* [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests
@ 2021-12-15 12:53 carsten.haitzler
2021-12-15 12:53 ` [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files carsten.haitzler
` (11 more replies)
0 siblings, 12 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:53 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
Perf test's shell runner will just run everything in the tests
directory (as long as it's not another directory or does not begin
with a dot), but sometimes you find files in there that are not shell
scripts - perf.data output for example if you do some testing and then
the next time you run perf test it tries to run these. Check the files
are executable so they are actually intended to be test scripts and
not just some "random junk" files there.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
tools/perf/tests/builtin-test.c | 2 +-
tools/perf/util/path.c | 12 ++++++++++++
tools/perf/util/path.h | 1 +
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index c4b888f18e9c..1a7e21e5acf1 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -512,7 +512,7 @@ static const char *shell_test__description(char *description, size_t size,
#define for_each_shell_test(dir, base, ent) \
while ((ent = readdir(dir)) != NULL) \
- if (!is_directory(base, ent) && ent->d_name[0] != '.')
+ if (!is_directory(base, ent) && is_executable_file(base, ent) && ent->d_name[0] != '.')
static const char *shell_tests__dir(char *path, size_t size)
{
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index caed0336429f..7dde8c230ae8 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -92,3 +92,15 @@ bool is_directory(const char *base_path, const struct dirent *dent)
return S_ISDIR(st.st_mode);
}
+
+bool is_executable_file(const char *base_path, const struct dirent *dent)
+{
+ char path[PATH_MAX];
+ struct stat st;
+
+ sprintf(path, "%s/%s", base_path, dent->d_name);
+ if (stat(path, &st))
+ return false;
+
+ return !S_ISDIR(st.st_mode) && (st.st_mode & S_IXUSR);
+}
diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
index 083429b7efa3..d94902c22222 100644
--- a/tools/perf/util/path.h
+++ b/tools/perf/util/path.h
@@ -12,5 +12,6 @@ int path__join3(char *bf, size_t size, const char *path1, const char *path2, con
bool is_regular_file(const char *file);
bool is_directory(const char *base_path, const struct dirent *dent);
+bool is_executable_file(const char *base_path, const struct dirent *dent);
#endif /* _PERF_PATH_H */
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
@ 2021-12-15 12:53 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 03/12] perf test: Use 3 digits for test numbering now we can have more tests carsten.haitzler
` (10 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:53 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
You edit your scripts in the tests and end up with your usual shell
backup files with ~ or .bak or something else at the end, but then your
next perf test run wants to run the backups too. You might also have perf
.data files in the directory or something else undesireable as well. You end
up chasing which test is the one you edited and the backup and have to keep
removing all the backup files, so automatically skip any files that are
not plain *.sh scripts to limit the time wasted in chasing ghosts.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
tools/perf/tests/builtin-test.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 1a7e21e5acf1..2f6a74d9f0bc 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -512,7 +512,22 @@ static const char *shell_test__description(char *description, size_t size,
#define for_each_shell_test(dir, base, ent) \
while ((ent = readdir(dir)) != NULL) \
- if (!is_directory(base, ent) && is_executable_file(base, ent) && ent->d_name[0] != '.')
+ if (!is_directory(base, ent) && \
+ is_executable_file(base, ent) && \
+ (ent->d_name[0] != '.') && \
+ (shell_file_is_sh(ent->d_name) == 0))
+
+static int shell_file_is_sh(const char *file)
+{
+ const char *ext;
+
+ ext = strchr(file, '.');
+ if (!ext)
+ return -1;
+ if (!strcmp(ext, ".sh"))
+ return 0;
+ return -1;
+}
static const char *shell_tests__dir(char *path, size_t size)
{
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 03/12] perf test: Use 3 digits for test numbering now we can have more tests
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
2021-12-15 12:53 ` [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 04/12] perf test: Add beginning of test infra + test to exercise coresight carsten.haitzler
` (9 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This is in preparation for adding more tests that will need the test
number to be 3 digts so they align nicely in the output.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
tools/perf/tests/builtin-test.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 2f6a74d9f0bc..9091f7c74f8e 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -634,7 +634,7 @@ static int run_shell_tests(int argc, const char *argv[], int i, int width)
continue;
st.file = ent->d_name;
- pr_info("%2d: %-*s:", i, width, test.desc);
+ pr_info("%3d: %-*s:", i, width, test.desc);
test_and_print(&test, false, -1);
}
@@ -679,11 +679,11 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
}
if (t->is_supported && !t->is_supported()) {
- pr_debug("%2d: %-*s: Disabled\n", i, width, t->desc);
+ pr_debug("%3d: %-*s: Disabled\n", i, width, t->desc);
continue;
}
- pr_info("%2d: %-*s:", i, width, t->desc);
+ pr_info("%3d: %-*s:", i, width, t->desc);
if (intlist__find(skiplist, i)) {
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
@@ -723,7 +723,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
if (!perf_test__matches(t->subtest.get_desc(subi), curr, argc, argv))
continue;
- pr_info("%2d.%1d: %-*s:", i, subi + 1, subw,
+ pr_info("%3d.%1d: %-*s:", i, subi + 1, subw,
t->subtest.get_desc(subi));
err = test_and_print(t, skip, subi);
if (err != TEST_OK && t->subtest.skip_if_fail)
@@ -759,7 +759,7 @@ static int perf_test__list_shell(int argc, const char **argv, int i)
if (!perf_test__matches(t.desc, curr, argc, argv))
continue;
- pr_info("%2d: %s\n", i, t.desc);
+ pr_info("%3d: %s\n", i, t.desc);
}
closedir(dir);
@@ -779,14 +779,14 @@ static int perf_test__list(int argc, const char **argv)
(t->is_supported && !t->is_supported()))
continue;
- pr_info("%2d: %s\n", i, t->desc);
+ pr_info("%3d: %s\n", i, t->desc);
if (t->subtest.get_nr) {
int subn = t->subtest.get_nr();
int subi;
for (subi = 0; subi < subn; subi++)
- pr_info("%2d:%1d: %s\n", i, subi + 1,
+ pr_info("%3d:%1d: %s\n", i, subi + 1,
t->subtest.get_desc(subi));
}
}
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 04/12] perf test: Add beginning of test infra + test to exercise coresight
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
2021-12-15 12:53 ` [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files carsten.haitzler
2021-12-15 12:54 ` [PATCH 03/12] perf test: Use 3 digits for test numbering now we can have more tests carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 05/12] perf test: Add coresight test to check all threads get some data logged carsten.haitzler
` (8 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds the initial test harness to run perf record and examine the
resuling output when coresight is enabled on arm64 and check the
resulting quality of the output as part of perf test.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
MAINTAINERS | 3 +
tools/perf/Makefile.perf | 14 +-
.../tests/shell/coresight_asm_pure_loop.sh | 18 +++
tools/perf/tests/shell/lib/coresight.sh | 130 ++++++++++++++++++
tools/perf/tests/shell/tools/Makefile | 26 ++++
.../perf/tests/shell/tools/coresight/Makefile | 27 ++++
.../shell/tools/coresight/Makefile.miniconfig | 23 ++++
.../tools/coresight/asm_pure_loop/Makefile | 30 ++++
.../coresight/asm_pure_loop/asm_pure_loop.S | 28 ++++
9 files changed, 297 insertions(+), 2 deletions(-)
create mode 100755 tools/perf/tests/shell/coresight_asm_pure_loop.sh
create mode 100644 tools/perf/tests/shell/lib/coresight.sh
create mode 100644 tools/perf/tests/shell/tools/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/Makefile.miniconfig
create mode 100644 tools/perf/tests/shell/tools/coresight/asm_pure_loop/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/asm_pure_loop/asm_pure_loop.S
diff --git a/MAINTAINERS b/MAINTAINERS
index 0510e4d03058..c2d7db515c70 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1793,6 +1793,9 @@ F: tools/perf/arch/arm/util/auxtrace.c
F: tools/perf/arch/arm/util/cs-etm.c
F: tools/perf/arch/arm/util/cs-etm.h
F: tools/perf/arch/arm/util/pmu.c
+F: tools/perf/tests/shell/coresight_*
+F: tools/perf/tests/shell/tools/Makefile
+F: tools/perf/tests/shell/tools/coresight/*
F: tools/perf/util/cs-etm-decoder/*
F: tools/perf/util/cs-etm.*
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index e47f04e5b51e..94b48393b438 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -620,7 +620,15 @@ sync_file_range_tbls := $(srctree)/tools/perf/trace/beauty/sync_file_range.sh
$(sync_file_range_arrays): $(linux_uapi_dir)/fs.h $(sync_file_range_tbls)
$(Q)$(SHELL) '$(sync_file_range_tbls)' $(linux_uapi_dir) > $@
-all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
+TESTS_TOOLS_DIR := $(srctree)/tools/perf/tests/shell/tools
+
+tests-tools-targets: FORCE
+ $(Q)$(MAKE) -C $(TESTS_TOOLS_DIR)
+
+tests-tools-targets-clean:
+ $(Q)$(MAKE) -C $(TESTS_TOOLS_DIR) clean
+
+all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) tests-tools-targets
# Create python binding output directory if not already present
_dummy := $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
@@ -994,6 +1002,7 @@ install-tests: all install-gtk
$(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
$(INSTALL) tests/shell/lib/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
+ $(Q)$(MAKE) -C tests/shell/tools install-tests
install-bin: install-tools install-tests install-traceevent-plugins
@@ -1048,7 +1057,7 @@ endif # BUILD_BPF_SKEL
bpf-skel-clean:
$(call QUIET_CLEAN, bpf-skel) $(RM) -r $(SKEL_TMP_OUT) $(SKELETONS)
-clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean fixdep-clean python-clean bpf-skel-clean
+clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean fixdep-clean python-clean bpf-skel-clean tests-tools-targets-clean
$(call QUIET_CLEAN, core-objs) $(RM) $(LIBPERF_A) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(OUTPUT)perf-iostat $(LANG_BINDINGS)
$(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
$(Q)$(RM) $(OUTPUT).config-detected
@@ -1115,5 +1124,6 @@ FORCE:
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
.PHONY: $(GIT-HEAD-PHONY) TAGS tags cscope FORCE prepare
.PHONY: libtraceevent_plugins archheaders
+.PHONY: $(TESTS_TOOLS_TARGETS)
endif # force_fixdep
diff --git a/tools/perf/tests/shell/coresight_asm_pure_loop.sh b/tools/perf/tests/shell/coresight_asm_pure_loop.sh
new file mode 100755
index 000000000000..542d4a37e349
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_asm_pure_loop.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / ASM Pure Loop
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="asm_pure_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS=""
+DATV="out"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 2601 334 334
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/lib/coresight.sh b/tools/perf/tests/shell/lib/coresight.sh
new file mode 100644
index 000000000000..cd6c1283e6f5
--- /dev/null
+++ b/tools/perf/tests/shell/lib/coresight.sh
@@ -0,0 +1,130 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+# This is sourced from a driver script so no need for #!/bin... etc. at the
+# top - the assumption below is that it runs as part of sourcing after the
+# test sets up some basic env vars to say what it is.
+
+# perf record options for the perf tests to use
+PERFRECMEM="-m ,128M"
+PERFRECOPT="$PERFRECMEM -e cs_etm//u"
+
+# These tests need to be run as root or coresight won't allow large buffers
+# and will not collect proper data
+UID=`id -u`
+if test "$UID" -ne 0; then
+ echo "Not running as root... skip"
+ exit 2
+fi
+
+TOOLS=$(dirname $0)/tools
+DIR="$TOOLS/coresight/$TEST"
+BIN="$DIR/$TEST"
+# If the test tool/binary does not exist and is executable then skip the test
+if ! test -x "$BIN"; then exit 2; fi
+DATD="."
+# If the data dir env is set then make the data dir use that instead of ./
+if test -n "$PERF_TEST_CORESIGHT_DATADIR"; then
+ DATD="$PERF_TEST_CORESIGHT_DATADIR";
+fi
+# If the stat dir env is set then make the data dir use that instead of ./
+STATD="."
+if test -n "$PERF_TEST_CORESIGHT_STATDIR"; then
+ STATD="$PERF_TEST_CORESIGHT_STATDIR";
+fi
+
+# Called if the test fails - error code 2
+err() {
+ echo "$1"
+ exit 1
+}
+
+# Check that some statistics from our perf
+check_val_min() {
+ STATF="$4"
+ if test "$2" -lt "$3"; then
+ echo ", FAILED" >> "$STATF"
+ err "Sanity check number of $1 is too low ($2 < $3)"
+ fi
+}
+
+perf_dump_aux_verify() {
+ # Some basic checking that the AUX chunk contains some sensible data
+ # to see that we are recording something and at least a minimum
+ # amount of it. We should almost always see F3 atoms in just about
+ # anything but certainly we will see some trace info and async atom
+ # chunks.
