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| author | Kan Liang <kan.liang@linux.intel.com> | 2018-03-01 18:09:11 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-05 10:51:10 -0300 |
| commit | 6afad54d2f0ddebacfcf3b829147d7fed8dab298 (patch) | |
| tree | bddcf91a72cd0d8effd7b1d4732a3a859cf8f157 /tools/perf/util/evlist.c | |
| parent | 759487307625cd44ac4aa241ee547b52b72bc4ad (diff) | |
| download | lwn-6afad54d2f0ddebacfcf3b829147d7fed8dab298.tar.gz lwn-6afad54d2f0ddebacfcf3b829147d7fed8dab298.zip | |
perf mmap: Discard legacy interfaces for mmap read forward
Discards legacy interfaces perf_evlist__mmap_read_forward(),
perf_evlist__mmap_read() and perf_evlist__mmap_consume().
No tools use them.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1519945751-37786-14-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7b7d535396f7..41a4666f1519 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -702,29 +702,6 @@ static int perf_evlist__resume(struct perf_evlist *evlist) return perf_evlist__set_paused(evlist, false); } -union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, int idx) -{ - struct perf_mmap *md = &evlist->mmap[idx]; - - /* - * Check messup is required for forward overwritable ring buffer: - * memory pointed by md->prev can be overwritten in this case. - * No need for read-write ring buffer: kernel stop outputting when - * it hit md->prev (perf_mmap__consume()). - */ - return perf_mmap__read_forward(md); -} - -union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) -{ - return perf_evlist__mmap_read_forward(evlist, idx); -} - -void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx) -{ - perf_mmap__consume(&evlist->mmap[idx], false); -} - static void perf_evlist__munmap_nofree(struct perf_evlist *evlist) { int i; @@ -761,7 +738,7 @@ static struct perf_mmap *perf_evlist__alloc_mmap(struct perf_evlist *evlist) map[i].fd = -1; /* * When the perf_mmap() call is made we grab one refcount, plus - * one extra to let perf_evlist__mmap_consume() get the last + * one extra to let perf_mmap__consume() get the last * events after all real references (perf_mmap__get()) are * dropped. * |