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coda_opstats.h (171414) coda_opstats.h (176139)
1/*-
1/*-
2 *
2 *
3 * Coda: an Experimental Distributed File System
4 * Release 3.1
3 * Coda: an Experimental Distributed File System
4 * Release 3.1
5 *
5 *
6 * Copyright (c) 1987-1998 Carnegie Mellon University
7 * All Rights Reserved
6 * Copyright (c) 1987-1998 Carnegie Mellon University
7 * All Rights Reserved
8 *
8 *
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation, and
14 * that credit is given to Carnegie Mellon University in all documents
15 * and publicity pertaining to direct or indirect use of this code or its
16 * derivatives.
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation, and
14 * that credit is given to Carnegie Mellon University in all documents
15 * and publicity pertaining to direct or indirect use of this code or its
16 * derivatives.
17 *
17 *
18 * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
19 * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
20 * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
21 * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
22 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
23 * ANY DERIVATIVE WORK.
18 * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
19 * SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
20 * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
21 * DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
22 * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
23 * ANY DERIVATIVE WORK.
24 *
24 *
25 * Carnegie Mellon encourages users of this software to return any
26 * improvements or extensions that they make, and to grant Carnegie
27 * Mellon the rights to redistribute these changes without encumbrance.
25 * Carnegie Mellon encourages users of this software to return any
26 * improvements or extensions that they make, and to grant Carnegie
27 * Mellon the rights to redistribute these changes without encumbrance.
28 *
29 * @(#) src/sys/coda/coda_opstats.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
30 * $FreeBSD: head/sys/fs/coda/coda_opstats.h 139745 2005-01-05 23:35:00Z imp $
31 *
28 *
29 * @(#) src/sys/coda/coda_opstats.h,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
30 * $FreeBSD: head/sys/fs/coda/coda_opstats.h 176139 2008-02-10 11:18:12Z rwatson $
31 *
32 */
33
32 */
33
34#ifndef _CODA_OPSTATS_H_
35#define _CODA_OPSTATS_H_
36
34/*
37/*
35 * operation stats: what the minicache can intercept that
36 * *isn't* seen by venus. These stats are kept to augment
37 * the stats maintained by the Volume-Session mechanism.
38 * Operation stats: what the minicache can intercept that *isn't* seen by
39 * venus. These stats are kept to augment the stats maintained by the
40 * Volume-Session mechanism.
38 */
39
41 */
42
40/* vfsops:
43/*-
44 * vfsops:
41 * mount: not currently bounced to Venus
42 * umount: nope
43 * root: only first call, rest is cached.
44 * statfs: none (bogus)
45 * sync: none (bogus)
46 * vget: all
47 */
45 * mount: not currently bounced to Venus
46 * umount: nope
47 * root: only first call, rest is cached.
48 * statfs: none (bogus)
49 * sync: none (bogus)
50 * vget: all
51 */
52#define CODA_MOUNT_STATS 0
53#define CODA_UMOUNT_STATS 1
54#define CODA_ROOT_STATS 2
55#define CODA_STATFS_STATS 3
56#define CODA_SYNC_STATS 4
57#define CODA_VGET_STATS 5
58#define CODA_VFSOPS_SIZE 6
48
59
49#define CODA_MOUNT_STATS 0
50#define CODA_UMOUNT_STATS 1
51#define CODA_ROOT_STATS 2
52#define CODA_STATFS_STATS 3
53#define CODA_SYNC_STATS 4
54#define CODA_VGET_STATS 5
55#define CODA_VFSOPS_SIZE 6
56
57/* vnodeops:
60/*-
61 * vnodeops:
58 * open: all to venus
59 * close: all to venus
60 * rdrw: bogus. Maybe redirected to UFS.
61 * May call open/close for internal opens/closes
62 * (Does exec not call open?)
63 * ioctl: causes a lookupname
64 * passes through
65 * select: can't get there from here.

