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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-26 12:41:14 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-26 12:41:14 -0300 |
| commit | a14bb7a6fd4a3d563ca971daf462ba4dc294a7a6 (patch) | |
| tree | 5ad6003f5cf57019c55b44023e10401e2d01b78e /tools/perf/util/cpumap.h | |
| parent | perf evsel: Improve tracepoint constructor setup (diff) | |
| download | linux-dev-a14bb7a6fd4a3d563ca971daf462ba4dc294a7a6.tar.xz linux-dev-a14bb7a6fd4a3d563ca971daf462ba4dc294a7a6.zip | |
perf tools: Allow handling a NULL cpu_map as meaning "all cpus"
Or one with cpu_map->map[0] == -1.
Reducing the boilerplate in setting up an evlist by nor requiring a
cpu_map to be created at all.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-rnaqn3dtnsfo1wlbbf3fhx00@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cpumap.h')
| -rw-r--r-- | tools/perf/util/cpumap.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 17b5264f6436..2f68a3b8c285 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -2,6 +2,7 @@ #define __PERF_CPUMAP_H #include <stdio.h> +#include <stdbool.h> struct cpu_map { int nr; @@ -14,4 +15,14 @@ void cpu_map__delete(struct cpu_map *map); struct cpu_map *cpu_map__read(FILE *file); size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); +static inline int cpu_map__nr(const struct cpu_map *map) +{ + return map ? map->nr : 1; +} + +static inline bool cpu_map__all(const struct cpu_map *map) +{ + return map ? map->map[0] == -1 : true; +} + #endif /* __PERF_CPUMAP_H */ |