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| author |   Jiri Olsa <jolsa@kernel.org> | 2019-10-07 14:53:09 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-10 09:37:25 -0300 |
| commit | 353120b48d4f61288e4745b0c8a191784b11c0f4 (patch) | |
| tree | e0a8eb3397403227f4634cd7c29bb78dac87133e /tools/perf/util/evlist.c | |
| parent | MAINTAINERS: Add entry for perf tool arm64 pmu-events files (diff) | |
| download | linux-dev-353120b48d4f61288e4745b0c8a191784b11c0f4.tar.xz linux-dev-353120b48d4f61288e4745b0c8a191784b11c0f4.zip | |
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/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e33b46aca5cb..6c8de0865670 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -629,8 +629,6 @@ static struct mmap *evlist__alloc_mmap(struct evlist *evlist, return NULL; for (i = 0; i < evlist->core.nr_mmaps; i++) { - map[i].core.fd = -1; - map[i].core.overwrite = overwrite; /* * When the perf_mmap() call is made we grab one refcount, plus * one extra to let perf_mmap__consume() get the last @@ -640,8 +638,9 @@ static struct mmap *evlist__alloc_mmap(struct evlist *evlist, * Each PERF_EVENT_IOC_SET_OUTPUT points to this mmap and * thus does perf_mmap__get() on it. */ - refcount_set(&map[i].core.refcnt, 0); + perf_mmap__init(&map[i].core, overwrite); } + return map; } |