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authorKan Liang <kan.liang@linux.intel.com>2018-03-06 10:36:06 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-03-08 10:05:53 -0300
commit0019dc87b928380e2c85fcd8694e512079d7b580 (patch)
tree03d4e4875044d8574be6e4446cf508eafaa9239e /tools/perf/builtin-top.c
parentd6ace3df43049a46aa1f5596c0c8d75433321437 (diff)
downloadblackbird-op-linux-0019dc87b928380e2c85fcd8694e512079d7b580.tar.gz
blackbird-op-linux-0019dc87b928380e2c85fcd8694e512079d7b580.zip
perf mmap: Simplify perf_mmap__read_event()
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>
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r--tools/perf/builtin-top.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 11b4a413039f..eb19cf92a388 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -824,7 +824,7 @@ static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
if (perf_mmap__read_init(md, opts->overwrite, &start, &end) < 0)
return;
- while ((event = perf_mmap__read_event(md, opts->overwrite, &start, end)) != NULL) {
+ while ((event = perf_mmap__read_event(md)) != NULL) {
ret = perf_evlist__parse_sample(evlist, event, &sample);
if (ret) {
pr_err("Can't parse sample, err = %d\n", ret);
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