diff options
| author | Punit Agrawal <punit.agrawal@arm.com> | 2014-07-29 12:50:49 +0200 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-07-29 15:27:54 +0200 |
| commit | 39811569e43a81417bc0ddca3d0c7658c3dcd4b0 (patch) | |
| tree | 72f3375f4000c27ba0f15d0a88c64d5536c32a8d /include | |
| parent | thermal: trace: Trace temperature changes (diff) | |
| download | linux-39811569e43a81417bc0ddca3d0c7658c3dcd4b0.tar.xz linux-39811569e43a81417bc0ddca3d0c7658c3dcd4b0.zip | |
thermal: trace: Trace when a cooling device's state is updated
Introduce and use an event to trace when a cooling device's state is
updated. This is useful to follow the effect of governor decisions on
cooling devices.
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 'include')
| -rw-r--r-- | include/trace/events/thermal.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/trace/events/thermal.h b/include/trace/events/thermal.h index 8c5ca96eccd6..894a79ea0686 100644 --- a/include/trace/events/thermal.h +++ b/include/trace/events/thermal.h @@ -32,6 +32,25 @@ TRACE_EVENT(thermal_temperature, __entry->temp) ); +TRACE_EVENT(cdev_update, + + TP_PROTO(struct thermal_cooling_device *cdev, unsigned long target), + + TP_ARGS(cdev, target), + + TP_STRUCT__entry( + __string(type, cdev->type) + __field(unsigned long, target) + ), + + TP_fast_assign( + __assign_str(type, cdev->type); + __entry->target = target; + ), + + TP_printk("type=%s target=%lu", __get_str(type), __entry->target) +); + #endif /* _TRACE_THERMAL_H */ /* This part must be outside protection */ |