[PATCH v1 06/12] libperf evsel: Rename own_cpus to pmu_cpus

From: Ian Rogers
Date: Fri Jun 27 2025 - 15:25:41 EST

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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.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/lib/perf/evlist.c | 8 ++++----
tools/lib/perf/evsel.c | 2 +-
tools/lib/perf/include/internal/evsel.h | 2 +-
tools/perf/tests/event_update.c | 4 ++--
tools/perf/util/evsel.c | 6 +++---
tools/perf/util/header.c | 4 ++--
tools/perf/util/parse-events.c | 2 +-
tools/perf/util/synthetic-events.c | 4 ++--
tools/perf/util/tool_pmu.c | 12 ++++++------
9 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index b1f4c8176b32..9d9dec21f510 100644
--- a/tools/lib/perf/evlist.c
+++ b/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) {
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index 2a85e0bfee1e..127abe7df63d 100644
--- a/tools/lib/perf/evsel.c
+++ b/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);
}
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index ea78defa77d0..b97dc8c92882 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/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;
diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c
index 9301fde11366..cb9e6de2e033 100644
--- a/tools/perf/tests/event_update.c
+++ b/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));
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 0208d999da24..8caee925bd4c 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -487,7 +487,7 @@ 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;
@@ -1526,7 +1526,7 @@ 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;

/*
@@ -1670,7 +1670,7 @@ 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);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 2dea35237e81..234641aa6b13 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -4480,8 +4480,8 @@ 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:
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index ef38eb082342..a78a4bc4e8fe 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -323,7 +323,7 @@ __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;
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 2fc4d0537840..7c00b09e3a93 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/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");
diff --git a/tools/perf/util/tool_pmu.c b/tools/perf/util/tool_pmu.c
index 7aa4f315b0ac..d99e699e646d 100644
--- a/tools/perf/util/tool_pmu.c
+++ b/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);
--
2.50.0.727.gbf7dc18ff4-goog

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