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 * rewritten from UCB 4.13 83/09/25 27*0Sstevel@tonic-gate * rewritten from SunOS 4.1 SID 1.18 89/10/06 28*0Sstevel@tonic-gate */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <stdio.h> 33*0Sstevel@tonic-gate #include <stdlib.h> 34*0Sstevel@tonic-gate #include <stdarg.h> 35*0Sstevel@tonic-gate #include <ctype.h> 36*0Sstevel@tonic-gate #include <unistd.h> 37*0Sstevel@tonic-gate #include <memory.h> 38*0Sstevel@tonic-gate #include <errno.h> 39*0Sstevel@tonic-gate #include <string.h> 40*0Sstevel@tonic-gate #include <signal.h> 41*0Sstevel@tonic-gate #include <sys/types.h> 42*0Sstevel@tonic-gate #include <time.h> 43*0Sstevel@tonic-gate #include <sys/time.h> 44*0Sstevel@tonic-gate #include <sys/sysinfo.h> 45*0Sstevel@tonic-gate #include <inttypes.h> 46*0Sstevel@tonic-gate #include <strings.h> 47*0Sstevel@tonic-gate #include <sys/systeminfo.h> 48*0Sstevel@tonic-gate #include <kstat.h> 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #include "dsr.h" 51*0Sstevel@tonic-gate #include "statcommon.h" 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #define DISK_OLD 0x0001 54*0Sstevel@tonic-gate #define DISK_NEW 0x0002 55*0Sstevel@tonic-gate #define DISK_EXTENDED 0x0004 56*0Sstevel@tonic-gate #define DISK_ERRORS 0x0008 57*0Sstevel@tonic-gate #define DISK_EXTENDED_ERRORS 0x0010 58*0Sstevel@tonic-gate #define DISK_IOPATH 0x0020 59*0Sstevel@tonic-gate #define DISK_NORMAL (DISK_OLD | DISK_NEW) 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #define DISK_IO_MASK (DISK_OLD | DISK_NEW | DISK_EXTENDED) 62*0Sstevel@tonic-gate #define DISK_ERROR_MASK (DISK_ERRORS | DISK_EXTENDED_ERRORS) 63*0Sstevel@tonic-gate #define PRINT_VERTICAL (DISK_ERROR_MASK | DISK_EXTENDED | DISK_IOPATH) 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define REPRINT 19 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate /* 68*0Sstevel@tonic-gate * It's really a pseudo-gigabyte. We use 1000000000 bytes so that the disk 69*0Sstevel@tonic-gate * labels don't look bad. 1GB is really 1073741824 bytes. 70*0Sstevel@tonic-gate */ 71*0Sstevel@tonic-gate #define DISK_GIGABYTE 1000000000.0 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate /* 74*0Sstevel@tonic-gate * Function desciptor to be called when extended 75*0Sstevel@tonic-gate * headers are used. 76*0Sstevel@tonic-gate */ 77*0Sstevel@tonic-gate typedef struct formatter { 78*0Sstevel@tonic-gate void (*nfunc)(void); 79*0Sstevel@tonic-gate struct formatter *next; 80*0Sstevel@tonic-gate } format_t; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * Used to get formatting right when printing tty/cpu 84*0Sstevel@tonic-gate * data to the right of disk data 85*0Sstevel@tonic-gate */ 86*0Sstevel@tonic-gate enum show_disk_mode { 87*0Sstevel@tonic-gate SHOW_FIRST_ONLY, 88*0Sstevel@tonic-gate SHOW_SECOND_ONWARDS, 89*0Sstevel@tonic-gate SHOW_ALL 90*0Sstevel@tonic-gate }; 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate enum show_disk_mode show_disk_mode = SHOW_ALL; 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate char cmdname[] = "iostat"; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate static char one_blank[] = " "; 97*0Sstevel@tonic-gate static char two_blanks[] = " "; 98*0Sstevel@tonic-gate 99*0Sstevel@tonic-gate /* 100*0Sstevel@tonic-gate * count for number of lines to be emitted before a header is 101*0Sstevel@tonic-gate * shown again. Only used for the basic format. 102*0Sstevel@tonic-gate */ 103*0Sstevel@tonic-gate static uint_t tohdr = 1; 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate /* 106*0Sstevel@tonic-gate * If we're in raw format, have we printed a header? We only do it 107*0Sstevel@tonic-gate * once for raw but we emit it every REPRINT lines in non-raw format. 108*0Sstevel@tonic-gate * This applies only for the basic header. The extended header is 109*0Sstevel@tonic-gate * done only once in both formats. 110*0Sstevel@tonic-gate */ 111*0Sstevel@tonic-gate static uint_t hdr_out; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* 114*0Sstevel@tonic-gate * Flags representing arguments from command line 115*0Sstevel@tonic-gate */ 116*0Sstevel@tonic-gate static uint_t do_tty; /* show tty info (-t) */ 117*0Sstevel@tonic-gate static uint_t do_disk; /* show disk info per selected */ 118*0Sstevel@tonic-gate /* format (-d, -D, -e, -E, -x -X) */ 119*0Sstevel@tonic-gate static uint_t do_cpu; /* show cpu info (-c) */ 120*0Sstevel@tonic-gate static uint_t do_interval; /* do intervals (-I) */ 121*0Sstevel@tonic-gate static int do_partitions; /* per-partition stats (-p) */ 122*0Sstevel@tonic-gate static int do_partitions_only; /* per-partition stats only (-P) */ 123*0Sstevel@tonic-gate /* no per-device stats for disks */ 124*0Sstevel@tonic-gate static uint_t do_conversions; /* display disks as cXtYdZ (-n) */ 125*0Sstevel@tonic-gate static uint_t do_megabytes; /* display data in MB/sec (-M) */ 126*0Sstevel@tonic-gate static uint_t do_controller; /* display controller info (-C) */ 127*0Sstevel@tonic-gate static uint_t do_raw; /* emit raw format (-r) */ 128*0Sstevel@tonic-gate static uint_t do_timestamp; /* timestamp each display (-T) */ 129*0Sstevel@tonic-gate static uint_t do_devid; /* -E should show devid */ 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate /* 132*0Sstevel@tonic-gate * Definition of allowable types of timestamps 133*0Sstevel@tonic-gate */ 134*0Sstevel@tonic-gate #define CDATE 1 135*0Sstevel@tonic-gate #define UDATE 2 136*0Sstevel@tonic-gate 137*0Sstevel@tonic-gate /* 138*0Sstevel@tonic-gate * Default number of disk drives to be displayed in basic format 139*0Sstevel@tonic-gate */ 140*0Sstevel@tonic-gate #define DEFAULT_LIMIT 4 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate struct iodev_filter df; 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate static uint_t suppress_state; /* skip state change messages */ 145*0Sstevel@tonic-gate static uint_t suppress_zero; /* skip zero valued lines */ 146*0Sstevel@tonic-gate static uint_t show_mountpts; /* show mount points */ 147*0Sstevel@tonic-gate static int interval; /* interval (seconds) to output */ 148*0Sstevel@tonic-gate static int iter; /* iterations from command line */ 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate #define SMALL_SCRATCH_BUFLEN 64 151*0Sstevel@tonic-gate #define DISPLAYED_NAME_FORMAT "%-9.9s" 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate static char disk_header[132]; 154*0Sstevel@tonic-gate static uint_t dh_len; /* disk header length for centering */ 155*0Sstevel@tonic-gate static int lineout; /* data waiting to be printed? */ 156*0Sstevel@tonic-gate 157*0Sstevel@tonic-gate static struct snapshot *newss; 158*0Sstevel@tonic-gate static struct snapshot *oldss; 159*0Sstevel@tonic-gate static double getime; /* elapsed time */ 160*0Sstevel@tonic-gate static double percent; /* 100 / etime */ 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate /* 163*0Sstevel@tonic-gate * List of functions to be called which will construct the desired output 164*0Sstevel@tonic-gate */ 165*0Sstevel@tonic-gate static format_t *formatter_list; 166*0Sstevel@tonic-gate static format_t *formatter_end; 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate static uint64_t hrtime_delta(hrtime_t, hrtime_t); 169*0Sstevel@tonic-gate static u_longlong_t ull_delta(u_longlong_t, u_longlong_t); 170*0Sstevel@tonic-gate static uint_t u32_delta(uint_t, uint_t); 171*0Sstevel@tonic-gate static void setup(void (*nfunc)(void)); 172*0Sstevel@tonic-gate static void print_timestamp(void); 173*0Sstevel@tonic-gate static void print_tty_hdr1(void); 174*0Sstevel@tonic-gate static void print_tty_hdr2(void); 175*0Sstevel@tonic-gate static void print_cpu_hdr1(void); 176*0Sstevel@tonic-gate static void print_cpu_hdr2(void); 177*0Sstevel@tonic-gate static void print_tty_data(void); 178*0Sstevel@tonic-gate static void print_cpu_data(void); 179*0Sstevel@tonic-gate static void print_err_hdr(void); 180*0Sstevel@tonic-gate static void print_disk_header(void); 181*0Sstevel@tonic-gate static void hdrout(void); 182*0Sstevel@tonic-gate static void disk_errors(void); 183*0Sstevel@tonic-gate static void do_newline(void); 184*0Sstevel@tonic-gate static void push_out(const char *, ...); 185*0Sstevel@tonic-gate static void printhdr(int); 186*0Sstevel@tonic-gate static void printxhdr(void); 187*0Sstevel@tonic-gate static void usage(void); 188*0Sstevel@tonic-gate static void do_args(int, char **); 189*0Sstevel@tonic-gate static void do_format(void); 190*0Sstevel@tonic-gate static void set_timer(int); 191*0Sstevel@tonic-gate static void handle_sig(int); 192*0Sstevel@tonic-gate static void show_all_disks(void); 193*0Sstevel@tonic-gate static void show_first_disk(void); 194*0Sstevel@tonic-gate static void show_other_disks(void); 