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perf test: Switch to new perf_mmap__read_event() interface for time-to-tsc 

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>
This commit is contained in:
Kan Liang 2018-03-01 18:09:07 -05:00 committed by Arnaldo Carvalho de Melo
parent 88e37a4bbe
commit 9dfb85dfaf
1 changed files with 9 additions and 2 deletions
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11
tools/perf/arch/x86/tests/perf-time-to-tsc.c
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@ -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)