linux-kernel - [PATCH 1/2] perf tools: Honour the cpu list parameter when also monitoring a thread list

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Message-Id: <1305477500-20739-2-git-send-email-acme@infradead.org>
Date:	Sun, 15 May 2011 13:38:19 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Tom Zanussi <tzanussi@...il.com>
Subject: [PATCH 1/2] perf tools: Honour the cpu list parameter when also monitoring a thread list

From: Arnaldo Carvalho de Melo <acme@...hat.com>

The perf_evlist__create_maps was discarding the --cpu parameter when a
--pid or --tid was specified, fix that.

Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Tom Zanussi <tzanussi@...il.com>
Link: http://lkml.kernel.org/r/20110426204401.GB1746@ghostprotocols.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evlist.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 45da8d1..1884a7c 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -348,7 +348,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
 	if (evlist->threads == NULL)
 		return -1;
 
-	if (target_tid != -1)
+	if (cpu_list == NULL && target_tid != -1)
 		evlist->cpus = cpu_map__dummy_new();
 	else
 		evlist->cpus = cpu_map__new(cpu_list);
-- 
1.6.2.5

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