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perf mmap: Simplify perf_mmap__read_event()

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It isn't necessary to pass the 'overwrite', 'start' and 'end' argument
to perf_mmap__read_event().  Discard them.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1520350567-80082-7-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang 2018-03-06 10:36:06 -05:00 • committed by Arnaldo Carvalho de Melo
parent d6ace3df43
commit 0019dc87b9
17 changed files with 17 additions and 22 deletions
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2
tools/perf/tests/task-exit.c
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@ -116,7 +116,7 @@ retry:
if (perf_mmap__read_init(md, false, &start, &end) < 0)
goto out_init;
while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) {
while ((event = perf_mmap__read_event(md)) != NULL) {
if (event->header.type == PERF_RECORD_EXIT)
nr_exit++;