39811569e4
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>
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM thermal
|
|
|
|
#if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_THERMAL_H
|
|
|
|
#include <linux/thermal.h>
|
|
#include <linux/tracepoint.h>
|
|
|
|
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)
|
|
);
|
|
|
|
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 */
|
|
#include <trace/define_trace.h>
|