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| author | Kan Liang <kan.liang@linux.intel.com> | 2018-03-06 10:36:07 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-08 10:05:53 -0300 |
| commit | b9bae2c841b73eac6bfed510bc24a3051754ff51 (patch) | |
| tree | 8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/builtin-trace.c | |
| parent | 0019dc87b928380e2c85fcd8694e512079d7b580 (diff) | |
| download | talos-obmc-linux-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.gz talos-obmc-linux-b9bae2c841b73eac6bfed510bc24a3051754ff51.zip | |
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/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 29fda506ac75..87b95c9410b4 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2503,10 +2503,9 @@ again: for (i = 0; i < evlist->nr_mmaps; i++) { union perf_event *event; struct perf_mmap *md; - u64 end, start; md = &evlist->mmap[i]; - if (perf_mmap__read_init(md, false, &start, &end) < 0) + if (perf_mmap__read_init(md) < 0) continue; while ((event = perf_mmap__read_event(md)) != NULL) { |
