From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758175AbZCRDe0 (ORCPT ); Tue, 17 Mar 2009 23:34:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757350AbZCRDcz (ORCPT ); Tue, 17 Mar 2009 23:32:55 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:53617 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756173AbZCRDcw (ORCPT ); Tue, 17 Mar 2009 23:32:52 -0400 Message-Id: <20090318033249.888398770@goodmis.org> References: <20090318031423.981603258@goodmis.org> User-Agent: quilt/0.46-1 Date: Tue, 17 Mar 2009 23:14:28 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Thomas Gleixner , Peter Zijlstra , Frederic Weisbecker , Arjan van de Ven , Miklos Szeredi , Steven Rostedt Subject: [PATCH 5/5] tracing: make power tracer start/stop methods lighter weight Content-Disposition: inline; filename=0005-tracing-make-power-tracer-start-stop-methods-lighte.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Rostedt The start/stop methods of a tracer should be able to be executed in all contexts. This patch converts the power tracer to do so. Signed-off-by: Steven Rostedt --- kernel/trace/trace_power.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c index 91ce672..bae791e 100644 --- a/kernel/trace/trace_power.c +++ b/kernel/trace/trace_power.c @@ -122,12 +122,16 @@ fail_start: static void start_power_trace(struct trace_array *tr) { trace_power_enabled = 1; - tracing_power_register(); } static void stop_power_trace(struct trace_array *tr) { trace_power_enabled = 0; +} + +static void power_trace_reset(struct trace_array *tr) +{ + trace_power_enabled = 0; unregister_trace_power_start(probe_power_start); unregister_trace_power_end(probe_power_end); unregister_trace_power_mark(probe_power_mark); @@ -188,7 +192,7 @@ static struct tracer power_tracer __read_mostly = .init = power_trace_init, .start = start_power_trace, .stop = stop_power_trace, - .reset = stop_power_trace, + .reset = power_trace_reset, .print_line = power_print_line, }; -- 1.6.2 --