darshan-log-format.h 1.99 KB
Newer Older
1
2
3
4
5
/*
 *  (C) 2009 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */

6
7
8
9
10
11
#ifndef __DARSHAN_LOG_FORMAT_H
#define __DARSHAN_LOG_FORMAT_H

#include <unistd.h>
#include <sys/types.h>
#include <stdint.h>
12
#include <inttypes.h>
13

14
15
#if !defined PRId64
#error failed to detect PRId64
16
#endif
17
18
#if !defined PRIu64
#error failed to detect PRIu64
Philip Carns's avatar
Philip Carns committed
19
#endif
20

21
/* update this on file format changes */
22
#define CP_VERSION "3.00"
23

24
25
26
/* magic number for validating output files and checking byte order */
#define CP_MAGIC_NR 6567223

27
/* size (in bytes) of job record */
Philip Carns's avatar
Philip Carns committed
28
#define CP_JOB_RECORD_SIZE 4096
29
30
31
32

/* max length of exe string within job record (not counting '\0') */
#define CP_EXE_LEN (CP_JOB_RECORD_SIZE - sizeof(struct darshan_job) - 1)

33
34
typedef uint64_t darshan_record_id;

35
36
37
38
39
40
41
/* unique identifiers to distinguish between available darshan modules */
/* NOTES: - valid ids range from [0...DARSHAN_MAX_MODS-1]
 *        - order of ids control module shutdown order (and consequently, order in log file)
 */
#define DARSHAN_MAX_MODS 16
typedef enum
{
42
    DARSHAN_POSIX_MOD = 0,
43
44
45
46
47
    DARSHAN_MPIIO_MOD,
    DARSHAN_HDF5_MOD,
    DARSHAN_PNETCDF_MOD,
} darshan_module_id;

48
49
50
51
52
53
54
55
static char *darshan_module_names[] =
{
    "POSIX",
    "MPI-IO",
    "HDF5",
    "PNETCDF"
};

Shane Snyder's avatar
Shane Snyder committed
56
57
58
enum darshan_comp_type
{
    DARSHAN_GZ_COMP,
59
    DARSHAN_BZ2_COMP, /* TODO: no bz2 support util side, yet */
Shane Snyder's avatar
Shane Snyder committed
60
61
};

62
struct darshan_log_map
63
{
64
65
    uint64_t off;
    uint64_t len;
66
67
};

68
struct darshan_header
69
{
70
71
72
73
74
    char version_string[8];
    int64_t magic_nr;
    unsigned char comp_type;
    struct darshan_log_map rec_map;
    struct darshan_log_map mod_map[DARSHAN_MAX_MODS];
75
76
};

77
/* statistics for the job as a whole */
78
#define DARSHAN_JOB_METADATA_LEN 1024 /* including null terminator! */
79
80
struct darshan_job
{
81
82
83
84
    int64_t uid;
    int64_t start_time;
    int64_t end_time;
    int64_t nprocs;
85
    int64_t jobid;
86
    char metadata[DARSHAN_JOB_METADATA_LEN];
87
88
};

89
90
91
92
93
94
struct darshan_record
{
    char* name;
    darshan_record_id id;
};

95
#endif /* __DARSHAN_LOG_FORMAT_H */