1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <stdio.h> 30*0Sstevel@tonic-gate #include <stdlib.h> 31*0Sstevel@tonic-gate #include <string.h> 32*0Sstevel@tonic-gate #include <stdarg.h> 33*0Sstevel@tonic-gate #include <libintl.h> 34*0Sstevel@tonic-gate #include <sys/types.h> 35*0Sstevel@tonic-gate #include <sys/ioctl.h> 36*0Sstevel@tonic-gate #include <sys/stat.h> 37*0Sstevel@tonic-gate #include <kstat.h> 38*0Sstevel@tonic-gate #include <locale.h> 39*0Sstevel@tonic-gate #include <sys/fs/cachefs_log.h> 40*0Sstevel@tonic-gate #include "stats.h" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate void usage(char *); 43*0Sstevel@tonic-gate void pr_err(char *, ...); 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate static int zflag; 46*0Sstevel@tonic-gate char *prog; 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate static void print_stats(stats_cookie_t *, cachefs_kstat_key_t *, int); 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate int 51*0Sstevel@tonic-gate main(int argc, char **argv) 52*0Sstevel@tonic-gate { 53*0Sstevel@tonic-gate int rc = 0; 54*0Sstevel@tonic-gate int i, c, errflg = 0; 55*0Sstevel@tonic-gate stats_cookie_t *sc = NULL; 56*0Sstevel@tonic-gate cachefs_kstat_key_t *key; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 59*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) 60*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" 61*0Sstevel@tonic-gate #endif /* TEXT_DOMAIN */ 62*0Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate if (prog = strrchr(argv[0], '/')) 65*0Sstevel@tonic-gate ++prog; 66*0Sstevel@tonic-gate else 67*0Sstevel@tonic-gate prog = argv[0]; 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "z")) != EOF) 70*0Sstevel@tonic-gate switch (c) { 71*0Sstevel@tonic-gate case 'z': 72*0Sstevel@tonic-gate ++zflag; 73*0Sstevel@tonic-gate break; 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate case '?': 76*0Sstevel@tonic-gate default: 77*0Sstevel@tonic-gate ++errflg; 78*0Sstevel@tonic-gate break; 79*0Sstevel@tonic-gate } 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate if (errflg) { 82*0Sstevel@tonic-gate usage(NULL); 83*0Sstevel@tonic-gate rc = -1; 84*0Sstevel@tonic-gate goto out; 85*0Sstevel@tonic-gate } 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* 88*0Sstevel@tonic-gate * handle multiple mountpoints specified on command line 89*0Sstevel@tonic-gate */ 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate for (i = optind; i < argc; i++) { 92*0Sstevel@tonic-gate if ((sc = stats_create_mountpath(argv[i], prog)) == NULL) { 93*0Sstevel@tonic-gate pr_err(gettext("Cannot use %s"), argv[i]); 94*0Sstevel@tonic-gate rc = 1; 95*0Sstevel@tonic-gate continue; 96*0Sstevel@tonic-gate } 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate if (stats_inerror(sc)) { 99*0Sstevel@tonic-gate pr_err(stats_errorstr(sc)); 100*0Sstevel@tonic-gate rc = stats_errno(sc); 101*0Sstevel@tonic-gate continue; 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate print_stats(sc, key = stats_getkey(sc), zflag); 104*0Sstevel@tonic-gate if (stats_inerror(sc)) { 105*0Sstevel@tonic-gate pr_err(stats_errorstr(sc)); 106*0Sstevel@tonic-gate rc = stats_errno(sc); 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate stats_destroy(sc); 110*0Sstevel@tonic-gate free(key); 111*0Sstevel@tonic-gate } 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* 114*0Sstevel@tonic-gate * handle the case where no mountpoints were specified, 115*0Sstevel@tonic-gate * i.e. show stats for all. 116*0Sstevel@tonic-gate */ 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate if (optind >= argc) { 119*0Sstevel@tonic-gate sc = stats_create_unbound(prog); 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate while ((key = stats_next(sc)) != NULL) { 122*0Sstevel@tonic-gate if (! key->ks_mounted) { 123*0Sstevel@tonic-gate free(key); 124*0Sstevel@tonic-gate continue; 125*0Sstevel@tonic-gate } 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate print_stats(sc, key, zflag); 128*0Sstevel@tonic-gate if (stats_inerror(sc)) { 129*0Sstevel@tonic-gate pr_err(stats_errorstr(sc)); 130*0Sstevel@tonic-gate rc = stats_errno(sc); 131*0Sstevel@tonic-gate } 132*0Sstevel@tonic-gate free(key); 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate