perf evlist: Map backward events to backward_mmap
In perf_evlist__mmap_per_evsel(), select backward_mmap for backward
events. Utilize new perf_mmap APIs. Dynamically alloc backward_mmap.
Remove useless functions.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1468485287-33422-9-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index 5cee387..b2c6348 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -31,8 +31,8 @@
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
- perf_evlist__mmap_read_catchup(evlist, i);
- while ((event = perf_evlist__mmap_read_backward(evlist, i)) != NULL) {
+ perf_mmap__read_catchup(&evlist->backward_mmap[i]);
+ while ((event = perf_mmap__read_backward(&evlist->backward_mmap[i])) != NULL) {
const u32 type = event->header.type;
switch (type) {