From: Masami Hiramatsu <mhiramat@kernel.org>
To: Shuah Khan <shuah@kernel.org>, Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 15/32] selftests/ftrace: Test kprobe-event argument with various bitsize
Date: Fri, 17 Aug 2018 01:36:16 +0900 [thread overview]
Message-ID: <153443737629.23257.14037873975281427056.stgit@devbox> (raw)
In-Reply-To: <153443695002.23257.13628220023468200991.stgit@devbox>
Improve the kprobe-event with argument types testcase
to test it with various bitsize.
kprobe-event argument can be recorded in given types with
various bitsize (8, 16, 32, 64), thus the type testcase
should test the different bitsize too.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
.../ftrace/test.d/kprobe/kprobe_args_type.tc | 48 +++++++++++++-------
1 file changed, 32 insertions(+), 16 deletions(-)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
index 37443dd23d15..1bcb67dcae26 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
@@ -6,29 +6,45 @@
grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue
-echo 'p:testprobe _do_fork $stack0:s32 $stack0:u32 $stack0:x32 $stack0:b8@4/32' > kprobe_events
-grep testprobe kprobe_events
-test -d events/kprobes/testprobe
-
-echo 1 > events/kprobes/testprobe/enable
-( echo "forked")
-echo 0 > events/kprobes/testprobe/enable
-ARGS=`tail -n 1 trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+gen_event() { # Bitsize
+ echo "p:testprobe _do_fork \$stack0:s$1 \$stack0:u$1 \$stack0:x$1 \$stack0:b4@4/$1"
+}
-check_types() {
- X1=`printf "%x" $1 | tail -c 8`
+check_types() { # s-type u-type x-type bf-type width
+ test $# -eq 5
+ CW=$5
+ CW=$((CW / 4))
+ X1=`printf "%x" $1 | tail -c ${CW}`
X2=`printf "%x" $2`
X3=`printf "%x" $3`
test $X1 = $X2
test $X2 = $X3
test 0x$X3 = $3
- B4=`printf "%02x" $4`
- B3=`echo -n $X3 | tail -c 3 | head -c 2`
+ B4=`printf "%1x" $4`
+ B3=`printf "%03x" 0x$X3 | tail -c 2 | head -c 1`
test $B3 = $B4
}
-check_types $ARGS
-echo "-:testprobe" >> kprobe_events
-clear_trace
-test -d events/kprobes/testprobe && exit_fail || exit_pass
+for width in 64 32 16 8; do
+ : "Add new event with basic types"
+ gen_event $width > kprobe_events
+ grep testprobe kprobe_events
+ test -d events/kprobes/testprobe
+
+ : "Trace the event"
+ echo 1 > events/kprobes/testprobe/enable
+ ( echo "forked")
+ echo 0 > events/kprobes/testprobe/enable
+
+ : "Confirm the arguments is recorded in given types correctly"
+ ARGS=`grep "testprobe" trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+ check_types $ARGS $width
+
+ : "Clear event for next loop"
+ echo "-:testprobe" >> kprobe_events
+ clear_trace
+
+done
+
+exit_pass
next prev parent reply other threads:[~2018-08-16 16:36 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-16 16:29 [PATCH v2 00/32] selftests/ftrace: Improve ftracetest with coverage check Masami Hiramatsu
2018-08-16 16:29 ` [PATCH v2 01/32] tracing: Allow gcov profiling on only ftrace subsystem Masami Hiramatsu
2018-08-20 15:32 ` Steven Rostedt
2018-08-20 15:33 ` Steven Rostedt
2018-08-21 6:53 ` Masami Hiramatsu
2018-08-21 7:27 ` [PATCH v2.1] " Masami Hiramatsu
2018-08-21 13:12 ` Steven Rostedt
2018-08-16 16:30 ` [PATCH v2 02/32] selftests/ftrace: Add --stop-fail hidden option for debug Masami Hiramatsu
2018-08-24 20:38 ` Steven Rostedt
2018-08-16 16:30 ` [PATCH v2 03/32] selftests/ftrace: Add --console hidden option Masami Hiramatsu
2018-08-24 20:37 ` Steven Rostedt
2018-08-25 1:35 ` Masami Hiramatsu
2018-08-25 1:42 ` Steven Rostedt
2018-08-26 7:28 ` Masami Hiramatsu
2018-08-16 16:31 ` [PATCH v2 04/32] selftests/ftrace: Add case number prefix to logfile Masami Hiramatsu
2018-08-24 21:47 ` Steven Rostedt
2018-08-16 16:31 ` [PATCH v2 05/32] selftests/ftrace: More initialize features in initialize_ftrace Masami Hiramatsu
2018-08-24 21:24 ` Steven Rostedt
2018-08-24 21:46 ` Steven Rostedt
2018-08-24 21:46 ` Steven Rostedt
