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* [GIT PULL 00/15] perf/core improvements and fixes
@ 2016-09-22 21:12 Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 01/15] perf evsel: Remove superfluous initialization of weight Arnaldo Carvalho de Melo
                   ` (15 more replies)
  0 siblings, 16 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Arnaldo Carvalho de Melo, Adrian Hunter,
	Alexander Shishkin, Andi Kleen, David Ahern, Don Zickus,
	Jiri Olsa, Joe Mario, linux-arm-kernel, Mathieu Poirier,
	Namhyung Kim, Peter Zijlstra

From: Arnaldo Carvalho de Melo <acme@redhat.com>

Hi Ingo,

	Please consider pulling,

- Arnaldo

The following changes since commit 89f1c2c59c4aef8e26edbc7db5175e6ffb0e9ec7:

  Merge tag 'perf-core-for-mingo-20160920' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-09-20 23:32:02 +0200)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-20160922

for you to fetch changes up to 2d831454140f28fa643b78deede4511b9e2c9e5f:

  perf hists: Make hists__fprintf_headers function global (2016-09-22 13:08:59 -0300)

----------------------------------------------------------------
perf/core improvements:

New features:

- Add support for interacting with Coresight PMU ETMs/PTMs, that are IP blocks
  to perform hardware assisted tracing on a ARM CPU core (Mathieu Poirier)

Infrastructure:

- Histogram prep work for the upcoming c2c tool (Jiri Olsa)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

----------------------------------------------------------------
Jiri Olsa (9):
      perf evsel: Remove superfluous initialization of weight
      perf hists: Use bigger buffer for stdio headers
      perf hists: Add __hist_entry__snprintf function
      perf tools: Make reset_dimensions global
      perf tools: Make output_field_add and sort_dimension__add global
      perf tools: Make several sorting functions global
      perf tools: Make several display functions global
      perf hists: Make __hist_entry__snprintf function global
      perf hists: Make hists__fprintf_headers function global

Mathieu Poirier (6):
      perf tools: Confine __get_cpuid() to x86 architecture
      perf tools: Make coresight PMU listable
      perf tools: Add coresight etm PMU record capabilities
      perf pmu: Push configuration down to PMU driver
      perf tools: Add PMU configuration to tools
      perf tools: Add sink configuration for cs_etm PMU

 MAINTAINERS                         |   5 +
 tools/perf/Makefile.config          |  11 +-
 tools/perf/arch/arm/util/Build      |   2 +
 tools/perf/arch/arm/util/auxtrace.c |  54 ++++
 tools/perf/arch/arm/util/cs-etm.c   | 617 ++++++++++++++++++++++++++++++++++++
 tools/perf/arch/arm/util/cs-etm.h   |  26 ++
 tools/perf/arch/arm/util/pmu.c      |  36 +++
 tools/perf/arch/arm64/util/Build    |   4 +
 tools/perf/builtin-record.c         |  10 +
 tools/perf/builtin-stat.c           |   9 +
 tools/perf/builtin-top.c            |  13 +
 tools/perf/ui/browsers/hists.c      |   2 +-
 tools/perf/ui/hist.c                |   2 +-
 tools/perf/ui/stdio/hist.c          |  14 +-
 tools/perf/util/Build               |   1 +
 tools/perf/util/auxtrace.c          |   1 +
 tools/perf/util/auxtrace.h          |   1 +
 tools/perf/util/cs-etm.h            |  74 +++++
 tools/perf/util/drv_configs.c       |  77 +++++
 tools/perf/util/drv_configs.h       |  26 ++
 tools/perf/util/evsel.c             |   2 -
 tools/perf/util/hist.h              |   5 +
 tools/perf/util/pmu.h               |   2 +
 tools/perf/util/sort.c              |  16 +-
 tools/perf/util/sort.h              |  11 +
 25 files changed, 1001 insertions(+), 20 deletions(-)
 create mode 100644 tools/perf/arch/arm/util/auxtrace.c
 create mode 100644 tools/perf/arch/arm/util/cs-etm.c
 create mode 100644 tools/perf/arch/arm/util/cs-etm.h
 create mode 100644 tools/perf/arch/arm/util/pmu.c
 create mode 100644 tools/perf/util/cs-etm.h
 create mode 100644 tools/perf/util/drv_configs.c
 create mode 100644 tools/perf/util/drv_configs.h

  [root@zoo ~]# time dm
   1  73.911 alpine:3.4: Ok
   2  26.890 android-ndk:r12b-arm: Ok
   3  77.833 archlinux:latest: Ok
   4  40.814 centos:5: Ok
   5  64.151 centos:6: Ok
   6  75.720 centos:7: Ok
   7  68.960 debian:7: Ok
   8  75.606 debian:8: Ok
   9  75.127 fedora:20: Ok
  10  80.186 fedora:21: Ok
  11  80.157 fedora:22: Ok
  12  83.273 fedora:23: Ok
  13  91.566 fedora:24: Ok
  14  37.720 fedora:24-x-ARC-uClibc: Ok
  15  98.492 fedora:rawhide: Ok
  16 100.555 mageia:5: Ok
  17  94.140 opensuse:13.2: Ok
  18  95.476 opensuse:42.1: Ok
  19 106.037 opensuse:tumbleweed: Ok
  20  75.951 ubuntu:12.04.5: Ok
  21  52.138 ubuntu:14.04: Ok
  22  94.814 ubuntu:14.04.4: Ok
  23  100.525 ubuntu:15.10: Ok
  24  93.813 ubuntu:16.04: Ok
  25  85.214 ubuntu:16.04-x-arm: Ok
  26  83.487 ubuntu:16.04-x-arm64: Ok
  27  82.918 ubuntu:16.04-x-powerpc64: Ok
  28  84.189 ubuntu:16.04-x-powerpc64el: Ok
  29  93.162 ubuntu:16.10: Ok
  
  real	38m13.568s
  user	0m2.379s
  sys	0m2.402s
  [root@zoo ~]# 

  [root@jouet ~]# perf test
   1: vmlinux symtab matches kallsyms                          : Ok
   2: detect openat syscall event                              : Ok
   3: detect openat syscall event on all cpus                  : Ok
   4: read samples using the mmap interface                    : Ok
   5: parse events tests                                       : Ok
   6: Validate PERF_RECORD_* events & perf_sample fields       : Ok
   7: Test perf pmu format parsing                             : Ok
   8: Test dso data read                                       : Ok
   9: Test dso data cache                                      : Ok
  10: Test dso data reopen                                     : Ok
  11: roundtrip evsel->name check                              : Ok
  12: Check parsing of sched tracepoints fields                : Ok
  13: Generate and check syscalls:sys_enter_openat event fields: Ok
  14: struct perf_event_attr setup                             : Ok
  15: Test matching and linking multiple hists                 : Ok
  16: Try 'import perf' in python, checking link problems      : Ok
  17: Test breakpoint overflow signal handler                  : Ok
  18: Test breakpoint overflow sampling                        : Ok
  19: Test number of exit event of a simple workload           : Ok
  20: Test software clock events have valid period values      : Ok
  21: Test object code reading                                 : Ok
  22: Test sample parsing                                      : Ok
  23: Test using a dummy software event to keep tracking       : Ok
  24: Test parsing with no sample_id_all bit set               : Ok
  25: Test filtering hist entries                              : Ok
  26: Test mmap thread lookup                                  : Ok
  27: Test thread mg sharing                                   : Ok
  28: Test output sorting of hist entries                      : Ok
  29: Test cumulation of child hist entries                    : Ok
  30: Test tracking with sched_switch                          : Ok
  31: Filter fds with revents mask in a fdarray                : Ok
  32: Add fd to a fdarray, making it autogrow                  : Ok
  33: Test kmod_path__parse function                           : Ok
  34: Test thread map                                          : Ok
  35: Test LLVM searching and compiling                        :
  35.1: Basic BPF llvm compiling test                          : Ok
  35.2: Test kbuild searching                                  : Ok
  35.3: Compile source for BPF prologue generation test        : Ok
  35.4: Compile source for BPF relocation test                 : Ok
  36: Test topology in session                                 : Ok
  37: Test BPF filter                                          :
  37.1: Test basic BPF filtering                               : Ok
  37.2: Test BPF prologue generation                           : Ok
  37.3: Test BPF relocation checker                            : Ok
  38: Test thread map synthesize                               : Ok
  39: Test cpu map synthesize                                  : Ok
  40: Test stat config synthesize                              : Ok
  41: Test stat synthesize                                     : Ok
  42: Test stat round synthesize                               : Ok
  43: Test attr update synthesize                              : Ok
  44: Test events times                                        : Ok
  45: Test backward reading from ring buffer                   : Ok
  46: Test cpu map print                                       : Ok
  47: Test SDT event probing                                   : Ok
  48: Test is_printable_array function                         : Ok
  49: Test bitmap print                                        : Ok
  50: x86 rdpmc test                                           : Ok
  51: Test converting perf time to TSC                         : Ok
  52: Test dwarf unwind                                        : Ok
  53: Test x86 instruction decoder - new instructions          : Ok
  54: Test intel cqm nmi context read                          : Skip
  [root@jouet ~]#

