xref: /dragonfly/sbin/hammer/cmd_stats.c (revision cc93b0eb)
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  *
34  * $DragonFly: src/sbin/hammer/cmd_stats.c,v 1.1 2008/06/17 04:03:38 dillon Exp $
35  */
36 
37 #include "hammer.h"
38 #include <sys/sysctl.h>
39 
40 void
41 hammer_cmd_bstats(char **av, int ac)
42 {
43 	int mibs[8][16];
44 	int lens[8];
45 	int64_t stats[8];
46 	int64_t copy[8];
47 	size_t size;
48 	int delay = 1;
49 	int count;
50 	int i;
51 	int r;
52 
53 	if (ac > 0)
54 		delay = strtol(av[0], NULL, 0);
55 	lens[0] = 16;
56 	lens[1] = 16;
57 	lens[2] = 16;
58 	lens[3] = 16;
59 	lens[4] = 16;
60 	lens[5] = 16;
61 	r = 0;
62 
63 	r |= sysctlnametomib("vfs.hammer.stats_btree_elements",
64 			     mibs[0], &lens[0]);
65 	r |= sysctlnametomib("vfs.hammer.stats_btree_iterations",
66 			     mibs[1], &lens[1]);
67 	r |= sysctlnametomib("vfs.hammer.stats_btree_lookups",
68 			     mibs[2], &lens[2]);
69 	r |= sysctlnametomib("vfs.hammer.stats_btree_inserts",
70 			     mibs[3], &lens[3]);
71 	r |= sysctlnametomib("vfs.hammer.stats_btree_deletes",
72 			     mibs[4], &lens[4]);
73 	r |= sysctlnametomib("vfs.hammer.stats_btree_splits",
74 			     mibs[5], &lens[5]);
75 	if (r < 0) {
76 		perror("sysctl: HAMMER stats not available:");
77 		exit(1);
78 	}
79 
80 	for (count = 0; ; ++count) {
81 		for (i = 0; i < 6; ++i) {
82 			size = sizeof(stats[0]);
83 			r = sysctl(mibs[i], lens[i], &stats[i], &size, NULL, 0);
84 			if (r < 0) {
85 				perror("sysctl");
86 				exit(1);
87 			}
88 		}
89 		if (count) {
90 			if ((count & 15) == 1)
91 				printf("  elements iterations    lookups    inserts    deletes     splits\n");
92 			printf("%10lld %10lld %10lld %10lld %10lld %10lld\n",
93 				stats[0] - copy[0],
94 				stats[1] - copy[1],
95 				stats[2] - copy[2],
96 				stats[3] - copy[3],
97 				stats[4] - copy[4],
98 				stats[5] - copy[5]);
99 		}
100 		sleep(delay);
101 		bcopy(stats, copy, sizeof(stats));
102 	}
103 }
104 
105 
106 void
107 hammer_cmd_iostats(char **av, int ac)
108 {
109 	int mibs[8][16];
110 	int lens[8];
111 	int64_t stats[8];
112 	int64_t copy[8];
113 	size_t size;
114 	int delay = 1;
115 	int count;
116 	int i;
117 	int r;
118 
119 	if (ac > 0)
120 		delay = strtol(av[0], NULL, 0);
121 	lens[0] = 16;
122 	lens[1] = 16;
123 	lens[2] = 16;
124 	lens[3] = 16;
125 	lens[4] = 16;
126 	lens[5] = 16;
127 	r = 0;
128 
129 	r |= sysctlnametomib("vfs.hammer.stats_read",
130 			     mibs[0], &lens[0]);
131 	r |= sysctlnametomib("vfs.hammer.stats_write",
132 			     mibs[1], &lens[1]);
133 	r |= sysctlnametomib("vfs.hammer.stats_rd_cached",
134 			     mibs[2], &lens[2]);
135 	r |= sysctlnametomib("vfs.hammer.stats_wr_cached",
136 			     mibs[3], &lens[3]);
137 	if (r < 0) {
138 		perror("sysctl: HAMMER stats not available:");
139 		exit(1);
140 	}
141 
142 	for (count = 0; ; ++count) {
143 		for (i = 0; i < 4; ++i) {
144 			size = sizeof(stats[0]);
145 			r = sysctl(mibs[i], lens[i], &stats[i], &size, NULL, 0);
146 			if (r < 0) {
147 				perror("sysctl");
148 				exit(1);
149 			}
150 		}
151 		if (count) {
152 			if ((count & 15) == 1)
153 				printf("     reads     writes  rd_cached  wr_cached\n");
154 			printf("%10lld %10lld %10lld %10lld\n",
155 				stats[0] - copy[0],
156 				stats[1] - copy[1],
157 				stats[2] - copy[2],
158 				stats[3] - copy[3]);
159 		}
160 		sleep(delay);
161 		bcopy(stats, copy, sizeof(stats));
162 	}
163 }
164 
165 
166