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>
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 07a92f9..d22202a 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -35,5 +35,6 @@
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 */