^ permalink raw reply	[flat|nested] 17+ messages in thread

* [PATCH 01/15] perf evsel: Remove superfluous initialization of weight
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 02/15] perf hists: Use bigger buffer for stdio headers Arnaldo Carvalho de Melo
                   ` (14 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Removing superfluous initialization of weight, it's already set to 0 via
memset.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474290610-23241-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/evsel.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 21fd573106ed..f3225a2e6eee 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1728,7 +1728,6 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 	data->cpu = data->pid = data->tid = -1;
 	data->stream_id = data->id = data->time = -1ULL;
 	data->period = evsel->attr.sample_period;
-	data->weight = 0;
 	data->cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
 
 	if (event->header.type != PERF_RECORD_SAMPLE) {
@@ -1935,7 +1934,6 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 		}
 	}
 
-	data->weight = 0;
 	if (type & PERF_SAMPLE_WEIGHT) {
 		OVERFLOW_CHECK_u64(array);
 		data->weight = *array;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 02/15] perf hists: Use bigger buffer for stdio headers
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 01/15] perf evsel: Remove superfluous initialization of weight Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 03/15] perf tools: Confine __get_cpuid() to x86 architecture Arnaldo Carvalho de Melo
                   ` (13 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

With node column on big CPUs servers we can run out of stdio header
space quite soon. Enlarging header buffer.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474290610-23241-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/stdio/hist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 8e1840bff29d..c8dca34585ea 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -698,7 +698,7 @@ hists__fprintf_standard_headers(struct hists *hists,
 
 static int hists__fprintf_headers(struct hists *hists, FILE *fp)
 {
-	char bf[96];
+	char bf[1024];
 	struct perf_hpp dummy_hpp = {
 		.buf	= bf,
 		.size	= sizeof(bf),
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 03/15] perf tools: Confine __get_cpuid() to x86 architecture
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 01/15] perf evsel: Remove superfluous initialization of weight Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 02/15] perf hists: Use bigger buffer for stdio headers Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 04/15] perf tools: Make coresight PMU listable Arnaldo Carvalho de Melo
                   ` (12 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

The __get_cpuid() test is only valid when compiling for x86.  When
compiling for other architectures like ARM/ARM64 the test fails event if
the functionality is not required.

This patch isolate the build-in feature check to x86 platform, allowing
the compilation and usage of PMUs that use the AUXTRACE infrastructure
on other architectures (i.e ARM CoreSight).

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-2-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/Makefile.config | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 24803c58049a..72edf83d76b7 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -746,10 +746,13 @@ ifdef LIBBABELTRACE
 endif
 
 ifndef NO_AUXTRACE
-  ifeq ($(feature-get_cpuid), 0)
-    msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
-    NO_AUXTRACE := 1
-  else
+  ifeq ($(ARCH),x86)
+    ifeq ($(feature-get_cpuid), 0)
+      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
+      NO_AUXTRACE := 1
+    endif
+  endif
+  ifndef NO_AUXTRACE
     $(call detected,CONFIG_AUXTRACE)
     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
   endif
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 04/15] perf tools: Make coresight PMU listable
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (2 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 03/15] perf tools: Confine __get_cpuid() to x86 architecture Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 05/15] perf tools: Add coresight etm PMU record capabilities Arnaldo Carvalho de Melo
                   ` (11 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

Adding the required mechanic allowing 'perf list pmu' to discover
coresight ETM/PTM tracers.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-3-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 MAINTAINERS                      |  1 +
 tools/perf/arch/arm/util/Build   |  2 ++
 tools/perf/arch/arm/util/pmu.c   | 34 ++++++++++++++++++++++++++++++++++
 tools/perf/arch/arm64/util/Build |  2 ++
 4 files changed, 39 insertions(+)
 create mode 100644 tools/perf/arch/arm/util/pmu.c

diff --git a/MAINTAINERS b/MAINTAINERS
index db814a89599c..7407fe779053 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1123,6 +1123,7 @@ F:	drivers/hwtracing/coresight/*
 F:	Documentation/trace/coresight.txt
 F:	Documentation/devicetree/bindings/arm/coresight.txt
 F:	Documentation/ABI/testing/sysfs-bus-coresight-devices-*
+F:	tools/perf/arch/arm/util/pmu.c
 
 ARM/CORGI MACHINE SUPPORT
 M:	Richard Purdie <rpurdie@rpsys.net>
diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build
index f98da17357c0..4093fd146f46 100644
--- a/tools/perf/arch/arm/util/Build
+++ b/tools/perf/arch/arm/util/Build
@@ -2,3 +2,5 @@ libperf-$(CONFIG_DWARF) += dwarf-regs.o
 
 libperf-$(CONFIG_LOCAL_LIBUNWIND)    += unwind-libunwind.o
 libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+
+libperf-$(CONFIG_AUXTRACE) += pmu.o
diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
new file mode 100644
index 000000000000..af9fb666b44f
--- /dev/null
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright(C) 2015 Linaro Limited. All rights reserved.
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <linux/coresight-pmu.h>
+#include <linux/perf_event.h>
+
+#include "../../util/pmu.h"
+
+struct perf_event_attr
+*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+{
+#ifdef HAVE_AUXTRACE_SUPPORT
+	if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
+		/* add ETM default config here */
+		pmu->selectable = true;
+	}
+#endif
+	return NULL;
+}
diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build
index 02f41dba4f4f..3876dd05bb8b 100644
--- a/tools/perf/arch/arm64/util/Build
+++ b/tools/perf/arch/arm64/util/Build
@@ -1,2 +1,4 @@
 libperf-$(CONFIG_DWARF)     += dwarf-regs.o
 libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+
+libperf-$(CONFIG_AUXTRACE) += ../../arm/util/pmu.o
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 05/15] perf tools: Add coresight etm PMU record capabilities
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (3 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 04/15] perf tools: Make coresight PMU listable Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 06/15] perf pmu: Push configuration down to PMU driver Arnaldo Carvalho de Melo
                   ` (10 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin, Jiri Olsa,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

Coresight ETMs are IP blocks used to perform HW assisted tracing on a
CPU core.  This patch introduce the required auxiliary API functions
allowing the perf core to interact with a tracer.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-4-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 MAINTAINERS                         |   4 +
 tools/perf/arch/arm/util/Build      |   2 +-
 tools/perf/arch/arm/util/auxtrace.c |  54 ++++
 tools/perf/arch/arm/util/cs-etm.c   | 559 ++++++++++++++++++++++++++++++++++++
 tools/perf/arch/arm/util/cs-etm.h   |  23 ++
 tools/perf/arch/arm64/util/Build    |   4 +-
 tools/perf/util/auxtrace.c          |   1 +
 tools/perf/util/auxtrace.h          |   1 +
 tools/perf/util/cs-etm.h            |  74 +++++
 9 files changed, 720 insertions(+), 2 deletions(-)
 create mode 100644 tools/perf/arch/arm/util/auxtrace.c
 create mode 100644 tools/perf/arch/arm/util/cs-etm.c
 create mode 100644 tools/perf/arch/arm/util/cs-etm.h
 create mode 100644 tools/perf/util/cs-etm.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 7407fe779053..ac29d5453750 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1124,6 +1124,10 @@ F:	Documentation/trace/coresight.txt
 F:	Documentation/devicetree/bindings/arm/coresight.txt
 F:	Documentation/ABI/testing/sysfs-bus-coresight-devices-*
 F:	tools/perf/arch/arm/util/pmu.c
+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/util/cs-etm.h
 
 ARM/CORGI MACHINE SUPPORT
 M:	Richard Purdie <rpurdie@rpsys.net>
diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build
index 4093fd146f46..e64c5f216448 100644
--- a/tools/perf/arch/arm/util/Build
+++ b/tools/perf/arch/arm/util/Build
@@ -3,4 +3,4 @@ libperf-$(CONFIG_DWARF) += dwarf-regs.o
 libperf-$(CONFIG_LOCAL_LIBUNWIND)    += unwind-libunwind.o
 libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
 
