From 9876b1a4431a3f0959c70e1d817ecab6440cb2e6 Mon Sep 17 00:00:00 2001 From: Javi Merino Date: Thu, 10 Sep 2015 18:09:31 +0100 Subject: devfreq_cooling: add trace information Tracing is useful for debugging and performance tuning. Add similar traces to what's present in the cpu cooling device. Cc: Zhang Rui Cc: Eduardo Valentin Cc: Steven Rostedt Cc: Ingo Molnar Signed-off-by: Javi Merino Signed-off-by: Eduardo Valentin --- include/trace/events/thermal.h | 53 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'include/trace/events/thermal.h') diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h index 8b1f80682b80..5738bb3e2343 100644 --- a/include/trace/events/thermal.h +++ b/include/trace/events/thermal.h @@ -4,6 +4,7 @@ #if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_THERMAL_H +#include #include #include @@ -135,6 +136,58 @@ TRACE_EVENT(thermal_power_cpu_limit, __entry->power) ); +TRACE_EVENT(thermal_power_devfreq_get_power, + TP_PROTO(struct thermal_cooling_device *cdev, + struct devfreq_dev_status *status, unsigned long freq, + u32 dynamic_power, u32 static_power), + + TP_ARGS(cdev, status, freq, dynamic_power, static_power), + + TP_STRUCT__entry( + __string(type, cdev->type ) + __field(unsigned long, freq ) + __field(u32, load ) + __field(u32, dynamic_power ) + __field(u32, static_power ) + ), + + TP_fast_assign( + __assign_str(type, cdev->type); + __entry->freq = freq; + __entry->load = (100 * status->busy_time) / status->total_time; + __entry->dynamic_power = dynamic_power; + __entry->static_power = static_power; + ), + + TP_printk("type=%s freq=%lu load=%u dynamic_power=%u static_power=%u", + __get_str(type), __entry->freq, + __entry->load, __entry->dynamic_power, __entry->static_power) +); + +TRACE_EVENT(thermal_power_devfreq_limit, + TP_PROTO(struct thermal_cooling_device *cdev, unsigned long freq, + unsigned long cdev_state, u32 power), + + TP_ARGS(cdev, freq, cdev_state, power), + + TP_STRUCT__entry( + __string(type, cdev->type) + __field(unsigned int, freq ) + __field(unsigned long, cdev_state) + __field(u32, power ) + ), + + TP_fast_assign( + __assign_str(type, cdev->type); + __entry->freq = freq; + __entry->cdev_state = cdev_state; + __entry->power = power; + ), + + TP_printk("type=%s freq=%u cdev_state=%lu power=%u", + __get_str(type), __entry->freq, __entry->cdev_state, + __entry->power) +); #endif /* _TRACE_THERMAL_H */ /* This part must be outside protection */ -- cgit v1.2.3