2018-08-16 16:32 ` [PATCH v2 06/32] selftests/ftrace: Add SPDX License Identifier to template Masami Hiramatsu
2018-08-16 16:32 ` [PATCH v2 07/32] selftests/ftrace: Cleanup ftrace after running test Masami Hiramatsu
2018-08-16 16:32 ` [PATCH v2 08/32] selftests/ftrace: Remove unneeded per-test init/cleanup ftrace Masami Hiramatsu
2018-08-16 16:33 ` [PATCH v2 09/32] selftests/ftrace: Fix to test kprobe $comm arg only if available Masami Hiramatsu
2018-08-16 16:33 ` [PATCH v2 10/32] selftests/ftrace: Fix checkbashisms errors Masami Hiramatsu
2018-08-24 21:50 ` Steven Rostedt
2018-08-16 16:34 ` [PATCH v2 11/32] selftests/ftrace: Use loopback address instead of localhost Masami Hiramatsu
2018-08-24 21:52 ` Steven Rostedt
2018-08-25 1:47 ` Masami Hiramatsu
2018-08-16 16:34 ` [PATCH v2 12/32] selftests/ftrace: Improve kprobe on module testcase to load/unload module Masami Hiramatsu
2018-08-24 23:07 ` Steven Rostedt
2018-08-16 16:35 ` [PATCH v2 13/32] selftests/ftrace: Improve kprobe testcase to check log data Masami Hiramatsu
2018-08-16 16:35 ` [PATCH v2 14/32] selftests/ftrace: Improve kretprobe " Masami Hiramatsu
2018-08-16 16:36 ` Masami Hiramatsu [this message]
2018-08-16 16:36 ` [PATCH v2 16/32] selftests/ftrace: Check set_event_pid result Masami Hiramatsu
2018-08-16 16:37 ` [PATCH v2 17/32] selftests/ftrace: Add kprobe event with $comm argument testcase Masami Hiramatsu
2018-08-16 16:37 ` [PATCH v2 18/32] selftests/ftrace: Add kprobe profile testcase Masami Hiramatsu
2018-08-16 16:38 ` [PATCH v2 19/32] selftests/ftrace: Add a testcase for nop tracer Masami Hiramatsu
2018-08-24 22:53 ` Steven Rostedt
2018-08-26 7:30 ` Masami Hiramatsu
2018-08-16 16:38 ` [PATCH v2 20/32] selftests/ftrace: Add kprobe-event with symbol argument test Masami Hiramatsu
2018-08-16 16:39 ` [PATCH v2 21/32] selftests/ftrace: Add trace_printk sample module test Masami Hiramatsu
2018-08-24 23:06 ` Steven Rostedt
2018-08-26 8:43 ` Masami Hiramatsu
2018-08-16 16:39 ` [PATCH v2 22/32] selftests/ftrace: Add ringbuffer size changing testcase Masami Hiramatsu
2018-08-24 23:18 ` Steven Rostedt
2018-08-30 7:12 ` Masami Hiramatsu
2018-08-30 15:50 ` Steven Rostedt
2018-08-30 23:35 ` Masami Hiramatsu
2018-08-30 23:40 ` Steven Rostedt
2018-08-16 16:40 ` [PATCH v2 23/32] selftests/ftrace: Add function profiling stat testcase Masami Hiramatsu
2018-08-24 23:20 ` Steven Rostedt
2018-08-26 11:20 ` Masami Hiramatsu
2018-08-16 16:40 ` [PATCH v2 24/32] selftests/ftrace: Add max stack tracer testcase Masami Hiramatsu
2018-08-24 23:23 ` Steven Rostedt
2018-08-25 1:45 ` Masami Hiramatsu
2018-08-25 2:41 ` Steven Rostedt
2018-08-26 8:42 ` Masami Hiramatsu
2018-08-16 16:40 ` [PATCH v2 25/32] selftests/ftrace: Add function filter on module testcase Masami Hiramatsu
2018-08-24 23:25 ` Steven Rostedt
2018-08-16 16:41 ` [PATCH v2 26/32] selftests/ftrace: Add trace_pipe testcase Masami Hiramatsu
2018-08-24 23:26 ` Steven Rostedt
2018-08-26 11:20 ` Masami Hiramatsu
2018-08-16 16:41 ` [PATCH v2 27/32] selftests/ftrace: Add stacktrace ftrace filter command testcase Masami Hiramatsu
2018-08-24 23:28 ` Steven Rostedt
2018-08-16 16:42 ` [PATCH v2 28/32] selftests/ftrace: Add wakeup tracer testcase Masami Hiramatsu
2018-08-16 16:42 ` [PATCH v2 29/32] selftests/ftrace: Add wakeup_rt " Masami Hiramatsu
2018-08-25 2:09 ` Steven Rostedt
2018-08-26 11:22 ` Masami Hiramatsu
2018-08-16 16:43 ` [PATCH v2 30/32] selftests/ftrace: Add ftrace cpumask testcase Masami Hiramatsu
2018-08-25 2:18 ` Steven Rostedt
2018-08-27 12:16 ` Masami Hiramatsu
2018-08-16 16:43 ` [PATCH v2 31/32] selftests/ftrace: Add output format testcase Masami Hiramatsu
2018-08-25 2:19 ` Steven Rostedt
2018-08-30 7:48 ` Masami Hiramatsu
2018-08-16 16:44 ` [PATCH v2 32/32] selftests/ftrace: Add blktrace testcase Masami Hiramatsu
2018-08-25 2:22 ` Steven Rostedt
2018-08-30 7:53 ` Masami Hiramatsu
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