+ DUMP="$DATD/perf-tmp-aux-dump.txt"
+ perf report --stdio --dump -i "$1" | \
+ grep -o -e I_ATOM_F3 -e I_ASYNC -e I_TRACE_INFO > "$DUMP"
+ # Simply count how many of these atoms we find to see that we are
+ # producing a reasonable amount of data - exact checks are not sane
+ # as this is a lossy process where we may lose some blocks and the
+ # compiler may produce different code depending on the compiler and
+ # optimization options, so this is rough just to see if we're
+ # either missing almost all the data or all of it
+ ATOM_F3_NUM=`grep I_ATOM_F3 "$DUMP" | wc -l`
+ ATOM_ASYNC_NUM=`grep I_ASYNC "$DUMP" | wc -l`
+ ATOM_TRACE_INFO_NUM=`grep I_TRACE_INFO "$DUMP" | wc -l`
+ rm -f "$DUMP"
+
+ # Arguments provide minimums for a pass
+ CHECK_F3_MIN="$2"
+ CHECK_ASYNC_MIN="$3"
+ CHECK_TRACE_INFO_MIN="$4"
+
+ # Write out statistics, so over time you can track results to see if
+ # there is a pattern - for example we have less "noisy" results that
+ # produce more consistent amounts of data each run, to see if over
+ # time any techinques to minimize data loss are having an effect or
+ # not
+ STATF="$STATD/stats-$TEST-$DATV.csv"
+ if ! test -f "$STATF"; then
+ echo "ATOM F3 Count, Minimum, ATOM ASYNC Count, Minimum, TRACE INFO Count, Minimum" > "$STATF"
+ fi
+ echo -n "$ATOM_F3_NUM, $CHECK_F3_MIN, $ATOM_ASYNC_NUM, $CHECK_ASYNC_MIN, $ATOM_TRACE_INFO_NUM, $CHECK_TRACE_INFO_MIN" >> "$STATF"
+
+ # Actually check to see if we passed or failed.
+ check_val_min "ATOM_F3" "$ATOM_F3_NUM" "$CHECK_F3_MIN" "$STATF"
+ check_val_min "ASYNC" "$ATOM_ASYNC_NUM" "$CHECK_ASYNC_MIN" "$STATF"
+ check_val_min "TRACE_INFO" "$ATOM_TRACE_INFO_NUM" "$CHECK_TRACE_INFO_MIN" "$STATF"
+ echo ", Ok" >> "$STATF"
+}
+
+perf_dump_aux_tid_verify() {
+ # Specifically crafted test will produce a list of Tread ID's to
+ # stdout that need to be checked to see that they have had trace
+ # info collected in AUX blocks in the perf data. This will go
+ # through all the TID's that are listed as CID=0xabcdef and see
+ # that all the Thread IDs the test tool reports are in the perf
+ # data AUX chunks
+
+ # The TID test tools will print a TID per stdout line that are being
+ # tested
+ TIDS=`cat "$2"`
+ # Scan the perf report to find the TIDs that are actually CID in hex
+ # and build a list of the ones found
+ FOUND_TIDS=`perf report --stdio --dump -i "$1" | \
+ grep -o "CID=0x[0-9a-z]\+" | sed 's/CID=//g' | \
+ uniq | sort | uniq`
+
+ # Iterate over the list of TIDs that the test says it has and find
+ # them in the TIDs found in the perf report
+ MISSING=""
+ for TID2 in $TIDS; do
+ FOUND=""
+ for TIDHEX in $FOUND_TIDS; do
+ TID=`printf "%i" $TIDHEX`
+ if test "$TID" -eq "$TID2"; then
+ FOUND="y"
+ break
+ fi
+ done
+ if test -z "$FOUND"; then
+ MISSING="$MISSING $TID"
+ fi
+ done
+ if test -n "$MISSING"; then
+ err "Thread IDs $MISSING not found in perf AUX data"
+ fi
+}
diff --git a/tools/perf/tests/shell/tools/Makefile b/tools/perf/tests/shell/tools/Makefile
new file mode 100644
index 000000000000..c7ada20922fd
--- /dev/null
+++ b/tools/perf/tests/shell/tools/Makefile
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../../../../../tools/scripts/Makefile.include
+include ../../../../../tools/scripts/Makefile.arch
+include ../../../../../tools/scripts/utilities.mak
+
+SUBDIRS = \
+ coresight
+
+all: $(SUBDIRS)
+$(SUBDIRS):
+ $(Q)$(MAKE) -C $@
+
+INSTALLDIRS = $(SUBDIRS:%=install-%)
+
+install-tests: all $(INSTALLDIRS)
+$(INSTALLDIRS):
+ $(Q)$(MAKE) -C $(@:install-%=%) install-tests
+
+CLEANDIRS = $(SUBDIRS:%=clean-%)
+
+clean: $(CLEANDIRS)
+$(CLEANDIRS):
+ $(Q)$(MAKE) -C $(@:clean-%=%) O=$(OUTPUT) clean >/dev/null
+
+.PHONY: all clean install-tests $(SUBDIRS) $(CLEANDIRS) $(INSTALLDIRS)
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
new file mode 100644
index 000000000000..723006ea827c
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../../../../../../tools/scripts/Makefile.include
+include ../../../../../../tools/scripts/Makefile.arch
+include ../../../../../../tools/scripts/utilities.mak
+
+SUBDIRS = \
+ asm_pure_loop
+
+all: $(SUBDIRS)
+$(SUBDIRS):
+ $(Q)$(MAKE) -C $@
+
+INSTALLDIRS = $(SUBDIRS:%=install-%)
+
+install-tests: $(INSTALLDIRS)
+$(INSTALLDIRS):
+ $(Q)$(MAKE) -C $(@:install-%=%) install-tests
+
+CLEANDIRS = $(SUBDIRS:%=clean-%)
+
+clean: $(CLEANDIRS)
+$(CLEANDIRS):
+ $(Q)$(MAKE) -C $(@:clean-%=%) clean >/dev/null
+
+.PHONY: all clean $(SUBDIRS) $(CLEANDIRS) $(INSTALLDIRS)
+
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile.miniconfig b/tools/perf/tests/shell/tools/coresight/Makefile.miniconfig
new file mode 100644
index 000000000000..cedd26c6a0eb
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/Makefile.miniconfig
@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+ifndef DESTDIR
+prefix ?= $(HOME)
+endif
+
+DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
+perfexecdir = libexec/perf-core
+perfexec_instdir = $(perfexecdir)
+
+ifneq ($(filter /%,$(firstword $(perfexecdir))),)
+perfexec_instdir = $(perfexecdir)
+else
+perfexec_instdir = $(prefix)/$(perfexecdir)
+endif
+
+perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
+INSTALL = install
+
+include ../../../../../../scripts/Makefile.include
+include ../../../../../../scripts/Makefile.arch
+include ../../../../../../scripts/utilities.mak
diff --git a/tools/perf/tests/shell/tools/coresight/asm_pure_loop/Makefile b/tools/perf/tests/shell/tools/coresight/asm_pure_loop/Makefile
new file mode 100644
index 000000000000..10c5a60cb71c
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/asm_pure_loop/Makefile
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+include ../Makefile.miniconfig
+
+BIN=asm_pure_loop
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).S
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).S -nostdlib -static -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/asm_pure_loop/asm_pure_loop.S b/tools/perf/tests/shell/tools/coresight/asm_pure_loop/asm_pure_loop.S
new file mode 100644
index 000000000000..262876451021
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/asm_pure_loop/asm_pure_loop.S
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Tamas Zsoldos <tamas.zsoldos@arm.com>, 2021 */
+
+.globl _start
+_start:
+ mov x0, 0x000fffff
+ mov x1, xzr
+loop:
+ nop
+ nop
+ cbnz x1, noskip
+ nop
+ nop
+ adrp x2, skip
+ add x2, x2, :lo12:skip
+ br x2
+ nop
+ nop
+noskip:
+ nop
+ nop
+skip:
+ sub x0, x0, 1
+ cbnz x0, loop
+
+ mov x0, #0
+ mov x8, #93 // __NR_exit syscall
+ svc #0
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 05/12] perf test: Add coresight test to check all threads get some data logged
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (2 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 04/12] perf test: Add beginning of test infra + test to exercise coresight carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 06/12] perf test: Add tests to re-use the thread loop test to check aux data carsten.haitzler
` (7 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds a test and test scripts to check that all threads in the
target binary end up logging some kind of coresight aux data and that
they are not missing.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../coresight_thread_loop_check_tid_10.sh | 19 ++++
.../coresight_thread_loop_check_tid_2.sh | 19 ++++
.../coresight_thread_loop_check_tid_250.sh | 19 ++++
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../tools/coresight/thread_loop/Makefile | 29 +++++++
.../tools/coresight/thread_loop/thread_loop.c | 86 +++++++++++++++++++
6 files changed, 174 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_check_tid_10.sh
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_check_tid_2.sh
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_check_tid_250.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/thread_loop/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/thread_loop/thread_loop.c
diff --git a/tools/perf/tests/shell/coresight_thread_loop_check_tid_10.sh b/tools/perf/tests/shell/coresight_thread_loop_check_tid_10.sh
new file mode 100755
index 000000000000..283ad9facdee
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_check_tid_10.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 10 Threads - Check TID
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="10 2000"
+DATV="check-tid-10th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+STDO="$DATD/perf-$TEST-$DATV.stdout"
+
+SHOW_TID=1 perf record -s $PERFRECOPT -o "$DATA" "$BIN" $ARGS > $STDO
+
+perf_dump_aux_tid_verify "$DATA" "$STDO"
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_thread_loop_check_tid_2.sh b/tools/perf/tests/shell/coresight_thread_loop_check_tid_2.sh
new file mode 100755
index 000000000000..ce8ba534bba2
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_check_tid_2.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 2 Threads - Check TID
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="2 4000"
+DATV="check-tid-2th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+STDO="$DATD/perf-$TEST-$DATV.stdout"
+
+SHOW_TID=1 perf record -s $PERFRECOPT -o "$DATA" "$BIN" $ARGS > $STDO
+
+perf_dump_aux_tid_verify "$DATA" "$STDO"
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_thread_loop_check_tid_250.sh b/tools/perf/tests/shell/coresight_thread_loop_check_tid_250.sh
new file mode 100755
index 000000000000..cb14581c1e68
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_check_tid_250.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 250 Threads - Check TID
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="250 100"
+DATV="check-tid-250th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+STDO="$DATD/perf-$TEST-$DATV.stdout"
+
+SHOW_TID=1 perf record -s $PERFRECOPT -o "$DATA" "$BIN" $ARGS > $STDO
+
+perf_dump_aux_tid_verify "$DATA" "$STDO"
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 723006ea827c..1edab729db76 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -5,7 +5,8 @@ include ../../../../../../tools/scripts/Makefile.arch
include ../../../../../../tools/scripts/utilities.mak
SUBDIRS = \
- asm_pure_loop
+ asm_pure_loop \
+ thread_loop
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/thread_loop/Makefile b/tools/perf/tests/shell/tools/coresight/thread_loop/Makefile
new file mode 100644
index 000000000000..424df4e8b0e6
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/thread_loop/Makefile
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=thread_loop
+LIB=-pthread
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/thread_loop/thread_loop.c b/tools/perf/tests/shell/tools/coresight/thread_loop/thread_loop.c
new file mode 100644
index 000000000000..c0158fac7d0b
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/thread_loop/thread_loop.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+// Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+// define this for gettid()
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+#include <sys/syscall.h>
+#ifndef SYS_gettid
+// gettid is 178 on arm64
+# define SYS_gettid 178
+#endif
+#define gettid() syscall(SYS_gettid)
+
+struct args {
+ unsigned int loops;
+ pthread_t th;
+ void *ret;
+};
+
+static void *thrfn(void *arg)
+{
+ struct args *a = arg;
+ int i = 0, len = a->loops;
+
+ if (getenv("SHOW_TID")) {
+ unsigned long long tid = gettid();
+
+ printf("%llu\n", tid);
+ }
+ asm volatile(
+ "loop:\n"
+ "add %[i], %[i], #1\n"
+ "cmp %[i], %[len]\n"
+ "blt loop\n"
+ : /* out */
+ : /* in */ [i] "r" (i), [len] "r" (len)
+ : /* clobber */
+ );
+ return (void *)(long)i;
+}
+
+static pthread_t new_thr(void *(*fn) (void *arg), void *arg)
+{
+ pthread_t t;
+ pthread_attr_t attr;
+
+ pthread_attr_init(&attr);
+ pthread_create(&t, &attr, fn, arg);
+ return t;
+}
+
+int main(int argc, char **argv)
+{
+ unsigned int i, len, thr;
+ pthread_t threads[256];
+ struct args args[256];
+
+ if (argc < 3) {
+ printf("ERR: %s [numthreads] [numloops (millions)]\n", argv[0]);
+ exit(1);
+ }
+
+ thr = atoi(argv[1]);
+ if ((thr < 1) || (thr > 256)) {
+ printf("ERR: threads 1-256\n");
+ exit(1);
+ }
+ len = atoi(argv[2]);
+ if ((len < 1) || (len > 4000)) {
+ printf("ERR: max loops 4000 (millions)\n");
+ exit(1);
+ }
+ len *= 1000000;
+ for (i = 0; i < thr; i++) {
+ args[i].loops = len;
+ args[i].th = new_thr(thrfn, &(args[i]));
+ }
+ for (i = 0; i < thr; i++)
+ pthread_join(args[i].th, &(args[i].ret));
+ return 0;
+}
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 06/12] perf test: Add tests to re-use the thread loop test to check aux data
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (3 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 05/12] perf test: Add coresight test to check all threads get some data logged carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight " carsten.haitzler
` (6 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This checks to see that the thread_loop tests produces sensible
amounts of aux coresight data.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../tests/shell/coresight_thread_loop_2.sh | 18 ++++++++++++++++++
.../tests/shell/coresight_thread_loop_25.sh | 18 ++++++++++++++++++
.../tests/shell/coresight_thread_loop_250.sh | 18 ++++++++++++++++++
3 files changed, 54 insertions(+)
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_2.sh
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_25.sh
create mode 100755 tools/perf/tests/shell/coresight_thread_loop_250.sh
diff --git a/tools/perf/tests/shell/coresight_thread_loop_2.sh b/tools/perf/tests/shell/coresight_thread_loop_2.sh
new file mode 100755
index 000000000000..6d790b870a67
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_2.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 2 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="2 20"
+DATV="2th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 724 11 11
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_thread_loop_25.sh b/tools/perf/tests/shell/coresight_thread_loop_25.sh
new file mode 100755
index 000000000000..cce74202e4db
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_25.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 25 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="25 2"
+DATV="25th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 388121 1255 1255
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_thread_loop_250.sh b/tools/perf/tests/shell/coresight_thread_loop_250.sh
new file mode 100755
index 000000000000..55f271462a4d
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_thread_loop_250.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Thread Loop 250 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="thread_loop"
+. $(dirname $0)/lib/coresight.sh
+ARGS="250 1"
+DATV="250th"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 724 11 11
+
+err=$?
