1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <stdio.h> 27 #include <unistd.h> 28 #include <errno.h> 29 30 #include <kstat.h> 31 32 #include "ii_stats.h" 33 #include "sdbc_stats.h" 34 #include "sndr_stats.h" 35 36 #include "multi_stats.h" 37 38 #include "dsstat.h" 39 #include "common.h" 40 #include "report.h" 41 42 /* 43 * do_stats() - called by main() to start monitoring 44 * 45 */ 46 int 47 do_stats() 48 { 49 int error; 50 int pass; 51 52 /* Collection/reporting loop */ 53 for (pass = 0; ; pass++) { /* CSTYLED */ 54 if (iterations != -1 && pass >= iterations) 55 return (0); 56 57 error = discover(); 58 59 if (error == ENOMEM || error == EINVAL) 60 return (error); 61 62 if (error == EAGAIN && pass == 0) 63 return (error); 64 65 (void) sleep(interval); 66 67 if ((error = update()) != 0) 68 return (error); 69 70 if (report()) 71 break; 72 } 73 74 /* No stats on this system */ 75 return (EAGAIN); 76 } 77 78 int 79 discover() 80 { 81 int err = 0; 82 83 int sdbc_err = 0; 84 int sndr_err = 0; 85 int ii_err = 0; 86 87 kstat_ctl_t *kc; 88 89 if ((kc = kstat_open()) == NULL) 90 return (ENOMEM); 91 92 if (mode & SDBC) { 93 sdbc_err = sdbc_discover(kc); 94 err = sdbc_err; 95 if (sdbc_err && !(mode & MULTI)) 96 goto fail; 97 if (sdbc_err && (mode & MULTI) && sdbc_err != EAGAIN) 98 goto fail; 99 } 100 101 if (mode & SNDR) { 102 sndr_err = sndr_discover(kc); 103 err = sndr_err; 104 if (sndr_err && !(mode & MULTI)) 105 goto fail; 106 if (sndr_err && (mode & MULTI) && sndr_err != EAGAIN) 107 goto fail; 108 } 109 110 if (mode & IIMG) { 111 ii_err = ii_discover(kc); 112 err = ii_err; 113 if (ii_err && !(mode & MULTI)) 114 goto fail; 115 if (ii_err && ii_err != EAGAIN && (mode & MULTI)) 116 goto fail; 117 } 118 119 (void) kstat_close(kc); 120 if (sdbc_err && sndr_err && ii_err) 121 return (err); 122 else 123 return (0); 124 125 fail: 126 (void) kstat_close(kc); 127 return (err); 128 } 129 130 int 131 update() 132 { 133 int err = 0; 134 135 int sdbc_err = 0; 136 int sndr_err = 0; 137 int ii_err = 0; 138 139 kstat_ctl_t *kc; 140 141 if ((kc = kstat_open()) == NULL) 142 goto fail; 143 144 if (mode & SDBC) { 145 sdbc_err = sdbc_update(kc); 146 err = sdbc_err; 147 if (sdbc_err && !(mode & MULTI)) 148 goto fail; 149 if (sdbc_err && (mode & MULTI) && sdbc_err != EAGAIN) 150 goto fail; 151 } 152 153 if (mode & SNDR) { 154 sndr_err = sndr_update(kc); 155 err = sndr_err; 156 if (sndr_err && !(mode & MULTI)) 157 goto fail; 158 if (sndr_err && (mode & MULTI) && sndr_err != EAGAIN) 159 goto fail; 160 } 161 162 if (mode & IIMG) { 163 ii_err = ii_update(kc); 164 err = ii_err; 165 if (ii_err && !(mode & MULTI)) 166 goto fail; 167 if (ii_err && (mode & MULTI) && ii_err != EAGAIN) 168 goto fail; 169 } 170 171 (void) kstat_close(kc); 172 if (sdbc_err && sndr_err && ii_err) 173 return (err); 174 else 175 return (0); 176 177 fail: 178 (void) kstat_close(kc); 179 return (err); 180 } 181 182 int 183 report() 184 { 185 int err = 0; 186 187 int sdbc_err = 0; 188 int sndr_err = 0; 189 int ii_err = 0; 190 191 hflags &= (HEADERS_EXL | HEADERS_ATT | HEADERS_BOR); 192 193 if (mode & SNDR) 194 if (sndr_err = sndr_report()) 195 err = sndr_err; 196 197 if (mode & IIMG) 198 if (ii_err = ii_report()) 199 err = ii_err; 200 201 if ((mode & SDBC) && !(mode & MULTI)) 202 if (sdbc_err = sdbc_report()) 203 err = sdbc_err; 204 205 return (err); 206 } 207