perf test: Switch to new perf_mmap__read_event() interface for switch-tracking
authorKan Liang <kan.liang@linux.intel.com>
Thu, 1 Mar 2018 23:09:09 +0000 (18:09 -0500)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Mon, 5 Mar 2018 13:50:50 +0000 (10:50 -0300)
The perf test 'switch-tracking' still use the legacy interface.

No functional change.

Committer testing:

  # perf test switch
  32: Track with sched_switch                               : Ok
  #

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1519945751-37786-12-git-send-email-kan.liang@linux.intel.com
[ Changed bool parameters from 0 to 'false', as per Jiri comment ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/tests/switch-tracking.c

index 33e0029..10c4dcd 100644 (file)
@@ -258,16 +258,23 @@ static int process_events(struct perf_evlist *evlist,
        unsigned pos, cnt = 0;
        LIST_HEAD(events);
        struct event_node *events_array, *node;
+       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, false, &start, &end) < 0)
+                       continue;
+
+               while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) {
                        cnt += 1;
                        ret = add_event(evlist, &events, event);
-                       perf_evlist__mmap_consume(evlist, i);
+                        perf_mmap__consume(md, false);
                        if (ret < 0)
                                goto out_free_nodes;
                }
+               perf_mmap__read_done(md);
        }
 
        events_array = calloc(cnt, sizeof(struct event_node));