+exit $err
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (4 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 06/12] perf test: Add tests to re-use the thread loop test to check aux data carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 08/12] perf test: Add threaded bubblesort tests for coresight carsten.haitzler
` (5 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds a simple bubblesort test that sorts small and large data
sets to see if a sufficient mount of aux data is produced.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../shell/coresight_bubble_sort_random.sh | 20 +
.../shell/coresight_bubble_sort_small.sh | 20 +
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../tools/coresight/bubble_sort/Makefile | 31 +
.../tools/coresight/bubble_sort/bubble_sort.c | 89 +
.../coresight/bubble_sort/random_array.txt | 1855 +++++++++++++++++
.../coresight/bubble_sort/small_array.txt | 10 +
7 files changed, 2027 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_random.sh
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_small.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
new file mode 100755
index 000000000000..63567f8c4f8b
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Random Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/random_array.txt"
+DATV="random"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 4188 1630 1630
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
new file mode 100755
index 000000000000..ac86d9973fba
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Small Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/small_array.txt"
+DATV="small"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 66 6 6
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 1edab729db76..49fa80d28df4 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -6,7 +6,8 @@ include ../../../../../../tools/scripts/utilities.mak
SUBDIRS = \
asm_pure_loop \
- thread_loop
+ thread_loop \
+ bubble_sort
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
new file mode 100644
index 000000000000..6b82854f9f2b
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=bubble_sort
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
+ $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
+ $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
new file mode 100644
index 000000000000..07169e03a803
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+// Andrea Brunato <andrea.brunato@arm.com>, 2021
+// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+int count_lines(FILE *fp)
+{
+ int lines_n = 0;
+ char c;
+
+ for (c = getc(fp); !feof(fp); c = getc(fp)) {
+ if (c == '\n')
+ lines_n = lines_n + 1;
+ }
+ fseek(fp, 0, SEEK_SET);
+#ifdef DEBUG
+ printf("Number of lines: %d\n", lines_n);
+#endif
+ return lines_n;
+}
+
+#ifdef DEBUG
+void print_array(int *arr, int size)
+{
+ int i;
+
+ assert(arr != NULL);
+ for (i = 0; i < size; i++)
+ printf("%d\n", arr[i]);
+}
+#endif
+
+void bubble_sort(int *a, int n)
+{
+ int i, t, s = 1;
+
+ while (s) {
+ s = 0;
+ for (i = 1; i < n; i++) {
+ if (a[i] < a[i - 1]) {
+ t = a[i];
+ a[i] = a[i - 1];
+ a[i - 1] = t;
+ s = 1;
+ }
+ }
+ }
+}
+
+void init_array(int *arr, int size, FILE *fp)
+{
+ int i;
+
+ for (i = 0; i < size; i++)
+ fscanf(fp, "%d", &arr[i]);
+}
+
+int main(int argc, char **argv)
+{
+ int lines_n = 0, *arr = NULL;
+ FILE *fp;
+
+ assert((argc == 2) && "Please specify an input file\n");
+
+ fp = fopen(argv[1], "r");
+ assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
+
+ // Input file expected formar: one number per line
+ lines_n = count_lines(fp);
+
+ arr = malloc(sizeof(int) * lines_n);
+ init_array(arr, lines_n, fp);
+
+ bubble_sort(arr, lines_n);
+
+#ifdef DEBUG
+ print_array(arr, lines_n);
+#endif
+
+ free(arr);
+ fclose(fp);
+
+ return 0;
+}
+
+
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
new file mode 100644
index 000000000000..d041cfb7a649
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
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diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
new file mode 100644
index 000000000000..d351c8437d0a
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
@@ -0,0 +1,10 @@
+11637
+3799
+23116
+15091
+13022
+15840
+27029
+27563
+25641
+28703
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 08/12] perf test: Add threaded bubblesort tests for coresight
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (5 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight " carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 09/12] perf test: Add add memcpy test for coresight quality checking carsten.haitzler
` (4 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds threaded versions of the bubblesort test to check perf
produces sane/sufficient coresight aux data.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../coresight_bubble_sort_thread_random.sh | 20 +
.../coresight_bubble_sort_thread_small.sh | 20 +
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../coresight/bubble_sort_thread/Makefile | 31 +
.../bubble_sort_thread/bubble_sort_thread.c | 136 +
.../bubble_sort_thread/random_array.txt | 30000 ++++++++++++++++
.../bubble_sort_thread/small_array.txt | 10 +
7 files changed, 30219 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_thread_random.sh
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_thread_small.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort_thread/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort_thread/bubble_sort_thread.c
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort_thread/random_array.txt
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort_thread/small_array.txt
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_thread_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_thread_random.sh
new file mode 100755
index 000000000000..09f2e62aece1
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_thread_random.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Thread Random Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/random_array.txt"
+DATV="random"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 2 7392 7392
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_thread_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_thread_small.sh
new file mode 100755
index 000000000000..6d4f0413be94
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_thread_small.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Thread Small Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/small_array.txt"
+DATV="small"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 90 7 7
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 49fa80d28df4..a1a752f45c46 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -7,7 +7,8 @@ include ../../../../../../tools/scripts/utilities.mak
SUBDIRS = \
asm_pure_loop \
thread_loop \
- bubble_sort
+ bubble_sort \
+ bubble_sort_thread
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/Makefile
new file mode 100644
index 000000000000..a7468e201ca2
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=bubble_sort_thread
+LIB=-pthread
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
+ $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
+ $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/bubble_sort_thread.c b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/bubble_sort_thread.c
new file mode 100644
index 000000000000..094bd8a82378
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/bubble_sort_thread.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0
+// Andrea Brunato <andrea.brunato@arm.com>, 2021
+// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <string.h> // memcpy
+#define _GNU_SOURCE /* See feature_test_macros(7) */
+#include <unistd.h>
+#include <sys/syscall.h>
+#define gettid() syscall(SYS_gettid)
+
+typedef struct payload_t {
+ int *array;
+ int size;
+} payload_t;
+
+
+int count_lines(FILE *fp)
+{
+ int lines_n = 0;
+ char c;
+
+ for (c = getc(fp); !feof(fp); c = getc(fp)) {
+ if (c == '\n')
+ lines_n = lines_n + 1;
+ }
+ fseek(fp, 0, SEEK_SET);
+#ifdef DEBUG
+ printf("Number of lines: %d\n", lines_n);
+#endif
+ return lines_n;
+}
+
+#ifdef DEBUG
+void print_array(int *arr, int size)
+{
+ int i;
+
+ assert(arr != NULL);
+ for (i = 0; i < size; i++)
+ printf("%d\n", arr[i]);
+}
+#endif
+
+void *bubble_sort(void *payload)
+{
+ payload_t *p = payload;
+ int *a = p->array;
+ int n = p->size;
+ int i, t, s = 1;
+
+ printf("Sorting from thread %ld\n", gettid());
+ while (s) {
+ s = 0;
+ for (i = 1; i < n; i++) {
+ if (a[i] < a[i - 1]) {
+ t = a[i];
+ a[i] = a[i - 1];
+ a[i - 1] = t;
+ s = 1;
+ }
+ }
+ }
+ return NULL;
+}
+
+void init_array(int *arr, int size, FILE *fp)
+{
+ int i;
+
+ for (i = 0; i < size; i++)
+ fscanf(fp, "%d", &arr[i]);
+}
+
+int main(int argc, char **argv)
+{
+ int lines_n = 0, *arr = NULL, *arr2 = NULL;
+ pthread_t thread1, thread2;
+ FILE *fp;
+ payload_t *p1, *p2;
+
+ p1 = malloc(sizeof(payload_t));
+ p2 = malloc(sizeof(payload_t));
+ assert((p1 != NULL) && "Couldn't allocate payload\n");
+ assert((p2 != NULL) && "Couldn't allocate payload\n");
+
+ assert((argc == 2) && "Please specify an input file\n");
+
+ fp = fopen(argv[1], "r");
+ assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
+
+ // Input file expected formar: one number per line
+ lines_n = count_lines(fp);
+
+ // Allocate memory for the arrays
+ arr = malloc(sizeof(int) * lines_n);
+ arr2 = malloc(sizeof(int) * lines_n);
+ assert((arr2 != NULL) && "Couldn't allocate array\n");
+ assert((arr != NULL) && "Couldn't allocate array\n");
+
+ init_array(arr, lines_n, fp);
+ memcpy(arr2, arr, sizeof(int) * lines_n);
+
+ // Init the payload
+ p1->array = arr;
+ p1->size = lines_n;
+ p2->array = arr2;
+ p2->size = lines_n;
+
+ printf("Main thread tid is: %ld\n", gettid());
+
+ /* Create independent threads each of which will sort its own array */
+ pthread_create(&thread1, NULL, bubble_sort, p1);
+ pthread_create(&thread2, NULL, bubble_sort, p2);
+
+ // Let's wait for the threads to finish
+ pthread_join(thread1, NULL);
+ pthread_join(thread2, NULL);
+
+#ifdef DEBUG
+ print_array(p1->array, lines_n);
+ print_array(p2->array, lines_n);
+#endif
+
+ free(arr);
+ free(arr2);
+ free(p1);
+ free(p2);
+ fclose(fp);
+
+ return 0;
+}
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/random_array.txt
new file mode 100644
index 000000000000..682c82ffbe7f
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/random_array.txt
@@ -0,0 +1,30000 @@
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diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/small_array.txt
new file mode 100644
index 000000000000..d351c8437d0a
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort_thread/small_array.txt
@@ -0,0 +1,10 @@
+11637
+3799
+23116
+15091
+13022
+15840
+27029
+27563
+25641
+28703
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 09/12] perf test: Add add memcpy test for coresight quality checking
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (6 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 08/12] perf test: Add threaded bubblesort tests for coresight carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 10/12] perf test: Add threaded memcpy tests to check coresight aux data carsten.haitzler
` (3 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds memory bound tests for quality checking perf's aux data
recording.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
tools/perf/tests/shell/coresight_memcpy_1m.sh | 18 +++++++++
.../perf/tests/shell/coresight_memcpy_32m.sh | 18 +++++++++
.../perf/tests/shell/coresight_memcpy_64k.sh | 18 +++++++++
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../shell/tools/coresight/memcpy/Makefile | 29 ++++++++++++++
.../shell/tools/coresight/memcpy/memcpy.c | 40 +++++++++++++++++++
6 files changed, 125 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_memcpy_1m.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_32m.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_64k.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
diff --git a/tools/perf/tests/shell/coresight_memcpy_1m.sh b/tools/perf/tests/shell/coresight_memcpy_1m.sh
new file mode 100755
index 000000000000..fa1c28d73b66
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_1m.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 1M
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="1024 2"
+DATV="1m"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 39 766 766
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_32m.sh b/tools/perf/tests/shell/coresight_memcpy_32m.sh
new file mode 100755
index 000000000000..4ab5459e3824
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_32m.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 32M
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="32768 1"
+DATV="32m"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 39 7804 7804
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_64k.sh b/tools/perf/tests/shell/coresight_memcpy_64k.sh
new file mode 100755
index 000000000000..5b6ba2a6d394
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_64k.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 64K
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="64 40"
+DATV="64k"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 40 934 934
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index a1a752f45c46..99030c889b04 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -8,7 +8,8 @@ SUBDIRS = \
asm_pure_loop \
