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Date: Sat, 7 Feb 2009 22:16:12 +0100
From: Frederic Weisbecker <fweisbec@...il.com>
To: Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>,
LKML <linux-kernel@...r.kernel.org>,
Arjan van de Ven <arjan@...radead.org>
Subject: [PATCH 3/5] 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.
Cc: Arjan van de Ven <arjan@...radead.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 2 +-
arch/x86/kernel/process.c | 2 +-
include/linux/ftrace.h | 30 ------------------------
include/trace/power.h | 35 ++++++++++++++++++++++++++++
kernel/trace/trace.h | 1 +
kernel/trace/trace_power.c | 2 +-
6 files changed, 39 insertions(+), 33 deletions(-)
create mode 100644 include/trace/power.h
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 4b1c319..7ed925e 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -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>
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 19d6336..8603066 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -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>
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 7840e71..b05c9eb 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -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.
*/
diff --git a/include/trace/power.h b/include/trace/power.h
new file mode 100644
index 0000000..c7cefbc
--- /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 */
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index cb8a84b..95dff7d 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -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,
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index bfc21f8..b1d0d08 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -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>
--
1.6.1
--
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