-libperf-$(CONFIG_AUXTRACE) += pmu.o
+libperf-$(CONFIG_AUXTRACE) += pmu.o auxtrace.o cs-etm.o
diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c
new file mode 100644
index 000000000000..8edf2cb71564
--- /dev/null
+++ b/tools/perf/arch/arm/util/auxtrace.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright(C) 2015 Linaro Limited. All rights reserved.
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+#include <linux/coresight-pmu.h>
+
+#include "../../util/auxtrace.h"
+#include "../../util/evlist.h"
+#include "../../util/pmu.h"
+#include "cs-etm.h"
+
+struct auxtrace_record
+*auxtrace_record__init(struct perf_evlist *evlist, int *err)
+{
+	struct perf_pmu	*cs_etm_pmu;
+	struct perf_evsel *evsel;
+	bool found_etm = false;
+
+	cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
+
+	if (evlist) {
+		evlist__for_each_entry(evlist, evsel) {
+			if (cs_etm_pmu &&
+			    evsel->attr.type == cs_etm_pmu->type)
+				found_etm = true;
+		}
+	}
+
+	if (found_etm)
+		return cs_etm_record_init(err);
+
+	/*
+	 * Clear 'err' even if we haven't found a cs_etm event - that way perf
+	 * record can still be used even if tracers aren't present.  The NULL
+	 * return value will take care of telling the infrastructure HW tracing
+	 * isn't available.
+	 */
+	*err = 0;
+	return NULL;
+}
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
new file mode 100644
index 000000000000..829c479614f1
--- /dev/null
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -0,0 +1,559 @@
+/*
+ * Copyright(C) 2015 Linaro Limited. All rights reserved.
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <api/fs/fs.h>
+#include <linux/bitops.h>
+#include <linux/coresight-pmu.h>
+#include <linux/kernel.h>
+#include <linux/log2.h>
+#include <linux/types.h>
+
+#include "cs-etm.h"
+#include "../../perf.h"
+#include "../../util/auxtrace.h"
+#include "../../util/cpumap.h"
+#include "../../util/evlist.h"
+#include "../../util/pmu.h"
+#include "../../util/thread_map.h"
+#include "../../util/cs-etm.h"
+
+#include <stdlib.h>
+
+struct cs_etm_recording {
+	struct auxtrace_record	itr;
+	struct perf_pmu		*cs_etm_pmu;
+	struct perf_evlist	*evlist;
+	bool			snapshot_mode;
+	size_t			snapshot_size;
+};
+
+static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu);
+
+static int cs_etm_parse_snapshot_options(struct auxtrace_record *itr,
+					 struct record_opts *opts,
+					 const char *str)
+{
+	struct cs_etm_recording *ptr =
+				container_of(itr, struct cs_etm_recording, itr);
+	unsigned long long snapshot_size = 0;
+	char *endptr;
+
+	if (str) {
+		snapshot_size = strtoull(str, &endptr, 0);
+		if (*endptr || snapshot_size > SIZE_MAX)
+			return -1;
+	}
+
+	opts->auxtrace_snapshot_mode = true;
+	opts->auxtrace_snapshot_size = snapshot_size;
+	ptr->snapshot_size = snapshot_size;
+
+	return 0;
+}
+
+static int cs_etm_recording_options(struct auxtrace_record *itr,
+				    struct perf_evlist *evlist,
+				    struct record_opts *opts)
+{
+	struct cs_etm_recording *ptr =
+				container_of(itr, struct cs_etm_recording, itr);
+	struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+	struct perf_evsel *evsel, *cs_etm_evsel = NULL;
+	const struct cpu_map *cpus = evlist->cpus;
+	bool privileged = (geteuid() == 0 || perf_event_paranoid() < 0);
+
+	ptr->evlist = evlist;
+	ptr->snapshot_mode = opts->auxtrace_snapshot_mode;
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (evsel->attr.type == cs_etm_pmu->type) {
+			if (cs_etm_evsel) {
+				pr_err("There may be only one %s event\n",
+				       CORESIGHT_ETM_PMU_NAME);
+				return -EINVAL;
+			}
+			evsel->attr.freq = 0;
+			evsel->attr.sample_period = 1;
+			cs_etm_evsel = evsel;
+			opts->full_auxtrace = true;
+		}
+	}
+
+	/* no need to continue if at least one event of interest was found */
+	if (!cs_etm_evsel)
+		return 0;
+
+	if (opts->use_clockid) {
+		pr_err("Cannot use clockid (-k option) with %s\n",
+		       CORESIGHT_ETM_PMU_NAME);
+		return -EINVAL;
+	}
+
+	/* we are in snapshot mode */
+	if (opts->auxtrace_snapshot_mode) {
+		/*
+		 * No size were given to '-S' or '-m,', so go with
+		 * the default
+		 */
+		if (!opts->auxtrace_snapshot_size &&
+		    !opts->auxtrace_mmap_pages) {
+			if (privileged) {
+				opts->auxtrace_mmap_pages = MiB(4) / page_size;
+			} else {
+				opts->auxtrace_mmap_pages =
+							KiB(128) / page_size;
+				if (opts->mmap_pages == UINT_MAX)
+					opts->mmap_pages = KiB(256) / page_size;
+			}
+		} else if (!opts->auxtrace_mmap_pages && !privileged &&
+						opts->mmap_pages == UINT_MAX) {
+			opts->mmap_pages = KiB(256) / page_size;
+		}
+
+		/*
+		 * '-m,xyz' was specified but no snapshot size, so make the
+		 * snapshot size as big as the auxtrace mmap area.
+		 */
+		if (!opts->auxtrace_snapshot_size) {
+			opts->auxtrace_snapshot_size =
+				opts->auxtrace_mmap_pages * (size_t)page_size;
+		}
+
+		/*
+		 * -Sxyz was specified but no auxtrace mmap area, so make the
+		 * auxtrace mmap area big enough to fit the requested snapshot
+		 * size.
+		 */
+		if (!opts->auxtrace_mmap_pages) {
+			size_t sz = opts->auxtrace_snapshot_size;
+
+			sz = round_up(sz, page_size) / page_size;
+			opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
+		}
+
+		/* Snapshost size can't be bigger than the auxtrace area */
+		if (opts->auxtrace_snapshot_size >
+				opts->auxtrace_mmap_pages * (size_t)page_size) {
+			pr_err("Snapshot size %zu must not be greater than AUX area tracing mmap size %zu\n",
+			       opts->auxtrace_snapshot_size,
+			       opts->auxtrace_mmap_pages * (size_t)page_size);
+			return -EINVAL;
+		}
+
+		/* Something went wrong somewhere - this shouldn't happen */
+		if (!opts->auxtrace_snapshot_size ||
+		    !opts->auxtrace_mmap_pages) {
+			pr_err("Failed to calculate default snapshot size and/or AUX area tracing mmap pages\n");
+			return -EINVAL;
+		}
+	}
+
+	/* We are in full trace mode but '-m,xyz' wasn't specified */
+	if (opts->full_auxtrace && !opts->auxtrace_mmap_pages) {
+		if (privileged) {
+			opts->auxtrace_mmap_pages = MiB(4) / page_size;
+		} else {
+			opts->auxtrace_mmap_pages = KiB(128) / page_size;
+			if (opts->mmap_pages == UINT_MAX)
+				opts->mmap_pages = KiB(256) / page_size;
+		}
+
+	}
+
+	/* Validate auxtrace_mmap_pages provided by user */
+	if (opts->auxtrace_mmap_pages) {
+		unsigned int max_page = (KiB(128) / page_size);
+		size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
+
+		if (!privileged &&
+		    opts->auxtrace_mmap_pages > max_page) {
+			opts->auxtrace_mmap_pages = max_page;
+			pr_err("auxtrace too big, truncating to %d\n",
+			       max_page);
+		}
+
+		if (!is_power_of_2(sz)) {
+			pr_err("Invalid mmap size for %s: must be a power of 2\n",
+			       CORESIGHT_ETM_PMU_NAME);
+			return -EINVAL;
+		}
+	}
+
+	if (opts->auxtrace_snapshot_mode)
+		pr_debug2("%s snapshot size: %zu\n", CORESIGHT_ETM_PMU_NAME,
+			  opts->auxtrace_snapshot_size);
+
+	if (cs_etm_evsel) {
+		/*
+		 * To obtain the auxtrace buffer file descriptor, the auxtrace
+		 * event must come first.
+		 */
+		perf_evlist__to_front(evlist, cs_etm_evsel);
+		/*
+		 * In the case of per-cpu mmaps, we need the CPU on the
+		 * AUX event.
+		 */
+		if (!cpu_map__empty(cpus))
+			perf_evsel__set_sample_bit(cs_etm_evsel, CPU);
+	}
+
+	/* Add dummy event to keep tracking */
+	if (opts->full_auxtrace) {
+		struct perf_evsel *tracking_evsel;
+		int err;
+
+		err = parse_events(evlist, "dummy:u", NULL);
+		if (err)
+			return err;
+
+		tracking_evsel = perf_evlist__last(evlist);
+		perf_evlist__set_tracking_event(evlist, tracking_evsel);
+
+		tracking_evsel->attr.freq = 0;
+		tracking_evsel->attr.sample_period = 1;
+
+		/* In per-cpu case, always need the time of mmap events etc */
+		if (!cpu_map__empty(cpus))
+			perf_evsel__set_sample_bit(tracking_evsel, TIME);
+	}
+
+	return 0;
+}
+
+static u64 cs_etm_get_config(struct auxtrace_record *itr)
+{
+	u64 config = 0;
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+	struct perf_evlist *evlist = ptr->evlist;
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(evlist, evsel) {
+		if (evsel->attr.type == cs_etm_pmu->type) {
+			/*
+			 * Variable perf_event_attr::config is assigned to
+			 * ETMv3/PTM.  The bit fields have been made to match
+			 * the ETMv3.5 ETRMCR register specification.  See the
+			 * PMU_FORMAT_ATTR() declarations in
+			 * drivers/hwtracing/coresight/coresight-perf.c for
+			 * details.
+			 */
+			config = evsel->attr.config;
+			break;
+		}
+	}
+
+	return config;
+}
+
+static size_t
+cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
+		      struct perf_evlist *evlist __maybe_unused)
+{
+	int i;
+	int etmv3 = 0, etmv4 = 0;
