[PATCH 05/14] perf test: Apply new perf_mmap__read_event() interface for code reading

From: kan . liang
Date: Thu Mar 01 2018 - 18:13:17 EST


From: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>

The perf test 'object code reading' still use the legacy interface.

No functional change.

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
---
tools/perf/tests/code-reading.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index c7115d3..40bbec9 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -409,15 +409,22 @@ static int process_events(struct machine *machine, struct perf_evlist *evlist,
struct state *state)
{
union perf_event *event;
+ struct perf_mmap *md;
+ u64 end, start;
int i, ret;

for (i = 0; i < evlist->nr_mmaps; i++) {
- 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) {
ret = process_event(machine, evlist, event, state);
- perf_evlist__mmap_consume(evlist, i);
+ perf_mmap__consume(md, 0);
if (ret < 0)
return ret;
}
+ perf_mmap__read_done(md);
}
return 0;
}
--
2.4.11