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author | Adrian Hunter <adrian.hunter@intel.com> | 2022-08-09 10:07:01 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-08-10 19:29:46 +0200 |
commit | 1da1d60774014137d776d0400fdf2f1779d8d4d5 (patch) | |
tree | ee4b51b07be1bf22a93a722596c708817e93f7cb /tools/perf/tests/switch-tracking.c | |
parent | perf parse-events: Fix segfault when event parser gets an error (diff) | |
download | linux-1da1d60774014137d776d0400fdf2f1779d8d4d5.tar.xz linux-1da1d60774014137d776d0400fdf2f1779d8d4d5.zip |
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>
Diffstat (limited to 'tools/perf/tests/switch-tracking.c')
-rw-r--r-- | tools/perf/tests/switch-tracking.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index 0c0c2328bf4e..6f53bee33f7c 100644 --- 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; } |