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| author | Kan Liang <kan.liang@linux.intel.com> | 2018-03-02 02:09:10 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-05 16:51:00 +0300 |
| commit | 759487307625cd44ac4aa241ee547b52b72bc4ad (patch) | |
| tree | 2cb084ea3dbb7f0d946e5eb45c908b7b999a2677 /tools/perf | |
| parent | ee4024ff858211316c4824b16bea446f08765ae8 (diff) | |
| download | linux-759487307625cd44ac4aa241ee547b52b72bc4ad.tar.xz | |
perf test: Switch to new perf_mmap__read_event() interface for task-exit
The perf test 'task-exit' still use the legacy interface.
No functional change.
Committer notes:
Testing it:
# perf test exit
21: Number of exit events of a simple workload : 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/1519945751-37786-13-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>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/tests/task-exit.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index 01b62b81751b..02b0888b72a3 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -47,6 +47,8 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused char sbuf[STRERR_BUFSIZE]; struct cpu_map *cpus; struct thread_map *threads; + struct perf_mmap *md; + u64 end, start; signal(SIGCHLD, sig_handler); @@ -110,13 +112,19 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused perf_evlist__start_workload(evlist); retry: - while ((event = perf_evlist__mmap_read(evlist, 0)) != NULL) { + md = &evlist->mmap[0]; + if (perf_mmap__read_init(md, false, &start, &end) < 0) + goto out_init; + + while ((event = perf_mmap__read_event(md, false, &start, end)) != NULL) { if (event->header.type == PERF_RECORD_EXIT) nr_exit++; - perf_evlist__mmap_consume(evlist, 0); + perf_mmap__consume(md, false); } + perf_mmap__read_done(md); +out_init: if (!exited || !nr_exit) { perf_evlist__poll(evlist, -1); goto retry; |