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: 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>

diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 0c0c2328bf4e6e65de76c789812a9f17f856db93..6f53bee33f7cb55234b6a3530b2b211dfdbf2d83 100644 (file)
--- 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 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;
        }