From 5d0007cdfc6612788badceb276156d6ccb30b6de Mon Sep 17 00:00:00 2001 From: Kan Liang Date: Thu, 1 Mar 2018 18:09:08 -0500 Subject: [PATCH] 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 Tested-by: Arnaldo Carvalho de Melo Cc: Andi Kleen Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan 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 --- 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 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); -- 2.30.2