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From:   kan.liang@intel.com
To:     acme@kernel.org, peterz@infradead.org, mingo@redhat.com,
        linux-kernel@vger.kernel.org
Cc:     wangnan0@huawei.com, jolsa@kernel.org, namhyung@kernel.org,
        ak@linux.intel.com, yao.jin@linux.intel.com,
        Kan Liang <kan.liang@intel.com>
Subject: [PATCH V5 09/17] perf test: update mmap read functions for backward-ring-buffer test
Date:   Thu, 18 Jan 2018 13:26:24 -0800
Message-Id: <1516310792-208685-10-git-send-email-kan.liang@intel.com>
In-Reply-To: <1516310792-208685-1-git-send-email-kan.liang@intel.com>
References: <1516310792-208685-1-git-send-email-kan.liang@intel.com>
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From: Kan Liang <kan.liang@intel.com>

Use the new perf_mmap__read_* interfaces for overwrite ringbuffer test.

Signed-off-by: Kan Liang <kan.liang@intel.com>
---
 tools/perf/tests/backward-ring-buffer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index 4035d43..e0b1b41 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -31,10 +31,12 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
 	int i;
 
 	for (i = 0; i < evlist->nr_mmaps; i++) {
+		struct perf_mmap *map = &evlist->overwrite_mmap[i];
 		union perf_event *event;
+		u64 start, end;
 
-		perf_mmap__read_catchup(&evlist->overwrite_mmap[i]);
-		while ((event = perf_mmap__read_backward(&evlist->overwrite_mmap[i])) != NULL) {
+		perf_mmap__read_init(map, true, &start, &end);
+		while ((event = perf_mmap__read_event(map, true, &start, end)) != NULL) {
 			const u32 type = event->header.type;
 
 			switch (type) {
@@ -49,6 +51,7 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
 				return TEST_FAIL;
 			}
 		}
+		perf_mmap__read_done(map);
 	}
 	return TEST_OK;
 }
-- 
2.5.5