+	const struct cpu_map *cpus = evlist->cpus;
+
+	/* cpu map is not empty, we have specific CPUs to work with */
+	if (!cpu_map__empty(cpus)) {
+		for (i = 0; i < cpu_map__nr(cpus); i++) {
+			if (cs_etm_is_etmv4(itr, cpus->map[i]))
+				etmv4++;
+			else
+				etmv3++;
+		}
+	} else {
+		/* get configuration for all CPUs in the system */
+		for (i = 0; i < cpu__max_cpu(); i++) {
+			if (cs_etm_is_etmv4(itr, i))
+				etmv4++;
+			else
+				etmv3++;
+		}
+	}
+
+	return (CS_ETM_HEADER_SIZE +
+	       (etmv4 * CS_ETMV4_PRIV_SIZE) +
+	       (etmv3 * CS_ETMV3_PRIV_SIZE));
+}
+
+static const char *metadata_etmv3_ro[CS_ETM_PRIV_MAX] = {
+	[CS_ETM_ETMCCER]	= "mgmt/etmccer",
+	[CS_ETM_ETMIDR]		= "mgmt/etmidr",
+};
+
+static const char *metadata_etmv4_ro[CS_ETMV4_PRIV_MAX] = {
+	[CS_ETMV4_TRCIDR0]		= "trcidr/trcidr0",
+	[CS_ETMV4_TRCIDR1]		= "trcidr/trcidr1",
+	[CS_ETMV4_TRCIDR2]		= "trcidr/trcidr2",
+	[CS_ETMV4_TRCIDR8]		= "trcidr/trcidr8",
+	[CS_ETMV4_TRCAUTHSTATUS]	= "mgmt/trcauthstatus",
+};
+
+static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu)
+{
+	bool ret = false;
+	char path[PATH_MAX];
+	int scan;
+	unsigned int val;
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+
+	/* Take any of the RO files for ETMv4 and see if it present */
+	snprintf(path, PATH_MAX, "cpu%d/%s",
+		 cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
+	scan = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val);
+
+	/* The file was read successfully, we have a winner */
+	if (scan == 1)
+		ret = true;
+
+	return ret;
+}
+
+static int cs_etm_get_ro(struct perf_pmu *pmu, int cpu, const char *path)
+{
+	char pmu_path[PATH_MAX];
+	int scan;
+	unsigned int val = 0;
+
+	/* Get RO metadata from sysfs */
+	snprintf(pmu_path, PATH_MAX, "cpu%d/%s", cpu, path);
+
+	scan = perf_pmu__scan_file(pmu, pmu_path, "%x", &val);
+	if (scan != 1)
+		pr_err("%s: error reading: %s\n", __func__, pmu_path);
+
+	return val;
+}
+
+static void cs_etm_get_metadata(int cpu, u32 *offset,
+				struct auxtrace_record *itr,
+				struct auxtrace_info_event *info)
+{
+	u32 increment;
+	u64 magic;
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+
+	/* first see what kind of tracer this cpu is affined to */
+	if (cs_etm_is_etmv4(itr, cpu)) {
+		magic = __perf_cs_etmv4_magic;
+		/* Get trace configuration register */
+		info->priv[*offset + CS_ETMV4_TRCCONFIGR] =
+						cs_etm_get_config(itr);
+		/* Get traceID from the framework */
+		info->priv[*offset + CS_ETMV4_TRCTRACEIDR] =
+						coresight_get_trace_id(cpu);
+		/* Get read-only information from sysFS */
+		info->priv[*offset + CS_ETMV4_TRCIDR0] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
+		info->priv[*offset + CS_ETMV4_TRCIDR1] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
+		info->priv[*offset + CS_ETMV4_TRCIDR2] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
+		info->priv[*offset + CS_ETMV4_TRCIDR8] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
+		info->priv[*offset + CS_ETMV4_TRCAUTHSTATUS] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv4_ro
+				      [CS_ETMV4_TRCAUTHSTATUS]);
+
+		/* How much space was used */
+		increment = CS_ETMV4_PRIV_MAX;
+	} else {
+		magic = __perf_cs_etmv3_magic;
+		/* Get configuration register */
+		info->priv[*offset + CS_ETM_ETMCR] = cs_etm_get_config(itr);
+		/* Get traceID from the framework */
+		info->priv[*offset + CS_ETM_ETMTRACEIDR] =
+						coresight_get_trace_id(cpu);
+		/* Get read-only information from sysFS */
+		info->priv[*offset + CS_ETM_ETMCCER] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv3_ro[CS_ETM_ETMCCER]);
+		info->priv[*offset + CS_ETM_ETMIDR] =
+			cs_etm_get_ro(cs_etm_pmu, cpu,
+				      metadata_etmv3_ro[CS_ETM_ETMIDR]);
+
+		/* How much space was used */
+		increment = CS_ETM_PRIV_MAX;
+	}
+
+	/* Build generic header portion */
+	info->priv[*offset + CS_ETM_MAGIC] = magic;
+	info->priv[*offset + CS_ETM_CPU] = cpu;
+	/* Where the next CPU entry should start from */
+	*offset += increment;
+}
+
+static int cs_etm_info_fill(struct auxtrace_record *itr,
+			    struct perf_session *session,
+			    struct auxtrace_info_event *info,
+			    size_t priv_size)
+{
+	int i;
+	u32 offset;
+	u64 nr_cpu, type;
+	const struct cpu_map *cpus = session->evlist->cpus;
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+
+	if (priv_size != cs_etm_info_priv_size(itr, session->evlist))
+		return -EINVAL;
+
+	if (!session->evlist->nr_mmaps)
+		return -EINVAL;
+
+	/* If the cpu_map is empty all CPUs are involved */
+	nr_cpu = cpu_map__empty(cpus) ? cpu__max_cpu() : cpu_map__nr(cpus);
+	/* Get PMU type as dynamically assigned by the core */
+	type = cs_etm_pmu->type;
+
+	/* First fill out the session header */
+	info->type = PERF_AUXTRACE_CS_ETM;
+	info->priv[CS_HEADER_VERSION_0] = 0;
+	info->priv[CS_PMU_TYPE_CPUS] = type << 32;
+	info->priv[CS_PMU_TYPE_CPUS] |= nr_cpu;
+	info->priv[CS_ETM_SNAPSHOT] = ptr->snapshot_mode;
+
+	offset = CS_ETM_SNAPSHOT + 1;
+
+	/* cpu map is not empty, we have specific CPUs to work with */
+	if (!cpu_map__empty(cpus)) {
+		for (i = 0; i < cpu_map__nr(cpus) && offset < priv_size; i++)
+			cs_etm_get_metadata(cpus->map[i], &offset, itr, info);
+	} else {
+		/* get configuration for all CPUs in the system */
+		for (i = 0; i < cpu__max_cpu(); i++)
+			cs_etm_get_metadata(i, &offset, itr, info);
+	}
+
+	return 0;
+}
+
+static int cs_etm_find_snapshot(struct auxtrace_record *itr __maybe_unused,
+				int idx, struct auxtrace_mmap *mm,
+				unsigned char *data __maybe_unused,
+				u64 *head, u64 *old)
+{
+	pr_debug3("%s: mmap index %d old head %zu new head %zu size %zu\n",
+		  __func__, idx, (size_t)*old, (size_t)*head, mm->len);
+
+	*old = *head;
+	*head += mm->len;
+
+	return 0;
+}
+
+static int cs_etm_snapshot_start(struct auxtrace_record *itr)
+{
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(ptr->evlist, evsel) {
+		if (evsel->attr.type == ptr->cs_etm_pmu->type)
+			return perf_evsel__disable(evsel);
+	}
+	return -EINVAL;
+}
+
+static int cs_etm_snapshot_finish(struct auxtrace_record *itr)
+{
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(ptr->evlist, evsel) {
+		if (evsel->attr.type == ptr->cs_etm_pmu->type)
+			return perf_evsel__enable(evsel);
+	}
+	return -EINVAL;
+}
+
+static u64 cs_etm_reference(struct auxtrace_record *itr __maybe_unused)
+{
+	return (((u64) rand() <<  0) & 0x00000000FFFFFFFFull) |
+		(((u64) rand() << 32) & 0xFFFFFFFF00000000ull);
+}
+
+static void cs_etm_recording_free(struct auxtrace_record *itr)
+{
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	free(ptr);
+}
+
+static int cs_etm_read_finish(struct auxtrace_record *itr, int idx)
+{
+	struct cs_etm_recording *ptr =
+			container_of(itr, struct cs_etm_recording, itr);
+	struct perf_evsel *evsel;
+
+	evlist__for_each_entry(ptr->evlist, evsel) {
+		if (evsel->attr.type == ptr->cs_etm_pmu->type)
+			return perf_evlist__enable_event_idx(ptr->evlist,
+							     evsel, idx);
+	}
+
+	return -EINVAL;
+}
+
+struct auxtrace_record *cs_etm_record_init(int *err)
+{
+	struct perf_pmu *cs_etm_pmu;
+	struct cs_etm_recording *ptr;
+
+	cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
+
+	if (!cs_etm_pmu) {
+		*err = -EINVAL;
+		goto out;
+	}
+
+	ptr = zalloc(sizeof(struct cs_etm_recording));
+	if (!ptr) {
+		*err = -ENOMEM;
+		goto out;
+	}
+
+	ptr->cs_etm_pmu			= cs_etm_pmu;
+	ptr->itr.parse_snapshot_options	= cs_etm_parse_snapshot_options;
+	ptr->itr.recording_options	= cs_etm_recording_options;
+	ptr->itr.info_priv_size		= cs_etm_info_priv_size;
+	ptr->itr.info_fill		= cs_etm_info_fill;
+	ptr->itr.find_snapshot		= cs_etm_find_snapshot;
+	ptr->itr.snapshot_start		= cs_etm_snapshot_start;
+	ptr->itr.snapshot_finish	= cs_etm_snapshot_finish;
+	ptr->itr.reference		= cs_etm_reference;
+	ptr->itr.free			= cs_etm_recording_free;
+	ptr->itr.read_finish		= cs_etm_read_finish;
+
+	*err = 0;
+	return &ptr->itr;
+out:
+	return NULL;
+}
diff --git a/tools/perf/arch/arm/util/cs-etm.h b/tools/perf/arch/arm/util/cs-etm.h
new file mode 100644
index 000000000000..909f486d02d1
--- /dev/null
+++ b/tools/perf/arch/arm/util/cs-etm.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright(C) 2015 Linaro Limited. All rights reserved.
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDE__PERF_CS_ETM_H__
+#define INCLUDE__PERF_CS_ETM_H__
+
+struct auxtrace_record *cs_etm_record_init(int *err);
+
+#endif
diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build
index 3876dd05bb8b..cef6fb38d17e 100644
--- a/tools/perf/arch/arm64/util/Build
+++ b/tools/perf/arch/arm64/util/Build
@@ -1,4 +1,6 @@
 libperf-$(CONFIG_DWARF)     += dwarf-regs.o
 libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
 
