aboutsummaryrefslogtreecommitdiff
path: root/include/trace/events/power.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/power.h')
-rw-r--r--include/trace/events/power.h98
1 files changed, 89 insertions, 9 deletions
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 286784d69b8f..1bcc2a8c00e2 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -7,16 +7,67 @@
#include <linux/ktime.h>
#include <linux/tracepoint.h>
-#ifndef _TRACE_POWER_ENUM_
-#define _TRACE_POWER_ENUM_
-enum {
- POWER_NONE = 0,
- POWER_CSTATE = 1, /* C-State */
- POWER_PSTATE = 2, /* Fequency change or DVFS */
- POWER_SSTATE = 3, /* Suspend */
-};
+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)
@@ -75,6 +126,36 @@ TRACE_EVENT(power_end,
);
+/* 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
@@ -153,7 +234,6 @@ DEFINE_EVENT(power_domain, power_domain_target,
TP_ARGS(name, state, cpu_id)
);
-
#endif /* _TRACE_POWER_H */
/* This part must be outside protection */