Commit-ID: d7f55c62e63461c4071afe8730851e406935d960
Gitweb: https://git.kernel.org/tip/d7f55c62e63461c4071afe8730851e406935d960
Author: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
AuthorDate: Thu, 1 Mar 2018 18:08:59 -0500
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 5 Mar 2018 10:41:59 -0300
perf trace: Switch to new perf_mmap__read_event() interface
The 'perf trace' utility still use the legacy interface.
Switch to the new perf_mmap__read_event() interface.
No functional change.
Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1519945751-37786-2-git-send-email-kan.liang@xxxxxxxxxxxxxxx
[ Changed bool parameters from 0 to 'false', as per Jiri comment ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-trace.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e7f1b182fc15..1a93debc1e8d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2472,8 +2472,14 @@ again:
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, false, &start, &end) < 0)
+ continue;
+
+ while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) {
struct perf_sample sample;
++trace->nr_events;
@@ -2486,7 +2492,7 @@ again:
trace__handle_event(trace, event, &sample);
next_event:
- perf_evlist__mmap_consume(evlist, i);
+ perf_mmap__consume(md, false);
if (interrupted)
goto out_disable;
@@ -2496,6 +2502,7 @@ next_event:
draining = true;
}
}
+ perf_mmap__read_done(md);
}
if (trace->nr_events == before) {
--
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