thread_loop \
bubble_sort \
- bubble_sort_thread
+ bubble_sort_thread \
+ memcpy
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy/Makefile b/tools/perf/tests/shell/tools/coresight/memcpy/Makefile
new file mode 100644
index 000000000000..7c31fe4ec399
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy/Makefile
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=memcpy
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c b/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
new file mode 100644
index 000000000000..1aa0617448ad
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+// Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+ unsigned long i, len, size;
+ unsigned char *src, *dst;
+ long long v;
+
+ if (argc < 3) {
+ printf("ERR: %s [copysize Kb] [numloops (hundreds)]\n", argv[0]);
+ exit(1);
+ }
+
+ v = atoll(argv[1]);
+ if ((v < 1) || (v > (1024 * 1024))) {
+ printf("ERR: max memory 1GB (1048576 KB)\n");
+ exit(1);
+ }
+ size = v;
+ v = atoll(argv[2]);
+ if ((v < 1) || (v > 40000000000ll)) {
+ printf("ERR: loops 1-40000000000 (hundreds)\n");
+ exit(1);
+ }
+ len = v * 100;
+ src = malloc(size * 1024);
+ dst = malloc(size * 1024);
+ if ((!src) || (!dst)) {
+ printf("ERR: Can't allocate memory\n");
+ exit(1);
+ }
+ for (i = 0; i < len; i++)
+ memcpy(dst, src, size * 1024);
+ return 0;
+}
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 10/12] perf test: Add threaded memcpy tests to check coresight aux data
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (7 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 09/12] perf test: Add add memcpy test for coresight quality checking carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 11/12] perf test: Add unrolled loop tests for " carsten.haitzler
` (2 subsequent siblings)
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds threaded memcpy test looking at coresight aux data quality.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../shell/coresight_memcpy_thread_1m_2.sh | 18 +++++
.../shell/coresight_memcpy_thread_1m_25.sh | 18 +++++
.../shell/coresight_memcpy_thread_32m_10.sh | 18 +++++
.../shell/coresight_memcpy_thread_32m_2.sh | 18 +++++
.../shell/coresight_memcpy_thread_64k_2.sh | 18 +++++
.../shell/coresight_memcpy_thread_64k_25.sh | 18 +++++
.../shell/coresight_memcpy_thread_64k_250.sh | 18 +++++
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../tools/coresight/memcpy_thread/Makefile | 29 +++++++
.../coresight/memcpy_thread/memcpy_thread.c | 79 +++++++++++++++++++
10 files changed, 236 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_1m_2.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_1m_25.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_32m_10.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_32m_2.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_64k_2.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_64k_25.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_thread_64k_250.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy_thread/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy_thread/memcpy_thread.c
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_1m_2.sh b/tools/perf/tests/shell/coresight_memcpy_thread_1m_2.sh
new file mode 100755
index 000000000000..32d5ee94343a
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_1m_2.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 1M 2 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="1024 2 400"
+DATV="1m_2"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 125 26 26
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_1m_25.sh b/tools/perf/tests/shell/coresight_memcpy_thread_1m_25.sh
new file mode 100755
index 000000000000..6510f8c7df99
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_1m_25.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 1M 25 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="1024 25 1"
+DATV="1m_25"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 1 44 43
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_32m_10.sh b/tools/perf/tests/shell/coresight_memcpy_thread_32m_10.sh
new file mode 100755
index 000000000000..3715ed4b612e
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_32m_10.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 32M 10 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="32768 10 1"
+DATV="32m_10"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 6 36 36
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_32m_2.sh b/tools/perf/tests/shell/coresight_memcpy_thread_32m_2.sh
new file mode 100755
index 000000000000..ad57bf4d9c0c
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_32m_2.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 32M 2 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="32768 2 1"
+DATV="32m_2"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 3 12 12
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_64k_2.sh b/tools/perf/tests/shell/coresight_memcpy_thread_64k_2.sh
new file mode 100755
index 000000000000..282cc8922641
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_64k_2.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 64k 2 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="64 2 100"
+DATV="64k_2"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 66 11 11
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_64k_25.sh b/tools/perf/tests/shell/coresight_memcpy_thread_64k_25.sh
new file mode 100755
index 000000000000..05bc6c23f4a1
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_64k_25.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 64k 25 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="64 25 2"
+DATV="64k_25"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 118 31 31
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_thread_64k_250.sh b/tools/perf/tests/shell/coresight_memcpy_thread_64k_250.sh
new file mode 100755
index 000000000000..aaf35e32f610
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_thread_64k_250.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 64k 250 Threads
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="memcpy_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="64 250 1"
+DATV="64k_250"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 340 1878 1878
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 99030c889b04..be671aac06b8 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -9,7 +9,8 @@ SUBDIRS = \
thread_loop \
bubble_sort \
bubble_sort_thread \
- memcpy
+ memcpy \
+ memcpy_thread
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy_thread/Makefile b/tools/perf/tests/shell/tools/coresight/memcpy_thread/Makefile
new file mode 100644
index 000000000000..e2604cfae74b
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy_thread/Makefile
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=memcpy_thread
+LIB=-pthread
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy_thread/memcpy_thread.c b/tools/perf/tests/shell/tools/coresight/memcpy_thread/memcpy_thread.c
new file mode 100644
index 000000000000..a7e169d1bf64
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy_thread/memcpy_thread.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0
+// Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+
+struct args {
+ unsigned long loops;
+ unsigned long size;
+ pthread_t th;
+ void *ret;
+};
+
+static void *thrfn(void *arg)
+{
+ struct args *a = arg;
+ unsigned long i, len = a->loops;
+ unsigned char *src, *dst;
+
+ src = malloc(a->size * 1024);
+ dst = malloc(a->size * 1024);
+ if ((!src) || (!dst)) {
+ printf("ERR: Can't allocate memory\n");
+ exit(1);
+ }
+ for (i = 0; i < len; i++)
+ memcpy(dst, src, a->size * 1024);
+}
+
+static pthread_t new_thr(void *(*fn) (void *arg), void *arg)
+{
+ pthread_t t;
+ pthread_attr_t attr;
+
+ pthread_attr_init(&attr);
+ pthread_create(&t, &attr, fn, arg);
+ return t;
+}
+
+int main(int argc, char **argv)
+{
+ unsigned long i, len, size, thr;
+ pthread_t threads[256];
+ struct args args[256];
+ long long v;
+
+ if (argc < 4) {
+ printf("ERR: %s [copysize Kb] [numthreads] [numloops (hundreds)]\n", argv[0]);
+ exit(1);
+ }
+
+ v = atoll(argv[1]);
+ if ((v < 1) || (v > (1024 * 1024))) {
+ printf("ERR: max memory 1GB (1048576 KB)\n");
+ exit(1);
+ }
+ size = v;
+ thr = atol(argv[2]);
+ if ((thr < 1) || (thr > 256)) {
+ printf("ERR: threads 1-256\n");
+ exit(1);
+ }
+ v = atoll(argv[3]);
+ if ((v < 1) || (v > 40000000000ll)) {
+ printf("ERR: loops 1-40000000000 (hundreds)\n");
+ exit(1);
+ }
+ len = v * 100;
+ for (i = 0; i < thr; i++) {
+ args[i].loops = len;
+ args[i].size = size;
+ args[i].th = new_thr(thrfn, &(args[i]));
+ }
+ for (i = 0; i < thr; i++)
+ pthread_join(args[i].th, &(args[i].ret));
+ return 0;
+}
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 11/12] perf test: Add unrolled loop tests for coresight aux data
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (8 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 10/12] perf test: Add threaded memcpy tests to check coresight aux data carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 12:54 ` [PATCH 12/12] perf test: Add docs for coresight and related tests carsten.haitzler
2021-12-15 13:27 ` [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests James Clark
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
These tests have large batches of code manually unrolled with macros
to ensure that the processor has to walk through a lot of instructions
and memory for those instructions to generate the coresight aux data.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../shell/coresight_unroll_loop_thread_1.sh | 18 +++++
.../shell/coresight_unroll_loop_thread_10.sh | 18 +++++
.../shell/coresight_unroll_loop_thread_2.sh | 18 +++++
.../shell/coresight_unroll_loop_thread_25.sh | 18 +++++
.../shell/coresight_unroll_loop_thread_250.sh | 18 +++++
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../coresight/unroll_loop_thread/Makefile | 29 ++++++++
.../unroll_loop_thread/unroll_loop_thread.c | 74 +++++++++++++++++++
8 files changed, 195 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_unroll_loop_thread_1.sh
create mode 100755 tools/perf/tests/shell/coresight_unroll_loop_thread_10.sh
create mode 100755 tools/perf/tests/shell/coresight_unroll_loop_thread_2.sh
create mode 100755 tools/perf/tests/shell/coresight_unroll_loop_thread_25.sh
create mode 100755 tools/perf/tests/shell/coresight_unroll_loop_thread_250.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/unroll_loop_thread/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/unroll_loop_thread/unroll_loop_thread.c
diff --git a/tools/perf/tests/shell/coresight_unroll_loop_thread_1.sh b/tools/perf/tests/shell/coresight_unroll_loop_thread_1.sh
new file mode 100755
index 000000000000..9175ec532bd8
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_unroll_loop_thread_1.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Unroll Loop Thread 1
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="1"
+DATV="1"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 118 14 14
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_unroll_loop_thread_10.sh b/tools/perf/tests/shell/coresight_unroll_loop_thread_10.sh
new file mode 100755
index 000000000000..66cf0245294e
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_unroll_loop_thread_10.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Unroll Loop Thread 10
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="10"
+DATV="10"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 127 17 17
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_unroll_loop_thread_2.sh b/tools/perf/tests/shell/coresight_unroll_loop_thread_2.sh
new file mode 100755
index 000000000000..ff2e293699b0
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_unroll_loop_thread_2.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Unroll Loop Thread 2
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="2"
+DATV="2"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 65 6 6
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_unroll_loop_thread_25.sh b/tools/perf/tests/shell/coresight_unroll_loop_thread_25.sh
new file mode 100755
index 000000000000..7d7669a797ab
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_unroll_loop_thread_25.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Unroll Loop Thread 25
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="25"
+DATV="25"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 72 26 25
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_unroll_loop_thread_250.sh b/tools/perf/tests/shell/coresight_unroll_loop_thread_250.sh
new file mode 100755
index 000000000000..7a0e23aff0dc
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_unroll_loop_thread_250.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Unroll Loop Thread 250
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="unroll_loop_thread"
+. $(dirname $0)/lib/coresight.sh
+ARGS="250"
+DATV="250"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 544 2417 2417
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index be671aac06b8..b9cdeff1149b 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -10,7 +10,8 @@ SUBDIRS = \
bubble_sort \
bubble_sort_thread \
memcpy \
- memcpy_thread
+ memcpy_thread \
+ unroll_loop_thread
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/Makefile b/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/Makefile
new file mode 100644
index 000000000000..45ab2be8be92
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/Makefile
