diff options
| author | Wang Nan <wangnan0@huawei.com> | 2017-12-03 02:00:41 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-12-05 15:43:54 -0300 |
| commit | 8eb7a1fe31612fd3e8ae8042dd2ebaf7575504cb (patch) | |
| tree | 894be1553d77d66d41e4838c89712240059da1b2 /tools/perf/util/mmap.h | |
| parent | ca6a9a05391960be5e8161a59a9854b32325d901 (diff) | |
perf mmap: Remove overwrite and check_messup from mmap read
All perf_mmap__read_forward() read from read-write ring buffer, so no
need check_messup. Reading from backward ring buffer doesn't require
check_messup because it never mess up. Cleanup arguments lists.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Link: http://lkml.kernel.org/r/20171203020044.81680-6-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/mmap.h')
| -rw-r--r-- | tools/perf/util/mmap.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h index 2c3d291785de..d640273b7762 100644 --- a/tools/perf/util/mmap.h +++ b/tools/perf/util/mmap.h @@ -86,7 +86,7 @@ static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail) pc->data_tail = tail; } -union perf_event *perf_mmap__read_forward(struct perf_mmap *map, bool check_messup); +union perf_event *perf_mmap__read_forward(struct perf_mmap *map); union perf_event *perf_mmap__read_backward(struct perf_mmap *map); int perf_mmap__push(struct perf_mmap *md, bool backward, |