perf tests: Support 'Track with sched_switch' test for hybrid
authorJin Yao <yao.jin@linux.intel.com>
Tue, 27 Apr 2021 07:01:34 +0000 (15:01 +0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 29 Apr 2021 13:31:00 +0000 (10:31 -0300)
Since for "cycles:u' on hybrid platform, it creates two "cycles".
So the number of events in evlist is not expected in next test
steps. Now we just use one event "cpu_core/cycles:u/" for hybrid.

  # ./perf test 35
  35: Track with sched_switch                                         : 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/20210427070139.25256-22-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/tests/switch-tracking.c

index 3ebaa75..62c0ec2 100644 (file)
@@ -18,6 +18,7 @@
 #include "record.h"
 #include "tests.h"
 #include "util/mmap.h"
+#include "pmu.h"
 
 static int spin_sleep(void)
 {
@@ -371,7 +372,10 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_
        cpu_clocks_evsel = evlist__last(evlist);
 
        /* Second event */
-       err = parse_events(evlist, "cycles:u", NULL);
+       if (perf_pmu__has_hybrid())
+               err = parse_events(evlist, "cpu_core/cycles/u", NULL);
+       else
+               err = parse_events(evlist, "cycles:u", NULL);
        if (err) {
                pr_debug("Failed to parse event cycles:u\n");
                goto out_err;