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| author | Kan Liang <kan.liang@linux.intel.com> | 2018-03-06 18:36:07 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-08 16:05:53 +0300 |
| commit | b9bae2c841b73eac6bfed510bc24a3051754ff51 (patch) | |
| tree | 8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/tests/backward-ring-buffer.c | |
| parent | 0019dc87b928380e2c85fcd8694e512079d7b580 (diff) | |
| download | linux-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.xz | |
perf mmap: Simplify perf_mmap__read_init()
It isn't necessary to pass the 'start', 'end' and 'overwrite' arguments
to perf_mmap__read_init(). The data is stored in the struct perf_mmap.
Discard the parameters.
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/1520350567-80082-8-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/backward-ring-buffer.c')
| -rw-r--r-- | tools/perf/tests/backward-ring-buffer.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index e0eae1053ddc..6d598cc071ae 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -33,9 +33,8 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count, for (i = 0; i < evlist->nr_mmaps; i++) { struct perf_mmap *map = &evlist->overwrite_mmap[i]; union perf_event *event; - u64 start, end; - perf_mmap__read_init(map, true, &start, &end); + perf_mmap__read_init(map); while ((event = perf_mmap__read_event(map)) != NULL) { const u32 type = event->header.type; |