diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-08-22 13:11:39 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-22 11:17:03 -0300 |
| commit | 315c0a1f0ccdd44c65f80ccbc62202fed8a23050 (patch) | |
| tree | 7a4ba0191b49d5ec462d2d7c8a9fb472475c47ee /tools/perf/lib | |
| parent | 6549cd8f2cc2cdf7e107fbbc3a68ecefb774bb2f (diff) | |
| download | lwn-315c0a1f0ccdd44c65f80ccbc62202fed8a23050.tar.gz lwn-315c0a1f0ccdd44c65f80ccbc62202fed8a23050.zip | |
libperf: Move perf's cpu_map__empty() to perf_cpu_map__empty()
So it's part of the libperf library as one of basic functions operating
on the perf_cpu_map class.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190822111141.25823-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib')
| -rw-r--r-- | tools/perf/lib/cpumap.c | 5 | ||||
| -rw-r--r-- | tools/perf/lib/include/perf/cpumap.h | 2 | ||||
| -rw-r--r-- | tools/perf/lib/libperf.map | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/lib/cpumap.c b/tools/perf/lib/cpumap.c index 1ddb69e796e5..63f7df7e47ff 100644 --- a/tools/perf/lib/cpumap.c +++ b/tools/perf/lib/cpumap.c @@ -237,3 +237,8 @@ int perf_cpu_map__nr(const struct perf_cpu_map *cpus) { return cpus ? cpus->nr : 1; } + +bool perf_cpu_map__empty(const struct perf_cpu_map *map) +{ + return map ? map->map[0] == -1 : true; +} diff --git a/tools/perf/lib/include/perf/cpumap.h b/tools/perf/lib/include/perf/cpumap.h index 1b6e7db3fa2b..8aa995c59498 100644 --- a/tools/perf/lib/include/perf/cpumap.h +++ b/tools/perf/lib/include/perf/cpumap.h @@ -4,6 +4,7 @@ #include <perf/core.h> #include <stdio.h> +#include <stdbool.h> struct perf_cpu_map; @@ -14,6 +15,7 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map); LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map); LIBPERF_API int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx); LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus); +LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map); #define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \ for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index e24d3cec01c1..3373dd51fcda 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -8,6 +8,7 @@ LIBPERF_0.0.1 { perf_cpu_map__read; perf_cpu_map__nr; perf_cpu_map__cpu; + perf_cpu_map__empty; perf_thread_map__new_dummy; perf_thread_map__set_pid; perf_thread_map__comm; |