mirror of
https://github.com/torvalds/linux
synced 2024-09-28 23:41:21 +00:00
b5f9fd0f8a
Convert the c/p state "power" tracer to use tracepoints. Avoids a function call when the tracer is disabled. Signed-off-by: Jason Baron <jbaron@redhat.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
35 lines
649 B
C
35 lines
649 B
C
#ifndef _TRACE_POWER_H
|
|
#define _TRACE_POWER_H
|
|
|
|
#include <linux/ktime.h>
|
|
#include <linux/tracepoint.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
|
|
};
|
|
|
|
DECLARE_TRACE(power_start,
|
|
TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
|
|
TPARGS(it, type, state));
|
|
|
|
DECLARE_TRACE(power_mark,
|
|
TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
|
|
TPARGS(it, type, state));
|
|
|
|
DECLARE_TRACE(power_end,
|
|
TPPROTO(struct power_trace *it),
|
|
TPARGS(it));
|
|
|
|
#endif /* _TRACE_POWER_H */
|