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