libperf evsel: Rename own_cpus to pmu_cpus

own_cpus is generally the cpumask from the PMU. Rename to pmu_cpus to
try to make this clearer. Variable rename with no other changes.

Reviewed-by: Thomas Falcon <thomas.falcon@intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: James Clark <james.clark@linaro.org>
Link: https://lore.kernel.org/r/20250719030517.1990983-7-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Author: captain5050

tools/lib/perf/evlist.c

@@ -46,7 +46,7 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
 		 * are valid by intersecting with those of the PMU.
 		 */
 		perf_cpu_map__put(evsel->cpus);
-		evsel->cpus = perf_cpu_map__intersect(evlist->user_requested_cpus, evsel->own_cpus);
+		evsel->cpus = perf_cpu_map__intersect(evlist->user_requested_cpus, evsel->pmu_cpus);
 
 		/*
 		 * Empty cpu lists would eventually get opened as "any" so remove
@@ -61,7 +61,7 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
 				list_for_each_entry_from(next, &evlist->entries, node)
 					next->idx--;
 		}
-	} else if (!evsel->own_cpus || evlist->has_user_cpus ||
+	} else if (!evsel->pmu_cpus || evlist->has_user_cpus ||
 		(!evsel->requires_cpu && perf_cpu_map__has_any_cpu(evlist->user_requested_cpus))) {
 		/*
 		 * The PMU didn't specify a default cpu map, this isn't a core
@@ -72,13 +72,13 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
 		 */
 		perf_cpu_map__put(evsel->cpus);
 		evsel->cpus = perf_cpu_map__get(evlist->user_requested_cpus);
-	} else if (evsel->cpus != evsel->own_cpus) {
+	} else if (evsel->cpus != evsel->pmu_cpus) {
 		/*
 		 * No user requested cpu map but the PMU cpu map doesn't match
 		 * the evsel's. Reset it back to the PMU cpu map.
 		 */
 		perf_cpu_map__put(evsel->cpus);
-		evsel->cpus = perf_cpu_map__get(evsel->own_cpus);
+		evsel->cpus = perf_cpu_map__get(evsel->pmu_cpus);
 	}
 
 	if (evsel->system_wide) {

tools/lib/perf/evsel.c

@@ -46,7 +46,7 @@ void perf_evsel__delete(struct perf_evsel *evsel)
 	assert(evsel->mmap == NULL); /* If not munmap wasn't called. */
 	assert(evsel->sample_id == NULL); /* If not free_id wasn't called. */
 	perf_cpu_map__put(evsel->cpus);
-	perf_cpu_map__put(evsel->own_cpus);
+	perf_cpu_map__put(evsel->pmu_cpus);
 	perf_thread_map__put(evsel->threads);
 	free(evsel);
 }

tools/lib/perf/include/internal/evsel.h

@@ -99,7 +99,7 @@ struct perf_evsel {
 	 * cpu map for opening the event on, for example, the first CPU on a
 	 * socket for an uncore event.
 	 */
-	struct perf_cpu_map	*own_cpus;
+	struct perf_cpu_map	*pmu_cpus;
 	struct perf_thread_map	*threads;
 	struct xyarray		*fd;
 	struct xyarray		*mmap;

tools/perf/tests/event_update.c

@@ -109,8 +109,8 @@ static int test__event_update(struct test_suite *test __maybe_unused, int subtes
 	TEST_ASSERT_VAL("failed to synthesize attr update name",
 			!perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
 
-	perf_cpu_map__put(evsel->core.own_cpus);
-	evsel->core.own_cpus = perf_cpu_map__new("1,2,3");
+	perf_cpu_map__put(evsel->core.pmu_cpus);
+	evsel->core.pmu_cpus = perf_cpu_map__new("1,2,3");
 
 	TEST_ASSERT_VAL("failed to synthesize attr update cpus",
 			!perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus));

tools/perf/util/evsel.c

@@ -488,7 +488,7 @@ struct evsel *evsel__clone(struct evsel *dest, struct evsel *orig)
 		return NULL;
 
 	evsel->core.cpus = perf_cpu_map__get(orig->core.cpus);
-	evsel->core.own_cpus = perf_cpu_map__get(orig->core.own_cpus);
+	evsel->core.pmu_cpus = perf_cpu_map__get(orig->core.pmu_cpus);
 	evsel->core.threads = perf_thread_map__get(orig->core.threads);
 	evsel->core.nr_members = orig->core.nr_members;
 	evsel->core.system_wide = orig->core.system_wide;
@@ -1527,7 +1527,7 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts,
 		attr->exclude_user   = 1;
 	}
 
