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| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-06-28 16:22:19 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-07-23 12:17:59 +0200 |
| commit | 3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4 (patch) | |
| tree | ac509b983fe147d6706449c3bc14031591807585 /tools/perf/tests/tests.h | |
| parent | c73deb6aecda2955716f31572516f09d930ef450 (diff) | |
| download | linux-3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4.tar.gz linux-3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4.tar.bz2 linux-3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4.zip | |
perf tools: Add test for converting perf time to/from TSC
The test uses the newly added cap_usr_time_zero and time_zero of
perf_event_mmap_page. TSC from rdtsc is compared with the time
from 2 perf events. The test passes if the calculated times are
all in the correct order.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1372425741-1676-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/tests/tests.h')
| -rw-r--r-- | tools/perf/tests/tests.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 07a92f9c6712..d22202aa16e9 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -35,5 +35,6 @@ int test__bp_signal(void); int test__bp_signal_overflow(void); int test__task_exit(void); int test__sw_clock_freq(void); +int test__perf_time_to_tsc(void); #endif /* TESTS_H */ |