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perf cpumap: Add new map type for aggregation
Currently this is a duplicate of perf_cpu_map so that it can be used as a drop in replacement. In a later commit it will be changed from a map of ints to use the new cpu_aggr_id struct. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-6-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -95,6 +95,23 @@ struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
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return cpus;
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return cpus;
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}
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}
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struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr)
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{
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struct cpu_aggr_map *cpus = malloc(sizeof(*cpus) + sizeof(int) * nr);
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if (cpus != NULL) {
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int i;
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cpus->nr = nr;
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for (i = 0; i < nr; i++)
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cpus->map[i] = -1;
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refcount_set(&cpus->refcnt, 1);
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}
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return cpus;
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}
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static int cpu__get_topology_int(int cpu, const char *name, int *value)
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static int cpu__get_topology_int(int cpu, const char *name, int *value)
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{
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{
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char path[PATH_MAX];
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char path[PATH_MAX];
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@ -11,9 +11,17 @@ struct aggr_cpu_id {
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int id;
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int id;
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};
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};
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struct cpu_aggr_map {
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refcount_t refcnt;
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int nr;
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int map[];
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};
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struct perf_record_cpu_map_data;
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struct perf_record_cpu_map_data;
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struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
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struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
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struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr);
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struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
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struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
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size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
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size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
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size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
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size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
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