[PATCH 20/22] perf cpumap: Add some comments to cpu_aggr_map
From: Ian Rogers <irogers@google.com>
Date: 2021-12-08 02:47:24
Also in:
linux-arm-kernel, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Move cpu_aggr_map__empty_new to be with other cpu_aggr_map function. Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/util/cpumap.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 832fc53f3c11..8acef8ff8753 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h@@ -24,16 +24,18 @@ struct aggr_cpu_id { int core; }; +/** A collection of aggr_cpu_id values, the "built" version is sorted and uniqued. */ struct cpu_aggr_map { refcount_t refcnt; + /** Number of valid entries. */ int nr; + /** The entries. */ struct aggr_cpu_id map[]; }; struct perf_record_cpu_map_data; struct perf_cpu_map *perf_cpu_map__empty_new(int nr); -struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr); struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data); size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
@@ -67,6 +69,12 @@ int cpu__get_die_id(int cpu); */ int cpu__get_core_id(int cpu); +/** + * cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry + * being empty. + */ +struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr); + typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(int cpu, void *data); /**
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2.34.1.400.ga245620fadb-goog