linux-kernel - [tip:perf/core] perf trace: Move event delivery to a new deliver

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Date:   Tue, 18 Dec 2018 06:28:08 -0800
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     acme@...hat.com, fweisbec@...il.com, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, lclaudio@...g.org, namhyung@...nel.org,
        peterz@...radead.org, ldv@...linux.org,
        alexander.shishkin@...ux.intel.com, mingo@...nel.org,
        esyr@...hat.com, jolsa@...nel.org, hpa@...or.com,
        rostedt@...dmis.org
Subject: [tip:perf/core] perf trace: Move event delivery to a new
 deliver_event() function

Commit-ID:  1f44b3e2fc5d7a2c5f6d1e67c80ebc226d6bd25f
Gitweb:     https://git.kernel.org/tip/1f44b3e2fc5d7a2c5f6d1e67c80ebc226d6bd25f
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Wed, 5 Dec 2018 17:05:08 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 17 Dec 2018 15:02:17 -0300

perf trace: Move event delivery to a new deliver_event() function

Mov event delivery code to a new trace__deliver_event() function, so
it's easier to add ordered delivery coming in the following patches.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Dmitry Levin <ldv@...linux.org>
Cc: Eugene Syromiatnikov <esyr@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Luis Cláudio Gonçalves <lclaudio@...g.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Rostedt (VMware) <rostedt@...dmis.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20181205160509.1168-8-jolsa@kernel.org
[ Add trace__ prefix to the deliver_event method ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-trace.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 98aff12af9e6..3b6b1fecf2bb 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2637,6 +2637,21 @@ static int trace__set_filter_pids(struct trace *trace)
 	return err;
 }
 
+static int trace__deliver_event(struct trace *trace, union perf_event *event)
+{
+	struct perf_evlist *evlist = trace->evlist;
+	struct perf_sample sample;
+	int err;
+
+	err = perf_evlist__parse_sample(evlist, event, &sample);
+	if (err)
+		fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
+	else
+		trace__handle_event(trace, event, &sample);
+
+	return 0;
+}
+
 static int trace__run(struct trace *trace, int argc, const char **argv)
 {
 	struct perf_evlist *evlist = trace->evlist;
@@ -2802,18 +2817,10 @@ again:
 			continue;
 
 		while ((event = perf_mmap__read_event(md)) != NULL) {
-			struct perf_sample sample;
-
 			++trace->nr_events;
 
-			err = perf_evlist__parse_sample(evlist, event, &sample);
-			if (err) {
-				fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
-				goto next_event;
-			}
+			trace__deliver_event(trace, event);
 
-			trace__handle_event(trace, event, &sample);
-next_event:
 			perf_mmap__consume(md);
 
 			if (interrupted)