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 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/times.h> 33 #include <sys/time.h> 34 #include <sys/param.h> 35 #include <sys/wait.h> 36 #include <unistd.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <signal.h> 40 #include <strings.h> 41 #include <time.h> 42 #include <errno.h> 43 #include <pwd.h> 44 45 #define NSEC_TO_TICK(nsec) ((nsec) / nsec_per_tick) 46 #define NSEC_TO_TICK_ROUNDUP(nsec) NSEC_TO_TICK((nsec) + \ 47 nsec_per_tick/2) 48 49 char fname[20]; 50 static int hz; 51 static int nsec_per_tick; 52 53 void printt(char *, hrtime_t); 54 void hmstime(char[]); 55 void diag(char *); 56 57 int 58 main(int argc, char **argv) 59 { 60 struct tms buffer, obuffer; 61 int status; 62 register pid_t p; 63 int c; 64 hrtime_t before, after, timediff; 65 char stime[9], etime[9]; 66 char cmd[80]; 67 int pflg = 0, sflg = 0, oflg = 0; 68 char aopt[25]; 69 FILE *pipin; 70 char ttyid[12], line[150]; 71 char eol; 72 char fld[20][12]; 73 int iline = 0, i, nfld; 74 int ichar, iblok; 75 long chars = 0, bloks = 0; 76 77 aopt[0] = '\0'; 78 79 hz = sysconf(_SC_CLK_TCK); 80 nsec_per_tick = NANOSEC / hz; 81 82 /* check options; */ 83 while ((c = getopt(argc, argv, "sopfhkmrt")) != EOF) 84 switch (c) { 85 case 's': sflg++; break; 86 case 'o': oflg++; break; 87 case 'p': pflg++; break; 88 89 case 'f': strcat(aopt, "-f "); break; 90 case 'h': strcat(aopt, "-h "); break; 91 case 'k': strcat(aopt, "-k "); break; 92 case 'm': strcat(aopt, "-m "); break; 93 case 'r': strcat(aopt, "-r "); break; 94 case 't': strcat(aopt, "-t "); break; 95 96 case '?': diag("Usage: timex [-s][-o][-p[-fhkmrt]] cmd"); 97 break; 98 } 99 if (optind >= argc) diag("Missing command"); 100 101 /* 102 * Check to see if accounting is installed and print a somewhat 103 * meaninful message if not. 104 */ 105 if (((oflg+pflg) != 0) && (access("/usr/bin/acctcom", 01) == -1)) { 106 oflg = 0; 107 pflg = 0; 108 fprintf(stderr, 109 "Information from -p and -o options not available\n"); 110 fprintf(stderr, 111 " because process accounting is not operational.\n"); 112 } 113 114 if (sflg) { 115 sprintf(fname, "/tmp/tmx%ld", getpid()); 116 sprintf(cmd, "/usr/lib/sa/sadc 1 1 %s", fname); 117 system(cmd); 118 } 119 if (pflg + oflg) hmstime(stime); 120 before = gethrtime(); 121 (void) times(&obuffer); 122 if ((p = fork()) == (pid_t)-1) { 123 perror("Fork Failed"); 124 (void) unlink(fname); 125 exit(EXIT_FAILURE); 126 } 127 if (p == 0) { 128 setgid(getgid()); 129 execvp(*(argv+optind), (argv+optind)); 130 fprintf(stderr, "%s: %s\n", *(argv+optind), strerror(errno)); 131 exit(EXIT_FAILURE); 132 } 133 signal(SIGINT, SIG_IGN); 134 signal(SIGQUIT, SIG_IGN); 135 while (wait(&status) != p) 136 ; 137 if ((status&0377) != 0) 138 fprintf(stderr, "Command terminated abnormally.