Commit f0feb21e authored by Ian Rogers's avatar Ian Rogers Committed by Namhyung Kim
Browse files

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: default avatarIan Rogers <irogers@google.com>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent 1a6b0deb

tools/perf/util/pmu.h

+34 −0
Original line number Diff line number Diff line
@@ -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 */