HAMMER Util - hammer iostats now reports undo space used.
[dragonfly.git] / sbin / hammer / cmd_stats.c
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1/*
2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
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
16 * distribution.
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.
20 *
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
32 * SUCH DAMAGE.
33 *
2ce66ea0 34 * $DragonFly: src/sbin/hammer/cmd_stats.c,v 1.3 2008/07/14 20:28:07 dillon Exp $
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35 */
36
37#include "hammer.h"
4853b773 38#include <math.h>
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39#include <sys/sysctl.h>
40
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41static void loaddelay(struct timespec *ts, const char *arg);
42
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43void
44hammer_cmd_bstats(char **av, int ac)
45{
46 int mibs[8][16];
e43bcaac 47 size_t lens[8];
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48 int64_t stats[8];
49 int64_t copy[8];
50 size_t size;
4853b773 51 struct timespec delay = { 1, 0 };
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52 int count;
53 int i;
54 int r;
55
56 if (ac > 0)
4853b773 57 loaddelay(&delay, av[0]);
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58 lens[0] = 16;
59 lens[1] = 16;
60 lens[2] = 16;
61 lens[3] = 16;
62 lens[4] = 16;
63 lens[5] = 16;
64 r = 0;
65
66 r |= sysctlnametomib("vfs.hammer.stats_btree_elements",
67 mibs[0], &lens[0]);
68 r |= sysctlnametomib("vfs.hammer.stats_btree_iterations",
69 mibs[1], &lens[1]);
70 r |= sysctlnametomib("vfs.hammer.stats_btree_lookups",
71 mibs[2], &lens[2]);
72 r |= sysctlnametomib("vfs.hammer.stats_btree_inserts",
73 mibs[3], &lens[3]);
74 r |= sysctlnametomib("vfs.hammer.stats_btree_deletes",
75 mibs[4], &lens[4]);
76 r |= sysctlnametomib("vfs.hammer.stats_btree_splits",
77 mibs[5], &lens[5]);
78 if (r < 0) {
79 perror("sysctl: HAMMER stats not available:");
80 exit(1);
81 }
82
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);
87 if (r < 0) {
88 perror("sysctl");
89 exit(1);
90 }
91 }
92 if (count) {
93 if ((count & 15) == 1)
94 printf(" elements iterations lookups inserts deletes splits\n");
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95 printf("%10jd %10jd %10jd %10jd %10jd %10jd\n",
96 (intmax_t)(stats[0] - copy[0]),
97 (intmax_t)(stats[1] - copy[1]),
98 (intmax_t)(stats[2] - copy[2]),
99 (intmax_t)(stats[3] - copy[3]),
100 (intmax_t)(stats[4] - copy[4]),
101 (intmax_t)(stats[5] - copy[5]));
68e079b8 102 }
4853b773 103 nanosleep(&delay, NULL);
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104 bcopy(stats, copy, sizeof(stats));
105 }
106}
107
108
109void
110hammer_cmd_iostats(char **av, int ac)
111{
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112 int mibs[9][16];
113 size_t lens[9];
114 int64_t stats[9];
115 int64_t copy[9];
68e079b8 116 size_t size;
4853b773 117 struct timespec delay = { 1, 0 };
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118 int count;
119 int i;
120 int r;
121
122 if (ac > 0)
4853b773 123 loaddelay(&delay, av[0]);
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124 lens[0] = 16;
125 lens[1] = 16;
126 lens[2] = 16;
127 lens[3] = 16;
128 lens[4] = 16;
129 lens[5] = 16;
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130 lens[6] = 16;
131 lens[7] = 16;
414bd537 132 lens[8] = 16;
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133 r = 0;
134
2ce66ea0 135 r |= sysctlnametomib("vfs.hammer.stats_file_read",
68e079b8 136 mibs[0], &lens[0]);
2ce66ea0 137 r |= sysctlnametomib("vfs.hammer.stats_file_write",
68e079b8 138 mibs[1], &lens[1]);
2ce66ea0 139 r |= sysctlnametomib("vfs.hammer.stats_disk_read",
68e079b8 140 mibs[2], &lens[2]);
2ce66ea0 141 r |= sysctlnametomib("vfs.hammer.stats_disk_write",
68e079b8 142 mibs[3], &lens[3]);
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143 r |= sysctlnametomib("vfs.hammer.stats_file_iopsr",
144 mibs[4], &lens[4]);
145 r |= sysctlnametomib("vfs.hammer.stats_file_iopsw",
146 mibs[5], &lens[5]);
147 r |= sysctlnametomib("vfs.hammer.stats_inode_flushes",
148 mibs[6], &lens[6]);
149 r |= sysctlnametomib("vfs.hammer.stats_commits",
150 mibs[7], &lens[7]);
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151 r |= sysctlnametomib("vfs.hammer.stats_undo",
152 mibs[8], &lens[8]);
68e079b8 153 if (r < 0) {
4d606d01 154 perror("sysctl: HAMMER stats not available");
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155 exit(1);
156 }
157
158 for (count = 0; ; ++count) {
414bd537 159 for (i = 0; i <= 8; ++i) {
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160 size = sizeof(stats[0]);
161 r = sysctl(mibs[i], lens[i], &stats[i], &size, NULL, 0);
162 if (r < 0) {
163 perror("sysctl");
164 exit(1);
165 }
166 }
167 if (count) {
168 if ((count & 15) == 1)
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169 printf(" file-rd file-wr dev-read dev-write inode_ops ino_flush cmmit undo\n");
170 printf("%9jd %9jd %9jd %9jd %9jd %8jd %5jd %8jd\n",
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171 (intmax_t)(stats[0] - copy[0]),
172 (intmax_t)(stats[1] - copy[1]),
173 (intmax_t)(stats[2] - copy[2]),
174 (intmax_t)(stats[3] - copy[3]),
175 (intmax_t)(stats[4] + stats[5] -
176 copy[4] - copy[5]),
177 (intmax_t)(stats[6] - copy[6]),
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178 (intmax_t)(stats[7] - copy[7]),
179 (intmax_t)(stats[8] - copy[8]));
68e079b8 180 }
4853b773 181 nanosleep(&delay, NULL);
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182 bcopy(stats, copy, sizeof(stats));
183 }
184}
185
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186/*
187 * Convert a delay string (e.g. "0.1") into a timespec.
188 */
189static
190void
191loaddelay(struct timespec *ts, const char *arg)
192{
193 double d;
194
195 d = strtod(arg, NULL);
196 if (d < 0.001)
197 d = 0.001;
198 ts->tv_sec = (int)d;
199 ts->tv_nsec = (int)(modf(d, &d) * 1000000000.0);
200}
68e079b8 201