195*0Sstevel@tonic-gate static void show_disk_errors(void *, void *, void *); 196*0Sstevel@tonic-gate static void write_core_header(void); 197*0Sstevel@tonic-gate static int fzero(double value); 198*0Sstevel@tonic-gate static int safe_strtoi(char const *val, char *errmsg); 199*0Sstevel@tonic-gate 200*0Sstevel@tonic-gate int 201*0Sstevel@tonic-gate main(int argc, char **argv) 202*0Sstevel@tonic-gate { 203*0Sstevel@tonic-gate enum snapshot_types types = SNAP_SYSTEM; 204*0Sstevel@tonic-gate kstat_ctl_t *kc; 205*0Sstevel@tonic-gate long hz; 206*0Sstevel@tonic-gate 207*0Sstevel@tonic-gate do_args(argc, argv); 208*0Sstevel@tonic-gate do_format(); 209*0Sstevel@tonic-gate 210*0Sstevel@tonic-gate /* 211*0Sstevel@tonic-gate * iostat historically showed CPU changes, even though 212*0Sstevel@tonic-gate * it doesn't provide much useful information 213*0Sstevel@tonic-gate */ 214*0Sstevel@tonic-gate types |= SNAP_CPUS; 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate if (do_disk) 217*0Sstevel@tonic-gate types |= SNAP_IODEVS; 218*0Sstevel@tonic-gate 219*0Sstevel@tonic-gate if (do_disk && !do_partitions_only) 220*0Sstevel@tonic-gate df.if_allowed_types |= IODEV_DISK; 221*0Sstevel@tonic-gate if (do_disk & DISK_IOPATH) { 222*0Sstevel@tonic-gate df.if_allowed_types |= IODEV_IOPATH; 223*0Sstevel@tonic-gate types |= SNAP_IOPATHS; 224*0Sstevel@tonic-gate } 225*0Sstevel@tonic-gate if (do_disk & DISK_ERROR_MASK) 226*0Sstevel@tonic-gate types |= SNAP_IODEV_ERRORS; 227*0Sstevel@tonic-gate if (do_partitions || do_partitions_only) 228*0Sstevel@tonic-gate df.if_allowed_types |= IODEV_PARTITION; 229*0Sstevel@tonic-gate if (do_conversions) 230*0Sstevel@tonic-gate types |= SNAP_IODEV_PRETTY; 231*0Sstevel@tonic-gate if (do_controller) { 232*0Sstevel@tonic-gate if (!(do_disk & PRINT_VERTICAL) || 233*0Sstevel@tonic-gate (do_disk & DISK_EXTENDED_ERRORS)) 234*0Sstevel@tonic-gate fail(0, "-C can only be used with -e or -x."); 235*0Sstevel@tonic-gate types |= SNAP_CONTROLLERS; 236*0Sstevel@tonic-gate df.if_allowed_types |= IODEV_CONTROLLER; 237*0Sstevel@tonic-gate } 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate hz = sysconf(_SC_CLK_TCK); 240*0Sstevel@tonic-gate 241*0Sstevel@tonic-gate /* 242*0Sstevel@tonic-gate * Undocumented behavior - sending a SIGCONT will result 243*0Sstevel@tonic-gate * in a new header being emitted. Used only if we're not 244*0Sstevel@tonic-gate * doing extended headers. This is a historical 245*0Sstevel@tonic-gate * artifact. 246*0Sstevel@tonic-gate */ 247*0Sstevel@tonic-gate if (!(do_disk & PRINT_VERTICAL)) 248*0Sstevel@tonic-gate (void) signal(SIGCONT, printhdr); 249*0Sstevel@tonic-gate 250*0Sstevel@tonic-gate if (interval) 251*0Sstevel@tonic-gate set_timer(interval); 252*0Sstevel@tonic-gate 253*0Sstevel@tonic-gate kc = open_kstat(); 254*0Sstevel@tonic-gate newss = acquire_snapshot(kc, types, &df); 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate do { 257*0Sstevel@tonic-gate if (do_tty || do_cpu) { 258*0Sstevel@tonic-gate kstat_t *oldks; 259*0Sstevel@tonic-gate oldks = oldss ? &oldss->s_sys.ss_agg_sys : NULL; 260*0Sstevel@tonic-gate getime = cpu_ticks_delta(oldks, 261*0Sstevel@tonic-gate &newss->s_sys.ss_agg_sys); 262*0Sstevel@tonic-gate percent = (getime > 0.0) ? 100.0 / getime : 0.0; 263*0Sstevel@tonic-gate getime = (getime / nr_active_cpus(newss)) / hz; 264*0Sstevel@tonic-gate if (getime == 0.0) 265*0Sstevel@tonic-gate getime = (double)interval; 266*0Sstevel@tonic-gate if (getime == 0.0 || do_interval) 267*0Sstevel@tonic-gate getime = 1.0; 268*0Sstevel@tonic-gate } 269*0Sstevel@tonic-gate 270*0Sstevel@tonic-gate if (formatter_list) { 271*0Sstevel@tonic-gate format_t *tmp; 272*0Sstevel@tonic-gate tmp = formatter_list; 273*0Sstevel@tonic-gate while (tmp) { 274*0Sstevel@tonic-gate (tmp->nfunc)(); 275*0Sstevel@tonic-gate tmp = tmp->next; 276*0Sstevel@tonic-gate } 277*0Sstevel@tonic-gate (void) fflush(stdout); 278*0Sstevel@tonic-gate } 279*0Sstevel@tonic-gate 280*0Sstevel@tonic-gate if (interval > 0 && iter != 1) 281*0Sstevel@tonic-gate (void) pause(); 282*0Sstevel@tonic-gate 283*0Sstevel@tonic-gate free_snapshot(oldss); 284*0Sstevel@tonic-gate oldss = newss; 285*0Sstevel@tonic-gate newss = acquire_snapshot(kc, types, &df); 286*0Sstevel@tonic-gate 287*0Sstevel@tonic-gate if (!suppress_state) 288*0Sstevel@tonic-gate snapshot_report_changes(oldss, newss); 289*0Sstevel@tonic-gate 290*0Sstevel@tonic-gate /* if config changed, show stats from boot */ 291*0Sstevel@tonic-gate if (snapshot_has_changed(oldss, newss)) { 292*0Sstevel@tonic-gate free_snapshot(oldss); 293*0Sstevel@tonic-gate oldss = NULL; 294*0Sstevel@tonic-gate } 295*0Sstevel@tonic-gate 296*0Sstevel@tonic-gate } while (--iter); 297*0Sstevel@tonic-gate 298*0Sstevel@tonic-gate free_snapshot(oldss); 299*0Sstevel@tonic-gate free_snapshot(newss); 300*0Sstevel@tonic-gate return (0); 301*0Sstevel@tonic-gate } 302*0Sstevel@tonic-gate 303*0Sstevel@tonic-gate /* 304*0Sstevel@tonic-gate * Some magic numbers used in header formatting. 305*0Sstevel@tonic-gate * 306*0Sstevel@tonic-gate * DISK_LEN = length of either "kps tps serv" or "wps rps util" 307*0Sstevel@tonic-gate * using 0 as the first position 308*0Sstevel@tonic-gate * 309*0Sstevel@tonic-gate * DISK_ERROR_LEN = length of "s/w h/w trn tot" with one space on 310*0Sstevel@tonic-gate * either side. Does not use zero as first pos. 311*0Sstevel@tonic-gate * 312*0Sstevel@tonic-gate * DEVICE_LEN = length of "device" + 1 character. 313*0Sstevel@tonic-gate */ 314*0Sstevel@tonic-gate 315*0Sstevel@tonic-gate #define DISK_LEN 11 316*0Sstevel@tonic-gate #define DISK_ERROR_LEN 16 317*0Sstevel@tonic-gate #define DEVICE_LEN 7 318*0Sstevel@tonic-gate 319*0Sstevel@tonic-gate /*ARGSUSED*/ 320*0Sstevel@tonic-gate static void 321*0Sstevel@tonic-gate show_disk_name(void *v1, void *v2, void *data) 322*0Sstevel@tonic-gate { 323*0Sstevel@tonic-gate struct iodev_snapshot *dev = (struct iodev_snapshot *)v2; 324*0Sstevel@tonic-gate size_t slen; 325*0Sstevel@tonic-gate char *name; 326*0Sstevel@tonic-gate char fbuf[SMALL_SCRATCH_BUFLEN]; 327*0Sstevel@tonic-gate 328*0Sstevel@tonic-gate if (dev == NULL) 329*0Sstevel@tonic-gate return; 330*0Sstevel@tonic-gate 331*0Sstevel@tonic-gate name = dev->is_pretty ? dev->is_pretty : dev->is_name; 332*0Sstevel@tonic-gate if (!do_raw) { 333*0Sstevel@tonic-gate uint_t width; 334*0Sstevel@tonic-gate 335*0Sstevel@tonic-gate slen = strlen(name); 336*0Sstevel@tonic-gate /* 337*0Sstevel@tonic-gate * The length is less 338*0Sstevel@tonic-gate * than the section 339*0Sstevel@tonic-gate * which will be displayed 340*0Sstevel@tonic-gate * on the next line. 341*0Sstevel@tonic-gate * Center the entry. 342*0Sstevel@tonic-gate */ 343*0Sstevel@tonic-gate 344*0Sstevel@tonic-gate width = (DISK_LEN + 1)/2 + (slen / 2); 345*0Sstevel@tonic-gate (void) snprintf(fbuf, sizeof (fbuf), 346*0Sstevel@tonic-gate "%*s", width, name); 347*0Sstevel@tonic-gate name = fbuf; 348*0Sstevel@tonic-gate push_out("%-14.14s", name); 349*0Sstevel@tonic-gate } else { 350*0Sstevel@tonic-gate push_out(name); 351*0Sstevel@tonic-gate } 352*0Sstevel@tonic-gate } 353*0Sstevel@tonic-gate 354*0Sstevel@tonic-gate /*ARGSUSED*/ 355*0Sstevel@tonic-gate static void 356*0Sstevel@tonic-gate show_disk_header(void *v1, void *v2, void *data) 357*0Sstevel@tonic-gate { 358*0Sstevel@tonic-gate push_out(disk_header); 359*0Sstevel@tonic-gate } 360*0Sstevel@tonic-gate 361*0Sstevel@tonic-gate /* 362*0Sstevel@tonic-gate * Write out a two line header. What is written out depends on the flags 363*0Sstevel@tonic-gate * selected but in the worst case consists of a tty header, a disk header 364*0Sstevel@tonic-gate * providing information for 4 disks and a cpu header. 365*0Sstevel@tonic-gate * 366*0Sstevel@tonic-gate * The tty header consists of the word "tty" on the first line above the 367*0Sstevel@tonic-gate * words "tin tout" on the next line. If present the tty portion consumes 368*0Sstevel@tonic-gate * the first 10 characters of each line since "tin tout" is surrounded 369*0Sstevel@tonic-gate * by single spaces. 370*0Sstevel@tonic-gate * 371*0Sstevel@tonic-gate * Each of the disk sections is a 14 character "block" in which the name of 372*0Sstevel@tonic-gate * the disk is centered in the first 12 characters of the first line. 373*0Sstevel@tonic-gate * 374*0Sstevel@tonic-gate * The cpu section is an 11 character block with "cpu" centered over the 375*0Sstevel@tonic-gate * section. 