From 100a8fdbf525bb11796692a713c267be6523a890 Mon Sep 17 00:00:00 2001 From: Punit Agrawal Date: Tue, 29 Jul 2014 11:50:48 +0100 Subject: thermal: trace: Trace temperature changes Create a new event to trace the temperature of a thermal zone. Using this event trace the temperature changes of the thermal zone every-time it is updated. Cc: Zhang Rui Cc: Eduardo Valentin Cc: Steven Rostedt Cc: Frederic Weisbecker Cc: Ingo Molnar Signed-off-by: Punit Agrawal Signed-off-by: Eduardo Valentin --- include/trace/events/thermal.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 include/trace/events/thermal.h (limited to 'include/trace/events/thermal.h') diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h new file mode 100644 index 000000000000..8c5ca96eccd6 --- /dev/null +++ b/include/trace/events/thermal.h @@ -0,0 +1,38 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM thermal + +#if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_THERMAL_H + +#include +#include + +TRACE_EVENT(thermal_temperature, + + TP_PROTO(struct thermal_zone_device *tz), + + TP_ARGS(tz), + + TP_STRUCT__entry( + __string(thermal_zone, tz->type) + __field(int, id) + __field(int, temp_prev) + __field(int, temp) + ), + + TP_fast_assign( + __assign_str(thermal_zone, tz->type); + __entry->id = tz->id; + __entry->temp_prev = tz->last_temperature; + __entry->temp = tz->temperature; + ), + + TP_printk("thermal_zone=%s id=%d temp_prev=%d temp=%d", + __get_str(thermal_zone), __entry->id, __entry->temp_prev, + __entry->temp) +); + +#endif /* _TRACE_THERMAL_H */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3-59-g8ed1b