From: kan.liang@intel.com
To: acme@kernel.org, peterz@infradead.org, mingo@redhat.com,
linux-kernel@vger.kernel.org
Cc: jolsa@kernel.org, wangnan0@huawei.com, hekuang@huawei.com,
namhyung@kernel.org, alexander.shishkin@linux.intel.com,
adrian.hunter@intel.com, ak@linux.intel.com,
Kan Liang <kan.liang@intel.com>
Subject: [PATCH 06/10] perf trace: apply new mmap_read interfaces
Date: Tue, 10 Oct 2017 10:20:19 -0700 [thread overview]
Message-ID: <1507656023-177125-7-git-send-email-kan.liang@intel.com> (raw)
In-Reply-To: <1507656023-177125-1-git-send-email-kan.liang@intel.com>
From: Kan Liang <kan.liang@intel.com>
no functional change
Signed-off-by: Kan Liang <kan.liang@intel.com>
---
tools/perf/builtin-trace.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index afef6fe..cd5aaf2 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2424,8 +2424,14 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
+ struct perf_mmap_read read;
- while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
+ if (perf_evlist__mmap_read_init(evlist, i, &read, false)) {
+ fprintf(trace->output, "Can't get mmap information\n");
+ continue;
+ }
+
+ while ((event = perf_mmap__read_event(&read)) != NULL) {
struct perf_sample sample;
++trace->nr_events;
@@ -2448,6 +2454,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
draining = true;
}
}
+ perf_mmap__read_done(&read);
}
if (trace->nr_events == before) {
--
2.5.5
next prev parent reply other threads:[~2017-10-10 17:25 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-10 17:20 [PATCH 00/10] new mmap_read interfaces for ring buffer kan.liang
2017-10-10 17:20 ` [PATCH 01/10] perf record: new interfaces to read ring buffer to file kan.liang
2017-10-10 18:24 ` Arnaldo Carvalho de Melo
2017-10-10 18:30 ` Arnaldo Carvalho de Melo
2017-10-11 4:12 ` Liang, Kan
2017-10-11 14:45 ` Arnaldo Carvalho de Melo
2017-10-11 15:16 ` Liang, Kan
2017-10-10 17:20 ` [PATCH 02/10] perf tool: fix: Don't discard prev in backward mode kan.liang
2017-10-10 18:14 ` Arnaldo Carvalho de Melo
2017-10-10 18:18 ` Liang, Kan
2017-10-13 12:55 ` Liang, Kan
2017-10-13 13:13 ` Arnaldo Carvalho de Melo
2017-10-13 13:14 ` Liang, Kan
2017-10-10 18:23 ` Wangnan (F)
2017-10-10 18:50 ` Wangnan (F)
2017-10-10 19:50 ` Liang, Kan
2017-10-10 20:18 ` Wangnan (F)
2017-10-11 2:12 ` Liang, Kan
2017-10-11 14:57 ` Liang, Kan
2017-10-12 1:11 ` Wangnan (F)
2017-10-12 12:49 ` Liang, Kan
2017-10-12 14:43 ` Wangnan (F)
2017-10-10 19:36 ` Liang, Kan
2017-10-10 17:20 ` [PATCH 03/10] perf tool: new iterfaces to read event from ring buffer kan.liang
2017-10-10 18:15 ` Arnaldo Carvalho de Melo
2017-10-10 18:28 ` Liang, Kan
2017-10-10 18:34 ` Arnaldo Carvalho de Melo
2017-10-10 18:36 ` Arnaldo Carvalho de Melo
2017-10-10 19:00 ` Arnaldo Carvalho de Melo
2017-10-10 19:10 ` Wangnan (F)
2017-10-10 19:17 ` Arnaldo Carvalho de Melo
2017-10-10 19:22 ` Wangnan (F)
2017-10-10 19:55 ` Liang, Kan
2017-10-10 19:59 ` Wangnan (F)
2017-10-10 17:20 ` [PATCH 04/10] perf tool: perf_mmap__read_init wrapper for evlist kan.liang
2017-10-10 17:20 ` [PATCH 05/10] perf top: apply new mmap_read interfaces kan.liang
2017-10-10 17:20 ` kan.liang [this message]
2017-10-10 17:20 ` [PATCH 07/10] perf kvm: " kan.liang
2017-10-10 17:20 ` [PATCH 08/10] perf python: " kan.liang
2017-10-10 17:20 ` [PATCH 09/10] perf tests: " kan.liang
2017-10-10 17:20 ` [PATCH 10/10] perf tool: remove stale " kan.liang
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