From 62524d55e5b9ffe36e3bf3dd7a594114f150b449 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Tue, 17 Mar 2009 20:58:00 -0400 Subject: [PATCH] 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 --- kernel/trace/trace_power.c | 8 ++++++-- 1 file 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, }; -- 2.7.4