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thermal: trace: Trace when temperature is above a trip point

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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>
This commit is contained in:
Punit Agrawal
2014-07-29 11:50:50 +01:00
committed by Eduardo Valentin
parent 39811569e4
commit 208cd822a1
4 changed files with 44 additions and 1 deletions
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5
drivers/thermal/step_wise.c
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@@ -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);