opd_sample_files.c File Reference

#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>

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Defines
#define	LRU_AMOUNT   1000
Functions
static	LIST_HEAD (lru_list)
static int	opd_24_sfile_lru_clear (void)
void	opd_24_sfile_lru (struct opd_24_sfile *sfile)
static char *	opd_mangle_filename (struct opd_image const *image, int counter, int cpu_nr)
int	opd_open_24_sample_file (struct opd_image *image, int counter, int cpu_nr)
void	opd_sync_samples_files (void)
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

Definition in file opd_sample_files.c.

---

Define Documentation

#define LRU_AMOUNT   1000

Definition at line 35 of file opd_sample_files.c.

Referenced by do_lru(), opd_24_sfile_lru_clear(), operf_sfile_lru_clear(), and sfile_lru_clear().

---

Function Documentation

static LIST_HEAD

(

lru_list

)

[static]

All sfiles are on this list.

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

Definition at line 60 of file opd_sample_files.c.

References list_add_tail(), list_del(), and opd_24_sfile::lru_next.

Referenced by opd_put_image_sample().

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static int opd_24_sfile_lru_clear

(

void

)

[static]

Definition at line 36 of file opd_sample_files.c.

References list_del_init(), list_empty(), list_entry, list_for_each_safe, LRU_AMOUNT, opd_24_sfile::lru_next, odb_close(), opd_24_sfile::sample_file, verbprintf, and vsfile.

Referenced by opd_open_24_sample_file().

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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

Definition at line 166 of file opd_sample_files.c.

References list_del(), 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(), and opd_sighup().

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static char* opd_mangle_filename	(	struct opd_image const *	image,
		int	counter,
		int	cpu_nr
	)			[static]

Definition at line 67 of file opd_sample_files.c.

References opd_image::app_name, mangle_values::count, mangle_values::cpu, mangle_values::dep_name, mangle_values::event_name, find_counter_event(), mangle_values::flags, mangle_values::image_name, opd_image::kernel, MANGLE_CPU, MANGLE_KERNEL, MANGLE_TGID, MANGLE_TID, opd_image::name, op_mangle_filename(), separate_cpu, separate_lib, separate_thread, opd_image::tgid, mangle_values::tgid, opd_image::tid, mangle_values::tid, and mangle_values::unit_mask.

Referenced by opd_open_24_sample_file().

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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.

Definition at line 103 of file opd_sample_files.c.

References create_path(), fill_header(), opd_image::kernel, list_add_tail(), list_del(), list_init(), opd_24_sfile::lru_next, opd_image::mtime, odb_get_data(), odb_init(), odb_open(), ODB_RDWR, opd_24_sfile_lru_clear(), opd_mangle_filename(), opd_24_sfile::sample_file, opd_image::sfiles, verbprintf, and vsfile.

Referenced by opd_put_image_sample().

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void opd_sync_samples_files

(

void

)

sync all samples files

Definition at line 154 of file opd_sample_files.c.

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

Referenced by opd_alarm().

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