linux/include/trace/power.h
Frederic Weisbecker 1292211058 tracing/power: move the power trace headers to a dedicated file
Impact: cleanup

Move the power tracer headers to trace/power.h to keep ftrace.h and power bits
more easy to maintain as separated topics.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-09 10:51:38 +01:00

35 lines
858 B
C

#ifndef _TRACE_POWER_H
#define _TRACE_POWER_H
#include <linux/ktime.h>
enum {
POWER_NONE = 0,
POWER_CSTATE = 1,
POWER_PSTATE = 2,
};
struct power_trace {
#ifdef CONFIG_POWER_TRACER
ktime_t stamp;
ktime_t end;
int type;
int state;
#endif
};
#ifdef CONFIG_POWER_TRACER
extern void trace_power_start(struct power_trace *it, unsigned int type,
unsigned int state);
extern void trace_power_mark(struct power_trace *it, unsigned int type,
unsigned int state);
extern void trace_power_end(struct power_trace *it);
#else
static inline void trace_power_start(struct power_trace *it, unsigned int type,
unsigned int state) { }
static inline void trace_power_mark(struct power_trace *it, unsigned int type,
unsigned int state) { }
static inline void trace_power_end(struct power_trace *it) { }
#endif
#endif /* _TRACE_POWER_H */