include/trace/events/power.h

#undef TRACE_SYSTEM
#define TRACE_SYSTEM power

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

#include <linux/ktime.h>
#include <linux/pm_qos.h>
#include <linux/tracepoint.h>

DECLARE_EVENT_CLASS(cpu,

	TP_PROTO(unsigned int state, unsigned int cpu_id),

	TP_ARGS(state, cpu_id),

	TP_STRUCT__entry(
		__field(	u32,		state		)
		__field(	u32,		cpu_id		)
	),

	TP_fast_assign(
		__entry->state = state;
		__entry->cpu_id = cpu_id;
	),

	TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
		  (unsigned long)__entry->cpu_id)
);

DEFINE_EVENT(cpu, cpu_idle,

	TP_PROTO(unsigned int state, unsigned int cpu_id),

	TP_ARGS(state, cpu_id)
);

/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING

#define PWR_EVENT_EXIT -1
#endif

DEFINE_EVENT(cpu, cpu_frequency,

	TP_PROTO(unsigned int frequency, unsigned int cpu_id),

	TP_ARGS(frequency, cpu_id)
);

TRACE_EVENT(machine_suspend,

	TP_PROTO(unsigned int state),

	TP_ARGS(state),

	TP_STRUCT__entry(
		__field(	u32,		state		)
	),

	TP_fast_assign(
		__entry->state = state;
	),

	TP_printk("state=%lu", (unsigned long)__entry->state)
);

DECLARE_EVENT_CLASS(wakeup_source,

	TP_PROTO(const char *name, unsigned int state),

	TP_ARGS(name, state),

	TP_STRUCT__entry(
		__string(       name,           name            )
		__field(        u64,            state           )
	),

	TP_fast_assign(
		__assign_str(name, name);
		__entry->state = state;
	),

	TP_printk("%s state=0x%lx", __get_str(name),
		(unsigned long)__entry->state)
);

DEFINE_EVENT(wakeup_source, wakeup_source_activate,

	TP_PROTO(const char *name, unsigned int state),

	TP_ARGS(name, state)
);

DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,

	TP_PROTO(const char *name, unsigned int state),

	TP_ARGS(name, state)
);

/*
 * The clock events are used for clock enable/disable and for
 *  clock rate change
 */
DECLARE_EVENT_CLASS(clock,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id),

	TP_STRUCT__entry(
		__string(       name,           name            )
		__field(        u64,            state           )
		__field(        u64,            cpu_id          )
	),

	TP_fast_assign(
		__assign_str(name, name);
		__entry->state = state;
		__entry->cpu_id = cpu_id;
	),

	TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
		(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);

DEFINE_EVENT(clock, clock_enable,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id)
);

DEFINE_EVENT(clock, clock_disable,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id)
);

DEFINE_EVENT(clock, clock_set_rate,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id)
);

/*
 * The power domain events are used for power domains transitions
 */
DECLARE_EVENT_CLASS(power_domain,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id),

	TP_STRUCT__entry(
		__string(       name,           name            )
		__field(        u64,            state           )
		__field(        u64,            cpu_id          )
	),

	TP_fast_assign(
		__assign_str(name, name);
		__entry->state = state;
		__entry->cpu_id = cpu_id;
),

	TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
		(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);

DEFINE_EVENT(power_domain, power_domain_target,

	TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

	TP_ARGS(name, state, cpu_id)
);

/*
 * The pm qos events are used for pm qos update
 */
DECLARE_EVENT_CLASS(pm_qos_update,

	TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

	TP_ARGS(action, prev_value, curr_value),

	TP_STRUCT__entry(
		__field( enum pm_qos_req_action, action         )
		__field( int,                    prev_value     )
		__field( int,                    curr_value     )
	),

	TP_fast_assign(
		__entry->action = action;
		__entry->prev_value = prev_value;
		__entry->curr_value = curr_value;
	),

	TP_printk("action=%s prev_value=%d curr_value=%d",
		  __print_symbolic(__entry->action,
			{ PM_QOS_ADD_REQ,	"ADD_REQ" },
			{ PM_QOS_UPDATE_REQ,	"UPDATE_REQ" },
			{ PM_QOS_REMOVE_REQ,	"REMOVE_REQ" }),
		  __entry->prev_value, __entry->curr_value)
);

DEFINE_EVENT(pm_qos_update, pm_qos_update_target,

	TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

	TP_ARGS(action, prev_value, curr_value)
);

DEFINE_EVENT_PRINT(pm_qos_update, pm_qos_update_flags,

	TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

	TP_ARGS(action, prev_value, curr_value),

	TP_printk("action=%s prev_value=0x%x curr_value=0x%x",
		  __print_symbolic(__entry->action,
			{ PM_QOS_ADD_REQ,	"ADD_REQ" },
			{ PM_QOS_UPDATE_REQ,	"UPDATE_REQ" },
			{ PM_QOS_REMOVE_REQ,	"REMOVE_REQ" }),
		  __entry->prev_value, __entry->curr_value)
);
#endif /* _TRACE_POWER_H */

/* This part must be outside protection */
#include <trace/define_trace.h>