Frederic Weisbecker | 1292211 | 2009-02-07 22:16:12 +0100 | [diff] [blame^] | 1 | #ifndef _TRACE_POWER_H |
| 2 | #define _TRACE_POWER_H |
| 3 | |
| 4 | #include <linux/ktime.h> |
| 5 | |
| 6 | enum { |
| 7 | POWER_NONE = 0, |
| 8 | POWER_CSTATE = 1, |
| 9 | POWER_PSTATE = 2, |
| 10 | }; |
| 11 | |
| 12 | struct power_trace { |
| 13 | #ifdef CONFIG_POWER_TRACER |
| 14 | ktime_t stamp; |
| 15 | ktime_t end; |
| 16 | int type; |
| 17 | int state; |
| 18 | #endif |
| 19 | }; |
| 20 | |
| 21 | #ifdef CONFIG_POWER_TRACER |
| 22 | extern void trace_power_start(struct power_trace *it, unsigned int type, |
| 23 | unsigned int state); |
| 24 | extern void trace_power_mark(struct power_trace *it, unsigned int type, |
| 25 | unsigned int state); |
| 26 | extern void trace_power_end(struct power_trace *it); |
| 27 | #else |
| 28 | static inline void trace_power_start(struct power_trace *it, unsigned int type, |
| 29 | unsigned int state) { } |
| 30 | static inline void trace_power_mark(struct power_trace *it, unsigned int type, |
| 31 | unsigned int state) { } |
| 32 | static inline void trace_power_end(struct power_trace *it) { } |
| 33 | #endif |
| 34 | |
| 35 | #endif /* _TRACE_POWER_H */ |