diff options
| -rw-r--r-- | drivers/thermal/fair_share.c | 12 | ||||
| -rw-r--r-- | drivers/thermal/step_wise.c | 5 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.c | 2 | ||||
| -rw-r--r-- | include/trace/events/thermal.h | 26 |
4 files changed, 44 insertions, 1 deletions
diff --git a/drivers/thermal/fair_share.c b/drivers/thermal/fair_share.c index 944ba2f340c8..6e0a3fbfae86 100644 --- a/drivers/thermal/fair_share.c +++ b/drivers/thermal/fair_share.c @@ -23,6 +23,7 @@ */ #include <linux/thermal.h> +#include <trace/events/thermal.h> #include "thermal_core.h" @@ -34,6 +35,7 @@ static int get_trip_level(struct thermal_zone_device *tz) { int count = 0; unsigned long trip_temp; + enum thermal_trip_type trip_type; if (tz->trips == 0 || !tz->ops->get_trip_temp) return 0; @@ -43,6 +45,16 @@ static int get_trip_level(struct thermal_zone_device *tz) if (tz->temperature < trip_temp) break; } + + /* + * count > 0 only if temperature is greater than first trip + * point, in which case, trip_point = count - 1 + */ + if (count > 0) { + tz->ops->get_trip_type(tz, count - 1, &trip_type); + trace_thermal_zone_trip(tz, count - 1, trip_type); + } + return count; } 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); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index c74c78d28699..454884aa15f7 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -371,6 +371,8 @@ static void handle_critical_trips(struct thermal_zone_device *tz, if (tz->temperature < trip_temp) return; + trace_thermal_zone_trip(tz, trip, trip_type); + if (tz->ops->notify) tz->ops->notify(tz, trip, trip_type); diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h index 894a79ea0686..0f4f95d63c03 100644 --- a/include/trace/events/thermal.h +++ b/include/trace/events/thermal.h @@ -51,6 +51,32 @@ TRACE_EVENT(cdev_update, TP_printk("type=%s target=%lu", __get_str(type), __entry->target) ); +TRACE_EVENT(thermal_zone_trip, + + TP_PROTO(struct thermal_zone_device *tz, int trip, + enum thermal_trip_type trip_type), + + TP_ARGS(tz, trip, trip_type), + + TP_STRUCT__entry( + __string(thermal_zone, tz->type) + __field(int, id) + __field(int, trip) + __field(enum thermal_trip_type, trip_type) + ), + + TP_fast_assign( + __assign_str(thermal_zone, tz->type); + __entry->id = tz->id; + __entry->trip = trip; + __entry->trip_type = trip_type; + ), + + TP_printk("thermal_zone=%s id=%d trip=%d trip_type=%d", + __get_str(thermal_zone), __entry->id, __entry->trip, + __entry->trip_type) +); + #endif /* _TRACE_THERMAL_H */ /* This part must be outside protection */ |