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| author |  Ian Rogers <irogers@google.com>
| 2023-05-31 19:36:43 -0700 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2023-06-01 17:20:19 -0300 |
| commit | 68c250434125f94dddcff7e9faf392fa96773ac3 (patch) | |
| tree | 10f847caad6a84f9c24f492856c40314cbc55714 /tools/perf/util/pmu.c | |
| parent | perf test: Update parse-events expectations to test for multiple events (diff) | |
| download | linux-68c250434125f94dddcff7e9faf392fa96773ac3.tar.gz linux-68c250434125f94dddcff7e9faf392fa96773ac3.tar.bz2 linux-68c250434125f94dddcff7e9faf392fa96773ac3.zip | |
perf pmu: Only warn about unsupported formats once
Avoid scanning format list for each event parsed.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20230601023644.587584-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/pmu.c')
| -rw-r--r-- | tools/perf/util/pmu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 1dd44b2f73f3..4218b5235b3d 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -934,6 +934,11 @@ void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu) { struct perf_pmu_format *format; + if (pmu->formats_checked) + return; + + pmu->formats_checked = true; + /* fake pmu doesn't have format list */ if (pmu == &perf_pmu__fake) return; |