Extract event reader to __perf_evlist__mmap_read(). Future commit will feed it with manually computed 'head' and 'old' pointers.
Signed-off-by: Wang Nan <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Zefan Li <[email protected]> Cc: [email protected] --- tools/perf/util/evlist.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index c4bfe11..5e86972 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -749,6 +749,13 @@ broken_event: return event; } +static union perf_event * +__perf_evlist__mmap_read(struct perf_mmap *md, bool overwrite, u64 head, + u64 old, u64 *prev) +{ + return perf_mmap__read(md, overwrite, old, head, prev); +} + union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) { struct perf_mmap *md = &evlist->mmap[idx]; @@ -763,7 +770,8 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) head = perf_mmap__read_head(md); - return perf_mmap__read(md, evlist->overwrite, old, head, &md->prev); + return __perf_evlist__mmap_read(md, evlist->overwrite, head, + old, &md->prev); } union perf_event * -- 1.8.3.4
