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