diff options
| author | Jin Yao <yao.jin@linux.intel.com> | 2021-04-27 09:01:37 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-04-29 15:31:00 +0200 |
| commit | d9da6f70eb23511007cc6ed0aba02d9f61b3d6cf (patch) | |
| tree | 3ab23ed808cd10c697fd1aefffb32956bad342a0 /tools/perf/tests/perf-time-to-tsc.c | |
| parent | perf tests: Support 'Session topology' test for hybrid (diff) | |
| download | linux-d9da6f70eb23511007cc6ed0aba02d9f61b3d6cf.tar.xz linux-d9da6f70eb23511007cc6ed0aba02d9f61b3d6cf.zip | |
perf tests: Support 'Convert perf time to TSC' test for hybrid
Since for "cycles:u' on hybrid platform, it creates two "cycles". So
the second evsel in evlist also needs initialization.
With this patch,
# ./perf test 71
71: Convert perf time to TSC : Ok
Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210427070139.25256-25-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/perf-time-to-tsc.c')
| -rw-r--r-- | tools/perf/tests/perf-time-to-tsc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c index 680c3cffb128..85d75b9b25a1 100644 --- a/tools/perf/tests/perf-time-to-tsc.c +++ b/tools/perf/tests/perf-time-to-tsc.c @@ -20,6 +20,7 @@ #include "tsc.h" #include "mmap.h" #include "tests.h" +#include "pmu.h" #define CHECK__(x) { \ while ((x) < 0) { \ @@ -88,6 +89,17 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe evsel->core.attr.disabled = 1; evsel->core.attr.enable_on_exec = 0; + /* + * For hybrid "cycles:u", it creates two events. + * Init the second evsel here. + */ + if (perf_pmu__has_hybrid()) { + evsel = evsel__next(evsel); + evsel->core.attr.comm = 1; + evsel->core.attr.disabled = 1; + evsel->core.attr.enable_on_exec = 0; + } + CHECK__(evlist__open(evlist)); CHECK__(evlist__mmap(evlist, UINT_MAX)); |