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authorIan Rogers <irogers@google.com>2025-11-14 14:05:46 -0800
committerNamhyung Kim <namhyung@kernel.org>2025-11-19 17:49:45 -0800
commitf0feb21e0a10c50e3a154e9bdf3fbb8a38480251 (patch)
tree771f01438890aca52e99277e75825bcbfb68a21f /tools/perf
parent1a6b0deb2b71d6e94497a284b9babce80b18cc7c (diff)
perf pmu: Add PMU kind to simplify differentiating
Rather than perf_pmu__is_xxx calls, and a notion of kind so that a single call can be used. Signed-off-by: Ian Rogers <irogers@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/pmu.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 1ebcf0242af8..cfcaba3e2e75 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -37,6 +37,19 @@ struct perf_pmu_caps {
struct list_head list;
};
+enum pmu_kind {
+ /* A perf event syscall PMU. */
+ PERF_PMU_KIND_PE,
+ /* A perf tool provided DRM PMU. */
+ PERF_PMU_KIND_DRM,
+ /* A perf tool provided HWMON PMU. */
+ PERF_PMU_KIND_HWMON,
+ /* Perf tool provided PMU for tool events like time. */
+ PERF_PMU_KIND_TOOL,
+ /* A testing PMU kind. */
+ PERF_PMU_KIND_FAKE
+};
+
enum {
PERF_PMU_TYPE_PE_START = 0,
PERF_PMU_TYPE_PE_END = 0xFFFDFFFF,
@@ -306,4 +319,25 @@ void perf_pmu__delete(struct perf_pmu *pmu);
const char *perf_pmu__name_from_config(struct perf_pmu *pmu, u64 config);
bool perf_pmu__is_fake(const struct perf_pmu *pmu);
+static inline enum pmu_kind perf_pmu__kind(const struct perf_pmu *pmu)
+{
+ __u32 type;
+
+ if (!pmu)
+ return PERF_PMU_KIND_PE;
+
+ type = pmu->type;
+ if (type <= PERF_PMU_TYPE_PE_END)
+ return PERF_PMU_KIND_PE;
+ if (type <= PERF_PMU_TYPE_DRM_END)
+ return PERF_PMU_KIND_DRM;
+ if (type <= PERF_PMU_TYPE_DRM_END)
+ return PERF_PMU_KIND_DRM;
+ if (type <= PERF_PMU_TYPE_HWMON_END)
+ return PERF_PMU_KIND_HWMON;
+ if (type == PERF_PMU_TYPE_TOOL)
+ return PERF_PMU_KIND_TOOL;
+ return PERF_PMU_KIND_FAKE;
+}
+
#endif /* __PMU_H */