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libperf: Adopt perf_mmap__get() function from tools/perf

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Move perf_mmap__get() from tools/perf to libperf in the internal header
internal/mmap.h.

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/20191007125344.14268-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-10-07 14:53:13 +02:00 committed by Arnaldo Carvalho de Melo
parent 32c261c070
commit e75710f063
6 changed files with 8 additions and 8 deletions
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2
tools/perf/builtin-record.c
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@ -293,7 +293,7 @@ static int record__aio_pushfn(struct mmap *map, void *to, void *buf, size_t size
* after started aio request completion or at record__aio_push()
* if the request failed to start.
*/
perf_mmap__get(map);
perf_mmap__get(&map->core);
}
aio->size += size;

1
tools/perf/lib/include/internal/mmap.h
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@ -39,5 +39,6 @@ size_t perf_mmap__mmap_len(struct perf_mmap *map);
void perf_mmap__init(struct perf_mmap *map, bool overwrite);
int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
int fd, int cpu);
void perf_mmap__get(struct perf_mmap *map);
#endif /* __LIBPERF_INTERNAL_MMAP_H */

5
tools/perf/lib/mmap.c
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@ -31,3 +31,8 @@ int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
map->cpu = cpu;
return 0;
}
void perf_mmap__get(struct perf_mmap *map)
{
refcount_inc(&map->refcnt);
}

2
tools/perf/util/evlist.c
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@ -701,7 +701,7 @@ static int evlist__mmap_per_evsel(struct evlist *evlist, int idx,
if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT, *output) != 0)
return -1;
perf_mmap__get(&maps[idx]);
perf_mmap__get(&maps[idx].core);
}
revent = perf_evlist__should_poll(evlist, evsel) ? POLLIN : 0;

5
tools/perf/util/mmap.c
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@ -110,11 +110,6 @@ static bool perf_mmap__empty(struct mmap *map)
return perf_mmap__read_head(map) == map->core.prev && !map->auxtrace_mmap.base;
}
void perf_mmap__get(struct mmap *map)
{
refcount_inc(&map->core.refcnt);
}
void perf_mmap__put(struct mmap *map)
{
BUG_ON(map->core.base && refcount_read(&map->core.refcnt) == 0);

1
tools/perf/util/mmap.h
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@ -45,7 +45,6 @@ struct mmap_params {
int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu);
void perf_mmap__munmap(struct mmap *map);
void perf_mmap__get(struct mmap *map);
void perf_mmap__put(struct mmap *map);
void perf_mmap__consume(struct mmap *map);