[PATCH 21/28] perf test: Switch to new perf_mmap__read_event() interface for mmap-basic

Arnaldo Carvalho de Melo
2018-03-05T14:33:07Z

From: Kan Liang <kan.liang@linux.intel.com>

The perf test 'mmap-basic' still use the legacy interface.

No functional change.

Committer notes:

Testing it:

# perf test "mmap interface"
4: Read samples using the mmap interface : 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/1519945751-37786-7-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/tests/mmap-basic.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index c0e971da965c..44c58d69cd87 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -38,6 +38,8 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
expected_nr_events[nsyscalls], i, j;
struct perf_evsel *evsels[nsyscalls], *evsel;
char sbuf[STRERR_BUFSIZE];
+ struct perf_mmap *md;
+ u64 end, start;

threads = thread_map__new(-1, getpid(), UINT_MAX);
if (threads == NULL) {
@@ -106,7 +108,11 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
++foo;
}

- 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) {
@@ -129,9 +135,11 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
goto out_delete_evlist;
}
nr_events[evsel->idx]++;
- perf_evlist__mmap_consume(evlist, 0);
+ perf_mmap__consume(md, false);
}
+ perf_mmap__read_done(md);

+out_init:
err = 0;
evlist__for_each_entry(evlist, evsel) {
if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
--
2.14.3