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| author |  Ian Rogers <irogers@google.com>
| 2023-05-27 00:21:59 -0700 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2023-05-27 09:41:09 -0300 |
| commit | abe9544ea78a2e0c3cc92b4410a57a9c0732293f (patch) | |
| tree | b0cab198224fa0538d84fbf84157534011fc3555 /tools/perf/util/pmu.c | |
| parent | perf stat: Avoid hybrid PMU list (diff) | |
| download | linux-abe9544ea78a2e0c3cc92b4410a57a9c0732293f.tar.gz linux-abe9544ea78a2e0c3cc92b4410a57a9c0732293f.tar.bz2 linux-abe9544ea78a2e0c3cc92b4410a57a9c0732293f.zip | |
perf mem: Avoid hybrid PMU list
Add perf_pmu__num_mem_pmus that scans/counts the number of PMUs for
mem events. Switch perf_pmu__for_each_hybrid_pmu to iterating all PMUs
and only handling is_core ones.
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ali Saidi <alisaidi@amazon.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Dmitrii Dolgov <9erthalion6@gmail.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kang Minchul <tegongkang@gmail.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Ming Wang <wangming01@loongson.cn>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230527072210.2900565-24-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 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 5a7bfbf621d0..65daa0cc71d6 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1660,6 +1660,23 @@ bool perf_pmu__auto_merge_stats(const struct perf_pmu *pmu) return !is_pmu_hybrid(pmu->name); } +static bool perf_pmu__is_mem_pmu(const struct perf_pmu *pmu) +{ + return pmu->is_core; +} + +int perf_pmu__num_mem_pmus(void) +{ + struct perf_pmu *pmu = NULL; + int count = 0; + + while ((pmu = perf_pmu__scan(pmu)) != NULL) { + if (perf_pmu__is_mem_pmu(pmu)) + count++; + } + return count; +} + static bool pmu_alias_is_duplicate(struct sevent *alias_a, struct sevent *alias_b) { |