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authorFrederic Weisbecker <fweisbec@gmail.com>2009-02-07 22:16:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-09 10:51:38 +0100
commit1292211058aaf872eeb2a0e2677d237916b4501f (patch)
tree7127ffe80e42faed85bf45b4182c97a39f299642 /include/trace
parent7447dce96f2233d250bc39a4a10a42f7c3dd46fc (diff)
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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')
-rw-r--r--include/trace/power.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/trace/power.h b/include/trace/power.h
new file mode 100644
index 00000000000..c7cefbcdaea
--- /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 */