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=unroll_loop_thread
+LIB=-pthread
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/unroll_loop_thread.c b/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/unroll_loop_thread.c
new file mode 100644
index 000000000000..cb9d22c7dfb9
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/unroll_loop_thread/unroll_loop_thread.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+// Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <pthread.h>
+
+struct args {
+ pthread_t th;
+ unsigned int in, out;
+ void *ret;
+};
+
+static void *thrfn(void *arg)
+{
+ struct args *a = arg;
+ unsigned int i, in = a->in;
+
+ for (i = 0; i < 10000; i++) {
+ asm volatile (
+// force an unroll of thia add instruction so we can test long runs of code
+#define SNIP1 "add %[in], %[in], #1\n"
+// 10
+#define SNIP2 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1
+// 100
+#define SNIP3 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2 SNIP2
+// 1000
+#define SNIP4 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3 SNIP3
+// 10000
+#define SNIP5 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4 SNIP4
+// 100000
+ SNIP5 SNIP5 SNIP5 SNIP5 SNIP5 SNIP5 SNIP5 SNIP5 SNIP5 SNIP5
+ : /* out */
+ : /* in */ [in] "r" (in)
+ : /* clobber */
+ );
+ }
+}
+
+static pthread_t new_thr(void *(*fn) (void *arg), void *arg)
+{
+ pthread_t t;
+ pthread_attr_t attr;
+
+ pthread_attr_init(&attr);
+ pthread_create(&t, &attr, fn, arg);
+ return t;
+}
+
+int main(int argc, char **argv)
+{
+ unsigned int i, thr;
+ pthread_t threads[256];
+ struct args args[256];
+
+ if (argc < 2) {
+ printf("ERR: %s [numthreads]\n", argv[0]);
+ exit(1);
+ }
+
+ thr = atoi(argv[1]);
+ if ((thr > 256) || (thr < 1)) {
+ printf("ERR: threads 1-256\n");
+ exit(1);
+ }
+ for (i = 0; i < thr; i++) {
+ args[i].in = rand();
+ args[i].th = new_thr(thrfn, &(args[i]));
+ }
+ for (i = 0; i < thr; i++)
+ pthread_join(args[i].th, &(args[i].ret));
+ return 0;
+}
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 12/12] perf test: Add docs for coresight and related tests
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (9 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 11/12] perf test: Add unrolled loop tests for " carsten.haitzler
@ 2021-12-15 12:54 ` carsten.haitzler
2021-12-15 13:27 ` [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests James Clark
11 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 12:54 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds documentation about the coresight specific tests as part of
perf test
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
MAINTAINERS | 1 +
tools/perf/Documentation/arm-coresight.txt | 140 +++++++++++++++++++++
2 files changed, 141 insertions(+)
create mode 100644 tools/perf/Documentation/arm-coresight.txt
diff --git a/MAINTAINERS b/MAINTAINERS
index c2d7db515c70..a6e31d32f1ae 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1789,6 +1789,7 @@ F: Documentation/trace/coresight/*
F: drivers/hwtracing/coresight/*
F: include/dt-bindings/arm/coresight-cti-dt.h
F: include/linux/coresight*
+F: tools/perf/Documentation/arm-coresight.txt
F: tools/perf/arch/arm/util/auxtrace.c
F: tools/perf/arch/arm/util/cs-etm.c
F: tools/perf/arch/arm/util/cs-etm.h
diff --git a/tools/perf/Documentation/arm-coresight.txt b/tools/perf/Documentation/arm-coresight.txt
new file mode 100644
index 000000000000..3a9e6c573c58
--- /dev/null
+++ b/tools/perf/Documentation/arm-coresight.txt
@@ -0,0 +1,140 @@
+Arm Coresight Support
+=====================
+
+Coresight is a feature of some Arm based processors that allows for
+debugging. One of the things it can do is trace every instruction
+executed and remotely expose that information in a hardware compressed
+stream. Perf is able to locally access that stream and store it to the
+output perf data files. This stream can then be later decoded to give the
+instructions that were traced for debugging or profiling purposes. You
+can log such data with a perf record command like:
+
+ perf record -e cs_etm//u testbinary
+
+This would run some test binary (testbinary) until it exits and record
+a perf.data trace file. That file would have AUX sections if coresight
+is working correctly. You can dump the content of this file as
+readable text with a command like:
+
+ perf report --stdio --dump -i perf.data
+
+You should find some sections of this file have AUX data blocks like:
+
+ 0x1e78 [0x30]: PERF_RECORD_AUXTRACE size: 0x11dd0 offset: 0 ref: 0x1b614fc1061b0ad1 idx: 0 tid: 531230 cpu: -1
+
+ . ... CoreSight ETM Trace data: size 73168 bytes
+ Idx:0; ID:10; I_ASYNC : Alignment Synchronisation.
+ Idx:12; ID:10; I_TRACE_INFO : Trace Info.; INFO=0x0 { CC.0 }
+ Idx:17; ID:10; I_ADDR_L_64IS0 : Address, Long, 64 bit, IS0.; Addr=0x0000000000000000;
+ Idx:26; ID:10; I_TRACE_ON : Trace On.
+ Idx:27; ID:10; I_ADDR_CTXT_L_64IS0 : Address & Context, Long, 64 bit, IS0.; Addr=0x0000FFFFB6069140; Ctxt: AArch64,EL0, NS;
+ Idx:38; ID:10; I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
+ Idx:39; ID:10; I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
+ Idx:40; ID:10; I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEEEEEEEEEEEEEE
+ Idx:41; ID:10; I_ATOM_F6 : Atom format 6.; EEEEEEEEEEEN
+ ...
+
+If you see these above, then your system is tracing coresight data
+correctly.
+
+To compile perf with coresight support in the perf directory do
+
+ make CORESIGHT=1
+
+This will compile the perf tool with coresight support as well as
+build some small test binaries for perf test. This requires you also
+be compiling for 64bit Arm (ARM64/aarch64). The tools run as part of
+perf coresight tracing are in tests/shell/tools/coresight.
+
+You will also want coresight support enabled in your kernel config.
+Ensure it is enabled with:
+
+ CONFIG_CORESIGHT=y
+
+There are various other coresight options you probably also want
+enabled like:
+
+ CONFIG_CORESIGHT_LINKS_AND_SINKS=y
+ CONFIG_CORESIGHT_LINK_AND_SINK_TMC=y
+ CONFIG_CORESIGHT_CATU=y
+ CONFIG_CORESIGHT_SINK_TPIU=y
+ CONFIG_CORESIGHT_SINK_ETBV10=y
+ CONFIG_CORESIGHT_SOURCE_ETM4X=y
+ CONFIG_CORESIGHT_STM=y
+ CONFIG_CORESIGHT_CPU_DEBUG=y
+ CONFIG_CORESIGHT_CTI=y
+ CONFIG_CORESIGHT_CTI_INTEGRATION_REGS=y
+
+Please refer to the kernel configuration help for more information.
+
+Perf test - Verify kernel and userspace perf coresight work
+===========================================================
+
+When you run perf test, it will do a lot of self tests. Some of those
+tests will cover Coresight (only if enabled and on ARM64). You
+generally would run perf test from the tools/perf directory in the
+kernel tree. Some tests will check some internal perf support like:
+
+ Check Arm CoreSight trace data recording and synthesized samples
+
+Some others will actually use perf record and some test binaries that
+are in tests/shell/tools/coresight and will collect traces to ensure a
+minimum level of functionality is met. The scripts that launch these
+tests are in tests/shell. These will all look like:
+
+ Coresight / Memcpy 1M 25 Threads
+ Coresight / Unroll Loop Thread 2
+ ...
+
+These perf record tests will not run if the tool binaries do not exist
+in tests/shell/tools/coresight/*/ and will be skipped. If you do not
+have coresight support in hardware then either do not build perf with
+coresight support or remove these binaries in order to not have these
+tests fail and have them skip instead.
+
+These tests will log historical results in the current working
+directory (e.g. tools/perf) and will be named stats-*.csv like:
+
+ stats-asm_pure_loop-out.csv
+ stats-bubble_sort-random.csv
+ ...
+
+These statistic files log some aspects of the AUX data sections in
+the perf data output counting some numbers of certain encodings (a
+good way to know that it's working in a very simple way). One problem
+with coresight is that given a large enough amount of data needing to
+be logged, some of it can be lost due to the processor not waking up
+in time to read out all the data from buffers etc.. You will notice
+that the amount of data collected can vary a lot per run of perf test.
+If you wish to see how this changes over time, simply run perf test
+multiple times and all these csv files will have more and more data
+appended to it that you can later examine, graph and otherwise use to
+figure out if things have become worse or better.
+
+Be aware that amny of these tests take quite a while to run, specifically
+in processing the perf data file and dumping contents to then examine what
+is inside.
+
+You can change where these csv logs are stored by setting the
+PERF_TEST_CORESIGHT_STATDIR environment variable before running perf
+test like:
+
+ export PERF_TEST_CORESIGHT_STATDIR=/var/tmp
+ perf test
+
+They will also store resulting perf output data in the current
+directory for later inspection like:
+
+ perf-memcpy-1m.data
+ perf-thread_loop-2th.data
+ ...
+
+You can alter where the perf data files are stored by setting the
+PERF_TEST_CORESIGHT_DATADIR environment variable such as:
+
+ PERF_TEST_CORESIGHT_DATADIR=/var/tmp
+ perf test
+
+You may wish to set these above environment variables if you which to
+keep the output of tests outside of the current working directory for
+longer term storage and examination.
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* Re: [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
` (10 preceding siblings ...)
2021-12-15 12:54 ` [PATCH 12/12] perf test: Add docs for coresight and related tests carsten.haitzler
@ 2021-12-15 13:27 ` James Clark
2021-12-15 16:00 ` Carsten Haitzler
11 siblings, 1 reply; 19+ messages in thread
From: James Clark @ 2021-12-15 13:27 UTC (permalink / raw)
To: carsten.haitzler; +Cc: coresight, mike.leach, linux-kernel
On 15/12/2021 12:53, carsten.haitzler@foss.arm.com wrote:
> From: Carsten Haitzler <carsten.haitzler@arm.com>
>
> Perf test's shell runner will just run everything in the tests
> directory (as long as it's not another directory or does not begin
> with a dot), but sometimes you find files in there that are not shell
> scripts - perf.data output for example if you do some testing and then
> the next time you run perf test it tries to run these. Check the files
> are executable so they are actually intended to be test scripts and
> not just some "random junk" files there.
>
Hi Carsten,
Because these apply to tools/perf files rather than the coresight drivers
they will need to apply to Arnaldo's perf/core branch. At the moment I'm
getting merge conflicts so I can't test and review them.
I also think you would have to do to: linux-perf-users@vger.kernel.org and acme@kernel.org
James
> Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
> ---
> tools/perf/tests/builtin-test.c | 2 +-
> tools/perf/util/path.c | 12 ++++++++++++
> tools/perf/util/path.h | 1 +
> 3 files changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> index c4b888f18e9c..1a7e21e5acf1 100644
> --- a/tools/perf/tests/builtin-test.c
> +++ b/tools/perf/tests/builtin-test.c
> @@ -512,7 +512,7 @@ static const char *shell_test__description(char *description, size_t size,
>
> #define for_each_shell_test(dir, base, ent) \
> while ((ent = readdir(dir)) != NULL) \
> - if (!is_directory(base, ent) && ent->d_name[0] != '.')
> + if (!is_directory(base, ent) && is_executable_file(base, ent) && ent->d_name[0] != '.')
>
> static const char *shell_tests__dir(char *path, size_t size)
> {
> diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
> index caed0336429f..7dde8c230ae8 100644
> --- a/tools/perf/util/path.c
> +++ b/tools/perf/util/path.c
> @@ -92,3 +92,15 @@ bool is_directory(const char *base_path, const struct dirent *dent)
>
> return S_ISDIR(st.st_mode);
> }
> +
> +bool is_executable_file(const char *base_path, const struct dirent *dent)
> +{
> + char path[PATH_MAX];
> + struct stat st;
> +
> + sprintf(path, "%s/%s", base_path, dent->d_name);
> + if (stat(path, &st))
> + return false;
> +
> + return !S_ISDIR(st.st_mode) && (st.st_mode & S_IXUSR);
> +}
> diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
> index 083429b7efa3..d94902c22222 100644
> --- a/tools/perf/util/path.h
> +++ b/tools/perf/util/path.h
> @@ -12,5 +12,6 @@ int path__join3(char *bf, size_t size, const char *path1, const char *path2, con
>
> bool is_regular_file(const char *file);
> bool is_directory(const char *base_path, const struct dirent *dent);
> +bool is_executable_file(const char *base_path, const struct dirent *dent);
>
> #endif /* _PERF_PATH_H */
>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests
2021-12-15 13:27 ` [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests James Clark
@ 2021-12-15 16:00 ` Carsten Haitzler
0 siblings, 0 replies; 19+ messages in thread
From: Carsten Haitzler @ 2021-12-15 16:00 UTC (permalink / raw)
To: James Clark; +Cc: coresight, mike.leach, linux-kernel
On 12/15/21 13:27, James Clark wrote:
>
>
> On 15/12/2021 12:53, carsten.haitzler@foss.arm.com wrote:
>> From: Carsten Haitzler <carsten.haitzler@arm.com>
>>
>> Perf test's shell runner will just run everything in the tests
>> directory (as long as it's not another directory or does not begin
>> with a dot), but sometimes you find files in there that are not shell
>> scripts - perf.data output for example if you do some testing and then
>> the next time you run perf test it tries to run these. Check the files
>> are executable so they are actually intended to be test scripts and
>> not just some "random junk" files there.
