From: Adrian Hunter adrian.hunter@intel.com
commit 1da1d60774014137d776d0400fdf2f1779d8d4d5 upstream.
If cpu_core PMU event fails to parse, try also cpu_atom PMU event when parsing cycles event.
Fixes: 43eb05d066795bdf ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/perf/tests/switch-tracking.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)
--- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -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 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; }