opd_sample_files.h revision cc2ee177dbb3befca43e36cfc56778b006c3d050 
1/**
2 * @file opd_sample_files.h
3 * Management of sample files
4 *
5 * @remark Copyright 2002 OProfile authors
6 * @remark Read the file COPYING
7 *
8 * @author John Levon
9 * @author Philippe Elie
10 */
11
12#ifndef OPD_SAMPLE_FILES_H
13#define OPD_SAMPLE_FILES_H
14
15#include "op_list.h"
16#include "odb.h"
17
18struct opd_image;
19
20/** one samples file when profiling on a 2.2/2.4 kernel */
21struct opd_24_sfile {
22	/** lru list of sample file */
23	struct list_head lru_next;
24	/** the sample file itself */
25	odb_t sample_file;
26};
27
28/**
29 * sync all samples files
30 */
31void opd_sync_samples_files(void);
32
33/**
34 * @param image  the image pointer to work on
35 *
36 * close all samples files belonging to this image
37 */
38void opd_close_image_samples_files(struct opd_image * image);
39
40/**
41 * opd_open_24_sample_file - open an image sample file
42 * @param image  image to open file for
43 * @param counter  counter number
44 * @param cpu_nr  cpu number
45 *
46 * Open image sample file for the image, counter
47 * counter and set up memory mappings for it.
48 * image->kernel and image->name must have meaningful
49 * values.
50 *
51 * Returns 0 on success.
52 */
53int opd_open_24_sample_file(struct opd_image * image, int counter, int cpu_nr);
54
55/**
56 * @param sfile  sample file to act on
57 *
58 * put sfile at the head of samples files lru list
59 */
60void opd_24_sfile_lru(struct opd_24_sfile * sfile);
61
62
63#endif /* OPD_SAMPLE_FILES_H */
64