-	if (evsel->core.own_cpus || evsel->unit)
+	if (evsel->core.pmu_cpus || evsel->unit)
 		evsel->core.attr.read_format |= PERF_FORMAT_ID;
 
 	/*
@@ -1680,7 +1680,7 @@ void evsel__exit(struct evsel *evsel)
 	evsel__free_config_terms(evsel);
 	cgroup__put(evsel->cgrp);
 	perf_cpu_map__put(evsel->core.cpus);
-	perf_cpu_map__put(evsel->core.own_cpus);
+	perf_cpu_map__put(evsel->core.pmu_cpus);
 	perf_thread_map__put(evsel->core.threads);
 	zfree(&evsel->group_name);
 	zfree(&evsel->name);

tools/perf/util/header.c

@@ -4507,8 +4507,8 @@ int perf_event__process_event_update(const struct perf_tool *tool __maybe_unused
 	case PERF_EVENT_UPDATE__CPUS:
 		map = cpu_map__new_data(&ev->cpus.cpus);
 		if (map) {
-			perf_cpu_map__put(evsel->core.own_cpus);
-			evsel->core.own_cpus = map;
+			perf_cpu_map__put(evsel->core.pmu_cpus);
+			evsel->core.pmu_cpus = map;
 		} else
 			pr_err("failed to get event_update cpus\n");
 	default:

tools/perf/util/parse-events.c

@@ -320,7 +320,7 @@ __add_event(struct list_head *list, int *idx,
 
 	(*idx)++;
 	evsel->core.cpus = cpus;
-	evsel->core.own_cpus = perf_cpu_map__get(cpus);
+	evsel->core.pmu_cpus = perf_cpu_map__get(cpus);
 	evsel->core.requires_cpu = pmu ? pmu->is_uncore : false;
 	evsel->core.is_pmu_core = is_pmu_core;
 	evsel->pmu = pmu;

tools/perf/util/synthetic-events.c

@@ -2045,7 +2045,7 @@ int perf_event__synthesize_event_update_name(const struct perf_tool *tool, struc
 int perf_event__synthesize_event_update_cpus(const struct perf_tool *tool, struct evsel *evsel,
 					     perf_event__handler_t process)
 {
-	struct synthesize_cpu_map_data syn_data = { .map = evsel->core.own_cpus };
+	struct synthesize_cpu_map_data syn_data = { .map = evsel->core.pmu_cpus };
 	struct perf_record_event_update *ev;
 	int err;
 
@@ -2126,7 +2126,7 @@ int perf_event__synthesize_extra_attr(const struct perf_tool *tool, struct evlis
 			}
 		}
 
-		if (evsel->core.own_cpus) {
+		if (evsel->core.pmu_cpus) {
 			err = perf_event__synthesize_event_update_cpus(tool, evsel, process);
 			if (err < 0) {
 				pr_err("Couldn't synthesize evsel cpus.\n");

tools/perf/util/tool_pmu.c

@@ -357,10 +357,10 @@ bool tool_pmu__read_event(enum tool_pmu_event ev, struct evsel *evsel, u64 *resu
 			/*
 			 * "Any CPU" event that can be scheduled on any CPU in
 			 * the PMU's cpumask. The PMU cpumask should be saved in
-			 * own_cpus. If not present fall back to max.
+			 * pmu_cpus. If not present fall back to max.
 			 */
-			if (!perf_cpu_map__is_empty(evsel->core.own_cpus))
-				*result = perf_cpu_map__nr(evsel->core.own_cpus);
+			if (!perf_cpu_map__is_empty(evsel->core.pmu_cpus))
+				*result = perf_cpu_map__nr(evsel->core.pmu_cpus);
 			else
 				*result = cpu__max_present_cpu().cpu;
 		}
@@ -386,12 +386,12 @@ bool tool_pmu__read_event(enum tool_pmu_event ev, struct evsel *evsel, u64 *resu
 			/*
 			 * "Any CPU" event that can be scheduled on any CPU in
 			 * the PMU's cpumask. The PMU cpumask should be saved in
-			 * own_cpus, if not present then just the online cpu
+			 * pmu_cpus, if not present then just the online cpu
 			 * mask.
 			 */
-			if (!perf_cpu_map__is_empty(evsel->core.own_cpus)) {
+			if (!perf_cpu_map__is_empty(evsel->core.pmu_cpus)) {
 				struct perf_cpu_map *tmp =
-					perf_cpu_map__intersect(online, evsel->core.own_cpus);
+					perf_cpu_map__intersect(online, evsel->core.pmu_cpus);
 
 				*result = perf_cpu_map__nr(tmp);
 				perf_cpu_map__put(tmp);