From: Wang Nan <[email protected]> Setting overwrite in perf_evlist__mmap() is meaningless because the event in this evlist is already have 'overwrite' postfix and goes to backward ring buffer automatically. Pass 'false' to perf_evlist__mmap() to make it similar to others.
Signed-off-by: Wang Nan <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Namhyung Kim <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/tests/backward-ring-buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index 71b9a0b613d2..43a8c6ac4070 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -59,7 +59,7 @@ static int do_test(struct perf_evlist *evlist, int mmap_pages, int err; char sbuf[STRERR_BUFSIZE]; - err = perf_evlist__mmap(evlist, mmap_pages, true); + err = perf_evlist__mmap(evlist, mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); -- 2.13.6
