opd_sample_files.c File Reference

Management of sample files. More...

#include <sys/types.h>
#include "opd_sample_files.h"
#include "opd_image.h"
#include "opd_printf.h"
#include "opd_events.h"
#include "oprofiled.h"
#include "op_sample_file.h"
#include "op_file.h"
#include "op_config.h"
#include "op_mangle.h"
#include "op_events.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

Include dependency graph for opd_sample_files.c:

Defines
#define	LRU_AMOUNT   1000
Functions
void	opd_24_sfile_lru (struct opd_24_sfile *sfile)
int	opd_open_24_sample_file (struct opd_image *image, int counter, int cpu_nr)
	opd_open_24_sample_file - open an image sample file
void	opd_sync_samples_files (void)
	sync all samples files
void	opd_close_image_samples_files (struct opd_image *image)

---

Detailed Description

Management of sample files.

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

John Levon

Philippe Elie

---

Define Documentation

#define LRU_AMOUNT   1000

Referenced by operf_sfile_lru_clear(), and sfile_lru_clear().

---

Function Documentation

void opd_24_sfile_lru

(

struct opd_24_sfile *

sfile

)

Parameters:

sfile

sample file to act on

put sfile at the head of samples files lru list

References opd_24_sfile::lru_next.

Referenced by opd_put_image_sample().

void opd_close_image_samples_files

(

struct opd_image *

image

)

Parameters:

image

the image pointer to work on

close all samples files belonging to this image

References opd_24_sfile::lru_next, NR_CPUS, odb_close(), op_nr_counters, opd_24_sfile::sample_file, and opd_image::sfiles.

Referenced by opd_delete_image().

int opd_open_24_sample_file	(	struct opd_image *	image,
		int	counter,
		int	cpu_nr
	)

opd_open_24_sample_file - open an image sample file

Parameters:

	image	image to open file for
	counter	counter number
	cpu_nr	cpu number

Open image sample file for the image, counter counter and set up memory mappings for it. image->kernel and image->name must have meaningful values.

Returns 0 on success.

References create_path(), fill_header(), opd_image::kernel, opd_24_sfile::lru_next, opd_image::mtime, odb_get_data(), odb_init(), odb_open(), ODB_RDWR, opd_24_sfile::sample_file, opd_image::sfiles, verbprintf, and vsfile.

Referenced by opd_put_image_sample().

void opd_sync_samples_files

(

void

)

sync all samples files

References list_entry, list_for_each, opd_24_sfile::lru_next, odb_sync(), and opd_24_sfile::sample_file.