2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sbin/hammer/cmd_stats.c,v 1.3 2008/07/14 20:28:07 dillon Exp $
39 #include <sys/sysctl.h>
41 static void loaddelay(struct timespec
*ts
, const char *arg
);
44 hammer_cmd_bstats(char **av
, int ac
)
51 struct timespec delay
= { 1, 0 };
57 loaddelay(&delay
, av
[0]);
66 r
|= sysctlnametomib("vfs.hammer.stats_btree_elements",
68 r
|= sysctlnametomib("vfs.hammer.stats_btree_iterations",
70 r
|= sysctlnametomib("vfs.hammer.stats_btree_lookups",
72 r
|= sysctlnametomib("vfs.hammer.stats_btree_inserts",
74 r
|= sysctlnametomib("vfs.hammer.stats_btree_deletes",
76 r
|= sysctlnametomib("vfs.hammer.stats_btree_splits",
79 perror("sysctl: HAMMER stats not available:");
83 for (count
= 0; ; ++count
) {
84 for (i
= 0; i
< 6; ++i
) {
85 size
= sizeof(stats
[0]);
86 r
= sysctl(mibs
[i
], lens
[i
], &stats
[i
], &size
, NULL
, 0);
93 if ((count
& 15) == 1)
94 printf(" elements iterations lookups inserts deletes splits\n");
95 printf("%10lld %10lld %10lld %10lld %10lld %10lld\n",
103 nanosleep(&delay
, NULL
);
104 bcopy(stats
, copy
, sizeof(stats
));
110 hammer_cmd_iostats(char **av
, int ac
)
117 struct timespec delay
= { 1, 0 };
123 loaddelay(&delay
, av
[0]);
134 r
|= sysctlnametomib("vfs.hammer.stats_file_read",
136 r
|= sysctlnametomib("vfs.hammer.stats_file_write",
138 r
|= sysctlnametomib("vfs.hammer.stats_disk_read",
140 r
|= sysctlnametomib("vfs.hammer.stats_disk_write",
142 r
|= sysctlnametomib("vfs.hammer.stats_file_iopsr",
144 r
|= sysctlnametomib("vfs.hammer.stats_file_iopsw",
146 r
|= sysctlnametomib("vfs.hammer.stats_inode_flushes",
148 r
|= sysctlnametomib("vfs.hammer.stats_commits",
151 perror("sysctl: HAMMER stats not available");
155 for (count
= 0; ; ++count
) {
156 for (i
= 0; i
<= 7; ++i
) {
157 size
= sizeof(stats
[0]);
158 r
= sysctl(mibs
[i
], lens
[i
], &stats
[i
], &size
, NULL
, 0);
165 if ((count
& 15) == 1)
166 printf(" file-rd file-wr dev-read dev-write inode_ops ino_flush commits\n");
167 printf("%9lld %9lld %9lld %9lld %9lld %8lld %8lld\n",
172 stats
[4] + stats
[5] - copy
[4] - copy
[5],
176 nanosleep(&delay
, NULL
);
177 bcopy(stats
, copy
, sizeof(stats
));
182 * Convert a delay string (e.g. "0.1") into a timespec.
186 loaddelay(struct timespec
*ts
, const char *arg
)
190 d
= strtod(arg
, NULL
);
194 ts
->tv_nsec
= (int)(modf(d
, &d
) * 1000000000.0);