[PATCH 04/14] perf test: Apply new perf_mmap__read_event() interface for bpf

From: kan . liang
Date: Thu Mar 01 2018 - 18:10:07 EST


From: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>

The perf test 'bpf' still use the legacy interface.

No functional change.

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
---
tools/perf/tests/bpf.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index e8399be..ab4715f 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -176,13 +176,20 @@ static int do_test(struct bpf_object *obj, int (*func)(void),

for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
+ struct perf_mmap *md;
+ u64 end, start;

- while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
+ md = &evlist->mmap[i];
+ if (perf_mmap__read_init(md, 0, &start, &end) < 0)
+ continue;
+
+ while ((event = perf_mmap__read_event(md, 0, &start, end)) != NULL) {
const u32 type = event->header.type;

if (type == PERF_RECORD_SAMPLE)
count ++;
}
+ perf_mmap__read_done(md);
}

if (count != expect) {
--
2.4.11