376*0Sstevel@tonic-gate * 377*0Sstevel@tonic-gate * The worst case should look as follows: 378*0Sstevel@tonic-gate * 379*0Sstevel@tonic-gate * 0---------1--------2---------3---------4---------5---------6---------7------- 380*0Sstevel@tonic-gate * tty sd0 sd1 sd2 sd3 cpu 381*0Sstevel@tonic-gate * tin tout kps tps serv kps tps serv kps tps serv kps tps serv us sy wt id 382*0Sstevel@tonic-gate * NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NN NN NN NN 383*0Sstevel@tonic-gate * 384*0Sstevel@tonic-gate * When -D is specified, the disk header looks as follows (worst case): 385*0Sstevel@tonic-gate * 386*0Sstevel@tonic-gate * 0---------1--------2---------3---------4---------5---------6---------7------- 387*0Sstevel@tonic-gate * tty sd0 sd1 sd2 sd3 cpu 388*0Sstevel@tonic-gate * tin tout rps wps util rps wps util rps wps util rps wps util us sy wt id 389*0Sstevel@tonic-gate * NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NN NN NN NN 390*0Sstevel@tonic-gate */ 391*0Sstevel@tonic-gate static void 392*0Sstevel@tonic-gate printhdr(int sig) 393*0Sstevel@tonic-gate { 394*0Sstevel@tonic-gate /* 395*0Sstevel@tonic-gate * If we're here because a signal fired, reenable the 396*0Sstevel@tonic-gate * signal. 397*0Sstevel@tonic-gate */ 398*0Sstevel@tonic-gate if (sig) 399*0Sstevel@tonic-gate (void) signal(SIGCONT, printhdr); 400*0Sstevel@tonic-gate /* 401*0Sstevel@tonic-gate * Horizontal mode headers 402*0Sstevel@tonic-gate * 403*0Sstevel@tonic-gate * First line 404*0Sstevel@tonic-gate */ 405*0Sstevel@tonic-gate if (do_tty) 406*0Sstevel@tonic-gate print_tty_hdr1(); 407*0Sstevel@tonic-gate 408*0Sstevel@tonic-gate if (do_disk & DISK_NORMAL) { 409*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, NULL, newss, 410*0Sstevel@tonic-gate show_disk_name, NULL); 411*0Sstevel@tonic-gate } 412*0Sstevel@tonic-gate 413*0Sstevel@tonic-gate if (do_cpu) 414*0Sstevel@tonic-gate print_cpu_hdr1(); 415*0Sstevel@tonic-gate do_newline(); 416*0Sstevel@tonic-gate 417*0Sstevel@tonic-gate /* 418*0Sstevel@tonic-gate * Second line 419*0Sstevel@tonic-gate */ 420*0Sstevel@tonic-gate if (do_tty) 421*0Sstevel@tonic-gate print_tty_hdr2(); 422*0Sstevel@tonic-gate 423*0Sstevel@tonic-gate if (do_disk & DISK_NORMAL) { 424*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, NULL, newss, 425*0Sstevel@tonic-gate show_disk_header, NULL); 426*0Sstevel@tonic-gate } 427*0Sstevel@tonic-gate 428*0Sstevel@tonic-gate if (do_cpu) 429*0Sstevel@tonic-gate print_cpu_hdr2(); 430*0Sstevel@tonic-gate do_newline(); 431*0Sstevel@tonic-gate 432*0Sstevel@tonic-gate tohdr = REPRINT; 433*0Sstevel@tonic-gate } 434*0Sstevel@tonic-gate 435*0Sstevel@tonic-gate /* 436*0Sstevel@tonic-gate * Write out the extended header centered over the core information. 437*0Sstevel@tonic-gate */ 438*0Sstevel@tonic-gate static void 439*0Sstevel@tonic-gate write_core_header(void) 440*0Sstevel@tonic-gate { 441*0Sstevel@tonic-gate char *edev = "extended device statistics"; 442*0Sstevel@tonic-gate uint_t lead_space_ct; 443*0Sstevel@tonic-gate uint_t follow_space_ct; 444*0Sstevel@tonic-gate size_t edevlen; 445*0Sstevel@tonic-gate 446*0Sstevel@tonic-gate if (do_raw == 0) { 447*0Sstevel@tonic-gate /* 448*0Sstevel@tonic-gate * The things we do to look nice... 449*0Sstevel@tonic-gate * 450*0Sstevel@tonic-gate * Center the core output header. Make sure we have the 451*0Sstevel@tonic-gate * right number of trailing spaces for follow-on headers 452*0Sstevel@tonic-gate * (i.e., cpu and/or tty and/or errors). 453*0Sstevel@tonic-gate */ 454*0Sstevel@tonic-gate edevlen = strlen(edev); 455*0Sstevel@tonic-gate lead_space_ct = dh_len - edevlen; 456*0Sstevel@tonic-gate lead_space_ct /= 2; 457*0Sstevel@tonic-gate if (lead_space_ct > 0) { 458*0Sstevel@tonic-gate follow_space_ct = dh_len - (lead_space_ct + edevlen); 459*0Sstevel@tonic-gate if (do_disk & DISK_ERRORS) 460*0Sstevel@tonic-gate follow_space_ct -= DISK_ERROR_LEN; 461*0Sstevel@tonic-gate if ((do_disk & DISK_EXTENDED) && do_conversions) 462*0Sstevel@tonic-gate follow_space_ct -= DEVICE_LEN; 463*0Sstevel@tonic-gate 464*0Sstevel@tonic-gate push_out("%1$*2$.*2$s%3$s%4$*5$.*5$s", one_blank, 465*0Sstevel@tonic-gate lead_space_ct, edev, one_blank, follow_space_ct); 466*0Sstevel@tonic-gate } else 467*0Sstevel@tonic-gate push_out("%56s", edev); 468*0Sstevel@tonic-gate } else 469*0Sstevel@tonic-gate push_out(edev); 470*0Sstevel@tonic-gate } 471*0Sstevel@tonic-gate 472*0Sstevel@tonic-gate /* 473*0Sstevel@tonic-gate * In extended mode headers, we don't want to reprint the header on 474*0Sstevel@tonic-gate * signals as they are printed every time anyways. 475*0Sstevel@tonic-gate */ 476*0Sstevel@tonic-gate static void 477*0Sstevel@tonic-gate printxhdr(void) 478*0Sstevel@tonic-gate { 479*0Sstevel@tonic-gate 480*0Sstevel@tonic-gate /* 481*0Sstevel@tonic-gate * Vertical mode headers 482*0Sstevel@tonic-gate */ 483*0Sstevel@tonic-gate if (do_disk & DISK_EXTENDED) 484*0Sstevel@tonic-gate setup(write_core_header); 485*0Sstevel@tonic-gate if (do_disk & DISK_ERRORS) 486*0Sstevel@tonic-gate setup(print_err_hdr); 487*0Sstevel@tonic-gate 488*0Sstevel@tonic-gate if (do_conversions) { 489*0Sstevel@tonic-gate setup(do_newline); 490*0Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) 491*0Sstevel@tonic-gate setup(print_disk_header); 492*0Sstevel@tonic-gate setup(do_newline); 493*0Sstevel@tonic-gate } else { 494*0Sstevel@tonic-gate if (do_tty) 495*0Sstevel@tonic-gate setup(print_tty_hdr1); 496*0Sstevel@tonic-gate if (do_cpu) 497*0Sstevel@tonic-gate setup(print_cpu_hdr1); 498*0Sstevel@tonic-gate setup(do_newline); 499*0Sstevel@tonic-gate 500*0Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) 501*0Sstevel@tonic-gate setup(print_disk_header); 502*0Sstevel@tonic-gate if (do_tty) 503*0Sstevel@tonic-gate setup(print_tty_hdr2); 504*0Sstevel@tonic-gate if (do_cpu) 505*0Sstevel@tonic-gate setup(print_cpu_hdr2); 506*0Sstevel@tonic-gate setup(do_newline); 507*0Sstevel@tonic-gate } 508*0Sstevel@tonic-gate } 509*0Sstevel@tonic-gate 510*0Sstevel@tonic-gate /* 511*0Sstevel@tonic-gate * Write out a line for this disk - note that show_disk writes out 512*0Sstevel@tonic-gate * full lines or blocks for each selected disk. 513*0Sstevel@tonic-gate */ 514*0Sstevel@tonic-gate static void 515*0Sstevel@tonic-gate show_disk(void *v1, void *v2, void *data) 516*0Sstevel@tonic-gate { 517*0Sstevel@tonic-gate struct iodev_snapshot *old = (struct iodev_snapshot *)v1; 518*0Sstevel@tonic-gate struct iodev_snapshot *new = (struct iodev_snapshot *)v2; 519*0Sstevel@tonic-gate int *count = (int *)data; 520*0Sstevel@tonic-gate double rps, wps, tps, mtps, krps, kwps, kps, avw, avr, w_pct, r_pct; 521*0Sstevel@tonic-gate double wserv, rserv, serv; 522*0Sstevel@tonic-gate double iosize; /* kb/sec or MB/sec */ 523*0Sstevel@tonic-gate double etime, hr_etime; 524*0Sstevel@tonic-gate char *disk_name; 525*0Sstevel@tonic-gate u_longlong_t ldeltas; 526*0Sstevel@tonic-gate uint_t udeltas; 527*0Sstevel@tonic-gate uint64_t t_delta; 528*0Sstevel@tonic-gate uint64_t w_delta; 529*0Sstevel@tonic-gate uint64_t r_delta; 530*0Sstevel@tonic-gate int doit = 1; 531*0Sstevel@tonic-gate int i; 532*0Sstevel@tonic-gate uint_t toterrs; 533*0Sstevel@tonic-gate char *fstr; 534*0Sstevel@tonic-gate 535*0Sstevel@tonic-gate if (new == NULL) 536*0Sstevel@tonic-gate return; 537*0Sstevel@tonic-gate 538*0Sstevel@tonic-gate switch (show_disk_mode) { 539*0Sstevel@tonic-gate case SHOW_FIRST_ONLY: 540*0Sstevel@tonic-gate if (count != NULL && *count) 541*0Sstevel@tonic-gate return; 542*0Sstevel@tonic-gate break; 543*0Sstevel@tonic-gate 544*0Sstevel@tonic-gate case SHOW_SECOND_ONWARDS: 545*0Sstevel@tonic-gate if (count != NULL && !*count) { 546*0Sstevel@tonic-gate (*count)++; 547*0Sstevel@tonic-gate return; 548*0Sstevel@tonic-gate } 549*0Sstevel@tonic-gate break; 550*0Sstevel@tonic-gate 551*0Sstevel@tonic-gate default: 552*0Sstevel@tonic-gate break; 553*0Sstevel@tonic-gate } 554*0Sstevel@tonic-gate 555*0Sstevel@tonic-gate disk_name = new->is_pretty ? new->is_pretty : new->is_name; 556*0Sstevel@tonic-gate 557*0Sstevel@tonic-gate /* 558*0Sstevel@tonic-gate * Only do if we want IO stats - Avoids errors traveling this 559*0Sstevel@tonic-gate * section if that's all we want to see. 560*0Sstevel@tonic-gate */ 561*0Sstevel@tonic-gate if (do_disk & DISK_IO_MASK) { 562*0Sstevel@tonic-gate if (old) { 563*0Sstevel@tonic-gate t_delta = hrtime_delta(old->is_snaptime, 564*0Sstevel@tonic-gate new->is_snaptime); 565*0Sstevel@tonic-gate } else { 566*0Sstevel@tonic-gate t_delta = hrtime_delta(new->is_crtime, 567*0Sstevel@tonic-gate new->is_snaptime); 568*0Sstevel@tonic-gate } 569*0Sstevel@tonic-gate 570*0Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER && new->is_nr_children) 571*0Sstevel@tonic-gate t_delta /= new->is_nr_children; 572*0Sstevel@tonic-gate 573*0Sstevel@tonic-gate hr_etime = (double)t_delta; 574*0Sstevel@tonic-gate if (hr_etime == 0.0) 575*0Sstevel@tonic-gate hr_etime = (double)NANOSEC; 576*0Sstevel@tonic-gate etime = hr_etime / (double)NANOSEC; 577*0Sstevel@tonic-gate 578*0Sstevel@tonic-gate /* reads per second */ 579*0Sstevel@tonic-gate udeltas = u32_delta(old ? old->is_stats.reads : 0, 580*0Sstevel@tonic-gate