1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* GFS2 sbstats sysfs file statistics.
*
* Copyright (c) 2013 Red Hat.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef SBSTATS_H
#define SBSTATS_H
enum {
LOCKSTAT_SRTT = 0, /* Non-blocking smoothed round trip time */
LOCKSTAT_SRTTVAR, /* Non-blocking smoothed variance */
LOCKSTAT_SRTTB, /* Blocking smoothed round trip time */
LOCKSTAT_SRTTVARB, /* Blocking smoothed variance */
LOCKSTAT_SIRT, /* Smoothed inter-request time */
LOCKSTAT_SIRTVAR, /* Smoothed inter-request variance */
LOCKSTAT_DCOUNT, /* Count of DLM requests */
LOCKSTAT_QCOUNT, /* Count of gfs2_holder queues */
NUM_LOCKSTATS
};
enum {
LOCKTYPE_RESERVED = 0,
LOCKTYPE_NONDISK,
LOCKTYPE_INODE,
LOCKTYPE_RGRB,
LOCKTYPE_META,
LOCKTYPE_IOPEN,
LOCKTYPE_FLOCK,
LOCKTYPE_PLOCK,
LOCKTYPE_QUOTA,
LOCKTYPE_JOURNAL,
NUM_LOCKTYPES
};
#define SBSTATS_COUNT (NUM_LOCKSTATS*NUM_LOCKTYPES)
struct sbstats {
__uint64_t values[SBSTATS_COUNT];
};
extern void gfs2_sbstats_init(pmdaMetric *, int);
extern int gfs2_sbstats_fetch(int, struct sbstats *, pmAtomValue *);
extern int gfs2_refresh_sbstats(const char *, const char *, struct sbstats *);
#endif /* SBSTATS_H */
|
