Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 24/28] perf test: Switch to new perf_mmap__read_event() interface for time-to-tsc | Date | Mon, 5 Mar 2018 11:29:28 -0300 |
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From: Kan Liang <kan.liang@linux.intel.com>
The perf test 'time-to-tsc' still use the legacy interface.
No functional change.
Commiter notes:
Testing it:
# perf test tsc 57: Convert perf time to TSC : 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/1519945751-37786-10-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> --- tools/perf/arch/x86/tests/perf-time-to-tsc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index 06abe8108b33..7f82d91ef473 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -60,6 +60,8 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe union perf_event *event; u64 test_tsc, comm1_tsc, comm2_tsc; u64 test_time, comm1_time = 0, comm2_time = 0; + struct perf_mmap *md; + u64 end, start; threads = thread_map__new(-1, getpid(), UINT_MAX); CHECK_NOT_NULL__(threads); @@ -109,7 +111,11 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe perf_evlist__disable(evlist); 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) { struct perf_sample sample; if (event->header.type != PERF_RECORD_COMM || @@ -128,8 +134,9 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe comm2_time = sample.time; } next_event: - perf_evlist__mmap_consume(evlist, i); + perf_mmap__consume(md, false); } + perf_mmap__read_done(md); } if (!comm1_time || !comm2_time) -- 2.14.3
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