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Commit ee4024ff authored by Kan Liang's avatar Kan Liang Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Switch to new perf_mmap__read_event() interface for switch-tracking 



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: default avatarKan Liang <kan.liang@linux.intel.com>
Tested-by: default avatarArnaldo 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5d0007cd

tools/perf/tests/switch-tracking.c

+9 −2
Original line number Diff line number Diff line
@@ -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));