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authorAdrian Hunter <adrian.hunter@intel.com>2013-06-28 16:22:19 +0300
committerIngo Molnar <mingo@kernel.org>2013-07-23 12:17:59 +0200
commit3bd5a5fc8c6b9fe769777abf74b0ab5fbd7930b4 (patch)
treeac509b983fe147d6706449c3bc14031591807585 /tools/perf/tests/tests.h
parentc73deb6aecda2955716f31572516f09d930ef450 (diff)
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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.h1
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 */