-libperf-$(CONFIG_AUXTRACE) += ../../arm/util/pmu.o
+libperf-$(CONFIG_AUXTRACE) += ../../arm/util/pmu.o \
+			      ../../arm/util/auxtrace.o \
+			      ../../arm/util/cs-etm.o
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index c9169011e55e..c0aba8e839aa 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -892,6 +892,7 @@ int perf_event__process_auxtrace_info(struct perf_tool *tool __maybe_unused,
 		return intel_pt_process_auxtrace_info(event, session);
 	case PERF_AUXTRACE_INTEL_BTS:
 		return intel_bts_process_auxtrace_info(event, session);
+	case PERF_AUXTRACE_CS_ETM:
 	case PERF_AUXTRACE_UNKNOWN:
 	default:
 		return -EINVAL;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index ac5f0d7167e6..09286f193532 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -41,6 +41,7 @@ enum auxtrace_type {
 	PERF_AUXTRACE_UNKNOWN,
 	PERF_AUXTRACE_INTEL_PT,
 	PERF_AUXTRACE_INTEL_BTS,
+	PERF_AUXTRACE_CS_ETM,
 };
 
 enum itrace_period_type {
diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h
new file mode 100644
index 000000000000..3cc6bc3263fe
--- /dev/null
+++ b/tools/perf/util/cs-etm.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright(C) 2015 Linaro Limited. All rights reserved.
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDE__UTIL_PERF_CS_ETM_H__
+#define INCLUDE__UTIL_PERF_CS_ETM_H__
+
+/* Versionning header in case things need tro change in the future.  That way
+ * decoding of old snapshot is still possible.
+ */
+enum {
+	/* Starting with 0x0 */
+	CS_HEADER_VERSION_0,
+	/* PMU->type (32 bit), total # of CPUs (32 bit) */
+	CS_PMU_TYPE_CPUS,
+	CS_ETM_SNAPSHOT,
+	CS_HEADER_VERSION_0_MAX,
+};
+
+/* Beginning of header common to both ETMv3 and V4 */
+enum {
+	CS_ETM_MAGIC,
+	CS_ETM_CPU,
+};
+
+/* ETMv3/PTM metadata */
+enum {
+	/* Dynamic, configurable parameters */
+	CS_ETM_ETMCR = CS_ETM_CPU + 1,
+	CS_ETM_ETMTRACEIDR,
+	/* RO, taken from sysFS */
+	CS_ETM_ETMCCER,
+	CS_ETM_ETMIDR,
+	CS_ETM_PRIV_MAX,
+};
+
+/* ETMv4 metadata */
+enum {
+	/* Dynamic, configurable parameters */
+	CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1,
+	CS_ETMV4_TRCTRACEIDR,
+	/* RO, taken from sysFS */
+	CS_ETMV4_TRCIDR0,
+	CS_ETMV4_TRCIDR1,
+	CS_ETMV4_TRCIDR2,
+	CS_ETMV4_TRCIDR8,
+	CS_ETMV4_TRCAUTHSTATUS,
+	CS_ETMV4_PRIV_MAX,
+};
+
+#define KiB(x) ((x) * 1024)
+#define MiB(x) ((x) * 1024 * 1024)
+
+#define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64))
+
+static const u64 __perf_cs_etmv3_magic   = 0x3030303030303030ULL;
+static const u64 __perf_cs_etmv4_magic   = 0x4040404040404040ULL;
+#define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64))
+#define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64))
+
+#endif
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 06/15] perf pmu: Push configuration down to PMU driver
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (4 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 05/15] perf tools: Add coresight etm PMU record capabilities Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 07/15] perf tools: Add PMU configuration to tools Arnaldo Carvalho de Melo
                   ` (9 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

This patch adds a PMU callback and the required mechanic so that drivers
can process the command line configuration elements found in
evsel::config_terms.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-6-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/Build         |  1 +
 tools/perf/util/drv_configs.c | 77 +++++++++++++++++++++++++++++++++++++++++++
 tools/perf/util/drv_configs.h | 26 +++++++++++++++
 tools/perf/util/pmu.h         |  2 ++
 4 files changed, 106 insertions(+)
 create mode 100644 tools/perf/util/drv_configs.c
 create mode 100644 tools/perf/util/drv_configs.h

diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 96f99d608d00..eb60e613d795 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -86,6 +86,7 @@ libperf-y += term.o
 libperf-y += help-unknown-cmd.o
 libperf-y += mem-events.o
 libperf-y += vsprintf.o
+libperf-y += drv_configs.o
 
 libperf-$(CONFIG_LIBBPF) += bpf-loader.o
 libperf-$(CONFIG_BPF_PROLOGUE) += bpf-prologue.o
diff --git a/tools/perf/util/drv_configs.c b/tools/perf/util/drv_configs.c
new file mode 100644
index 000000000000..1647f285c629
--- /dev/null
+++ b/tools/perf/util/drv_configs.c
@@ -0,0 +1,77 @@
+/*
+ * drv_configs.h: Interface to apply PMU specific configuration
+ * Copyright (c) 2016-2018, Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#include "drv_configs.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "pmu.h"
+
+static int
+perf_evsel__apply_drv_configs(struct perf_evsel *evsel,
+			      struct perf_evsel_config_term **err_term)
+{
+	bool found = false;
+	int err = 0;
+	struct perf_evsel_config_term *term;
+	struct perf_pmu *pmu = NULL;
+
+	while ((pmu = perf_pmu__scan(pmu)) != NULL)
+		if (pmu->type == evsel->attr.type) {
+			found = true;
+			break;
+		}
+
+	list_for_each_entry(term, &evsel->config_terms, list) {
+		if (term->type != PERF_EVSEL__CONFIG_TERM_DRV_CFG)
+			continue;
+
+		/*
+		 * We have a configuration term, report an error if we
+		 * can't find the PMU or if the PMU driver doesn't support
+		 * cmd line driver configuration.
+		 */
+		if (!found || !pmu->set_drv_config) {
+			err = -EINVAL;
+			*err_term = term;
+			break;
+		}
+
+		err = pmu->set_drv_config(term);
+		if (err) {
+			*err_term = term;
+			break;
+		}
+	}
+
+	return err;
+}
+
+int perf_evlist__apply_drv_configs(struct perf_evlist *evlist,
+				   struct perf_evsel **err_evsel,
+				   struct perf_evsel_config_term **err_term)
+{
+	struct perf_evsel *evsel;
+	int err = 0;
+
+	evlist__for_each_entry(evlist, evsel) {
+		err = perf_evsel__apply_drv_configs(evsel, err_term);
+		if (err) {
+			*err_evsel = evsel;
+			break;
+		}
+	}
+
+	return err;
+}
diff --git a/tools/perf/util/drv_configs.h b/tools/perf/util/drv_configs.h
new file mode 100644
index 000000000000..32bc9babc2e0
--- /dev/null
+++ b/tools/perf/util/drv_configs.h
@@ -0,0 +1,26 @@
+/*
+ * drv_configs.h: Interface to apply PMU specific configuration
+ * Copyright (c) 2016-2018, Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ */
+
+#ifndef __PERF_DRV_CONFIGS_H
+#define __PERF_DRV_CONFIGS_H
+
+#include "drv_configs.h"
+#include "evlist.h"
+#include "evsel.h"
+
+int perf_evlist__apply_drv_configs(struct perf_evlist *evlist,
+				   struct perf_evsel **err_evsel,
+				   struct perf_evsel_config_term **term);
+#endif
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 5d7e84466bee..743422ad900b 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -4,6 +4,7 @@
 #include <linux/bitmap.h>
 #include <linux/perf_event.h>
 #include <stdbool.h>
+#include "evsel.h"
 #include "parse-events.h"
 
 enum {
@@ -25,6 +26,7 @@ struct perf_pmu {
 	struct list_head format;  /* HEAD struct perf_pmu_format -> list */
 	struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
 	struct list_head list;    /* ELEM */
+	int (*set_drv_config)	(struct perf_evsel_config_term *term);
 };
 
 struct perf_pmu_info {
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 07/15] perf tools: Add PMU configuration to tools
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (5 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 06/15] perf pmu: Push configuration down to PMU driver Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 08/15] perf tools: Add sink configuration for cs_etm PMU Arnaldo Carvalho de Melo
                   ` (8 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

