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| author | Kan Liang <kan.liang@linux.intel.com> | 2018-03-02 00:09:08 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-03-05 14:50:37 +0100 |
| commit | 5d0007cdfc6612788badceb276156d6ccb30b6de (patch) | |
| tree | eba85996716da8aa11e25f52d7a786debb3fe4d4 /tools/perf/tests | |
| parent | perf test: Switch to new perf_mmap__read_event() interface for time-to-tsc (diff) | |
| download | linux-5d0007cdfc6612788badceb276156d6ccb30b6de.tar.xz linux-5d0007cdfc6612788badceb276156d6ccb30b6de.zip | |
perf test: Switch to new perf_mmap__read_event() interface for sw-clock
The perf test 'sw-clock' still use the legacy interface.
No functional change.
Committer testing:
# perf test clock
22: Software clock events period values : 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/1519945751-37786-11-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/tests')
| -rw-r--r-- | tools/perf/tests/sw-clock.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index f6c72f915d48..e6320e267ba5 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -39,6 +39,8 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) }; struct cpu_map *cpus; struct thread_map *threads; + struct perf_mmap *md; + u64 end, start; attr.sample_freq = 500; @@ -93,7 +95,11 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) perf_evlist__disable(evlist); - 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) { struct perf_sample sample; if (event->header.type != PERF_RECORD_SAMPLE) @@ -108,9 +114,11 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) total_periods += sample.period; nr_samples++; next_event: - perf_evlist__mmap_consume(evlist, 0); + perf_mmap__consume(md, false); } + perf_mmap__read_done(md); +out_init: if ((u64) nr_samples == total_periods) { pr_debug("All (%d) samples have period value of 1!\n", nr_samples); |