power.h
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#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/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)
);
/* This code will be removed after deprecation time exceeded (2.6.41) */
#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
/*
* The power events are used for cpuidle & suspend (power_start, power_end)
* and for cpufreq (power_frequency)
*/
DECLARE_EVENT_CLASS(power,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id),
TP_STRUCT__entry(
__field( u64, type )
__field( u64, state )
__field( u64, cpu_id )
),
TP_fast_assign(
__entry->type = type;
__entry->state = state;
__entry->cpu_id = cpu_id;
),
TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(power, power_start,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id)
);
DEFINE_EVENT(power, power_frequency,
TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
TP_ARGS(type, state, cpu_id)
);
TRACE_EVENT(power_end,
TP_PROTO(unsigned int cpu_id),
TP_ARGS(cpu_id),
TP_STRUCT__entry(
__field( u64, cpu_id )
),
TP_fast_assign(
__entry->cpu_id = cpu_id;
),
TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
);
/* Deprecated dummy functions must be protected against multi-declartion */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
/* These dummy declaration have to be ripped out when the deprecated
events get removed */
static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
static inline void trace_power_end(u64 cpuid) {};
static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
/*
* 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)
);
#endif /* _TRACE_POWER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>