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libperf: Adopt perf_mmap__read_event() from tools/perf

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Move perf_mmap__read_event() from tools/perf to libperf and export it in
the perf/mmap.h header.

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/20191007125344.14268-13-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-10-07 14:53:20 +02:00
committed by Arnaldo Carvalho de Melo
parent 32fdc2ca7e
commit 151ed5d70d
21 changed files with 98 additions and 95 deletions
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2
tools/perf/tests/backward-ring-buffer.c
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@@ -39,7 +39,7 @@ static int count_samples(struct evlist *evlist, int *sample_count,
union perf_event *event;
perf_mmap__read_init(&map->core);
while ((event = perf_mmap__read_event(map)) != NULL) {
while ((event = perf_mmap__read_event(&map->core)) != NULL) {
const u32 type = event->header.type;
switch (type) {