drivers/thermal/thermal_trace.h

Source file repositories/reference/linux-study-clean/drivers/thermal/thermal_trace.h

File Facts

System
Linux kernel
Corpus path
drivers/thermal/thermal_trace.h
Extension
.h
Size
4873 bytes
Lines
208
Domain
Driver Families
Bucket
drivers/thermal
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM thermal

#if !defined(_TRACE_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_THERMAL_H

#include <linux/devfreq.h>
#include <linux/thermal.h>
#include <linux/tracepoint.h>

#include "thermal_core.h"

TRACE_DEFINE_ENUM(THERMAL_TRIP_CRITICAL);
TRACE_DEFINE_ENUM(THERMAL_TRIP_HOT);
TRACE_DEFINE_ENUM(THERMAL_TRIP_PASSIVE);
TRACE_DEFINE_ENUM(THERMAL_TRIP_ACTIVE);

#define show_tzt_type(type)					\
	__print_symbolic(type,					\
			 { THERMAL_TRIP_CRITICAL, "CRITICAL"},	\
			 { THERMAL_TRIP_HOT,      "HOT"},	\
			 { THERMAL_TRIP_PASSIVE,  "PASSIVE"},	\
			 { THERMAL_TRIP_ACTIVE,   "ACTIVE"})

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);
		__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);
		__entry->target = target;
	),

	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);
		__entry->id = tz->id;
		__entry->trip = trip;
		__entry->trip_type = trip_type;
	),

	TP_printk("thermal_zone=%s id=%d trip=%d trip_type=%s",

Annotation

Implementation Notes