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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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14
tools/perf/builtin-record.c
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@@ -479,7 +479,7 @@ static struct perf_event_header finished_round_event = {
};
static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evlist,
bool backward)
bool overwrite)
{
u64 bytes_written = rec->bytes_written;
int i;
@@ -489,18 +489,18 @@ static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evli
if (!evlist)
return 0;
maps = backward ? evlist->backward_mmap : evlist->mmap;
maps = overwrite ? evlist->overwrite_mmap : evlist->mmap;
if (!maps)
return 0;
if (backward && evlist->bkw_mmap_state != BKW_MMAP_DATA_PENDING)
if (overwrite && evlist->bkw_mmap_state != BKW_MMAP_DATA_PENDING)
return 0;
for (i = 0; i < evlist->nr_mmaps; i++) {
struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap;
if (maps[i].base) {
if (perf_mmap__push(&maps[i], backward, rec, record__pushfn) != 0) {
if (perf_mmap__push(&maps[i], overwrite, rec, record__pushfn) != 0) {
rc = -1;
goto out;
}
@@ -520,7 +520,7 @@ static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evli
if (bytes_written != rec->bytes_written)
rc = record__write(rec, &finished_round_event, sizeof(finished_round_event));
if (backward)
if (overwrite)
perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
out:
return rc;
@@ -692,8 +692,8 @@ perf_evlist__pick_pc(struct perf_evlist *evlist)
if (evlist) {
if (evlist->mmap && evlist->mmap[0].base)
return evlist->mmap[0].base;
if (evlist->backward_mmap && evlist->backward_mmap[0].base)
return evlist->backward_mmap[0].base;
if (evlist->overwrite_mmap && evlist->overwrite_mmap[0].base)
return evlist->overwrite_mmap[0].base;
}
return NULL;
}