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perf tests: Fix 'Roundtrip evsel->name' on core-only system

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If the atom CPUs are offlined, the 'cpu_atom' is not valid.
Perf will not create two events for one hw event, so the
evsel->idx doesn't need to be divided by 2 before comparing.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210708013701.20347-4-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jin Yao 2021-07-08 09:37:00 +08:00 committed by Arnaldo Carvalho de Melo
parent 490e9a8fb4
commit 212f3d97ab
1 changed files with 2 additions and 1 deletions
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3
tools/perf/tests/evsel-roundtrip-name.c
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@ -5,6 +5,7 @@
#include "tests.h"
#include "debug.h"
#include "pmu.h"
#include "pmu-hybrid.h"
#include <errno.h>
#include <linux/kernel.h>
@ -102,7 +103,7 @@ int test__perf_evsel__roundtrip_name_test(struct test *test __maybe_unused, int
{
int err = 0, ret = 0;
if (perf_pmu__has_hybrid())
if (perf_pmu__has_hybrid() && perf_pmu__hybrid_mounted("cpu_atom"))
return perf_evsel__name_array_test(evsel__hw_names, 2);
err = perf_evsel__name_array_test(evsel__hw_names, 1);