linux-kernel - [tip:perf/urgent] perf record: Fix -C option

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Date:	Mon, 18 Mar 2013 03:53:43 -0700
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung@...nel.org, jolsa@...hat.com, fweisbec@...il.com,
	dsahern@...il.com, tglx@...utronix.de, oleg@...hat.com,
	cjashfor@...ux.vnet.ibm.com, mingo@...e.hu
Subject: [tip:perf/urgent] perf record: Fix -C option

Commit-ID:  e4dd45fe7add0de09e0e5b2b511732d9c86b6ee7
Gitweb:     http://git.kernel.org/tip/e4dd45fe7add0de09e0e5b2b511732d9c86b6ee7
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Mon, 25 Feb 2013 10:52:48 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 13 Mar 2013 16:58:28 -0300

perf record: Fix -C option

Currently the -C option does not work for record command, because of the
targets mismatch when synthesizing threads.

Fixing this by using proper target interface for the synthesize
decision.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Reported-by: Oleg Nesterov <oleg@...hat.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1361785972-7431-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-record.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 774c907..f1a939e 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -573,13 +573,15 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 					 perf_event__synthesize_guest_os, tool);
 	}
 
-	if (!opts->target.system_wide)
+	if (perf_target__has_task(&opts->target))
 		err = perf_event__synthesize_thread_map(tool, evsel_list->threads,
 						  process_synthesized_event,
 						  machine);
-	else
+	else if (perf_target__has_cpu(&opts->target))
 		err = perf_event__synthesize_threads(tool, process_synthesized_event,
 					       machine);
+	else /* command specified */
+		err = 0;
 
 	if (err != 0)
 		goto out_delete_session;
--
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