diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-02-07 22:16:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 10:51:38 +0100 |
| commit | 1292211058aaf872eeb2a0e2677d237916b4501f (patch) | |
| tree | 7127ffe80e42faed85bf45b4182c97a39f299642 /include/trace/power.h | |
| parent | 7447dce96f2233d250bc39a4a10a42f7c3dd46fc (diff) | |
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>
Diffstat (limited to 'include/trace/power.h')
| -rw-r--r-- | include/trace/power.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/trace/power.h b/include/trace/power.h new file mode 100644 index 000000000000..c7cefbcdaea4 --- /dev/null +++ b/include/trace/power.h @@ -0,0 +1,35 @@ +#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 */ |