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Commit b74d8686 authored by Kan Liang's avatar Kan Liang Committed by Arnaldo Carvalho de Melo
Browse files

perf cpumap: Retrieve die id information 



There is no function to retrieve die id information of a given CPU.

Add cpu_map__get_die_id() to retrieve die id information.

Signed-off-by: default avatarKan Liang <kan.liang@linux.intel.com>
Reviewed-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1559688644-106558-1-git-send-email-kan.liang@linux.intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 21fe8dc1

tools/perf/util/cpumap.c

+7 −0
Original line number Diff line number Diff line
@@ -373,6 +373,13 @@ int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res, 
	return 0;

}



int cpu_map__get_die_id(int cpu)

{

	int value, ret = cpu__get_topology_int(cpu, "die_id", &value);



	return ret ?: value;

}



int cpu_map__get_core_id(int cpu)

{

	int value, ret = cpu__get_topology_int(cpu, "core_id", &value);

tools/perf/util/cpumap.h

+1 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ size_t cpu_map__snprint_mask(struct cpu_map *map, char *buf, size_t size); 
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);

int cpu_map__get_socket_id(int cpu);

int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);

int cpu_map__get_die_id(int cpu);

int cpu_map__get_core_id(int cpu);

int cpu_map__get_core(struct cpu_map *map, int idx, void *data);

int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);