cpu_buffer.h File Reference

#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/cache.h>
#include <linux/sched.h>
#include <linux/ring_buffer.h>

Go to the source code of this file.

Data Structures
struct	op_sample
struct	oprofile_cpu_buffer

Macros
#define	KERNEL_CTX_SWITCH   (1UL << 0)
#define	IS_KERNEL   (1UL << 1)
#define	TRACE_BEGIN   (1UL << 2)
#define	USER_CTX_SWITCH   (1UL << 3)

Functions
int	alloc_cpu_buffers (void)
void	free_cpu_buffers (void)
void	start_cpu_work (void)
void	end_cpu_work (void)
void	flush_cpu_work (void)
	DECLARE_PER_CPU (struct oprofile_cpu_buffer, op_cpu_buffer)
struct op_sample *	op_cpu_buffer_write_reserve (struct op_entry *entry, unsigned long size)
int	op_cpu_buffer_write_commit (struct op_entry *entry)
struct op_sample *	op_cpu_buffer_read_entry (struct op_entry *entry, int cpu)
unsigned long	op_cpu_buffer_entries (int cpu)

Detailed Description

Remarks

Copyright 2002-2009 OProfile authors

Read the file COPYING

Author

John Levon levon.nosp@m.@mov.nosp@m.ement.nosp@m.aria.nosp@m.n.org

Robert Richter rober.nosp@m.t.ri.nosp@m.chter.nosp@m.@amd.nosp@m..com

Definition in file cpu_buffer.h.

Macro Definition Documentation

#define IS_KERNEL   (1UL << 1)

Definition at line 117 of file cpu_buffer.h.

#define KERNEL_CTX_SWITCH   (1UL << 0)

Definition at line 116 of file cpu_buffer.h.

#define TRACE_BEGIN   (1UL << 2)

Definition at line 118 of file cpu_buffer.h.

#define USER_CTX_SWITCH   (1UL << 3)

Definition at line 119 of file cpu_buffer.h.

Function Documentation

int alloc_cpu_buffers

(

void

)

Definition at line 62 of file cpu_buffer.c.

DECLARE_PER_CPU	(	struct oprofile_cpu_buffer	,
		op_cpu_buffer
	)

void end_cpu_work

(

void

)

Definition at line 112 of file cpu_buffer.c.

void flush_cpu_work

(

void

)

Definition at line 117 of file cpu_buffer.c.

void free_cpu_buffers

(

void

)

Definition at line 53 of file cpu_buffer.c.

unsigned long op_cpu_buffer_entries

(

int

cpu

)

Definition at line 176 of file cpu_buffer.c.

struct op_sample* op_cpu_buffer_read_entry ( struct op_entry *  entry, int  cpu  )

read

Definition at line 161 of file cpu_buffer.c.

int op_cpu_buffer_write_commit

(

struct op_entry *

entry

)

Definition at line 156 of file cpu_buffer.c.

struct op_sample* op_cpu_buffer_write_reserve ( struct op_entry *  entry, unsigned long  size  )

read

Definition at line 142 of file cpu_buffer.c.

void start_cpu_work

(

void

)

Definition at line 95 of file cpu_buffer.c.