--- 9 unchanged lines hidden (view full) ---

75 * link: passes through
76 * rename: passes through
77 * mkdir: passes through
78 * rmdir: passes through
79 * symlink: passes through
80 * readdir: may be redirected to UFS
81 * may cause an "internal" open/close
82 */
62 * open: all to venus
63 * close: all to venus
64 * rdrw: bogus. Maybe redirected to UFS.
65 * May call open/close for internal opens/closes
66 * (Does exec not call open?)
67 * ioctl: causes a lookupname
68 * passes through
69 * select: can't get there from here.

--- 9 unchanged lines hidden (view full) ---

79 * link: passes through
80 * rename: passes through
81 * mkdir: passes through
82 * rmdir: passes through
83 * symlink: passes through
84 * readdir: may be redirected to UFS
85 * may cause an "internal" open/close
86 */
87#define CODA_OPEN_STATS 0
88#define CODA_CLOSE_STATS 1
89#define CODA_RDWR_STATS 2
90#define CODA_IOCTL_STATS 3
91#define CODA_SELECT_STATS 4
92#define CODA_GETATTR_STATS 5
93#define CODA_SETATTR_STATS 6
94#define CODA_ACCESS_STATS 7
95#define CODA_READLINK_STATS 8
96#define CODA_FSYNC_STATS 9
97#define CODA_INACTIVE_STATS 10
98#define CODA_LOOKUP_STATS 11
99#define CODA_CREATE_STATS 12
100#define CODA_REMOVE_STATS 13
101#define CODA_LINK_STATS 14
102#define CODA_RENAME_STATS 15
103#define CODA_MKDIR_STATS 16
104#define CODA_RMDIR_STATS 17
105#define CODA_SYMLINK_STATS 18
106#define CODA_READDIR_STATS 19
107#define CODA_VNODEOPS_SIZE 20
83
108
84#define CODA_OPEN_STATS 0
85#define CODA_CLOSE_STATS 1
86#define CODA_RDWR_STATS 2
87#define CODA_IOCTL_STATS 3
88#define CODA_SELECT_STATS 4
89#define CODA_GETATTR_STATS 5
90#define CODA_SETATTR_STATS 6
91#define CODA_ACCESS_STATS 7
92#define CODA_READLINK_STATS 8
93#define CODA_FSYNC_STATS 9
94#define CODA_INACTIVE_STATS 10
95#define CODA_LOOKUP_STATS 11
96#define CODA_CREATE_STATS 12
97#define CODA_REMOVE_STATS 13
98#define CODA_LINK_STATS 14
99#define CODA_RENAME_STATS 15
100#define CODA_MKDIR_STATS 16
101#define CODA_RMDIR_STATS 17
102#define CODA_SYMLINK_STATS 18
103#define CODA_READDIR_STATS 19
104#define CODA_VNODEOPS_SIZE 20
105
106/*
107 * I propose the following structres:
108 */
109/*
110 * I propose the following structres:
111 */
109
110struct coda_op_stats {
112struct coda_op_stats {
111 int opcode; /* vfs opcode */
112 long entries; /* number of times call attempted */
113 long sat_intrn; /* number of times call satisfied by cache */
114 long unsat_intrn; /* number of times call failed in cache, but
115 was not bounced to venus proper. */
116 long gen_intrn; /* number of times call generated internally */
117 /* (do we need that?) */
113 int opcode; /* vfs opcode */
114 long entries; /* number of times call attempted */
115 long sat_intrn; /* number of times call satisfied by cache */
116 long unsat_intrn; /* number of times call failed in cache, but */
117 /* was not bounced to venus proper. */
118 long gen_intrn; /* number of times call generated internally */
119 /* (do we need that?) */
118};
119
120/*
120};
121
122/*
121 * With each call to the minicache, we'll bump the counters whenver
122 * a call is satisfied internally (through the cache or through a
123 * redirect), and whenever an operation is caused internally.
124 * Then, we can add the total operations caught by the minicache
125 * to the world-wide totals, and leave a caveat for the specific
126 * graphs later.
123 * With each call to the minicache, we'll bump the counters whenver a call is
124 * satisfied internally (through the cache or through a redirect), and
125 * whenever an operation is caused internally. Then, we can add the total
126 * operations caught by the minicache to the world-wide totals, and leave a
127 * caveat for the specific graphs later.
127 */
128 */
129
130#endif /* !_CODA_OPSTATS_H_ */