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Commit 693d32ae 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 "keep tracking" test 



The perf test 'keep tracking' still use the legacy interface.

No functional change.

Committer testing:

  # perf test tracking
  25: Use a dummy software event to keep tracking           : 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/1519945751-37786-6-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 00fc2460

tools/perf/tests/keep-tracking.c

+8 −2
Original line number Diff line number Diff line
@@ -27,18 +27,24 @@ 
static int find_comm(struct perf_evlist *evlist, const char *comm)

{

	union perf_event *event;

	struct perf_mmap *md;

	u64 end, start;

	int i, found;



	found = 0;

	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) {

			if (event->header.type == PERF_RECORD_COMM &&

			    (pid_t)event->comm.pid == getpid() &&

			    (pid_t)event->comm.tid == getpid() &&

			    strcmp(event->comm.comm, comm) == 0)

				found += 1;

			perf_evlist__mmap_consume(evlist, i);

			perf_mmap__consume(md, false);

		}

		perf_mmap__read_done(md);

	}

	return found;

}