>>
>
> Hi Carsten,
>
> Because these apply to tools/perf files rather than the coresight drivers
> they will need to apply to Arnaldo's perf/core branch. At the moment I'm
> getting merge conflicts so I can't test and review them.
>
> I also think you would have to do to: linux-perf-users@vger.kernel.org and acme@kernel.org
I will send updated versions of the series and include the above -
though perf-users does describe itself for users and not development,
thus I skipped it. I should get the full list then of everyone
> James
>
>> Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
>> ---
>> tools/perf/tests/builtin-test.c | 2 +-
>> tools/perf/util/path.c | 12 ++++++++++++
>> tools/perf/util/path.h | 1 +
>> 3 files changed, 14 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
>> index c4b888f18e9c..1a7e21e5acf1 100644
>> --- a/tools/perf/tests/builtin-test.c
>> +++ b/tools/perf/tests/builtin-test.c
>> @@ -512,7 +512,7 @@ static const char *shell_test__description(char *description, size_t size,
>>
>> #define for_each_shell_test(dir, base, ent) \
>> while ((ent = readdir(dir)) != NULL) \
>> - if (!is_directory(base, ent) && ent->d_name[0] != '.')
>> + if (!is_directory(base, ent) && is_executable_file(base, ent) && ent->d_name[0] != '.')
>>
>> static const char *shell_tests__dir(char *path, size_t size)
>> {
>> diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
>> index caed0336429f..7dde8c230ae8 100644
>> --- a/tools/perf/util/path.c
>> +++ b/tools/perf/util/path.c
>> @@ -92,3 +92,15 @@ bool is_directory(const char *base_path, const struct dirent *dent)
>>
>> return S_ISDIR(st.st_mode);
>> }
>> +
>> +bool is_executable_file(const char *base_path, const struct dirent *dent)
>> +{
>> + char path[PATH_MAX];
>> + struct stat st;
>> +
>> + sprintf(path, "%s/%s", base_path, dent->d_name);
>> + if (stat(path, &st))
>> + return false;
>> +
>> + return !S_ISDIR(st.st_mode) && (st.st_mode & S_IXUSR);
>> +}
>> diff --git a/tools/perf/util/path.h b/tools/perf/util/path.h
>> index 083429b7efa3..d94902c22222 100644
>> --- a/tools/perf/util/path.h
>> +++ b/tools/perf/util/path.h
>> @@ -12,5 +12,6 @@ int path__join3(char *bf, size_t size, const char *path1, const char *path2, con
>>
>> bool is_regular_file(const char *file);
>> bool is_directory(const char *base_path, const struct dirent *dent);
>> +bool is_executable_file(const char *base_path, const struct dirent *dent);
>>
>> #endif /* _PERF_PATH_H */
>>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2022-01-04 15:13 ` Carsten Haitzler
@ 2022-01-12 9:54 ` Leo Yan
0 siblings, 0 replies; 19+ messages in thread
From: Leo Yan @ 2022-01-12 9:54 UTC (permalink / raw)
To: Carsten Haitzler
Cc: linux-kernel, coresight, suzuki.poulose, mathieu.poirier,
mike.leach, inux-perf-users, acme
Hi Carsten,
On Tue, Jan 04, 2022 at 03:13:08PM +0000, Carsten Haitzler wrote:
> On 1/3/22 08:00, Leo Yan wrote:
[...]
> > Furthermore, I expect the bubble sort is to be used for testing the
> > CoreSight configuration, e.g. it can be used to test for the strobing
> > mode (and for validation AutoFDO).
> >
> > How about you think for this?
>
> I actually didn't include any autofdo testing as this was mostly a matter of
> tooling after you have collected a trace. Run through the trace data and
> then build up a good image of the execution of the target and that would
> probably belong in tooling outside of the kernel. The idea here was to see
> if we do collect sufficient amounts of data and that the data looks "sane".
Yeah, this is consistent with what Suzuki told me that the main target
of this patch set is to verify the CoreSight trace data quality.
> This is all about looking to see if we only get a single block or only 2 or
> 3 blocks then it stops or no blocks and then with various stresses on kernel
> (memory heavy, cpu heavy) to see if anything will greatly affect this.
>
> The bubble sort does allow a basis to build some fdo tests on, but having a
> baseline of "does it collect data at all" to start with is a good call. I
> had not tested the strobing yet as that was probably another phase in this.
> Most of this was about getting the core infrastructure in to be able to add
> lots of little test tools we can run and the harnesses to run them and
> collect statistical data over time.
>
> Just a side note - the asm loop is arm64 specific and thus it's good for
> testing an exact result from, but bubble sort is portable. It would allow us
> to use this for an Arm 64 platform like the Morello board. I've been
> keeping in mind "be somewhat portable" for this reason.
>
> The only downside of keeping this test I think is that the whole test suite
> takes a bit longer to run. Is this sufficient a concern to remove this test
> from the patchset given the above?
So my essential purpose is to condense test cases as possible :)
For example, although the Arm64 asm loop case and the bubble sort case
have different execution flows, both of them actually are to verify
verify a complete process with CoreSight trace data recording and
reporting (so covers CoreSight driver, perf tool and OpenCSD lib).
Since we can pass different loop number to a test program, e.g. we
already have one case to test very small trace data with Arm64 asm
loop, why we still need the test case of bubble soring with small
array? Seems to me that more cases are not bad thing, but if both
case work on the same integration flow, I personally think these two
cases cannot give us significant benefit rather than single case.
Throughout the whole patch set, my another concern is some test cases
are platform dependent. E.g. if mainline kernel contains these test
cases and later a developer reports a test case failure, it's difficult
for us to figure out whether the failure is caused by the platform
factors (e.g. memory usage, timeout, etc), or it's a good exposing for
any issue in software components.
So for a test case requiring very small resources, we can set a strict
criteria, for a test case with big chunk trace data, we can report a
percentage value as the profiling quality metrics (e.g. we expect 1000
branch samples, but the result only contains 100 branch samples, so we
can output the quality metrics as 100 / 1000 = 10%). This can allow us
to easily conclude that the underlying mechanism works well, but the
profiling quality is bad caused by losing tracing data. In other
word, we can convert the quality result from binary format to a
range value [0% .. 100%].
Thanks,
Leo
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2022-01-03 8:00 ` Leo Yan
@ 2022-01-04 15:13 ` Carsten Haitzler
2022-01-12 9:54 ` Leo Yan
0 siblings, 1 reply; 19+ messages in thread
From: Carsten Haitzler @ 2022-01-04 15:13 UTC (permalink / raw)
To: Leo Yan
Cc: linux-kernel, coresight, suzuki.poulose, mathieu.poirier,
mike.leach, inux-perf-users, acme
On 1/3/22 08:00, Leo Yan wrote:
> On Wed, Dec 15, 2021 at 04:03:58PM +0000, carsten.haitzler@foss.arm.com wrote:
>> From: Carsten Haitzler <carsten.haitzler@arm.com>
>>
>> This adds a simple bubblesort test that sorts small and large data
>> sets to see if a sufficient mount of aux data is produced.
>
> When review this patch set, I try to classify the testing cases into
> below three types, and I hope a testing is designed to verify a specific
> CoreSight feature and can fall into one of these three types:
>
> - For the waypoint testing, e.g. the test case is used to test different
> branch instructions (direct or indirect branch, exception, etc);
> - The config testing, we can rely on CoreSight configFS to configure
> the specific CoreSight working mode, e.g. using strobing mode for
> audoFDO [1];
> - Verify if CoreSight driver works correctly with perf event
> framework, I think essentially the test case [2] is used for this
> purpose.
>
> I know the bubble sort testing can give us more confidence to validate
> the CoreSight tracing data for a complex sort algorithm, on the other
> hand, bubble sort testing is essentially to test the way points.
>
> For this reason, I think the case asm_pure_loop.S has covered the
> testing for branch instructions, and if we want to cover more complete
> waypoint testing, you could consider to extend asm_pure_loop.S file.
>
> Furthermore, I expect the bubble sort is to be used for testing the
> CoreSight configuration, e.g. it can be used to test for the strobing
> mode (and for validation AutoFDO).
>
> How about you think for this?
I actually didn't include any autofdo testing as this was mostly a
matter of tooling after you have collected a trace. Run through the
trace data and then build up a good image of the execution of the target
and that would probably belong in tooling outside of the kernel. The
idea here was to see if we do collect sufficient amounts of data and
that the data looks "sane". This is all about looking to see if we only
get a single block or only 2 or 3 blocks then it stops or no blocks and
then with various stresses on kernel (memory heavy, cpu heavy) to see if
anything will greatly affect this.
The bubble sort does allow a basis to build some fdo tests on, but
having a baseline of "does it collect data at all" to start with is a
good call. I had not tested the strobing yet as that was probably
another phase in this. Most of this was about getting the core
infrastructure in to be able to add lots of little test tools we can run
and the harnesses to run them and collect statistical data over time.
Just a side note - the asm loop is arm64 specific and thus it's good for
testing an exact result from, but bubble sort is portable. It would
allow us to use this for an Arm 64 platform like the Morello board.
I've been keeping in mind "be somewhat portable" for this reason.
The only downside of keeping this test I think is that the whole test
suite takes a bit longer to run. Is this sufficient a concern to remove
this test from the patchset given the above?
> Thanks,
> Leo
>
> [1] https://www.kernel.org/doc/html/latest/trace/coresight/coresight-config.html#coresight-system-configuration-manager
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/tests/shell/test_arm_coresight.sh
>
>> Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
>> ---
>> .../shell/coresight_bubble_sort_random.sh | 20 +
>> .../shell/coresight_bubble_sort_small.sh | 20 +
>> .../perf/tests/shell/tools/coresight/Makefile | 3 +-
>> .../tools/coresight/bubble_sort/Makefile | 31 +
>> .../tools/coresight/bubble_sort/bubble_sort.c | 89 +
>> .../coresight/bubble_sort/random_array.txt | 1855 +++++++++++++++++
>> .../coresight/bubble_sort/small_array.txt | 10 +
>> 7 files changed, 2027 insertions(+), 1 deletion(-)
>> create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_random.sh
>> create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_small.sh
>> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
>> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
>> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
>> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
>>
>> diff --git a/tools/perf/tests/shell/coresight_bubble_sort_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
>> new file mode 100755
>> index 000000000000..63567f8c4f8b
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
>> @@ -0,0 +1,20 @@
>> +#!/bin/sh -e
>> +# Coresight / Bubblesort Random Array
>> +
>> +# SPDX-License-Identifier: GPL-2.0
>> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
>> +
>> +TEST="bubble_sort"
>> +. $(dirname $0)/lib/coresight.sh
>> +ARGS="$DIR/random_array.txt"
>> +DATV="random"
>> +DATA="$DATD/perf-$TEST-$DATV.data"
>> +
>> +echo $ARGS
>> +
>> +perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
>> +
>> +perf_dump_aux_verify "$DATA" 4188 1630 1630
>> +
>> +err=$?
>> +exit $err
>> diff --git a/tools/perf/tests/shell/coresight_bubble_sort_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
>> new file mode 100755
>> index 000000000000..ac86d9973fba
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
>> @@ -0,0 +1,20 @@
>> +#!/bin/sh -e
>> +# Coresight / Bubblesort Small Array
>> +
>> +# SPDX-License-Identifier: GPL-2.0
>> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
>> +
>> +TEST="bubble_sort"
>> +. $(dirname $0)/lib/coresight.sh
>> +ARGS="$DIR/small_array.txt"
>> +DATV="small"
>> +DATA="$DATD/perf-$TEST-$DATV.data"
>> +
>> +echo $ARGS
>> +
>> +perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
>> +
>> +perf_dump_aux_verify "$DATA" 66 6 6
>> +
>> +err=$?