Now that the required mechanic is there to deal with PMU specific
configuration, add the functionality to the tools where events can be
selected.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-7-git-send-email-mathieu.poirier@linaro.org
[ Fix the build on XSI-compliant systems, using str_error_r() to make sure we return a string, not an integer ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-record.c | 10 ++++++++++
 tools/perf/builtin-stat.c   |  9 +++++++++
 tools/perf/builtin-top.c    | 13 +++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 03251c7f14ec..2d0d69be3bf8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -22,6 +22,7 @@
 #include "util/evlist.h"
 #include "util/evsel.h"
 #include "util/debug.h"
+#include "util/drv_configs.h"
 #include "util/session.h"
 #include "util/tool.h"
 #include "util/symbol.h"
@@ -383,6 +384,7 @@ static int record__open(struct record *rec)
 	struct perf_evlist *evlist = rec->evlist;
 	struct perf_session *session = rec->session;
 	struct record_opts *opts = &rec->opts;
+	struct perf_evsel_config_term *err_term;
 	int rc = 0;
 
 	perf_evlist__config(evlist, opts, &callchain_param);
@@ -412,6 +414,14 @@ try_again:
 		goto out;
 	}
 
+	if (perf_evlist__apply_drv_configs(evlist, &pos, &err_term)) {
+		error("failed to set config \"%s\" on event %s with %d (%s)\n",
+		      err_term->val.drv_cfg, perf_evsel__name(pos), errno,
+		      str_error_r(errno, msg, sizeof(msg)));
+		rc = -1;
+		goto out;
+	}
+
 	rc = record__mmap(rec);
 	if (rc)
 		goto out;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 90882b1d6a91..688dea7cb08f 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -52,6 +52,7 @@
 #include "util/evlist.h"
 #include "util/evsel.h"
 #include "util/debug.h"
+#include "util/drv_configs.h"
 #include "util/color.h"
 #include "util/stat.h"
 #include "util/header.h"
@@ -540,6 +541,7 @@ static int __run_perf_stat(int argc, const char **argv)
 	int status = 0;
 	const bool forks = (argc > 0);
 	bool is_pipe = STAT_RECORD ? perf_stat.file.is_pipe : false;
+	struct perf_evsel_config_term *err_term;
 
 	if (interval) {
 		ts.tv_sec  = interval / USEC_PER_MSEC;
@@ -611,6 +613,13 @@ try_again:
 		return -1;
 	}
 
+	if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) {
+		error("failed to set config \"%s\" on event %s with %d (%s)\n",
+		      err_term->val.drv_cfg, perf_evsel__name(counter), errno,
+		      str_error_r(errno, msg, sizeof(msg)));
+		return -1;
+	}
+
 	if (STAT_RECORD) {
 		int err, fd = perf_data_file__fd(&perf_stat.file);
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 400785702566..fe3af9535e85 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -24,6 +24,7 @@
 #include "util/annotate.h"
 #include "util/config.h"
 #include "util/color.h"
+#include "util/drv_configs.h"
 #include "util/evlist.h"
 #include "util/evsel.h"
 #include "util/machine.h"
@@ -913,6 +914,10 @@ static int callchain_param__setup_sample_type(struct callchain_param *callchain)
 
 static int __cmd_top(struct perf_top *top)
 {
+	char msg[512];
+	struct perf_evsel *pos;
+	struct perf_evsel_config_term *err_term;
+	struct perf_evlist *evlist = top->evlist;
 	struct record_opts *opts = &top->record_opts;
 	pthread_t thread;
 	int ret;
@@ -947,6 +952,14 @@ static int __cmd_top(struct perf_top *top)
 	if (ret)
 		goto out_delete;
 
+	ret = perf_evlist__apply_drv_configs(evlist, &pos, &err_term);
+	if (ret) {
+		error("failed to set config \"%s\" on event %s with %d (%s)\n",
+			err_term->val.drv_cfg, perf_evsel__name(pos), errno,
+			str_error_r(errno, msg, sizeof(msg)));
+		goto out_delete;
+	}
+
 	top->session->evlist = top->evlist;
 	perf_session__set_id_hdr_size(top->session);
 
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 08/15] perf tools: Add sink configuration for cs_etm PMU
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (6 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 07/15] perf tools: Add PMU configuration to tools Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 09/15] perf hists: Add __hist_entry__snprintf function Arnaldo Carvalho de Melo
                   ` (7 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Mathieu Poirier, Alexander Shishkin,
	Peter Zijlstra, linux-arm-kernel, Arnaldo Carvalho de Melo

From: Mathieu Poirier <mathieu.poirier@linaro.org>

Using the PMU::set_drv_config() callback to enable the CoreSight sink
that will be used for the trace session.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1474041004-13956-8-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/arch/arm/util/cs-etm.c | 58 +++++++++++++++++++++++++++++++++++++++
 tools/perf/arch/arm/util/cs-etm.h |  3 ++
 tools/perf/arch/arm/util/pmu.c    |  2 ++
 3 files changed, 63 insertions(+)

diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 829c479614f1..47d584da5819 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -27,12 +27,16 @@
 #include "../../util/auxtrace.h"
 #include "../../util/cpumap.h"
 #include "../../util/evlist.h"
+#include "../../util/evsel.h"
 #include "../../util/pmu.h"
 #include "../../util/thread_map.h"
 #include "../../util/cs-etm.h"
 
 #include <stdlib.h>
 
+#define ENABLE_SINK_MAX	128
+#define CS_BUS_DEVICE_PATH "/bus/coresight/devices/"
+
 struct cs_etm_recording {
 	struct auxtrace_record	itr;
 	struct perf_pmu		*cs_etm_pmu;
@@ -557,3 +561,57 @@ struct auxtrace_record *cs_etm_record_init(int *err)
 out:
 	return NULL;
 }
+
+static FILE *cs_device__open_file(const char *name)
+{
+	struct stat st;
+	char path[PATH_MAX];
+	const char *sysfs;
+
+	sysfs = sysfs__mountpoint();
+	if (!sysfs)
+		return NULL;
+
+	snprintf(path, PATH_MAX,
+		 "%s" CS_BUS_DEVICE_PATH "%s", sysfs, name);
+
+	printf("path: %s\n", path);
+
+	if (stat(path, &st) < 0)
+		return NULL;
+
+	return fopen(path, "w");
+
+}
+
+static __attribute__((format(printf, 2, 3)))
+int cs_device__print_file(const char *name, const char *fmt, ...)
+{
+	va_list args;
+	FILE *file;
+	int ret = -EINVAL;
+
+	va_start(args, fmt);
+	file = cs_device__open_file(name);
+	if (file) {
+		ret = vfprintf(file, fmt, args);
+		fclose(file);
+	}
+	va_end(args);
+	return ret;
+}
+
+int cs_etm_set_drv_config(struct perf_evsel_config_term *term)
+{
+	int ret;
+	char enable_sink[ENABLE_SINK_MAX];
+
+	snprintf(enable_sink, ENABLE_SINK_MAX, "%s/%s",
+		 term->val.drv_cfg, "enable_sink");
+
+	ret = cs_device__print_file(enable_sink, "%d", 1);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
diff --git a/tools/perf/arch/arm/util/cs-etm.h b/tools/perf/arch/arm/util/cs-etm.h
index 909f486d02d1..5256741be549 100644
--- a/tools/perf/arch/arm/util/cs-etm.h
+++ b/tools/perf/arch/arm/util/cs-etm.h
@@ -18,6 +18,9 @@
 #ifndef INCLUDE__PERF_CS_ETM_H__
 #define INCLUDE__PERF_CS_ETM_H__
 
+#include "../../util/evsel.h"
+
 struct auxtrace_record *cs_etm_record_init(int *err);
+int cs_etm_set_drv_config(struct perf_evsel_config_term *term);
 
 #endif
diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
index af9fb666b44f..98d67399a0d6 100644
--- a/tools/perf/arch/arm/util/pmu.c
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -19,6 +19,7 @@
 #include <linux/coresight-pmu.h>
 #include <linux/perf_event.h>
 
+#include "cs-etm.h"
 #include "../../util/pmu.h"
 
 struct perf_event_attr
@@ -28,6 +29,7 @@ struct perf_event_attr
 	if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
 		/* add ETM default config here */
 		pmu->selectable = true;
+		pmu->set_drv_config = cs_etm_set_drv_config;
 	}
 #endif
 	return NULL;
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 09/15] perf hists: Add __hist_entry__snprintf function
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (7 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 08/15] perf tools: Add sink configuration for cs_etm PMU Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 10/15] perf tools: Make reset_dimensions global Arnaldo Carvalho de Melo
                   ` (6 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Add __hist_entry__snprintf() to take a perf_hpp_list as an argument
instead of using he->hists->hpp_list.