new->is_stats.reads); 581*0Sstevel@tonic-gate rps = (double)udeltas; 582*0Sstevel@tonic-gate rps /= etime; 583*0Sstevel@tonic-gate 584*0Sstevel@tonic-gate /* writes per second */ 585*0Sstevel@tonic-gate udeltas = u32_delta(old ? old->is_stats.writes : 0, 586*0Sstevel@tonic-gate new->is_stats.writes); 587*0Sstevel@tonic-gate wps = (double)udeltas; 588*0Sstevel@tonic-gate wps /= etime; 589*0Sstevel@tonic-gate 590*0Sstevel@tonic-gate tps = rps + wps; 591*0Sstevel@tonic-gate /* transactions per second */ 592*0Sstevel@tonic-gate 593*0Sstevel@tonic-gate /* 594*0Sstevel@tonic-gate * report throughput as either kb/sec or MB/sec 595*0Sstevel@tonic-gate */ 596*0Sstevel@tonic-gate 597*0Sstevel@tonic-gate if (!do_megabytes) 598*0Sstevel@tonic-gate iosize = 1024.0; 599*0Sstevel@tonic-gate else 600*0Sstevel@tonic-gate iosize = 1048576.0; 601*0Sstevel@tonic-gate 602*0Sstevel@tonic-gate ldeltas = ull_delta(old ? old->is_stats.nread : 0, 603*0Sstevel@tonic-gate new->is_stats.nread); 604*0Sstevel@tonic-gate if (ldeltas) { 605*0Sstevel@tonic-gate krps = (double)ldeltas; 606*0Sstevel@tonic-gate krps /= etime; 607*0Sstevel@tonic-gate krps /= iosize; 608*0Sstevel@tonic-gate } else 609*0Sstevel@tonic-gate krps = 0.0; 610*0Sstevel@tonic-gate 611*0Sstevel@tonic-gate ldeltas = ull_delta(old ? old->is_stats.nwritten : 0, 612*0Sstevel@tonic-gate new->is_stats.nwritten); 613*0Sstevel@tonic-gate if (ldeltas) { 614*0Sstevel@tonic-gate kwps = (double)ldeltas; 615*0Sstevel@tonic-gate kwps /= etime; 616*0Sstevel@tonic-gate kwps /= iosize; 617*0Sstevel@tonic-gate } else 618*0Sstevel@tonic-gate kwps = 0.0; 619*0Sstevel@tonic-gate 620*0Sstevel@tonic-gate /* 621*0Sstevel@tonic-gate * Blocks transferred per second 622*0Sstevel@tonic-gate */ 623*0Sstevel@tonic-gate kps = krps + kwps; 624*0Sstevel@tonic-gate 625*0Sstevel@tonic-gate /* 626*0Sstevel@tonic-gate * Average number of write transactions waiting 627*0Sstevel@tonic-gate */ 628*0Sstevel@tonic-gate w_delta = hrtime_delta((u_longlong_t) 629*0Sstevel@tonic-gate (old ? old->is_stats.wlentime : 0), 630*0Sstevel@tonic-gate new->is_stats.wlentime); 631*0Sstevel@tonic-gate if (w_delta) { 632*0Sstevel@tonic-gate avw = (double)w_delta; 633*0Sstevel@tonic-gate avw /= hr_etime; 634*0Sstevel@tonic-gate } else 635*0Sstevel@tonic-gate avw = 0.0; 636*0Sstevel@tonic-gate 637*0Sstevel@tonic-gate /* 638*0Sstevel@tonic-gate * Average number of read transactions waiting 639*0Sstevel@tonic-gate */ 640*0Sstevel@tonic-gate r_delta = hrtime_delta(old ? old->is_stats.rlentime : 0, 641*0Sstevel@tonic-gate new->is_stats.rlentime); 642*0Sstevel@tonic-gate if (r_delta) { 643*0Sstevel@tonic-gate avr = (double)r_delta; 644*0Sstevel@tonic-gate avr /= hr_etime; 645*0Sstevel@tonic-gate } else 646*0Sstevel@tonic-gate avr = 0.0; 647*0Sstevel@tonic-gate 648*0Sstevel@tonic-gate /* 649*0Sstevel@tonic-gate * Average wait service time in milliseconds 650*0Sstevel@tonic-gate */ 651*0Sstevel@tonic-gate if (tps > 0.0 && (avw != 0.0 || avr != 0.0)) { 652*0Sstevel@tonic-gate mtps = 1000.0 / tps; 653*0Sstevel@tonic-gate if (avw != 0.0) 654*0Sstevel@tonic-gate wserv = avw * mtps; 655*0Sstevel@tonic-gate else 656*0Sstevel@tonic-gate wserv = 0.0; 657*0Sstevel@tonic-gate 658*0Sstevel@tonic-gate if (avr != 0.0) 659*0Sstevel@tonic-gate rserv = avr * mtps; 660*0Sstevel@tonic-gate else 661*0Sstevel@tonic-gate rserv = 0.0; 662*0Sstevel@tonic-gate serv = rserv + wserv; 663*0Sstevel@tonic-gate } else { 664*0Sstevel@tonic-gate rserv = 0.0; 665*0Sstevel@tonic-gate wserv = 0.0; 666*0Sstevel@tonic-gate serv = 0.0; 667*0Sstevel@tonic-gate } 668*0Sstevel@tonic-gate 669*0Sstevel@tonic-gate /* % of time there is a transaction waiting for service */ 670*0Sstevel@tonic-gate t_delta = hrtime_delta(old ? old->is_stats.wtime : 0, 671*0Sstevel@tonic-gate new->is_stats.wtime); 672*0Sstevel@tonic-gate if (t_delta) { 673*0Sstevel@tonic-gate w_pct = (double)t_delta; 674*0Sstevel@tonic-gate w_pct /= hr_etime; 675*0Sstevel@tonic-gate w_pct *= 100.0; 676*0Sstevel@tonic-gate 677*0Sstevel@tonic-gate /* 678*0Sstevel@tonic-gate * Average the wait queue utilization over the 679*0Sstevel@tonic-gate * the controller's devices, if this is a controller. 680*0Sstevel@tonic-gate */ 681*0Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER) 682*0Sstevel@tonic-gate w_pct /= new->is_nr_children; 683*0Sstevel@tonic-gate } else 684*0Sstevel@tonic-gate w_pct = 0.0; 685*0Sstevel@tonic-gate 686*0Sstevel@tonic-gate /* % of time there is a transaction running */ 687*0Sstevel@tonic-gate t_delta = hrtime_delta(old ? old->is_stats.rtime : 0, 688*0Sstevel@tonic-gate new->is_stats.rtime); 689*0Sstevel@tonic-gate if (t_delta) { 690*0Sstevel@tonic-gate r_pct = (double)t_delta; 691*0Sstevel@tonic-gate r_pct /= hr_etime; 692*0Sstevel@tonic-gate r_pct *= 100.0; 693*0Sstevel@tonic-gate 694*0Sstevel@tonic-gate /* 695*0Sstevel@tonic-gate * Average the percent busy over the controller's 696*0Sstevel@tonic-gate * devices, if this is a controller. 697*0Sstevel@tonic-gate */ 698*0Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER) 699*0Sstevel@tonic-gate w_pct /= new->is_nr_children; 700*0Sstevel@tonic-gate } else { 701*0Sstevel@tonic-gate r_pct = 0.0; 702*0Sstevel@tonic-gate } 703*0Sstevel@tonic-gate 704*0Sstevel@tonic-gate /* % of time there is a transaction running */ 705*0Sstevel@tonic-gate if (do_interval) { 706*0Sstevel@tonic-gate rps *= etime; 707*0Sstevel@tonic-gate wps *= etime; 708*0Sstevel@tonic-gate tps *= etime; 709*0Sstevel@tonic-gate krps *= etime; 710*0Sstevel@tonic-gate kwps *= etime; 711*0Sstevel@tonic-gate kps *= etime; 712*0Sstevel@tonic-gate } 713*0Sstevel@tonic-gate } 714*0Sstevel@tonic-gate 715*0Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) { 716*0Sstevel@tonic-gate if ((!do_conversions) && ((suppress_zero == 0) || 717*0Sstevel@tonic-gate ((do_disk & DISK_EXTENDED) == 0))) { 718*0Sstevel@tonic-gate if (do_raw == 0) 719*0Sstevel@tonic-gate push_out(DISPLAYED_NAME_FORMAT, 720*0Sstevel@tonic-gate disk_name); 721*0Sstevel@tonic-gate else 722*0Sstevel@tonic-gate push_out(disk_name); 723*0Sstevel@tonic-gate } 724*0Sstevel@tonic-gate } 725*0Sstevel@tonic-gate 726*0Sstevel@tonic-gate switch (do_disk & DISK_IO_MASK) { 727*0Sstevel@tonic-gate case DISK_OLD: 728*0Sstevel@tonic-gate if (do_raw == 0) 729*0Sstevel@tonic-gate fstr = "%3.0f %3.0f %4.0f "; 730*0Sstevel@tonic-gate else 731*0Sstevel@tonic-gate fstr = "%.0f,%.0f,%.0f"; 732*0Sstevel@tonic-gate push_out(fstr, kps, tps, serv); 733*0Sstevel@tonic-gate break; 734*0Sstevel@tonic-gate case DISK_NEW: 735*0Sstevel@tonic-gate if (do_raw == 0) 736*0Sstevel@tonic-gate fstr = "%3.0f %3.0f %4.1f "; 737*0Sstevel@tonic-gate else 738*0Sstevel@tonic-gate fstr = "%.0f,%.0f,%.1f"; 739*0Sstevel@tonic-gate push_out(fstr, rps, wps, r_pct); 740*0Sstevel@tonic-gate break; 741*0Sstevel@tonic-gate case DISK_EXTENDED: 742*0Sstevel@tonic-gate if (suppress_zero) { 743*0Sstevel@tonic-gate if (fzero(rps) && fzero(wps) && fzero(krps) && 744*0Sstevel@tonic-gate fzero(kwps) && fzero(avw) && fzero(avr) && 745*0Sstevel@tonic-gate fzero(serv) && fzero(w_pct) && fzero(r_pct)) 746*0Sstevel@tonic-gate doit = 0; 747*0Sstevel@tonic-gate else if (do_conversions == 0) { 748*0Sstevel@tonic-gate if (do_raw == 0) 749*0Sstevel@tonic-gate push_out(DISPLAYED_NAME_FORMAT, 750*0Sstevel@tonic-gate disk_name); 751*0Sstevel@tonic-gate else 752*0Sstevel@tonic-gate push_out(disk_name); 753*0Sstevel@tonic-gate } 754*0Sstevel@tonic-gate } 755*0Sstevel@tonic-gate if (doit) { 756*0Sstevel@tonic-gate if (!do_conversions) { 757*0Sstevel@tonic-gate if (do_raw == 0) { 758*0Sstevel@tonic-gate fstr = " %6.1f %6.1f %6.1f %6.1f " 759*0Sstevel@tonic-gate "%4.1f %4.1f %6.1f %3.0f " 760*0Sstevel@tonic-gate "%3.0f "; 761*0Sstevel@tonic-gate } else { 762*0Sstevel@tonic-gate fstr = "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f," 763*0Sstevel@tonic-gate "%.1f,%.0f,%.0f"; 764*0Sstevel@tonic-gate } 765*0Sstevel@tonic-gate push_out(fstr, rps, wps, krps, kwps, avw, avr, 766*0Sstevel@tonic-gate serv, w_pct, r_pct); 767*0Sstevel@tonic-gate } else { 768*0Sstevel@tonic-gate if (do_raw == 0) { 769*0Sstevel@tonic-gate fstr = " %6.1f %6.1f %6.1f %6.1f " 770*0Sstevel@tonic-gate "%4.1f %4.1f %6.1f %6.1f " 771*0Sstevel@tonic-gate "%3.0f %3.0f "; 772*0Sstevel@tonic-gate } else { 773*0Sstevel@tonic-gate fstr = "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f," 774*0Sstevel@tonic-gate "%.1f,%.1f,%.0f,%.0f"; 775*0Sstevel@tonic-gate } 776*0Sstevel@tonic-gate push_out(fstr, rps, wps, krps, kwps, avw, avr, 777*0Sstevel@tonic-gate wserv, rserv, w_pct, r_pct); 778*0Sstevel@tonic-gate } 779*0Sstevel@tonic-gate } 780*0Sstevel@tonic-gate break; 781*0Sstevel@tonic-gate } 782*0Sstevel@tonic-gate 783*0Sstevel@tonic-gate if (do_disk & DISK_ERRORS) { 784*0Sstevel@tonic-gate if ((do_disk == DISK_ERRORS)) { 785*0Sstevel@tonic-gate if (do_raw == 0) 786*0Sstevel@tonic-gate push_out(two_blanks); 787*0Sstevel@tonic-gate } 788*0Sstevel@tonic-gate 789*0Sstevel@tonic-gate if (new->is_errors.ks_data) { 790*0Sstevel@tonic-gate kstat_named_t *knp; 791*0Sstevel@tonic-gate char *efstr; 792*0Sstevel@tonic-gate 793*0Sstevel@tonic-gate if (do_raw == 0) 794*0Sstevel@tonic-gate efstr = "%3u "; 795*0Sstevel@tonic-gate else 796*0Sstevel@tonic-gate efstr = "%u"; 797*0Sstevel@tonic-gate toterrs = 0; 798*0Sstevel@tonic-gate knp = KSTAT_NAMED_PTR(&new->is_errors); 799*0Sstevel@tonic-gate for (i = 0; i < 3; i++) { 800*0Sstevel@tonic-gate switch (knp[i].data_type) { 801*0Sstevel@tonic-gate case KSTAT_DATA_ULONG: 802*0Sstevel@tonic-gate push_out(efstr, 803*0Sstevel@tonic-gate knp[i].value.ui32); 804*0Sstevel@tonic-gate toterrs += knp[i].value.ui32; 805*0Sstevel@tonic-gate break; 806*0Sstevel@tonic-gate case KSTAT_DATA_ULONGLONG: 807*0Sstevel@tonic-gate /* 808*0Sstevel@tonic-gate * We're only set up to 809*0Sstevel@tonic-gate * write out the low 810*0Sstevel@tonic-gate * order 32-bits so 811*0Sstevel@tonic-gate * just grab that. 812*0Sstevel@tonic-gate */ 813*0Sstevel@tonic-gate push_out(efstr, 814*0Sstevel@tonic-gate knp[i].value.ui32); 815*0Sstevel@tonic-gate toterrs += knp[i].value.ui32; 816*0Sstevel@tonic-gate break; 817*0Sstevel@tonic-gate default: 818*0Sstevel@tonic-gate break; 819*0Sstevel@tonic-gate } 820*0Sstevel@tonic-gate } 821*0Sstevel@tonic-gate push_out(efstr, toterrs); 822*0Sstevel@tonic-gate } else { 823*0Sstevel@tonic-gate if (do_raw == 0) 824*0Sstevel@tonic-gate push_out(" 0 0 0 0 "); 825*0Sstevel@tonic-gate else 826*0Sstevel@tonic-gate push_out("0,0,0,0"); 827*0Sstevel@tonic-gate } 828*0Sstevel@tonic-gate 829*0Sstevel@tonic-gate } 830*0Sstevel@tonic-gate 831*0Sstevel@tonic-gate if (suppress_zero == 0 || doit == 1) { 832*0Sstevel@tonic-gate if ((do_disk & (DISK_EXTENDED | DISK_ERRORS)) && 833*0Sstevel@tonic-gate do_conversions) { 834*0Sstevel@tonic-gate push_out("%s", disk_name); 835*0Sstevel@tonic-gate if (show_mountpts && new->is_dname) { 836*0Sstevel@tonic-gate mnt_t *mount_pt; 837*0Sstevel@tonic-gate char *lu; 838*0Sstevel@tonic-gate char lub[SMALL_SCRATCH_BUFLEN]; 839*0Sstevel@tonic-gate 840*0Sstevel@tonic-gate lu = strrchr(new->is_dname, '/'); 841*0Sstevel@tonic-gate if (lu) { 842*0Sstevel@tonic-gate if (strcmp(disk_name, lu) == 0) 843*0Sstevel@tonic-gate lu = new->is_dname; 844*0Sstevel@tonic-gate else { 845*0Sstevel@tonic-gate *lu = 0; 846*0Sstevel@tonic-gate (void) strcpy(lub, 847*0Sstevel@tonic-gate new->is_dname); 848*0Sstevel@tonic-gate *lu = '/'; 849*0Sstevel@tonic-gate (void) strcat(lub, "/"); 850*0Sstevel@tonic-gate (void) strcat(lub, 851*0Sstevel@tonic-gate disk_name); 852*0Sstevel@tonic-gate lu = lub; 853*0Sstevel@tonic-gate } 854*0Sstevel@tonic-gate } else 855*0Sstevel@tonic-gate lu = disk_name; 856*0Sstevel@tonic-gate mount_pt = lookup_mntent_byname(lu); 857*0Sstevel@tonic-gate if (mount_pt) { 858*0Sstevel@tonic-gate if (do_raw == 0) 859*0Sstevel@tonic-gate push_out(" (%s)", 860*0Sstevel@tonic-gate mount_pt->mount_point); 861*0Sstevel@tonic-gate else 862*0Sstevel@tonic-gate push_out("(%s)", 863*0Sstevel@tonic-gate mount_pt->mount_point); 864*0Sstevel@tonic-gate } 865*0Sstevel@tonic-gate } 866*0Sstevel@tonic-gate } 867*0Sstevel@tonic-gate } 868*0Sstevel@tonic-gate 869*0Sstevel@tonic-gate if ((do_disk & PRINT_VERTICAL) && show_disk_mode != SHOW_FIRST_ONLY) 870*0Sstevel@tonic-gate do_newline(); 871*0Sstevel@tonic-gate 872*0Sstevel@tonic-gate if (count != NULL) 873*0Sstevel@tonic-gate (*count)++; 874*0Sstevel@tonic-gate } 875*0Sstevel@tonic-gate 876*0Sstevel@tonic-gate static void 877*0Sstevel@tonic-gate usage(void) 878*0Sstevel@tonic-gate { 879*0Sstevel@tonic-gate (void) fprintf(stderr, 880*0Sstevel@tonic-gate "Usage: iostat [-cCdDeEiImMnpPrstxXz] " 881*0Sstevel@tonic-gate " [-l n] [-T d|u] [disk ...] [interval [count]]\n" 882*0Sstevel@tonic-gate "\t\t-c: report percentage of time system has spent\n" 883*0Sstevel@tonic-gate "\t\t\tin user/system/wait/idle mode\n" 884*0Sstevel@tonic-gate "\t\t-C: report disk statistics by controller\n" 885*0Sstevel@tonic-gate "\t\t-d: display disk Kb/sec, transfers/sec, avg. \n" 886*0Sstevel@tonic-gate "\t\t\tservice time in milliseconds \n" 887*0Sstevel@tonic-gate "\t\t-D: display disk reads/sec, writes/sec, \n" 888*0Sstevel@tonic-gate "\t\t\tpercentage disk utilization \n" 889*0Sstevel@tonic-gate "\t\t-e: report device error summary statistics\n" 890*0Sstevel@tonic-gate "\t\t-E: report extended device error statistics\n" 891*0Sstevel@tonic-gate "\t\t-i: show device IDs for -E output\n" 892*0Sstevel@tonic-gate "\t\t-I: report the counts in each interval,\n" 893*0Sstevel@tonic-gate "\t\t\tinstead of rates, where applicable\n" 894*0Sstevel@tonic-gate "\t\t-l n: Limit the number of disks to n\n" 895*0Sstevel@tonic-gate "\t\t-m: Display mount points (most useful with -p)\n" 896*0Sstevel@tonic-gate "\t\t-M: Display data throughput in MB/sec " 897*0Sstevel@tonic-gate "instead of Kb/sec\n" 898*0Sstevel@tonic-gate "\t\t-n: convert device names to cXdYtZ format\n" 899*0Sstevel@tonic-gate "\t\t-p: report per-partition disk statistics\n" 900*0Sstevel@tonic-gate "\t\t-P: report per-partition disk statistics only,\n" 901*0Sstevel@tonic-gate "\t\t\tno per-device disk statistics\n" 902*0Sstevel@tonic-gate "\t\t-r: Display data in comma separated format\n" 903*0Sstevel@tonic-gate "\t\t-s: Suppress state change messages\n" 904*0Sstevel@tonic-gate "\t\t-T d|u Display a timestamp in date (d) or unix " 905*0Sstevel@tonic-gate "time_t (u)\n" 906*0Sstevel@tonic-gate "\t\t-t: display chars read/written to terminals\n" 907*0Sstevel@tonic-gate "\t\t-x: display extended disk statistics\n" 908*0Sstevel@tonic-gate "\t\t-X: display I/O path statistics\n" 909*0Sstevel@tonic-gate "\t\t-z: Suppress entries with all zero values\n"); 910*0Sstevel@tonic-gate exit(1); 911*0Sstevel@tonic-gate } 912*0Sstevel@tonic-gate 913*0Sstevel@tonic-gate /*ARGSUSED*/ 914*0Sstevel@tonic-gate static void 915*0Sstevel@tonic-gate show_disk_errors(void *v1, void *v2, void *d) 916*0Sstevel@tonic-gate { 917*0Sstevel@tonic-gate struct iodev_snapshot *disk = (struct iodev_snapshot *)v2; 918*0Sstevel@tonic-gate kstat_named_t *knp; 919*0Sstevel@tonic-gate size_t col; 920*0Sstevel@tonic-gate int i, len; 921*0Sstevel@tonic-gate char *dev_name = disk->is_name; 922*0Sstevel@tonic-gate 923*0Sstevel@tonic-gate if (disk->is_errors.ks_ndata == 0) 924*0Sstevel@tonic-gate return; 925*0Sstevel@tonic-gate if (disk->is_type == IODEV_CONTROLLER) 926*0Sstevel@tonic-gate return; 927*0Sstevel@tonic-gate 928*0Sstevel@tonic-gate if (disk->is_pretty) 929*0Sstevel@tonic-gate dev_name = disk->is_pretty; 930*0Sstevel@tonic-gate 931*0Sstevel@tonic-gate len = strlen(dev_name); 932*0Sstevel@tonic-gate if (len > 20) 933*0Sstevel@tonic-gate push_out("%s ", dev_name); 934*0Sstevel@tonic-gate else if (len > 16) 935*0Sstevel@tonic-gate push_out("%-20.20s ", dev_name); 936*0Sstevel@tonic-gate else { 937*0Sstevel@tonic-gate if (do_conversions) 938*0Sstevel@tonic-gate push_out("%-16.16s ", dev_name); 939*0Sstevel@tonic-gate else 940*0Sstevel@tonic-gate push_out("%-9.9s ", dev_name); 941*0Sstevel@tonic-gate } 942*0Sstevel@tonic-gate col = 0; 943*0Sstevel@tonic-gate 944*0Sstevel@tonic-gate knp = KSTAT_NAMED_PTR(&disk->is_errors); 945*0Sstevel@tonic-gate for (i = 0; i < disk->is_errors.ks_ndata; i++) { 946*0Sstevel@tonic-gate /* skip kstats that the driver did not kstat_named_init */ 947*0Sstevel@tonic-gate if (knp[i].name[0] == 0) 948*0Sstevel@tonic-gate continue; 949*0Sstevel@tonic-gate 950*0Sstevel@tonic-gate col += strlen(knp[i].name); 951*0Sstevel@tonic-gate 952*0Sstevel@tonic-gate switch (knp[i].data_type) { 953*0Sstevel@tonic-gate case KSTAT_DATA_CHAR: 954*0Sstevel@tonic-gate if ((strcmp(knp[i].name, "Serial No") == 0) && 955*0Sstevel@tonic-gate do_devid) { 956*0Sstevel@tonic-gate if (disk->is_devid) { 957*0Sstevel@tonic-gate push_out("Device Id: %s ", 958*0Sstevel@tonic-gate disk->is_devid); 959*0Sstevel@tonic-gate col += strlen(disk->is_devid); 960*0Sstevel@tonic-gate } else 961*0Sstevel@tonic-gate push_out("Device Id: "); 962*0Sstevel@tonic-gate } else { 963*0Sstevel@tonic-gate push_out("%s: %-.16s ", knp[i].name, 964*0Sstevel@tonic-gate &knp[i].value.c[0]); 965*0Sstevel@tonic-gate col += strlen(&knp[i].value.c[0]); 966*0Sstevel@tonic-gate } 967*0Sstevel@tonic-gate break; 968*0Sstevel@tonic-gate case KSTAT_DATA_ULONG: 969*0Sstevel@tonic-gate push_out("%s: %u ", knp[i].name, 970*0Sstevel@tonic-gate knp[i].value.ui32); 971*0Sstevel@tonic-gate col += 4; 972*0Sstevel@tonic-gate break; 973*0Sstevel@tonic-gate case KSTAT_DATA_ULONGLONG: 974*0Sstevel@tonic-gate if (strcmp(knp[i].name, "Size") == 0) { 975*0Sstevel@tonic-gate push_out("%s: %2.2fGB <%llu bytes>\n", 976*0Sstevel@tonic-gate knp[i].name, 977*0Sstevel@tonic-gate (float)knp[i].value.ui64 / 978*0Sstevel@tonic-gate DISK_GIGABYTE, 979*0Sstevel@tonic-gate knp[i].value.ui64); 980*0Sstevel@tonic-gate col = 0; 981*0Sstevel@tonic-gate break; 982*0Sstevel@tonic-gate } 983*0Sstevel@tonic-gate push_out("%s: %u ", knp[i].name, 984*0Sstevel@tonic-gate knp[i].value.ui32); 985*0Sstevel@tonic-gate col += 4; 986*0Sstevel@tonic-gate break; 987*0Sstevel@tonic-gate } 988*0Sstevel@tonic-gate if ((col >= 62) || (i == 2)) { 989*0Sstevel@tonic-gate do_newline(); 990*0Sstevel@tonic-gate col = 0; 991*0Sstevel@tonic-gate } 992*0Sstevel@tonic-gate } 993*0Sstevel@tonic-gate if (col > 0) { 994*0Sstevel@tonic-gate do_newline(); 995*0Sstevel@tonic-gate } 996*0Sstevel@tonic-gate do_newline(); 997*0Sstevel@tonic-gate } 998*0Sstevel@tonic-gate 999*0Sstevel@tonic-gate void 1000*0Sstevel@tonic-gate do_args(int argc, char **argv) 1001*0Sstevel@tonic-gate { 1002*0Sstevel@tonic-gate int c; 1003*0Sstevel@tonic-gate int errflg = 0; 1004*0Sstevel@tonic-gate extern char *optarg; 1005*0Sstevel@tonic-gate extern int optind; 1006*0Sstevel@tonic-gate 1007*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "tdDxXCciIpPnmMeEszrT:l:")) != EOF) 1008*0Sstevel@tonic-gate switch (c) { 1009*0Sstevel@tonic-gate case 't': 1010*0Sstevel@tonic-gate do_tty++; 1011*0Sstevel@tonic-gate break; 1012*0Sstevel@tonic-gate case 'd': 1013*0Sstevel@tonic-gate do_disk |= DISK_OLD; 1014*0Sstevel@tonic-gate break; 1015*0Sstevel@tonic-gate case 'D': 1016*0Sstevel@tonic-gate do_disk |= DISK_NEW; 1017*0Sstevel@tonic-gate break; 1018*0Sstevel@tonic-gate case 'x': 1019*0Sstevel@tonic-gate do_disk |= DISK_EXTENDED; 1020*0Sstevel@tonic-gate break; 1021*0Sstevel@tonic-gate case 'X': 1022*0Sstevel@tonic-gate do_disk |= DISK_IOPATH; 1023*0Sstevel@tonic-gate break; 1024*0Sstevel@tonic-gate case 'C': 1025*0Sstevel@tonic-gate do_controller++; 1026*0Sstevel@tonic-gate break; 1027*0Sstevel@tonic-gate case 'c': 1028*0Sstevel@tonic-gate do_cpu++; 1029*0Sstevel@tonic-gate break; 1030*0Sstevel@tonic-gate case 'I': 1031*0Sstevel@tonic-gate do_interval++; 1032*0Sstevel@tonic-gate break; 1033*0Sstevel@tonic-gate case 'p': 1034*0Sstevel@tonic-gate do_partitions++; 1035*0Sstevel@tonic-gate break; 1036*0Sstevel@tonic-gate case 'P': 1037*0Sstevel@tonic-gate do_partitions_only++; 1038*0Sstevel@tonic-gate break; 1039*0Sstevel@tonic-gate case 'n': 1040*0Sstevel@tonic-gate do_conversions++; 1041*0Sstevel@tonic-gate break; 1042*0Sstevel@tonic-gate case 'M': 1043*0Sstevel@tonic-gate do_megabytes++; 1044*0Sstevel@tonic-gate break; 1045*0Sstevel@tonic-gate case 'e': 1046*0Sstevel@tonic-gate do_disk |= DISK_ERRORS; 1047*0Sstevel@tonic-gate break; 1048*0Sstevel@tonic-gate case 'E': 1049*0Sstevel@tonic-gate do_disk |= DISK_EXTENDED_ERRORS; 1050*0Sstevel@tonic-gate break; 1051*0Sstevel@tonic-gate case 'i': 1052*0Sstevel@tonic-gate do_devid = 1; 1053*0Sstevel@tonic-gate break; 1054*0Sstevel@tonic-gate case 's': 1055*0Sstevel@tonic-gate suppress_state = 1; 1056*0Sstevel@tonic-gate break; 1057*0Sstevel@tonic-gate case 'z': 1058*0Sstevel@tonic-gate suppress_zero = 1; 1059*0Sstevel@tonic-gate break; 1060*0Sstevel@tonic-gate case 'm': 1061*0Sstevel@tonic-gate show_mountpts = 1; 1062*0Sstevel@tonic-gate break; 1063*0Sstevel@tonic-gate case 'T': 1064*0Sstevel@tonic-gate if (optarg) { 1065*0Sstevel@tonic-gate if (*optarg == 'u') 1066*0Sstevel@tonic-gate do_timestamp = UDATE; 1067*0Sstevel@tonic-gate else if (*optarg == 'd') 1068*0Sstevel@tonic-gate do_timestamp = CDATE; 1069*0Sstevel@tonic-gate else 1070*0Sstevel@tonic-gate errflg++; 1071*0Sstevel@tonic-gate } else 1072*0Sstevel@tonic-gate errflg++; 1073*0Sstevel@tonic-gate break; 1074*0Sstevel@tonic-gate case 'r': 1075*0Sstevel@tonic-gate do_raw = 1; 1076*0Sstevel@tonic-gate break; 1077*0Sstevel@tonic-gate case 'l': 1078*0Sstevel@tonic-gate df.if_max_iodevs = safe_strtoi(optarg, "invalid limit"); 1079*0Sstevel@tonic-gate if (df.if_max_iodevs < 1) 1080*0Sstevel@tonic-gate usage(); 1081*0Sstevel@tonic-gate break; 1082*0Sstevel@tonic-gate case '?': 1083*0Sstevel@tonic-gate errflg++; 1084*0Sstevel@tonic-gate } 1085*0Sstevel@tonic-gate 1086*0Sstevel@tonic-gate if ((do_disk & DISK_OLD) && (do_disk & DISK_NEW)) { 1087*0Sstevel@tonic-gate (void) fprintf(stderr, "-d and -D are incompatible.\n"); 1088*0Sstevel@tonic-gate usage(); 1089*0Sstevel@tonic-gate } 1090*0Sstevel@tonic-gate 1091*0Sstevel@tonic-gate if (errflg) { 1092*0Sstevel@tonic-gate usage(); 1093*0Sstevel@tonic-gate } 1094*0Sstevel@tonic-gate /* if no output classes explicity specified, use defaults */ 1095*0Sstevel@tonic-gate if (do_tty == 0 && do_disk == 0 && do_cpu == 0) 1096*0Sstevel@tonic-gate do_tty = do_cpu = 1, do_disk = DISK_OLD; 1097*0Sstevel@tonic-gate 1098*0Sstevel@tonic-gate /* 1099*0Sstevel@tonic-gate * If conflicting options take the preferred 1100*0Sstevel@tonic-gate * -D and -x result in -x 1101*0Sstevel@tonic-gate * -d or -D and -e or -E gives only whatever -d or -D was specified 1102*0Sstevel@tonic-gate */ 1103*0Sstevel@tonic-gate if ((do_disk & DISK_EXTENDED) && (do_disk & DISK_NORMAL)) 1104*0Sstevel@tonic-gate do_disk &= ~DISK_NORMAL; 1105*0Sstevel@tonic-gate if ((do_disk & DISK_NORMAL) && (do_disk & DISK_ERROR_MASK)) 1106*0Sstevel@tonic-gate do_disk &= ~DISK_ERROR_MASK; 1107*0Sstevel@tonic-gate 1108*0Sstevel@tonic-gate /* 1109*0Sstevel@tonic-gate * I/O path stats are only available with extended (-x) stats 1110*0Sstevel@tonic-gate */ 1111*0Sstevel@tonic-gate if ((do_disk & DISK_IOPATH) && !(do_disk & DISK_EXTENDED)) 1112*0Sstevel@tonic-gate do_disk &= ~DISK_IOPATH; 1113*0Sstevel@tonic-gate 1114*0Sstevel@tonic-gate /* nfs, tape, always shown */ 1115*0Sstevel@tonic-gate df.if_allowed_types = IODEV_NFS | IODEV_TAPE; 1116*0Sstevel@tonic-gate 1117*0Sstevel@tonic-gate /* 1118*0Sstevel@tonic-gate * If limit == 0 then no command line limit was set, else if any of 1119*0Sstevel@tonic-gate * the flags that cause unlimited disks were not set, 1120*0Sstevel@tonic-gate * use the default of 4 1121*0Sstevel@tonic-gate */ 1122*0Sstevel@tonic-gate if (df.if_max_iodevs == 0) { 1123*0Sstevel@tonic-gate df.if_max_iodevs = DEFAULT_LIMIT; 1124*0Sstevel@tonic-gate df.if_skip_floppy = 1; 1125*0Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS | 1126*0Sstevel@tonic-gate DISK_EXTENDED_ERRORS)) { 1127*0Sstevel@tonic-gate df.if_max_iodevs = UNLIMITED_IODEVS; 1128*0Sstevel@tonic-gate df.if_skip_floppy = 0; 1129*0Sstevel@tonic-gate } 1130*0Sstevel@tonic-gate } 1131*0Sstevel@tonic-gate if (do_disk) { 1132*0Sstevel@tonic-gate size_t count = 0; 1133*0Sstevel@tonic-gate size_t i = optind; 1134*0Sstevel@tonic-gate 1135*0Sstevel@tonic-gate while (i < argc && !isdigit(argv[i][0])) { 1136*0Sstevel@tonic-gate count++; 1137*0Sstevel@tonic-gate i++; 1138*0Sstevel@tonic-gate } 1139*0Sstevel@tonic-gate 1140*0Sstevel@tonic-gate /* 1141*0Sstevel@tonic-gate * "Note: disks explicitly requested 1142*0Sstevel@tonic-gate * are not subject to this disk limit" 1143*0Sstevel@tonic-gate */ 1144*0Sstevel@tonic-gate if (count > df.if_max_iodevs) 1145*0Sstevel@tonic-gate df.if_max_iodevs = count; 1146*0Sstevel@tonic-gate df.if_names = safe_alloc(count * sizeof (char *)); 1147*0Sstevel@tonic-gate (void) memset(df.if_names, 0, count * sizeof (char *)); 1148*0Sstevel@tonic-gate 1149*0Sstevel@tonic-gate while (optind < argc && !isdigit(argv[optind][0])) 1150*0Sstevel@tonic-gate df.if_names[df.if_nr_names++] = argv[optind++]; 1151*0Sstevel@tonic-gate } 1152*0Sstevel@tonic-gate if (optind < argc) { 1153*0Sstevel@tonic-gate interval = safe_strtoi(argv[optind], "invalid interval"); 1154*0Sstevel@tonic-gate if (interval < 1) 1155*0Sstevel@tonic-gate fail(0, "invalid interval"); 1156*0Sstevel@tonic-gate optind++; 1157*0Sstevel@tonic-gate 1158*0Sstevel@tonic-gate if (optind < argc) { 1159*0Sstevel@tonic-gate iter = safe_strtoi(argv[optind], "invalid count"); 1160*0Sstevel@tonic-gate if (iter < 1) 1161*0Sstevel@tonic-gate fail(0, "invalid count"); 1162*0Sstevel@tonic-gate optind++; 1163*0Sstevel@tonic-gate } 1164*0Sstevel@tonic-gate } 1165*0Sstevel@tonic-gate if (interval == 0) 1166*0Sstevel@tonic-gate iter = 1; 1167*0Sstevel@tonic-gate if (optind < argc) 1168*0Sstevel@tonic-gate usage(); 1169*0Sstevel@tonic-gate } 1170*0Sstevel@tonic-gate 1171*0Sstevel@tonic-gate /* 1172*0Sstevel@tonic-gate * Driver for doing the extended header formatting. Will produce 1173*0Sstevel@tonic-gate * the function stack needed to output an extended header based 1174*0Sstevel@tonic-gate * on the options selected. 1175*0Sstevel@tonic-gate */ 1176*0Sstevel@tonic-gate 1177*0Sstevel@tonic-gate void 1178*0Sstevel@tonic-gate do_format(void) 1179*0Sstevel@tonic-gate { 1180*0Sstevel@tonic-gate char header[SMALL_SCRATCH_BUFLEN]; 1181*0Sstevel@tonic-gate char ch; 1182*0Sstevel@tonic-gate char iosz; 1183*0Sstevel@tonic-gate const char *fstr; 1184*0Sstevel@tonic-gate 1185*0Sstevel@tonic-gate disk_header[0] = 0; 1186*0Sstevel@tonic-gate ch = (do_interval ? 