>> +exit $err
>> diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
>> index 1edab729db76..49fa80d28df4 100644
>> --- a/tools/perf/tests/shell/tools/coresight/Makefile
>> +++ b/tools/perf/tests/shell/tools/coresight/Makefile
>> @@ -6,7 +6,8 @@ include ../../../../../../tools/scripts/utilities.mak
>>
>> SUBDIRS = \
>> asm_pure_loop \
>> - thread_loop
>> + thread_loop \
>> + bubble_sort
>>
>> all: $(SUBDIRS)
>> $(SUBDIRS):
>> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
>> new file mode 100644
>> index 000000000000..6b82854f9f2b
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
>> @@ -0,0 +1,31 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
>> +include ../Makefile.miniconfig
>> +
>> +BIN=bubble_sort
>> +LIB=
>> +
>> +all: $(BIN)
>> +
>> +$(BIN): $(BIN).c
>> +ifdef CORESIGHT
>> +ifeq ($(ARCH),arm64)
>> + $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
>> +endif
>> +endif
>> +
>> +install-tests: all
>> +ifdef CORESIGHT
>> +ifeq ($(ARCH),arm64)
>> + $(call QUIET_INSTALL, tests) \
>> + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
>> + $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
>> + $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
>> + $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
>> +endif
>> +endif
>> +
>> +clean:
>> + $(Q)$(RM) -f $(BIN)
>> +
>> +.PHONY: all clean install-tests
>> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
>> new file mode 100644
>> index 000000000000..07169e03a803
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
>> @@ -0,0 +1,89 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +// Andrea Brunato <andrea.brunato@arm.com>, 2021
>> +// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
>> +
>> +#include <stdlib.h>
>> +#include <stdio.h>
>> +#include <assert.h>
>> +
>> +int count_lines(FILE *fp)
>> +{
>> + int lines_n = 0;
>> + char c;
>> +
>> + for (c = getc(fp); !feof(fp); c = getc(fp)) {
>> + if (c == '\n')
>> + lines_n = lines_n + 1;
>> + }
>> + fseek(fp, 0, SEEK_SET);
>> +#ifdef DEBUG
>> + printf("Number of lines: %d\n", lines_n);
>> +#endif
>> + return lines_n;
>> +}
>> +
>> +#ifdef DEBUG
>> +void print_array(int *arr, int size)
>> +{
>> + int i;
>> +
>> + assert(arr != NULL);
>> + for (i = 0; i < size; i++)
>> + printf("%d\n", arr[i]);
>> +}
>> +#endif
>> +
>> +void bubble_sort(int *a, int n)
>> +{
>> + int i, t, s = 1;
>> +
>> + while (s) {
>> + s = 0;
>> + for (i = 1; i < n; i++) {
>> + if (a[i] < a[i - 1]) {
>> + t = a[i];
>> + a[i] = a[i - 1];
>> + a[i - 1] = t;
>> + s = 1;
>> + }
>> + }
>> + }
>> +}
>> +
>> +void init_array(int *arr, int size, FILE *fp)
>> +{
>> + int i;
>> +
>> + for (i = 0; i < size; i++)
>> + fscanf(fp, "%d", &arr[i]);
>> +}
>> +
>> +int main(int argc, char **argv)
>> +{
>> + int lines_n = 0, *arr = NULL;
>> + FILE *fp;
>> +
>> + assert((argc == 2) && "Please specify an input file\n");
>> +
>> + fp = fopen(argv[1], "r");
>> + assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
>> +
>> + // Input file expected formar: one number per line
>> + lines_n = count_lines(fp);
>> +
>> + arr = malloc(sizeof(int) * lines_n);
>> + init_array(arr, lines_n, fp);
>> +
>> + bubble_sort(arr, lines_n);
>> +
>> +#ifdef DEBUG
>> + print_array(arr, lines_n);
>> +#endif
>> +
>> + free(arr);
>> + fclose(fp);
>> +
>> + return 0;
>> +}
>> +
>> +
>> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
>> new file mode 100644
>> index 000000000000..d041cfb7a649
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
>> @@ -0,0 +1,1855 @@
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>> +14691
>> +12591
>> +18044
>> +8909
>> +25202
>> +27953
>> +23172
>> +22914
>> +6804
>> +14234
>> +12636
>> +20760
>> +21866
>> +31846
>> +17844
>> +20014
>> +21902
>> +15389
>> +24169
>> +29553
>> +14032
>> +16076
>> +5035
>> +25992
>> +25029
>> +4317
>> +16615
>> +20427
>> +24495
>> +11357
>> +12509
>> +8751
>> +24526
>> +11103
>> +6514
>> +27064
>> +23387
>> +25860
>> +7862
>> +29519
>> +32038
>> +5185
>> +30944
>> +24886
>> +17154
>> +31396
>> +30740
>> +8150
>> +27337
>> +28106
>> +8701
>> +16534
>> +32519
>> +25090
>> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
>> new file mode 100644
>> index 000000000000..d351c8437d0a
>> --- /dev/null
>> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
>> @@ -0,0 +1,10 @@
>> +11637
>> +3799
>> +23116
>> +15091
>> +13022
>> +15840
>> +27029
>> +27563
>> +25641
>> +28703
>> --
>> 2.32.0
>>
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2021-12-15 16:03 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data carsten.haitzler
@ 2022-01-03 8:00 ` Leo Yan
2022-01-04 15:13 ` Carsten Haitzler
0 siblings, 1 reply; 19+ messages in thread
From: Leo Yan @ 2022-01-03 8:00 UTC (permalink / raw)
To: carsten.haitzler
Cc: linux-kernel, coresight, suzuki.poulose, mathieu.poirier,
mike.leach, inux-perf-users, acme
On Wed, Dec 15, 2021 at 04:03:58PM +0000, carsten.haitzler@foss.arm.com wrote:
> From: Carsten Haitzler <carsten.haitzler@arm.com>
>
> This adds a simple bubblesort test that sorts small and large data
> sets to see if a sufficient mount of aux data is produced.
When review this patch set, I try to classify the testing cases into
below three types, and I hope a testing is designed to verify a specific
CoreSight feature and can fall into one of these three types:
- For the waypoint testing, e.g. the test case is used to test different
branch instructions (direct or indirect branch, exception, etc);
- The config testing, we can rely on CoreSight configFS to configure
the specific CoreSight working mode, e.g. using strobing mode for
audoFDO [1];
- Verify if CoreSight driver works correctly with perf event
framework, I think essentially the test case [2] is used for this
purpose.
I know the bubble sort testing can give us more confidence to validate
the CoreSight tracing data for a complex sort algorithm, on the other
hand, bubble sort testing is essentially to test the way points.
For this reason, I think the case asm_pure_loop.S has covered the
testing for branch instructions, and if we want to cover more complete
waypoint testing, you could consider to extend asm_pure_loop.S file.
Furthermore, I expect the bubble sort is to be used for testing the
CoreSight configuration, e.g. it can be used to test for the strobing
mode (and for validation AutoFDO).
How about you think for this?
Thanks,
Leo
[1] https://www.kernel.org/doc/html/latest/trace/coresight/coresight-config.html#coresight-system-configuration-manager
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/tests/shell/test_arm_coresight.sh
> Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
> ---
> .../shell/coresight_bubble_sort_random.sh | 20 +
> .../shell/coresight_bubble_sort_small.sh | 20 +
> .../perf/tests/shell/tools/coresight/Makefile | 3 +-
> .../tools/coresight/bubble_sort/Makefile | 31 +
> .../tools/coresight/bubble_sort/bubble_sort.c | 89 +
> .../coresight/bubble_sort/random_array.txt | 1855 +++++++++++++++++
> .../coresight/bubble_sort/small_array.txt | 10 +
> 7 files changed, 2027 insertions(+), 1 deletion(-)
> create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_random.sh
> create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_small.sh
> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
> create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
>
> diff --git a/tools/perf/tests/shell/coresight_bubble_sort_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
> new file mode 100755
> index 000000000000..63567f8c4f8b
> --- /dev/null
> +++ b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
> @@ -0,0 +1,20 @@
> +#!/bin/sh -e
> +# Coresight / Bubblesort Random Array
> +
> +# SPDX-License-Identifier: GPL-2.0
> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
> +
> +TEST="bubble_sort"
> +. $(dirname $0)/lib/coresight.sh
> +ARGS="$DIR/random_array.txt"
> +DATV="random"
> +DATA="$DATD/perf-$TEST-$DATV.data"
> +
> +echo $ARGS
> +
> +perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
> +
> +perf_dump_aux_verify "$DATA" 4188 1630 1630
> +
> +err=$?
> +exit $err
> diff --git a/tools/perf/tests/shell/coresight_bubble_sort_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
> new file mode 100755
> index 000000000000..ac86d9973fba
> --- /dev/null
> +++ b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
> @@ -0,0 +1,20 @@
> +#!/bin/sh -e
> +# Coresight / Bubblesort Small Array
> +
> +# SPDX-License-Identifier: GPL-2.0
> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
> +
> +TEST="bubble_sort"
> +. $(dirname $0)/lib/coresight.sh
> +ARGS="$DIR/small_array.txt"
> +DATV="small"
> +DATA="$DATD/perf-$TEST-$DATV.data"
> +
> +echo $ARGS
> +
> +perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
> +
> +perf_dump_aux_verify "$DATA" 66 6 6
> +
> +err=$?