\n"); 139 signal(SIGINT, SIG_DFL); 140 signal(SIGQUIT, SIG_DFL); 141 (void) times(&buffer); 142 after = gethrtime(); 143 timediff = after - before; 144 if (pflg + oflg) hmstime(etime); 145 if (sflg) system(cmd); 146 147 fprintf(stderr, "\n"); 148 printt("real", NSEC_TO_TICK_ROUNDUP(timediff)); 149 printt("user", buffer.tms_cutime - obuffer.tms_cutime); 150 printt("sys ", buffer.tms_cstime - obuffer.tms_cstime); 151 fprintf(stderr, "\n"); 152 153 if (oflg+pflg) { 154 if (isatty(0)) 155 sprintf(ttyid, "-l %s", ttyname(0)+5); 156 sprintf(cmd, "acctcom -S %s -E %s -u %s %s -i %s", 157 stime, etime, getpwuid(getuid())->pw_name, ttyid, aopt); 158 pipin = popen(cmd, "r"); 159 while (fscanf(pipin, "%[^\n]%1c", line, &eol) > 1) { 160 if (pflg) 161 fprintf(stderr, "%s\n", line); 162 if (oflg) { 163 nfld = sscanf(line, 164 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", 165 fld[0], fld[1], fld[2], fld[3], fld[4], 166 fld[5], fld[6], fld[7], fld[8], fld[9], 167 fld[10], fld[11], fld[12], fld[13], fld[14], 168 fld[15], fld[16], fld[17], fld[18], 169 fld[19]); 170 if (++iline == 3) 171 for (i = 0; i < nfld; i++) { 172 if (strcmp(fld[i], "CHARS") 173 == 0) 174 ichar = i+2; 175 if (strcmp(fld[i], "BLOCKS") 176 == 0) 177 iblok = i+2; 178 } 179 if (iline > 4) { 180 chars += atol(fld[ichar]); 181 bloks += atol(fld[iblok]); 182 } 183 } 184 } 185 pclose(pipin); 186 187 if (oflg) 188 if (iline > 4) 189 fprintf(stderr, 190 "\nCHARS TRNSFD = %ld\n" 191 "BLOCKS READ = %ld\n", chars, bloks); 192 else 193 fprintf(stderr, 194 "\nNo process records found!\n"); 195 } 196 197 if (sflg) { 198 sprintf(cmd, "/usr/bin/sar -ubdycwaqvmpgrk -f %s 1>&2", fname); 199 system(cmd); 200 unlink(fname); 201 } 202 exit(WEXITSTATUS(status)); 203 } 204 205 void 206 printt(char *label, hrtime_t ticks) 207 { 208 long tk; /* number of leftover ticks */ 209 long ss; /* number of seconds */ 210 long mm; /* number of minutes */ 211 long hh; /* number of hours */ 212 longlong_t total = ticks; 213 214 tk = total % hz; /* ticks % hz */ 215 total /= hz; 216 ss = total % 60; /* ticks / hz % 60 */ 217 total /= 60; 218 mm = total % 60; /* ticks / hz / 60 % 60 */ 219 hh = total / 60; /* ticks / hz / 60 / 60 */ 220 221 (void) fprintf(stderr, "%s ", label); 222 223 /* Display either padding or the elapsed hours */ 224 if (hh == 0L) { 225 (void) fprintf(stderr, "%6c", ' '); 226 } else { 227 (void) fprintf(stderr, "%5ld:", hh); 228 } 229 230 /* 231 * Display either nothing or the elapsed minutes, zero 232 * padding (if hours > 0) or space padding (if not). 233 */ 234 if (mm == 0L && hh == 0L) { 235 (void) fprintf(stderr, "%3c", ' '); 236 } else if (mm != 0L && hh == 0L) { 237 (void) fprintf(stderr, "%2ld:", mm); 238 } else { 239 (void) fprintf(stderr, "%02ld:", mm); 240 } 241 242 /* 243 * Display the elapsed seconds; seconds are always 244 * zero padded. 245 */ 246 if (hh == 0L && mm == 0L) { 247 (void) fprintf(stderr, "%2ld.", ss); 248 } else { 249 (void) fprintf(stderr, "%02ld.", ss); 250 } 251 252 /* Display hundredths of a second. */ 253 (void) fprintf(stderr, "%02ld\n", tk * 100/hz); 254 } 255 256 /* 257 * hmstime() sets current time in hh:mm:ss string format in stime; 258 */ 259 260 void 261 hmstime(char stime[]) 262 { 263 char *ltime; 264 time_t tme; 265 266 tme = time((time_t *)0); 267 ltime = ctime(&tme); 268 strncpy(stime, ltime+11, 8); 269 stime[8] = '\0'; 270 } 271 272 void 273 diag(char *s) 274 { 275 fprintf(stderr, "%s\n", s); 276 unlink(fname); 277 exit(EXIT_FAILURE); 278 } 279