'i' : 's'); 1187*0Sstevel@tonic-gate iosz = (do_megabytes ? 'M' : 'k'); 1188*0Sstevel@tonic-gate if (do_disk & DISK_ERRORS) { 1189*0Sstevel@tonic-gate if (do_raw == 0) { 1190*0Sstevel@tonic-gate (void) sprintf(header, "s/w h/w trn tot "); 1191*0Sstevel@tonic-gate } else 1192*0Sstevel@tonic-gate (void) sprintf(header, "s/w,h/w,trn,tot"); 1193*0Sstevel@tonic-gate } else 1194*0Sstevel@tonic-gate *header = NULL; 1195*0Sstevel@tonic-gate switch (do_disk & DISK_IO_MASK) { 1196*0Sstevel@tonic-gate case DISK_OLD: 1197*0Sstevel@tonic-gate if (do_raw == 0) 1198*0Sstevel@tonic-gate fstr = "%cp%c tp%c serv "; 1199*0Sstevel@tonic-gate else 1200*0Sstevel@tonic-gate fstr = "%cp%c,tp%c,serv"; 1201*0Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 1202*0Sstevel@tonic-gate fstr, iosz, ch, ch); 1203*0Sstevel@tonic-gate break; 1204*0Sstevel@tonic-gate case DISK_NEW: 1205*0Sstevel@tonic-gate if (do_raw == 0) 1206*0Sstevel@tonic-gate fstr = "rp%c wp%c util "; 1207*0Sstevel@tonic-gate else 1208*0Sstevel@tonic-gate fstr = "%rp%c,wp%c,util"; 1209*0Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 1210*0Sstevel@tonic-gate fstr, ch, ch); 1211*0Sstevel@tonic-gate break; 1212*0Sstevel@tonic-gate case DISK_EXTENDED: 1213*0Sstevel@tonic-gate if (!do_conversions) { 1214*0Sstevel@tonic-gate if (do_raw == 0) 1215*0Sstevel@tonic-gate fstr = "device r/%c w/%c " 1216*0Sstevel@tonic-gate "%cr/%c %cw/%c wait actv " 1217*0Sstevel@tonic-gate "svc_t %%%%w %%%%b %s"; 1218*0Sstevel@tonic-gate else 1219*0Sstevel@tonic-gate fstr = "device,r/%c,w/%c,%cr/%c,%cw/%c," 1220*0Sstevel@tonic-gate "wait,actv,svc_t,%%%%w," 1221*0Sstevel@tonic-gate "%%%%b,%s"; 1222*0Sstevel@tonic-gate (void) snprintf(disk_header, 1223*0Sstevel@tonic-gate sizeof (disk_header), 1224*0Sstevel@tonic-gate fstr, ch, ch, iosz, ch, iosz, 1225*0Sstevel@tonic-gate ch, header); 1226*0Sstevel@tonic-gate } else { 1227*0Sstevel@tonic-gate if (do_raw == 0) { 1228*0Sstevel@tonic-gate fstr = " r/%c w/%c %cr/%c " 1229*0Sstevel@tonic-gate "%cw/%c wait actv wsvc_t asvc_t " 1230*0Sstevel@tonic-gate "%%%%w %%%%b %sdevice"; 1231*0Sstevel@tonic-gate } else { 1232*0Sstevel@tonic-gate fstr = "r/%c,w/%c,%cr/%c,%cw/%c," 1233*0Sstevel@tonic-gate "wait,actv,wsvc_t,asvc_t," 1234*0Sstevel@tonic-gate "%%%%w,%%%%b,%sdevice"; 1235*0Sstevel@tonic-gate } 1236*0Sstevel@tonic-gate (void) snprintf(disk_header, 1237*0Sstevel@tonic-gate sizeof (disk_header), 1238*0Sstevel@tonic-gate fstr, ch, ch, iosz, ch, iosz, 1239*0Sstevel@tonic-gate ch, header); 1240*0Sstevel@tonic-gate } 1241*0Sstevel@tonic-gate break; 1242*0Sstevel@tonic-gate default: 1243*0Sstevel@tonic-gate break; 1244*0Sstevel@tonic-gate } 1245*0Sstevel@tonic-gate if (do_disk == DISK_ERRORS) { 1246*0Sstevel@tonic-gate char *sep; 1247*0Sstevel@tonic-gate 1248*0Sstevel@tonic-gate if (!do_conversions) { 1249*0Sstevel@tonic-gate if (do_raw == 0) { 1250*0Sstevel@tonic-gate sep = " "; 1251*0Sstevel@tonic-gate } else 1252*0Sstevel@tonic-gate sep = ","; 1253*0Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 1254*0Sstevel@tonic-gate "%s%s%s", "device", sep, header); 1255*0Sstevel@tonic-gate } else { 1256*0Sstevel@tonic-gate if (do_raw == 0) { 1257*0Sstevel@tonic-gate (void) snprintf(disk_header, 1258*0Sstevel@tonic-gate sizeof (disk_header), 1259*0Sstevel@tonic-gate " %s", header); 1260*0Sstevel@tonic-gate } else 1261*0Sstevel@tonic-gate (void) strcpy(disk_header, header); 1262*0Sstevel@tonic-gate } 1263*0Sstevel@tonic-gate } else { 1264*0Sstevel@tonic-gate /* 1265*0Sstevel@tonic-gate * Need to subtract two characters for the % escape in 1266*0Sstevel@tonic-gate * the string. 1267*0Sstevel@tonic-gate */ 1268*0Sstevel@tonic-gate dh_len = strlen(disk_header) - 2; 1269*0Sstevel@tonic-gate } 1270*0Sstevel@tonic-gate 1271*0Sstevel@tonic-gate if (do_timestamp) 1272*0Sstevel@tonic-gate setup(print_timestamp); 1273*0Sstevel@tonic-gate 1274*0Sstevel@tonic-gate /* 1275*0Sstevel@tonic-gate * -n *and* (-E *or* -e *or* -x) 1276*0Sstevel@tonic-gate */ 1277*0Sstevel@tonic-gate if (do_conversions && (do_disk & PRINT_VERTICAL)) { 1278*0Sstevel@tonic-gate if (do_tty) 1279*0Sstevel@tonic-gate setup(print_tty_hdr1); 1280*0Sstevel@tonic-gate if (do_cpu) 1281*0Sstevel@tonic-gate setup(print_cpu_hdr1); 1282*0Sstevel@tonic-gate if (do_tty || do_cpu) 1283*0Sstevel@tonic-gate setup(do_newline); 1284*0Sstevel@tonic-gate if (do_tty) 1285*0Sstevel@tonic-gate setup(print_tty_hdr2); 1286*0Sstevel@tonic-gate if (do_cpu) 1287*0Sstevel@tonic-gate setup(print_cpu_hdr2); 1288*0Sstevel@tonic-gate if (do_tty || do_cpu) 1289*0Sstevel@tonic-gate setup(do_newline); 1290*0Sstevel@tonic-gate if (do_tty) 1291*0Sstevel@tonic-gate setup(print_tty_data); 1292*0Sstevel@tonic-gate if (do_cpu) 1293*0Sstevel@tonic-gate setup(print_cpu_data); 1294*0Sstevel@tonic-gate if (do_tty || do_cpu) 1295*0Sstevel@tonic-gate setup(do_newline); 1296*0Sstevel@tonic-gate printxhdr(); 1297*0Sstevel@tonic-gate 1298*0Sstevel@tonic-gate setup(show_all_disks); 1299*0Sstevel@tonic-gate } else { 1300*0Sstevel@tonic-gate /* 1301*0Sstevel@tonic-gate * These unholy gymnastics are necessary to place CPU/tty 1302*0Sstevel@tonic-gate * data to the right of the disks/errors for the first 1303*0Sstevel@tonic-gate * line in vertical mode. 1304*0Sstevel@tonic-gate */ 1305*0Sstevel@tonic-gate if (do_disk & PRINT_VERTICAL) { 1306*0Sstevel@tonic-gate printxhdr(); 1307*0Sstevel@tonic-gate 1308*0Sstevel@tonic-gate setup(show_first_disk); 1309*0Sstevel@tonic-gate if (do_tty) 1310*0Sstevel@tonic-gate setup(print_tty_data); 1311*0Sstevel@tonic-gate if (do_cpu) 1312*0Sstevel@tonic-gate setup(print_cpu_data); 1313*0Sstevel@tonic-gate setup(do_newline); 1314*0Sstevel@tonic-gate 1315*0Sstevel@tonic-gate setup(show_other_disks); 1316*0Sstevel@tonic-gate } else { 1317*0Sstevel@tonic-gate setup(hdrout); 1318*0Sstevel@tonic-gate if (do_tty) 1319*0Sstevel@tonic-gate setup(print_tty_data); 1320*0Sstevel@tonic-gate setup(show_all_disks); 1321*0Sstevel@tonic-gate if (do_cpu) 1322*0Sstevel@tonic-gate setup(print_cpu_data); 1323*0Sstevel@tonic-gate } 1324*0Sstevel@tonic-gate 1325*0Sstevel@tonic-gate setup(do_newline); 1326*0Sstevel@tonic-gate } 1327*0Sstevel@tonic-gate if (do_disk & DISK_EXTENDED_ERRORS) 1328*0Sstevel@tonic-gate setup(disk_errors); 1329*0Sstevel@tonic-gate } 1330*0Sstevel@tonic-gate 1331*0Sstevel@tonic-gate /* 1332*0Sstevel@tonic-gate * Add a new function to the list of functions 1333*0Sstevel@tonic-gate * for this invocation. Once on the stack the 1334*0Sstevel@tonic-gate * function is never removed nor does its place 1335*0Sstevel@tonic-gate * change. 1336*0Sstevel@tonic-gate */ 1337*0Sstevel@tonic-gate void 1338*0Sstevel@tonic-gate setup(void (*nfunc)(void)) 1339*0Sstevel@tonic-gate { 1340*0Sstevel@tonic-gate format_t *tmp; 1341*0Sstevel@tonic-gate 1342*0Sstevel@tonic-gate tmp = safe_alloc(sizeof (format_t)); 1343*0Sstevel@tonic-gate tmp->nfunc = nfunc; 1344*0Sstevel@tonic-gate tmp->next = 0; 1345*0Sstevel@tonic-gate if (formatter_end) 1346*0Sstevel@tonic-gate formatter_end->next = tmp; 1347*0Sstevel@tonic-gate else 1348*0Sstevel@tonic-gate formatter_list = tmp; 1349*0Sstevel@tonic-gate formatter_end = tmp; 1350*0Sstevel@tonic-gate 1351*0Sstevel@tonic-gate } 1352*0Sstevel@tonic-gate 1353*0Sstevel@tonic-gate /* 1354*0Sstevel@tonic-gate * The functions after this comment are devoted to printing 1355*0Sstevel@tonic-gate * various parts of the header. They are selected based on the 1356*0Sstevel@tonic-gate * options provided when the program was invoked. The functions 1357*0Sstevel@tonic-gate * are either directly invoked in printhdr() or are indirectly 1358*0Sstevel@tonic-gate * invoked by being placed on the list of functions used when 1359*0Sstevel@tonic-gate * extended headers are used. 1360*0Sstevel@tonic-gate */ 1361*0Sstevel@tonic-gate void 1362*0Sstevel@tonic-gate print_tty_hdr1(void) 1363*0Sstevel@tonic-gate { 1364*0Sstevel@tonic-gate char *fstr; 1365*0Sstevel@tonic-gate char *dstr; 1366*0Sstevel@tonic-gate 1367*0Sstevel@tonic-gate if (do_raw == 0) { 1368*0Sstevel@tonic-gate fstr = "%10.10s"; 1369*0Sstevel@tonic-gate dstr = "tty "; 1370*0Sstevel@tonic-gate } else { 1371*0Sstevel@tonic-gate fstr = "%s"; 1372*0Sstevel@tonic-gate dstr = "tty"; 1373*0Sstevel@tonic-gate } 1374*0Sstevel@tonic-gate push_out(fstr, dstr); 1375*0Sstevel@tonic-gate } 1376*0Sstevel@tonic-gate 1377*0Sstevel@tonic-gate void 1378*0Sstevel@tonic-gate print_tty_hdr2(void) 1379*0Sstevel@tonic-gate { 1380*0Sstevel@tonic-gate if (do_raw == 0) 1381*0Sstevel@tonic-gate push_out("%-10.10s", " tin tout"); 1382*0Sstevel@tonic-gate else 1383*0Sstevel@tonic-gate push_out("tin,tout"); 1384*0Sstevel@tonic-gate } 1385*0Sstevel@tonic-gate 1386*0Sstevel@tonic-gate void 1387*0Sstevel@tonic-gate print_cpu_hdr1(void) 1388*0Sstevel@tonic-gate { 1389*0Sstevel@tonic-gate char *dstr; 1390*0Sstevel@tonic-gate 1391*0Sstevel@tonic-gate if (do_raw == 0) 1392*0Sstevel@tonic-gate dstr = " cpu"; 1393*0Sstevel@tonic-gate else 1394*0Sstevel@tonic-gate dstr = "cpu"; 1395*0Sstevel@tonic-gate push_out(dstr); 1396*0Sstevel@tonic-gate } 1397*0Sstevel@tonic-gate 1398*0Sstevel@tonic-gate void 1399*0Sstevel@tonic-gate print_cpu_hdr2(void) 1400*0Sstevel@tonic-gate { 1401*0Sstevel@tonic-gate char *dstr; 1402*0Sstevel@tonic-gate 1403*0Sstevel@tonic-gate if (do_raw == 0) 1404*0Sstevel@tonic-gate dstr = " us sy wt id"; 1405*0Sstevel@tonic-gate else 1406*0Sstevel@tonic-gate dstr = "us,sy,wt,id"; 1407*0Sstevel@tonic-gate push_out(dstr); 1408*0Sstevel@tonic-gate } 1409*0Sstevel@tonic-gate 1410*0Sstevel@tonic-gate /* 1411*0Sstevel@tonic-gate * Assumption is that tty data is always first - no need for raw mode leading 1412*0Sstevel@tonic-gate * comma. 