diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-10-07 15:53:09 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-10 15:37:25 +0300 |
| commit | 353120b48d4f61288e4745b0c8a191784b11c0f4 (patch) | |
| tree | e0a8eb3397403227f4634cd7c29bb78dac87133e /tools/perf/lib | |
| parent | 26d5310ee28ad9395bd676f750d2ee3ddff3dcfd (diff) | |
| download | linux-353120b48d4f61288e4745b0c8a191784b11c0f4.tar.xz | |
libperf: Add perf_mmap__init() function
Add perf_mmap__init() function to initialize 'struct perf_mmap' objects.
Add it to a new mmap.c source file, that will carry all the mmap related
functions.
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://lore.kernel.org/lkml/20191007125344.14268-2-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/Build | 1 | ||||
| -rw-r--r-- | tools/perf/lib/include/internal/mmap.h | 2 | ||||
| -rw-r--r-- | tools/perf/lib/mmap.c | 9 |
3 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/lib/Build b/tools/perf/lib/Build index c31f1c111f8f..2ef9a4ec6d99 100644 --- a/tools/perf/lib/Build +++ b/tools/perf/lib/Build @@ -3,6 +3,7 @@ libperf-y += cpumap.o libperf-y += threadmap.o libperf-y += evsel.o libperf-y += evlist.o +libperf-y += mmap.o libperf-y += zalloc.o libperf-y += xyarray.o libperf-y += lib.o diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h index ba1e519c15b9..e25890de6a55 100644 --- a/tools/perf/lib/include/internal/mmap.h +++ b/tools/perf/lib/include/internal/mmap.h @@ -29,4 +29,6 @@ struct perf_mmap { char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8); }; +void perf_mmap__init(struct perf_mmap *map, bool overwrite); + #endif /* __LIBPERF_INTERNAL_MMAP_H */ diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c new file mode 100644 index 000000000000..3da6177510e6 --- /dev/null +++ b/tools/perf/lib/mmap.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <internal/mmap.h> + +void perf_mmap__init(struct perf_mmap *map, bool overwrite) +{ + map->fd = -1; + map->overwrite = overwrite; + refcount_set(&map->refcnt, 0); +} |