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perf tests: Fix Track with sched_switch test for hybrid case 

If cpu_core PMU event fails to parse, try also cpu_atom PMU event when
parsing cycles event.

Fixes: 43eb05d066 ("perf tests: Support 'Track with sched_switch' test for hybrid")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220809080702.6921-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2022-08-09 11:07:01 +03:00 committed by Arnaldo Carvalho de Melo
parent 2e828582b8
commit 1da1d60774
1 changed files with 13 additions and 5 deletions
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18
tools/perf/tests/switch-tracking.c
View File

@ -324,6 +324,7 @@ out_free_nodes:
static int test__switch_tracking(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
const char *sched_switch = "sched:sched_switch";
const char *cycles = "cycles:u";
struct switch_tracking switch_tracking = { .tids = NULL, };
struct record_opts opts = {
.mmap_pages = UINT_MAX,
@ -372,12 +373,19 @@ static int test__switch_tracking(struct test_suite *test __maybe_unused, int sub
cpu_clocks_evsel = evlist__last(evlist);
/* Second event */
if (perf_pmu__has_hybrid())
err = parse_events(evlist, "cpu_core/cycles/u", NULL);
else
err = parse_events(evlist, "cycles:u", NULL);
if (perf_pmu__has_hybrid()) {
cycles = "cpu_core/cycles/u";
err = parse_events(evlist, cycles, NULL);
if (err) {
cycles = "cpu_atom/cycles/u";
pr_debug("Trying %s\n", cycles);
err = parse_events(evlist, cycles, NULL);
}
} else {
err = parse_events(evlist, cycles, NULL);
}
if (err) {
pr_debug("Failed to parse event cycles:u\n");
pr_debug("Failed to parse event %s\n", cycles);
goto out_err;
}