Messages in this thread Patch in this message | | | From | kan.liang@linux ... | Subject | [PATCH 11/14] perf test: Apply new perf_mmap__read_event() interface for sw-clock | Date | Thu, 1 Mar 2018 18:09:08 -0500 |
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From: Kan Liang <kan.liang@linux.intel.com>
The perf test 'sw-clock' still use the legacy interface.
No functional change.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com> --- tools/perf/tests/sw-clock.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index f6c72f9..206a111 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, 0, &start, &end) < 0) + goto out_init; + + while ((event = perf_mmap__read_event(md, 0, &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, 0); } + 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); -- 2.4.11
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