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| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2016-03-03 19:55:03 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-04-20 00:56:04 +0200 |
| commit | 93c5f671f25cb7a73492b7a96b426c4fb1efa715 (patch) | |
| tree | d1387bed1932eb67385fdeac124cddcde7aa3e1b /tools | |
| parent | tracing: Add hist trigger 'log2' modifier (diff) | |
| download | linux-93c5f671f25cb7a73492b7a96b426c4fb1efa715.tar.xz linux-93c5f671f25cb7a73492b7a96b426c4fb1efa715.zip | |
kselftests/ftrace: Add a test for log2 modifier of hist trigger
Add a test for log2 modifier of hist trigger in hist_mod.tc.
Here is the test result.
----
# ./ftracetest test.d/trigger/trigger-hist-mod.tc
=== Ftrace unit tests ===
[1] event trigger - test histogram modifiers [PASS]
# of passed: 1
# of failed: 0
# of unresolved: 0
# of untested: 0
# of unsupported: 0
# of xfailed: 0
# of undefined(test bug): 0
----
Link: http://lkml.kernel.org/r/3f1ab735c06a50b1b40d3e96b8b6a3e5ea62fd86.1457029949.git.tom.zanussi@linux.intel.com
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Tested-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc index 57e350a0bcca..c2b61c4fda11 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc @@ -60,6 +60,16 @@ for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done grep "id: sys_" events/raw_syscalls/sys_exit/hist > /dev/null || \ fail "syscall modifier on raw_syscalls/sys_exit did not work" + +reset_trigger + +echo "Test histgram with log2 modifier" + +echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \ + fail "log2 modifier on kmem/kmalloc did not work" + do_reset exit 0 |