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authorPunit Agrawal <punit.agrawal@arm.com>2014-07-29 14:50:50 +0400
committerEduardo Valentin <edubezval@gmail.com>2014-07-29 17:28:43 +0400
commit208cd822a19e683bc890f6708786f2420e172d76 (patch)
treed4535734ba2e400b17eaabd365014c6b996ff9f1 /drivers/thermal/step_wise.c
parent39811569e43a81417bc0ddca3d0c7658c3dcd4b0 (diff)
downloadlinux-208cd822a19e683bc890f6708786f2420e172d76.tar.xz
thermal: trace: Trace when temperature is above a trip point
Create a new event to trace when the temperature is above a trip point. Use the trace-point when handling non-critical and critical trip pionts. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/step_wise.c')
-rw-r--r--drivers/thermal/step_wise.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/thermal/step_wise.c b/drivers/thermal/step_wise.c
index f251521baaa2..3b54c2c226d8 100644
--- a/drivers/thermal/step_wise.c
+++ b/drivers/thermal/step_wise.c
@@ -23,6 +23,7 @@
*/
#include <linux/thermal.h>
+#include <trace/events/thermal.h>
#include "thermal_core.h"
@@ -129,8 +130,10 @@ static void thermal_zone_trip_update(struct thermal_zone_device *tz, int trip)
trend = get_tz_trend(tz, trip);
- if (tz->temperature >= trip_temp)
+ if (tz->temperature >= trip_temp) {
throttle = true;
+ trace_thermal_zone_trip(tz, trip, trip_type);
+ }
dev_dbg(&tz->device, "Trip%d[type=%d,temp=%ld]:trend=%d,throttle=%d\n",
trip, trip_type, trip_temp, trend, throttle);