Messages in this thread Patch in this message | | | From | kan.liang@intel ... | Subject | [PATCH V4 07/15] perf test: update mmap read functions for backward-ring-buffer test | Date | Mon, 15 Jan 2018 12:20:43 -0800 |
| |
From: Kan Liang <kan.liang@intel.com>
Use the new perf_mmap__read_* interfaces for overwrite ringbuffer test.
Signed-off-by: Kan Liang <kan.liang@intel.com> --- tools/perf/tests/backward-ring-buffer.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index 4035d43..e0b1b41 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -31,10 +31,12 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count, int i; for (i = 0; i < evlist->nr_mmaps; i++) { + struct perf_mmap *map = &evlist->overwrite_mmap[i]; union perf_event *event; + u64 start, end; - perf_mmap__read_catchup(&evlist->overwrite_mmap[i]); - while ((event = perf_mmap__read_backward(&evlist->overwrite_mmap[i])) != NULL) { + perf_mmap__read_init(map, true, &start, &end); + while ((event = perf_mmap__read_event(map, true, &start, end)) != NULL) { const u32 type = event->header.type; switch (type) { @@ -49,6 +51,7 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count, return TEST_FAIL; } } + perf_mmap__read_done(map); } return TEST_OK; } -- 2.5.5
| |