This way we can display arbitrary list of entries regardless of the
hists setup, which will be useful in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/stdio/hist.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index c8dca34585ea..189665c315cc 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -373,7 +373,8 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
 	return 0;
 }
 
-static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
+static int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
+				  struct perf_hpp_list *hpp_list)
 {
 	const char *sep = symbol_conf.field_sep;
 	struct perf_hpp_fmt *fmt;
@@ -384,7 +385,7 @@ static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
 	if (symbol_conf.exclude_other && !he->parent)
 		return 0;
 
-	hists__for_each_format(he->hists, fmt) {
+	perf_hpp_list__for_each_format(hpp_list, fmt) {
 		if (perf_hpp__should_skip(fmt, he->hists))
 			continue;
 
@@ -410,6 +411,11 @@ static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
 	return hpp->buf - start;
 }
 
+static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp)
+{
+	return __hist_entry__snprintf(he, hpp, he->hists->hpp_list);
+}
+
 static int hist_entry__hierarchy_fprintf(struct hist_entry *he,
 					 struct perf_hpp *hpp,
 					 struct hists *hists,
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 10/15] perf tools: Make reset_dimensions global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (8 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 09/15] perf hists: Add __hist_entry__snprintf function Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 11/15] perf tools: Make output_field_add and sort_dimension__add global Arnaldo Carvalho de Melo
                   ` (5 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/sort.c | 2 +-
 tools/perf/util/sort.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 1884d7f9b9d2..9e1f6f75a50f 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2748,7 +2748,7 @@ static int setup_output_list(struct perf_hpp_list *list, char *str)
 	return ret;
 }
 
-static void reset_dimensions(void)
+void reset_dimensions(void)
 {
 	unsigned int i;
 
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 9505483cb95c..4efadc1e98c5 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -269,4 +269,5 @@ int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, i
 bool is_strict_order(const char *order);
 
 int hpp_dimension__add_output(unsigned col);
+void reset_dimensions(void);
 #endif	/* __PERF_SORT_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 11/15] perf tools: Make output_field_add and sort_dimension__add global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (9 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 10/15] perf tools: Make reset_dimensions global Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 12/15] perf tools: Make several sorting functions global Arnaldo Carvalho de Melo
                   ` (4 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/sort.c | 8 ++++----
 tools/perf/util/sort.h | 4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 9e1f6f75a50f..9f7c1ea9e3ad 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2308,9 +2308,9 @@ int hpp_dimension__add_output(unsigned col)
 	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
 }
 
-static int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
-			       struct perf_evlist *evlist,
-			       int level)
+int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
+			struct perf_evlist *evlist,
+			int level)
 {
 	unsigned int i;
 
@@ -2685,7 +2685,7 @@ void sort__setup_elide(FILE *output)
 	}
 }
 
-static int output_field_add(struct perf_hpp_list *list, char *tok)
+int output_field_add(struct perf_hpp_list *list, char *tok)
 {
 	unsigned int i;
 
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 4efadc1e98c5..e93b0fa43704 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -270,4 +270,8 @@ bool is_strict_order(const char *order);
 
 int hpp_dimension__add_output(unsigned col);
 void reset_dimensions(void);
+int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
+			struct perf_evlist *evlist,
+			int level);
+int output_field_add(struct perf_hpp_list *list, char *tok);
 #endif	/* __PERF_SORT_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 12/15] perf tools: Make several sorting functions global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (10 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 11/15] perf tools: Make output_field_add and sort_dimension__add global Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 13/15] perf tools: Make several display " Arnaldo Carvalho de Melo
                   ` (3 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/sort.c | 6 +++---
 tools/perf/util/sort.h | 6 ++++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 9f7c1ea9e3ad..452e15a10dd2 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -867,7 +867,7 @@ struct sort_entry sort_cycles = {
 };
 
 /* --sort daddr_sym */
-static int64_t
+int64_t
 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	uint64_t l = 0, r = 0;
@@ -896,7 +896,7 @@ static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
 					 width);
 }
 
-static int64_t
+int64_t
 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	uint64_t l = 0, r = 0;
@@ -1062,7 +1062,7 @@ static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
 	return repsep_snprintf(bf, size, "%-*s", width, out);
 }
 
-static int64_t
+int64_t
 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	u64 l, r;
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index e93b0fa43704..099c97557d33 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -274,4 +274,10 @@ int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
 			struct perf_evlist *evlist,
 			int level);
 int output_field_add(struct perf_hpp_list *list, char *tok);
+int64_t
+sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
+int64_t
+sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
+int64_t
+sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
 #endif	/* __PERF_SORT_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 13/15] perf tools: Make several display functions global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (11 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 12/15] perf tools: Make several sorting functions global Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 14/15] perf hists: Make __hist_entry__snprintf function global Arnaldo Carvalho de Melo
                   ` (2 subsequent siblings)
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-8-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/browsers/hists.c | 2 +-
 tools/perf/ui/hist.c           | 2 +-
 tools/perf/util/hist.h         | 2 ++
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index a6d5d248b8fb..fb8e42c7507a 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1080,7 +1080,7 @@ struct hpp_arg {
 	bool current_entry;
 };
 
-static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
+int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...)
 {
 	struct hpp_arg *arg = hpp->ptr;
 	int ret, len;
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 60c4a4d08374..37388397b5bc 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -237,7 +237,7 @@ static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 	return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 }
 
-static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
+int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 {
 	va_list args;
 	ssize_t ssize = hpp->size;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index defa957f27df..6150b94e0d23 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -485,5 +485,7 @@ static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
 #define HIERARCHY_INDENT  3
 
 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
+int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
+int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
 
 #endif	/* __PERF_HIST_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 14/15] perf hists: Make __hist_entry__snprintf function global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (12 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 13/15] perf tools: Make several display " Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-22 21:12 ` [PATCH 15/15] perf hists: Make hists__fprintf_headers " Arnaldo Carvalho de Melo
  2016-09-23  5:22 ` [GIT PULL 00/15] perf/core improvements and fixes Ingo Molnar
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-9-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/stdio/hist.c | 4 ++--
 tools/perf/util/hist.h     | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 189665c315cc..a2a50ef4176d 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -373,8 +373,8 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
 	return 0;
 }
 
-static int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
-				  struct perf_hpp_list *hpp_list)
+int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
+			   struct perf_hpp_list *hpp_list)
 {
 	const char *sep = symbol_conf.field_sep;
 	struct perf_hpp_fmt *fmt;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 6150b94e0d23..ecc4c0c5ce18 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -487,5 +487,7 @@ static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
+int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
+			   struct perf_hpp_list *hpp_list);
 
 #endif	/* __PERF_HIST_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* [PATCH 15/15] perf hists: Make hists__fprintf_headers function global
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (13 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 14/15] perf hists: Make __hist_entry__snprintf function global Arnaldo Carvalho de Melo
@ 2016-09-22 21:12 ` Arnaldo Carvalho de Melo
  2016-09-23  5:22 ` [GIT PULL 00/15] perf/core improvements and fixes Ingo Molnar
  15 siblings, 0 replies; 17+ messages in thread
From: Arnaldo Carvalho de Melo @ 2016-09-22 21:12 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Jiri Olsa, Andi Kleen, David Ahern, Don Zickus,
	Joe Mario, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

From: Jiri Olsa <jolsa@kernel.org>

Will be used from external places in the upcoming c2c patch series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-10-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/ui/stdio/hist.c | 2 +-
 tools/perf/util/hist.h     | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index a2a50ef4176d..89d8441f9890 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -702,7 +702,7 @@ hists__fprintf_standard_headers(struct hists *hists,
 	return hpp_list->nr_header_lines + 2;
 }
 
-static int hists__fprintf_headers(struct hists *hists, FILE *fp)
+int hists__fprintf_headers(struct hists *hists, FILE *fp)
 {
 	char bf[1024];
 	struct perf_hpp dummy_hpp = {
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index ecc4c0c5ce18..9928fed8bc59 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -489,5 +489,6 @@ int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
 int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
 			   struct perf_hpp_list *hpp_list);
+int hists__fprintf_headers(struct hists *hists, FILE *fp);
 
 #endif	/* __PERF_HIST_H */
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 17+ messages in thread

* Re: [GIT PULL 00/15] perf/core improvements and fixes
  2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
                   ` (14 preceding siblings ...)
  2016-09-22 21:12 ` [PATCH 15/15] perf hists: Make hists__fprintf_headers " Arnaldo Carvalho de Melo
@ 2016-09-23  5:22 ` Ingo Molnar
  15 siblings, 0 replies; 17+ messages in thread
From: Ingo Molnar @ 2016-09-23  5:22 UTC (permalink / raw)
  To: Arnaldo Carvalho de Melo
  Cc: linux-kernel, Arnaldo Carvalho de Melo, Adrian Hunter,
	Alexander Shishkin, Andi Kleen, David Ahern, Don Zickus,
	Jiri Olsa, Joe Mario, linux-arm-kernel, Mathieu Poirier,
	Namhyung Kim, Peter Zijlstra


* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

> From: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 89f1c2c59c4aef8e26edbc7db5175e6ffb0e9ec7:
> 
>   Merge tag 'perf-core-for-mingo-20160920' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-09-20 23:32:02 +0200)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-20160922
> 
> for you to fetch changes up to 2d831454140f28fa643b78deede4511b9e2c9e5f:
> 
>   perf hists: Make hists__fprintf_headers function global (2016-09-22 13:08:59 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements:
> 
> New features:
> 
> - Add support for interacting with Coresight PMU ETMs/PTMs, that are IP blocks
>   to perform hardware assisted tracing on a ARM CPU core (Mathieu Poirier)
> 
> Infrastructure:
> 
> - Histogram prep work for the upcoming c2c tool (Jiri Olsa)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> ----------------------------------------------------------------
> Jiri Olsa (9):
>       perf evsel: Remove superfluous initialization of weight
>       perf hists: Use bigger buffer for stdio headers
>       perf hists: Add __hist_entry__snprintf function
>       perf tools: Make reset_dimensions global
>       perf tools: Make output_field_add and sort_dimension__add global
>       perf tools: Make several sorting functions global
>       perf tools: Make several display functions global
>       perf hists: Make __hist_entry__snprintf function global
>       perf hists: Make hists__fprintf_headers function global
> 
> Mathieu Poirier (6):
>       perf tools: Confine __get_cpuid() to x86 architecture
>       perf tools: Make coresight PMU listable
>       perf tools: Add coresight etm PMU record capabilities
>       perf pmu: Push configuration down to PMU driver
>       perf tools: Add PMU configuration to tools
>       perf tools: Add sink configuration for cs_etm PMU
> 
>  MAINTAINERS                         |   5 +
>  tools/perf/Makefile.config          |  11 +-
>  tools/perf/arch/arm/util/Build      |   2 +
>  tools/perf/arch/arm/util/auxtrace.c |  54 ++++
>  tools/perf/arch/arm/util/cs-etm.c   | 617 ++++++++++++++++++++++++++++++++++++
>  tools/perf/arch/arm/util/cs-etm.h   |  26 ++
>  tools/perf/arch/arm/util/pmu.c      |  36 +++
>  tools/perf/arch/arm64/util/Build    |   4 +
>  tools/perf/builtin-record.c         |  10 +
>  tools/perf/builtin-stat.c           |   9 +
>  tools/perf/builtin-top.c            |  13 +
>  tools/perf/ui/browsers/hists.c      |   2 +-
>  tools/perf/ui/hist.c                |   2 +-
>  tools/perf/ui/stdio/hist.c          |  14 +-
>  tools/perf/util/Build               |   1 +
>  tools/perf/util/auxtrace.c          |   1 +
>  tools/perf/util/auxtrace.h          |   1 +
>  tools/perf/util/cs-etm.h            |  74 +++++
>  tools/perf/util/drv_configs.c       |  77 +++++
>  tools/perf/util/drv_configs.h       |  26 ++
>  tools/perf/util/evsel.c             |   2 -
>  tools/perf/util/hist.h              |   5 +
>  tools/perf/util/pmu.h               |   2 +
>  tools/perf/util/sort.c              |  16 +-
>  tools/perf/util/sort.h              |  11 +
>  25 files changed, 1001 insertions(+), 20 deletions(-)
>  create mode 100644 tools/perf/arch/arm/util/auxtrace.c
>  create mode 100644 tools/perf/arch/arm/util/cs-etm.c
>  create mode 100644 tools/perf/arch/arm/util/cs-etm.h
>  create mode 100644 tools/perf/arch/arm/util/pmu.c
>  create mode 100644 tools/perf/util/cs-etm.h
>  create mode 100644 tools/perf/util/drv_configs.c
>  create mode 100644 tools/perf/util/drv_configs.h
> 
>   [root@zoo ~]# time dm
>    1  73.911 alpine:3.4: Ok
>    2  26.890 android-ndk:r12b-arm: Ok
>    3  77.833 archlinux:latest: Ok
>    4  40.814 centos:5: Ok
>    5  64.151 centos:6: Ok
>    6  75.720 centos:7: Ok
>    7  68.960 debian:7: Ok
>    8  75.606 debian:8: Ok
>    9  75.127 fedora:20: Ok
>   10  80.186 fedora:21: Ok
>   11  80.157 fedora:22: Ok
>   12  83.273 fedora:23: Ok
>   13  91.566 fedora:24: Ok
>   14  37.720 fedora:24-x-ARC-uClibc: Ok
>   15  98.492 fedora:rawhide: Ok
>   16 100.555 mageia:5: Ok
>   17  94.140 opensuse:13.2: Ok
>   18  95.476 opensuse:42.1: Ok
>   19 106.037 opensuse:tumbleweed: Ok
>   20  75.951 ubuntu:12.04.5: Ok
>   21  52.138 ubuntu:14.04: Ok
>   22  94.814 ubuntu:14.04.4: Ok
>   23  100.525 ubuntu:15.10: Ok
>   24  93.813 ubuntu:16.04: Ok
>   25  85.214 ubuntu:16.04-x-arm: Ok
>   26  83.487 ubuntu:16.04-x-arm64: Ok
>   27  82.918 ubuntu:16.04-x-powerpc64: Ok
>   28  84.189 ubuntu:16.04-x-powerpc64el: Ok
>   29  93.162 ubuntu:16.10: Ok
>   
>   real	38m13.568s
>   user	0m2.379s
>   sys	0m2.402s
>   [root@zoo ~]# 
> 
>   [root@jouet ~]# perf test
>    1: vmlinux symtab matches kallsyms                          : Ok
>    2: detect openat syscall event                              : Ok
>    3: detect openat syscall event on all cpus                  : Ok
>    4: read samples using the mmap interface                    : Ok
>    5: parse events tests                                       : Ok
>    6: Validate PERF_RECORD_* events & perf_sample fields       : Ok
>    7: Test perf pmu format parsing                             : Ok
>    8: Test dso data read                                       : Ok
>    9: Test dso data cache                                      : Ok
>   10: Test dso data reopen                                     : Ok
>   11: roundtrip evsel->name check                              : Ok
>   12: Check parsing of sched tracepoints fields                : Ok
>   13: Generate and check syscalls:sys_enter_openat event fields: Ok
>   14: struct perf_event_attr setup                             : Ok
>   15: Test matching and linking multiple hists                 : Ok
>   16: Try 'import perf' in python, checking link problems      : Ok
>   17: Test breakpoint overflow signal handler                  : Ok
>   18: Test breakpoint overflow sampling                        : Ok
>   19: Test number of exit event of a simple workload           : Ok
>   20: Test software clock events have valid period values      : Ok
>   21: Test object code reading                                 : Ok
>   22: Test sample parsing                                      : Ok
>   23: Test using a dummy software event to keep tracking       : Ok
>   24: Test parsing with no sample_id_all bit set               : Ok
>   25: Test filtering hist entries                              : Ok
>   26: Test mmap thread lookup                                  : Ok
>   27: Test thread mg sharing                                   : Ok
>   28: Test output sorting of hist entries                      : Ok
>   29: Test cumulation of child hist entries                    : Ok
>   30: Test tracking with sched_switch                          : Ok
>   31: Filter fds with revents mask in a fdarray                : Ok
>   32: Add fd to a fdarray, making it autogrow                  : Ok
>   33: Test kmod_path__parse function                           : Ok
>   34: Test thread map                                          : Ok
>   35: Test LLVM searching and compiling                        :
>   35.1: Basic BPF llvm compiling test                          : Ok
>   35.2: Test kbuild searching                                  : Ok
>   35.3: Compile source for BPF prologue generation test        : Ok
>   35.4: Compile source for BPF relocation test                 : Ok
>   36: Test topology in session                                 : Ok
>   37: Test BPF filter                                          :
>   37.1: Test basic BPF filtering                               : Ok
>   37.2: Test BPF prologue generation                           : Ok
>   37.3: Test BPF relocation checker                            : Ok
>   38: Test thread map synthesize                               : Ok
>   39: Test cpu map synthesize                                  : Ok
>   40: Test stat config synthesize                              : Ok
>   41: Test stat synthesize                                     : Ok
>   42: Test stat round synthesize                               : Ok
>   43: Test attr update synthesize                              : Ok
>   44: Test events times                                        : Ok
>   45: Test backward reading from ring buffer                   : Ok
>   46: Test cpu map print                                       : Ok
>   47: Test SDT event probing                                   : Ok
>   48: Test is_printable_array function                         : Ok
>   49: Test bitmap print                                        : Ok
>   50: x86 rdpmc test                                           : Ok
>   51: Test converting perf time to TSC                         : Ok
>   52: Test dwarf unwind                                        : Ok
>   53: Test x86 instruction decoder - new instructions          : Ok
>   54: Test intel cqm nmi context read                          : Skip
>   [root@jouet ~]#

Pulled, thanks a lot Arnaldo!

	Ingo

^ permalink raw reply	[flat|nested] 17+ messages in thread

end of thread, other threads:[~2016-09-23  5:23 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-22 21:12 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 01/15] perf evsel: Remove superfluous initialization of weight Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 02/15] perf hists: Use bigger buffer for stdio headers Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 03/15] perf tools: Confine __get_cpuid() to x86 architecture Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 04/15] perf tools: Make coresight PMU listable Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 05/15] perf tools: Add coresight etm PMU record capabilities Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 06/15] perf pmu: Push configuration down to PMU driver Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 07/15] perf tools: Add PMU configuration to tools Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 08/15] perf tools: Add sink configuration for cs_etm PMU Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 09/15] perf hists: Add __hist_entry__snprintf function Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 10/15] perf tools: Make reset_dimensions global Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 11/15] perf tools: Make output_field_add and sort_dimension__add global Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 12/15] perf tools: Make several sorting functions global Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 13/15] perf tools: Make several display " Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 14/15] perf hists: Make __hist_entry__snprintf function global Arnaldo Carvalho de Melo
2016-09-22 21:12 ` [PATCH 15/15] perf hists: Make hists__fprintf_headers " Arnaldo Carvalho de Melo
2016-09-23  5:22 ` [GIT PULL 00/15] perf/core improvements and fixes Ingo Molnar

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