From: Steven Rostedt Date: Wed, 18 Mar 2009 00:58:00 +0000 (-0400) Subject: tracing: make power tracer start/stop methods lighter weight X-Git-Tag: v2.6.30-rc1~2^2~27^2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=62524d55e5b9ffe36e3bf3dd7a594114f150b449;p=karo-tx-linux.git tracing: make power tracer start/stop methods lighter weight 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 --- diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c index 91ce672fb037..bae791ebcc51 100644 --- a/kernel/trace/trace_power.c +++ b/kernel/trace/trace_power.c @@ -122,10 +122,14 @@ 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); @@ -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, };