> +exit $err
> diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
> index 1edab729db76..49fa80d28df4 100644
> --- a/tools/perf/tests/shell/tools/coresight/Makefile
> +++ b/tools/perf/tests/shell/tools/coresight/Makefile
> @@ -6,7 +6,8 @@ include ../../../../../../tools/scripts/utilities.mak
>
> SUBDIRS = \
> asm_pure_loop \
> - thread_loop
> + thread_loop \
> + bubble_sort
>
> all: $(SUBDIRS)
> $(SUBDIRS):
> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
> new file mode 100644
> index 000000000000..6b82854f9f2b
> --- /dev/null
> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
> @@ -0,0 +1,31 @@
> +# SPDX-License-Identifier: GPL-2.0
> +# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
> +include ../Makefile.miniconfig
> +
> +BIN=bubble_sort
> +LIB=
> +
> +all: $(BIN)
> +
> +$(BIN): $(BIN).c
> +ifdef CORESIGHT
> +ifeq ($(ARCH),arm64)
> + $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
> +endif
> +endif
> +
> +install-tests: all
> +ifdef CORESIGHT
> +ifeq ($(ARCH),arm64)
> + $(call QUIET_INSTALL, tests) \
> + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
> + $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
> + $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
> + $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
> +endif
> +endif
> +
> +clean:
> + $(Q)$(RM) -f $(BIN)
> +
> +.PHONY: all clean install-tests
> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
> new file mode 100644
> index 000000000000..07169e03a803
> --- /dev/null
> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
> @@ -0,0 +1,89 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Andrea Brunato <andrea.brunato@arm.com>, 2021
> +// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
> +
> +#include <stdlib.h>
> +#include <stdio.h>
> +#include <assert.h>
> +
> +int count_lines(FILE *fp)
> +{
> + int lines_n = 0;
> + char c;
> +
> + for (c = getc(fp); !feof(fp); c = getc(fp)) {
> + if (c == '\n')
> + lines_n = lines_n + 1;
> + }
> + fseek(fp, 0, SEEK_SET);
> +#ifdef DEBUG
> + printf("Number of lines: %d\n", lines_n);
> +#endif
> + return lines_n;
> +}
> +
> +#ifdef DEBUG
> +void print_array(int *arr, int size)
> +{
> + int i;
> +
> + assert(arr != NULL);
> + for (i = 0; i < size; i++)
> + printf("%d\n", arr[i]);
> +}
> +#endif
> +
> +void bubble_sort(int *a, int n)
> +{
> + int i, t, s = 1;
> +
> + while (s) {
> + s = 0;
> + for (i = 1; i < n; i++) {
> + if (a[i] < a[i - 1]) {
> + t = a[i];
> + a[i] = a[i - 1];
> + a[i - 1] = t;
> + s = 1;
> + }
> + }
> + }
> +}
> +
> +void init_array(int *arr, int size, FILE *fp)
> +{
> + int i;
> +
> + for (i = 0; i < size; i++)
> + fscanf(fp, "%d", &arr[i]);
> +}
> +
> +int main(int argc, char **argv)
> +{
> + int lines_n = 0, *arr = NULL;
> + FILE *fp;
> +
> + assert((argc == 2) && "Please specify an input file\n");
> +
> + fp = fopen(argv[1], "r");
> + assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
> +
> + // Input file expected formar: one number per line
> + lines_n = count_lines(fp);
> +
> + arr = malloc(sizeof(int) * lines_n);
> + init_array(arr, lines_n, fp);
> +
> + bubble_sort(arr, lines_n);
> +
> +#ifdef DEBUG
> + print_array(arr, lines_n);
> +#endif
> +
> + free(arr);
> + fclose(fp);
> +
> + return 0;
> +}
> +
> +
> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
> new file mode 100644
> index 000000000000..d041cfb7a649
> --- /dev/null
> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
> @@ -0,0 +1,1855 @@
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> +9666
> +2040
> +2134
> +2242
> +5559
> +27430
> +20952
> +192
> +31554
> +18837
> +11816
> +30277
> +25451
> +21547
> +2541
> +25816
> +29475
> +16232
> +1700
> +19817
> +21906
> +14691
> +12591
> +18044
> +8909
> +25202
> +27953
> +23172
> +22914
> +6804
> +14234
> +12636
> +20760
> +21866
> +31846
> +17844
> +20014
> +21902
> +15389
> +24169
> +29553
> +14032
> +16076
> +5035
> +25992
> +25029
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> +20427
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> +17154
> +31396
> +30740
> +8150
> +27337
> +28106
> +8701
> +16534
> +32519
> +25090
> diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
> new file mode 100644
> index 000000000000..d351c8437d0a
> --- /dev/null
> +++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
> @@ -0,0 +1,10 @@
> +11637
> +3799
> +23116
> +15091
> +13022
> +15840
> +27029
> +27563
> +25641
> +28703
> --
> 2.32.0
>
^ permalink raw reply [flat|nested] 19+ messages in thread
* [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2021-12-15 16:22 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
@ 2021-12-15 16:22 ` carsten.haitzler
0 siblings, 0 replies; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 16:22 UTC (permalink / raw)
To: linux-perf-users
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds a simple bubblesort test that sorts small and large data
sets to see if a sufficient mount of aux data is produced.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../shell/coresight_bubble_sort_random.sh | 20 +
.../shell/coresight_bubble_sort_small.sh | 20 +
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../tools/coresight/bubble_sort/Makefile | 31 +
.../tools/coresight/bubble_sort/bubble_sort.c | 89 +
.../coresight/bubble_sort/random_array.txt | 1855 +++++++++++++++++
.../coresight/bubble_sort/small_array.txt | 10 +
7 files changed, 2027 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_random.sh
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_small.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
new file mode 100755
index 000000000000..63567f8c4f8b
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Random Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/random_array.txt"
+DATV="random"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 4188 1630 1630
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
new file mode 100755
index 000000000000..ac86d9973fba
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Small Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/small_array.txt"
+DATV="small"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 66 6 6
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 1edab729db76..49fa80d28df4 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -6,7 +6,8 @@ include ../../../../../../tools/scripts/utilities.mak
SUBDIRS = \
asm_pure_loop \
- thread_loop
+ thread_loop \
+ bubble_sort
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
new file mode 100644
index 000000000000..6b82854f9f2b
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=bubble_sort
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
+ $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
+ $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
new file mode 100644
index 000000000000..07169e03a803
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+// Andrea Brunato <andrea.brunato@arm.com>, 2021
+// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+int count_lines(FILE *fp)
+{
+ int lines_n = 0;
+ char c;
+
+ for (c = getc(fp); !feof(fp); c = getc(fp)) {
+ if (c == '\n')
+ lines_n = lines_n + 1;
+ }
+ fseek(fp, 0, SEEK_SET);
+#ifdef DEBUG
+ printf("Number of lines: %d\n", lines_n);
+#endif
+ return lines_n;
+}
+
+#ifdef DEBUG
+void print_array(int *arr, int size)
+{
+ int i;
+
+ assert(arr != NULL);
+ for (i = 0; i < size; i++)
+ printf("%d\n", arr[i]);
+}
+#endif
+
+void bubble_sort(int *a, int n)
+{
+ int i, t, s = 1;
+
+ while (s) {
+ s = 0;
+ for (i = 1; i < n; i++) {
+ if (a[i] < a[i - 1]) {
+ t = a[i];
+ a[i] = a[i - 1];
+ a[i - 1] = t;
+ s = 1;
+ }
+ }
+ }
+}
+
+void init_array(int *arr, int size, FILE *fp)
+{
+ int i;
+
+ for (i = 0; i < size; i++)
+ fscanf(fp, "%d", &arr[i]);
+}
+
+int main(int argc, char **argv)
+{
+ int lines_n = 0, *arr = NULL;
+ FILE *fp;
+
+ assert((argc == 2) && "Please specify an input file\n");
+
+ fp = fopen(argv[1], "r");
+ assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
+
+ // Input file expected formar: one number per line
+ lines_n = count_lines(fp);
+
+ arr = malloc(sizeof(int) * lines_n);
+ init_array(arr, lines_n, fp);
+
+ bubble_sort(arr, lines_n);
+
+#ifdef DEBUG
+ print_array(arr, lines_n);
+#endif
+
+ free(arr);
+ fclose(fp);
+
+ return 0;
+}
+
+
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
new file mode 100644
index 000000000000..d041cfb7a649
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
@@ -0,0 +1,1855 @@
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diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
new file mode 100644
index 000000000000..d351c8437d0a
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
@@ -0,0 +1,10 @@
+11637
+3799
+23116
+15091
+13022
+15840
+27029
+27563
+25641
+28703
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
* [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data
2021-12-15 16:03 carsten.haitzler
@ 2021-12-15 16:03 ` carsten.haitzler
2022-01-03 8:00 ` Leo Yan
0 siblings, 1 reply; 19+ messages in thread
From: carsten.haitzler @ 2021-12-15 16:03 UTC (permalink / raw)
To: linux-kernel
Cc: coresight, suzuki.poulose, mathieu.poirier, mike.leach, leo.yan,
inux-perf-users, acme
From: Carsten Haitzler <carsten.haitzler@arm.com>
This adds a simple bubblesort test that sorts small and large data
sets to see if a sufficient mount of aux data is produced.
Signed-off-by: Carsten Haitzler <carsten.haitzler@arm.com>
---
.../shell/coresight_bubble_sort_random.sh | 20 +
.../shell/coresight_bubble_sort_small.sh | 20 +
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../tools/coresight/bubble_sort/Makefile | 31 +
.../tools/coresight/bubble_sort/bubble_sort.c | 89 +
.../coresight/bubble_sort/random_array.txt | 1855 +++++++++++++++++
.../coresight/bubble_sort/small_array.txt | 10 +
7 files changed, 2027 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_random.sh
create mode 100755 tools/perf/tests/shell/coresight_bubble_sort_small.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
create mode 100644 tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_random.sh b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
new file mode 100755
index 000000000000..63567f8c4f8b
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_random.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Random Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/random_array.txt"
+DATV="random"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 4188 1630 1630
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_bubble_sort_small.sh b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
new file mode 100755
index 000000000000..ac86d9973fba
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_bubble_sort_small.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+# Coresight / Bubblesort Small Array
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+
+TEST="bubble_sort"
+. $(dirname $0)/lib/coresight.sh
+ARGS="$DIR/small_array.txt"
+DATV="small"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+echo $ARGS
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 66 6 6
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index 1edab729db76..49fa80d28df4 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -6,7 +6,8 @@ include ../../../../../../tools/scripts/utilities.mak
SUBDIRS = \
asm_pure_loop \
- thread_loop
+ thread_loop \
+ bubble_sort
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
new file mode 100644
index 000000000000..6b82854f9f2b
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/Makefile
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
+include ../Makefile.miniconfig
+
+BIN=bubble_sort
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'; \
+ $(INSTALL) random_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/random_array.txt'; \
+ $(INSTALL) small_array.txt '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/small_array.txt'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
new file mode 100644
index 000000000000..07169e03a803
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/bubble_sort.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0
+// Andrea Brunato <andrea.brunato@arm.com>, 2021
+// Example taken from: https://gcc.gnu.org/wiki/AutoFDO/Tutorial
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+int count_lines(FILE *fp)
+{
+ int lines_n = 0;
+ char c;
+
+ for (c = getc(fp); !feof(fp); c = getc(fp)) {
+ if (c == '\n')
+ lines_n = lines_n + 1;
+ }
+ fseek(fp, 0, SEEK_SET);
+#ifdef DEBUG
+ printf("Number of lines: %d\n", lines_n);
+#endif
+ return lines_n;
+}
+
+#ifdef DEBUG
+void print_array(int *arr, int size)
+{
+ int i;
+
+ assert(arr != NULL);
+ for (i = 0; i < size; i++)
+ printf("%d\n", arr[i]);
+}
+#endif
+
+void bubble_sort(int *a, int n)
+{
+ int i, t, s = 1;
+
+ while (s) {
+ s = 0;
+ for (i = 1; i < n; i++) {
+ if (a[i] < a[i - 1]) {
+ t = a[i];
+ a[i] = a[i - 1];
+ a[i - 1] = t;
+ s = 1;
+ }
+ }
+ }
+}
+
+void init_array(int *arr, int size, FILE *fp)
+{
+ int i;
+
+ for (i = 0; i < size; i++)
+ fscanf(fp, "%d", &arr[i]);
+}
+
+int main(int argc, char **argv)
+{
+ int lines_n = 0, *arr = NULL;
+ FILE *fp;
+
+ assert((argc == 2) && "Please specify an input file\n");
+
+ fp = fopen(argv[1], "r");
+ assert((fp != NULL) && "ERROR: Couldn't open the specified file\n");
+
+ // Input file expected formar: one number per line
+ lines_n = count_lines(fp);
+
+ arr = malloc(sizeof(int) * lines_n);
+ init_array(arr, lines_n, fp);
+
+ bubble_sort(arr, lines_n);
+
+#ifdef DEBUG
+ print_array(arr, lines_n);
+#endif
+
+ free(arr);
+ fclose(fp);
+
+ return 0;
+}
+
+
diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
new file mode 100644
index 000000000000..d041cfb7a649
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/random_array.txt
@@ -0,0 +1,1855 @@
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diff --git a/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
new file mode 100644
index 000000000000..d351c8437d0a
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/bubble_sort/small_array.txt
@@ -0,0 +1,10 @@
+11637
+3799
+23116
+15091
+13022
+15840
+27029
+27563
+25641
+28703
--
2.32.0
^ permalink raw reply related [flat|nested] 19+ messages in thread
end of thread, other threads:[~2022-01-12 9:54 UTC | newest]
Thread overview: 19+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-15 12:53 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
2021-12-15 12:53 ` [PATCH 02/12] perf test: Shell - only run .sh shell files to skip other files carsten.haitzler
2021-12-15 12:54 ` [PATCH 03/12] perf test: Use 3 digits for test numbering now we can have more tests carsten.haitzler
2021-12-15 12:54 ` [PATCH 04/12] perf test: Add beginning of test infra + test to exercise coresight carsten.haitzler
2021-12-15 12:54 ` [PATCH 05/12] perf test: Add coresight test to check all threads get some data logged carsten.haitzler
2021-12-15 12:54 ` [PATCH 06/12] perf test: Add tests to re-use the thread loop test to check aux data carsten.haitzler
2021-12-15 12:54 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight " carsten.haitzler
2021-12-15 12:54 ` [PATCH 08/12] perf test: Add threaded bubblesort tests for coresight carsten.haitzler
2021-12-15 12:54 ` [PATCH 09/12] perf test: Add add memcpy test for coresight quality checking carsten.haitzler
2021-12-15 12:54 ` [PATCH 10/12] perf test: Add threaded memcpy tests to check coresight aux data carsten.haitzler
2021-12-15 12:54 ` [PATCH 11/12] perf test: Add unrolled loop tests for " carsten.haitzler
2021-12-15 12:54 ` [PATCH 12/12] perf test: Add docs for coresight and related tests carsten.haitzler
2021-12-15 13:27 ` [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests James Clark
2021-12-15 16:00 ` Carsten Haitzler
2021-12-15 16:03 carsten.haitzler
2021-12-15 16:03 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data carsten.haitzler
2022-01-03 8:00 ` Leo Yan
2022-01-04 15:13 ` Carsten Haitzler
2022-01-12 9:54 ` Leo Yan
2021-12-15 16:22 [PATCH 01/12] perf test: Shell - Limit to only run executable scripts in tests carsten.haitzler
2021-12-15 16:22 ` [PATCH 07/12] perf test: Add simple bubblesort test for coresight aux data carsten.haitzler
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