diff options
| 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/builtin-test.c | |
| parent | c73deb6aecda2955716f31572516f09d930ef450 (diff) | |
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/builtin-test.c')
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 35b45f1466b5..b7b4049fabbb 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -93,6 +93,12 @@ static struct test { .desc = "Test software clock events have valid period values", .func = test__sw_clock_freq, }, +#if defined(__x86_64__) || defined(__i386__) + { + .desc = "Test converting perf time to TSC", + .func = test__perf_time_to_tsc, + }, +#endif { .func = NULL, }, |