Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754112Ab3DKGzR (ORCPT ); Thu, 11 Apr 2013 02:55:17 -0400 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:45830 "EHLO LGEMRELSE6Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753612Ab3DKGzK (ORCPT ); Thu, 11 Apr 2013 02:55:10 -0400 X-AuditID: 9c930179-b7b2aae000000518-2b-51665e4a7aff From: Namhyung Kim To: Steven Rostedt Cc: Frederic Weisbecker , Ingo Molnar , LKML , Namhyung Kim Subject: [PATCH 2/2] tracing: Reset ftrace_graph_filter_enabled if count is zero Date: Thu, 11 Apr 2013 15:55:02 +0900 Message-Id: <1365663302-2170-2-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1365663302-2170-1-git-send-email-namhyung@kernel.org> References: <1365663302-2170-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 909 Lines: 35 From: Namhyung Kim The ftrace_graph_count can be decreased with a "!" pattern, so that the enabled flag should be updated too. Signed-off-by: Namhyung Kim --- kernel/trace/ftrace.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index be2bcb7ab2f7..3b5ef16692c5 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3779,7 +3779,11 @@ out: if (fail) return -EINVAL; - ftrace_graph_filter_enabled = 1; + if (*idx) + ftrace_graph_filter_enabled = 1; + else + ftrace_graph_filter_enabled = 0; + return 0; } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/