Commit-ID: 9dfb85dfaffe6bc38f0c9f8a8622e2a7ca333e58
Gitweb: https://git.kernel.org/tip/9dfb85dfaffe6bc38f0c9f8a8622e2a7ca333e58
Author: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
AuthorDate: Thu, 1 Mar 2018 18:09:07 -0500
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 5 Mar 2018 10:50:23 -0300
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@xxxxxxxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1519945751-37786-10-git-send-email-kan.liang@xxxxxxxxxxxxxxx
[ Changed bool parameters from 0 to 'false', as per Jiri comment ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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)
--
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