From: Kan Liang <kan.li...@linux.intel.com> 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: Kan Liang <kan.li...@linux.intel.com> Reviewed-by: Jiri Olsa <jo...@kernel.org> Cc: Andi Kleen <a...@linux.intel.com> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/1559688644-106558-1-git-send-email-kan.li...@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/cpumap.c | 7 +++++++ tools/perf/util/cpumap.h | 1 + 2 files changed, 8 insertions(+) diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 0b599229bc7e..7db1365c667e 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -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); diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index f00ce624b9f7..6762ff9e7ad5 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -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); -- 2.20.1
