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tracing/power: move the power trace headers to a dedicated file
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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>
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Frederic Weisbecker authored and Ingo Molnar committed Feb 9, 2009
1 parent 7447dce commit 1292211
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Showing 6 changed files with 39 additions and 33 deletions.
2 changes: 1 addition & 1 deletion arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
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Expand Up @@ -33,7 +33,7 @@
#include <linux/cpufreq.h>
#include <linux/compiler.h>
#include <linux/dmi.h>
#include <linux/ftrace.h>
#include <trace/power.h>

#include <linux/acpi.h>
#include <acpi/processor.h>
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2 changes: 1 addition & 1 deletion arch/x86/kernel/process.c
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Expand Up @@ -8,7 +8,7 @@
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/clockchips.h>
#include <linux/ftrace.h>
#include <trace/power.h>
#include <asm/system.h>
#include <asm/apic.h>

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30 changes: 0 additions & 30 deletions include/linux/ftrace.h
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Expand Up @@ -339,36 +339,6 @@ ftrace_init_module(struct module *mod,
unsigned long *start, unsigned long *end) { }
#endif

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


/*
* Structure that defines an entry function trace.
*/
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35 changes: 35 additions & 0 deletions include/trace/power.h
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@@ -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 */
1 change: 1 addition & 0 deletions kernel/trace/trace.h
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Expand Up @@ -10,6 +10,7 @@
#include <linux/ftrace.h>
#include <trace/boot.h>
#include <trace/kmemtrace.h>
#include <trace/power.h>

enum trace_type {
__TRACE_FIRST_TYPE = 0,
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2 changes: 1 addition & 1 deletion kernel/trace/trace_power.c
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Expand Up @@ -11,7 +11,7 @@

#include <linux/init.h>
#include <linux/debugfs.h>
#include <linux/ftrace.h>
#include <trace/power.h>
#include <linux/kallsyms.h>
#include <linux/module.h>

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