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![Arve Hjønnevåg](/assets/img/avatar_default.png)
Add tracepoints to wakeup_source_activate and wakeup_source_deactivate. Useful for checking that specific wakeup sources overlap as expected. Signed-off-by: Arve Hjønnevåg <arve@android.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
275 lines
5.9 KiB
C
275 lines
5.9 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM power
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#if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_POWER_H
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#include <linux/ktime.h>
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#include <linux/tracepoint.h>
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DECLARE_EVENT_CLASS(cpu,
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TP_PROTO(unsigned int state, unsigned int cpu_id),
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TP_ARGS(state, cpu_id),
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TP_STRUCT__entry(
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__field( u32, state )
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__field( u32, cpu_id )
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),
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TP_fast_assign(
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__entry->state = state;
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__entry->cpu_id = cpu_id;
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),
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TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
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(unsigned long)__entry->cpu_id)
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);
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DEFINE_EVENT(cpu, cpu_idle,
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TP_PROTO(unsigned int state, unsigned int cpu_id),
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TP_ARGS(state, cpu_id)
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);
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/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
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#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
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#define _PWR_EVENT_AVOID_DOUBLE_DEFINING
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#define PWR_EVENT_EXIT -1
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#endif
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DEFINE_EVENT(cpu, cpu_frequency,
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TP_PROTO(unsigned int frequency, unsigned int cpu_id),
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TP_ARGS(frequency, cpu_id)
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);
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TRACE_EVENT(machine_suspend,
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TP_PROTO(unsigned int state),
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TP_ARGS(state),
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TP_STRUCT__entry(
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__field( u32, state )
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),
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TP_fast_assign(
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__entry->state = state;
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),
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TP_printk("state=%lu", (unsigned long)__entry->state)
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);
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DECLARE_EVENT_CLASS(wakeup_source,
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TP_PROTO(const char *name, unsigned int state),
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TP_ARGS(name, state),
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TP_STRUCT__entry(
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__string( name, name )
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__field( u64, state )
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->state = state;
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),
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TP_printk("%s state=0x%lx", __get_str(name),
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(unsigned long)__entry->state)
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);
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DEFINE_EVENT(wakeup_source, wakeup_source_activate,
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TP_PROTO(const char *name, unsigned int state),
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TP_ARGS(name, state)
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);
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DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,
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TP_PROTO(const char *name, unsigned int state),
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TP_ARGS(name, state)
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);
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#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
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/*
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* The power events are used for cpuidle & suspend (power_start, power_end)
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* and for cpufreq (power_frequency)
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*/
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DECLARE_EVENT_CLASS(power,
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TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
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TP_ARGS(type, state, cpu_id),
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TP_STRUCT__entry(
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__field( u64, type )
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__field( u64, state )
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__field( u64, cpu_id )
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),
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TP_fast_assign(
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__entry->type = type;
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__entry->state = state;
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__entry->cpu_id = cpu_id;
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),
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TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
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(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
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);
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DEFINE_EVENT(power, power_start,
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TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
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TP_ARGS(type, state, cpu_id)
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);
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DEFINE_EVENT(power, power_frequency,
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TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
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TP_ARGS(type, state, cpu_id)
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);
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TRACE_EVENT(power_end,
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TP_PROTO(unsigned int cpu_id),
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TP_ARGS(cpu_id),
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TP_STRUCT__entry(
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__field( u64, cpu_id )
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),
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TP_fast_assign(
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__entry->cpu_id = cpu_id;
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),
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TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
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);
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/* Deprecated dummy functions must be protected against multi-declartion */
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#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
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#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
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enum {
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POWER_NONE = 0,
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POWER_CSTATE = 1,
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POWER_PSTATE = 2,
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};
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#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
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#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
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#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
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#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
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enum {
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POWER_NONE = 0,
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POWER_CSTATE = 1,
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POWER_PSTATE = 2,
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};
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/* These dummy declaration have to be ripped out when the deprecated
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events get removed */
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static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
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static inline void trace_power_end(u64 cpuid) {};
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static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
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static inline void trace_power_end_rcuidle(u64 cpuid) {};
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static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
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#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
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#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
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/*
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* The clock events are used for clock enable/disable and for
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* clock rate change
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*/
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DECLARE_EVENT_CLASS(clock,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id),
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TP_STRUCT__entry(
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__string( name, name )
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__field( u64, state )
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__field( u64, cpu_id )
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->state = state;
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__entry->cpu_id = cpu_id;
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),
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TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
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(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
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);
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DEFINE_EVENT(clock, clock_enable,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id)
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);
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DEFINE_EVENT(clock, clock_disable,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id)
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);
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DEFINE_EVENT(clock, clock_set_rate,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id)
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);
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/*
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* The power domain events are used for power domains transitions
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*/
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DECLARE_EVENT_CLASS(power_domain,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id),
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TP_STRUCT__entry(
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__string( name, name )
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__field( u64, state )
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__field( u64, cpu_id )
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),
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TP_fast_assign(
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__assign_str(name, name);
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__entry->state = state;
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__entry->cpu_id = cpu_id;
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),
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TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
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(unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
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);
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DEFINE_EVENT(power_domain, power_domain_target,
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TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),
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TP_ARGS(name, state, cpu_id)
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);
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#endif /* _TRACE_POWER_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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