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perf tools: Rename 'backward' to 'overwrite' in evlist, mmap and record

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Remove the backward/forward concept to make it uniform with user
interface (the '--overwrite' option).

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>
Cc: Mengting Zhang <zhangmengting@huawei.com>
Link: http://lkml.kernel.org/r/20171204165107.95327-4-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan
2017-12-04 16:51:07 +00:00
committed by Arnaldo Carvalho de Melo
parent 7fb4b407a1
commit 0b72d69a54
5 changed files with 36 additions and 36 deletions
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4
tools/perf/tests/backward-ring-buffer.c
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@@ -33,8 +33,8 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
perf_mmap__read_catchup(&evlist->backward_mmap[i]);
while ((event = perf_mmap__read_backward(&evlist->backward_mmap[i])) != NULL) {
perf_mmap__read_catchup(&evlist->overwrite_mmap[i]);
while ((event = perf_mmap__read_backward(&evlist->overwrite_mmap[i])) != NULL) {
const u32 type = event->header.type;
switch (type) {