stats_destroy(sc); 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate out: 138*0Sstevel@tonic-gate return (rc); 139*0Sstevel@tonic-gate } 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate static void 142*0Sstevel@tonic-gate print_stats(stats_cookie_t *sc, cachefs_kstat_key_t *key, int zero) 143*0Sstevel@tonic-gate { 144*0Sstevel@tonic-gate uint_t misses, passes, fails, modifies; 145*0Sstevel@tonic-gate uint_t hitp, passtotal; 146*0Sstevel@tonic-gate uint_t gccount; 147*0Sstevel@tonic-gate u_longlong_t hits; 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate hits = (u_longlong_t)stats_hits(sc); 150*0Sstevel@tonic-gate misses = stats_misses(sc); 151*0Sstevel@tonic-gate if (hits + misses != 0) 152*0Sstevel@tonic-gate hitp = (uint_t)((100 * hits) / (hits + misses)); 153*0Sstevel@tonic-gate else 154*0Sstevel@tonic-gate hitp = 100; 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate passes = stats_passes(sc); 157*0Sstevel@tonic-gate fails = stats_fails(sc); 158*0Sstevel@tonic-gate passtotal = passes + fails; 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate modifies = stats_modifies(sc); 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate gccount = stats_gc_count(sc); 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate printf("\n %s\n", (char *)key->ks_mountpoint); 165*0Sstevel@tonic-gate printf(gettext( 166*0Sstevel@tonic-gate "\t cache hit rate: %5u%% (%llu hits, %u misses)\n"), 167*0Sstevel@tonic-gate hitp, hits, misses); 168*0Sstevel@tonic-gate printf(gettext("\t consistency checks: %6d (%d pass, %d fail)\n"), 169*0Sstevel@tonic-gate passtotal, passes, fails); 170*0Sstevel@tonic-gate printf(gettext("\t modifies: %6d\n"), modifies); 171*0Sstevel@tonic-gate printf(gettext("\t garbage collection: %6d\n"), gccount); 172*0Sstevel@tonic-gate if (gccount != 0) { 173*0Sstevel@tonic-gate time_t gctime = stats_gc_time(sc); 174*0Sstevel@tonic-gate time_t before = stats_gc_before(sc); 175*0Sstevel@tonic-gate time_t after = stats_gc_after(sc); 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate if (gctime != (time_t)0) 178*0Sstevel@tonic-gate printf(gettext("\tlast garbage collection: %s"), 179*0Sstevel@tonic-gate ctime(&gctime)); 180*0Sstevel@tonic-gate } 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate if (zero) 183*0Sstevel@tonic-gate (void) stats_zero_stats(sc); 184*0Sstevel@tonic-gate } 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate /* 188*0Sstevel@tonic-gate * 189*0Sstevel@tonic-gate * usage 190*0Sstevel@tonic-gate * 191*0Sstevel@tonic-gate * Description: 192*0Sstevel@tonic-gate * Prints a short usage message. 193*0Sstevel@tonic-gate * Arguments: 194*0Sstevel@tonic-gate * msgp message to include with the usage message 195*0Sstevel@tonic-gate * Returns: 196*0Sstevel@tonic-gate * Preconditions: 197*0Sstevel@tonic-gate */ 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate void 200*0Sstevel@tonic-gate usage(char *msgp) 201*0Sstevel@tonic-gate { 202*0Sstevel@tonic-gate if (msgp) { 203*0Sstevel@tonic-gate pr_err("%s", msgp); 204*0Sstevel@tonic-gate } 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate fprintf(stderr, 207*0Sstevel@tonic-gate gettext("Usage: cachefsstat [ -z ] [ path ... ]\n")); 208*0Sstevel@tonic-gate } 209*0Sstevel@tonic-gate 210*0Sstevel@tonic-gate /* 211*0Sstevel@tonic-gate * 212*0Sstevel@tonic-gate * pr_err 213*0Sstevel@tonic-gate * 214*0Sstevel@tonic-gate * Description: 215*0Sstevel@tonic-gate * Prints an error message to stderr. 216*0Sstevel@tonic-gate * Arguments: 217*0Sstevel@tonic-gate * fmt printf style format 218*0Sstevel@tonic-gate * ... arguments for fmt 219*0Sstevel@tonic-gate * Returns: 220*0Sstevel@tonic-gate * Preconditions: 221*0Sstevel@tonic-gate * precond(fmt) 222*0Sstevel@tonic-gate */ 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate void 225*0Sstevel@tonic-gate pr_err(char *fmt, ...) 226*0Sstevel@tonic-gate { 227*0Sstevel@tonic-gate va_list ap; 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate va_start(ap, fmt); 230*0Sstevel@tonic-gate (void) fprintf(stderr, gettext("cachefsstat: ")); 231*0Sstevel@tonic-gate (void) vfprintf(stderr, fmt, ap); 232*0Sstevel@tonic-gate (void) fprintf(stderr, "\n"); 233*0Sstevel@tonic-gate va_end(ap); 234*0Sstevel@tonic-gate } 235