1413*0Sstevel@tonic-gate */ 1414*0Sstevel@tonic-gate void 1415*0Sstevel@tonic-gate print_tty_data(void) 1416*0Sstevel@tonic-gate { 1417*0Sstevel@tonic-gate char *fstr; 1418*0Sstevel@tonic-gate uint64_t deltas; 1419*0Sstevel@tonic-gate double raw; 1420*0Sstevel@tonic-gate double outch; 1421*0Sstevel@tonic-gate kstat_t *oldks = NULL; 1422*0Sstevel@tonic-gate 1423*0Sstevel@tonic-gate if (oldss) 1424*0Sstevel@tonic-gate oldks = &oldss->s_sys.ss_agg_sys; 1425*0Sstevel@tonic-gate 1426*0Sstevel@tonic-gate if (do_raw == 0) 1427*0Sstevel@tonic-gate fstr = " %3.0f %4.0f "; 1428*0Sstevel@tonic-gate else 1429*0Sstevel@tonic-gate fstr = "%.0f,%.0f"; 1430*0Sstevel@tonic-gate deltas = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "rawch"); 1431*0Sstevel@tonic-gate raw = deltas; 1432*0Sstevel@tonic-gate raw /= getime; 1433*0Sstevel@tonic-gate deltas = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "outch"); 1434*0Sstevel@tonic-gate outch = deltas; 1435*0Sstevel@tonic-gate outch /= getime; 1436*0Sstevel@tonic-gate push_out(fstr, raw, outch); 1437*0Sstevel@tonic-gate } 1438*0Sstevel@tonic-gate 1439*0Sstevel@tonic-gate /* 1440*0Sstevel@tonic-gate * Write out CPU data 1441*0Sstevel@tonic-gate */ 1442*0Sstevel@tonic-gate void 1443*0Sstevel@tonic-gate print_cpu_data(void) 1444*0Sstevel@tonic-gate { 1445*0Sstevel@tonic-gate char *fstr; 1446*0Sstevel@tonic-gate uint64_t idle; 1447*0Sstevel@tonic-gate uint64_t user; 1448*0Sstevel@tonic-gate uint64_t kern; 1449*0Sstevel@tonic-gate uint64_t wait; 1450*0Sstevel@tonic-gate kstat_t *oldks = NULL; 1451*0Sstevel@tonic-gate 1452*0Sstevel@tonic-gate if (oldss) 1453*0Sstevel@tonic-gate oldks = &oldss->s_sys.ss_agg_sys; 1454*0Sstevel@tonic-gate 1455*0Sstevel@tonic-gate if (do_raw == 0) 1456*0Sstevel@tonic-gate fstr = " %2.0f %2.0f %2.0f %2.0f"; 1457*0Sstevel@tonic-gate else 1458*0Sstevel@tonic-gate fstr = "%.0f,%.0f,%.0f,%.0f"; 1459*0Sstevel@tonic-gate 1460*0Sstevel@tonic-gate idle = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_idle"); 1461*0Sstevel@tonic-gate user = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_user"); 1462*0Sstevel@tonic-gate kern = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_kernel"); 1463*0Sstevel@tonic-gate wait = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_wait"); 1464*0Sstevel@tonic-gate push_out(fstr, user * percent, kern * percent, 1465*0Sstevel@tonic-gate wait * percent, idle * percent); 1466*0Sstevel@tonic-gate } 1467*0Sstevel@tonic-gate 1468*0Sstevel@tonic-gate /* 1469*0Sstevel@tonic-gate * Emit the appropriate header. 1470*0Sstevel@tonic-gate */ 1471*0Sstevel@tonic-gate void 1472*0Sstevel@tonic-gate hdrout(void) 1473*0Sstevel@tonic-gate { 1474*0Sstevel@tonic-gate if (do_raw == 0) { 1475*0Sstevel@tonic-gate if (--tohdr == 0) 1476*0Sstevel@tonic-gate printhdr(0); 1477*0Sstevel@tonic-gate } else if (hdr_out == 0) { 1478*0Sstevel@tonic-gate printhdr(0); 1479*0Sstevel@tonic-gate hdr_out = 1; 1480*0Sstevel@tonic-gate } 1481*0Sstevel@tonic-gate } 1482*0Sstevel@tonic-gate 1483*0Sstevel@tonic-gate /* 1484*0Sstevel@tonic-gate * Write out disk errors when -E is specified. 1485*0Sstevel@tonic-gate */ 1486*0Sstevel@tonic-gate void 1487*0Sstevel@tonic-gate disk_errors(void) 1488*0Sstevel@tonic-gate { 1489*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk_errors, NULL); 1490*0Sstevel@tonic-gate } 1491*0Sstevel@tonic-gate 1492*0Sstevel@tonic-gate void 1493*0Sstevel@tonic-gate show_first_disk(void) 1494*0Sstevel@tonic-gate { 1495*0Sstevel@tonic-gate int count = 0; 1496*0Sstevel@tonic-gate 1497*0Sstevel@tonic-gate show_disk_mode = SHOW_FIRST_ONLY; 1498*0Sstevel@tonic-gate 1499*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 1500*0Sstevel@tonic-gate } 1501*0Sstevel@tonic-gate 1502*0Sstevel@tonic-gate void 1503*0Sstevel@tonic-gate show_other_disks(void) 1504*0Sstevel@tonic-gate { 1505*0Sstevel@tonic-gate int count = 0; 1506*0Sstevel@tonic-gate 1507*0Sstevel@tonic-gate show_disk_mode = SHOW_SECOND_ONWARDS; 1508*0Sstevel@tonic-gate 1509*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 1510*0Sstevel@tonic-gate } 1511*0Sstevel@tonic-gate 1512*0Sstevel@tonic-gate void 1513*0Sstevel@tonic-gate show_all_disks(void) 1514*0Sstevel@tonic-gate { 1515*0Sstevel@tonic-gate int count = 0; 1516*0Sstevel@tonic-gate 1517*0Sstevel@tonic-gate show_disk_mode = SHOW_ALL; 1518*0Sstevel@tonic-gate 1519*0Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 1520*0Sstevel@tonic-gate } 1521*0Sstevel@tonic-gate 1522*0Sstevel@tonic-gate /* 1523*0Sstevel@tonic-gate * Write a newline out and clear the lineout flag. 1524*0Sstevel@tonic-gate */ 1525*0Sstevel@tonic-gate static void 1526*0Sstevel@tonic-gate do_newline(void) 1527*0Sstevel@tonic-gate { 1528*0Sstevel@tonic-gate if (lineout) { 1529*0Sstevel@tonic-gate (void) putchar('\n'); 1530*0Sstevel@tonic-gate lineout = 0; 1531*0Sstevel@tonic-gate } 1532*0Sstevel@tonic-gate } 1533*0Sstevel@tonic-gate 1534*0Sstevel@tonic-gate /* 1535*0Sstevel@tonic-gate * Generalized printf function that determines what extra 1536*0Sstevel@tonic-gate * to print out if we're in raw mode. At this time we 1537*0Sstevel@tonic-gate * don't care about errors. 1538*0Sstevel@tonic-gate */ 1539*0Sstevel@tonic-gate static void 1540*0Sstevel@tonic-gate push_out(const char *message, ...) 1541*0Sstevel@tonic-gate { 1542*0Sstevel@tonic-gate va_list args; 1543*0Sstevel@tonic-gate 1544*0Sstevel@tonic-gate va_start(args, message); 1545*0Sstevel@tonic-gate if (do_raw && lineout == 1) 1546*0Sstevel@tonic-gate (void) putchar(','); 1547*0Sstevel@tonic-gate (void) vprintf(message, args); 1548*0Sstevel@tonic-gate va_end(args); 1549*0Sstevel@tonic-gate lineout = 1; 1550*0Sstevel@tonic-gate } 1551*0Sstevel@tonic-gate 1552*0Sstevel@tonic-gate /* 1553*0Sstevel@tonic-gate * Emit the header string when -e is specified. 1554*0Sstevel@tonic-gate */ 1555*0Sstevel@tonic-gate static void 1556*0Sstevel@tonic-gate print_err_hdr(void) 1557*0Sstevel@tonic-gate { 1558*0Sstevel@tonic-gate char obuf[SMALL_SCRATCH_BUFLEN]; 1559*0Sstevel@tonic-gate 1560*0Sstevel@tonic-gate if (do_conversions == 0) { 1561*0Sstevel@tonic-gate if (!(do_disk & DISK_EXTENDED)) { 1562*0Sstevel@tonic-gate (void) snprintf(obuf, sizeof (obuf), 1563*0Sstevel@tonic-gate "%11s", one_blank); 1564*0Sstevel@tonic-gate push_out(obuf); 1565*0Sstevel@tonic-gate } 1566*0Sstevel@tonic-gate } else if (do_disk == DISK_ERRORS) 1567*0Sstevel@tonic-gate push_out(two_blanks); 1568*0Sstevel@tonic-gate else 1569*0Sstevel@tonic-gate push_out(one_blank); 1570*0Sstevel@tonic-gate push_out("---- errors --- "); 1571*0Sstevel@tonic-gate } 1572*0Sstevel@tonic-gate 1573*0Sstevel@tonic-gate /* 1574*0Sstevel@tonic-gate * Emit the header string when -e is specified. 1575*0Sstevel@tonic-gate */ 1576*0Sstevel@tonic-gate static void 1577*0Sstevel@tonic-gate print_disk_header(void) 1578*0Sstevel@tonic-gate { 1579*0Sstevel@tonic-gate push_out(disk_header); 1580*0Sstevel@tonic-gate } 1581*0Sstevel@tonic-gate 1582*0Sstevel@tonic-gate /* 1583*0Sstevel@tonic-gate * Write out a timestamp. Format is all that goes out on 1584*0Sstevel@tonic-gate * the line so no use of push_out. 1585*0Sstevel@tonic-gate * 1586*0Sstevel@tonic-gate * Write out as decimal reprentation of time_t value 1587*0Sstevel@tonic-gate * (-T u was specified) or the string returned from 1588*0Sstevel@tonic-gate * ctime() (-T d was specified). 1589*0Sstevel@tonic-gate */ 1590*0Sstevel@tonic-gate static void 1591*0Sstevel@tonic-gate print_timestamp(void) 1592*0Sstevel@tonic-gate { 1593*0Sstevel@tonic-gate time_t t; 1594*0Sstevel@tonic-gate 1595*0Sstevel@tonic-gate if (time(&t) != -1) { 1596*0Sstevel@tonic-gate if (do_timestamp == UDATE) { 1597*0Sstevel@tonic-gate (void) printf("%ld\n", t); 1598*0Sstevel@tonic-gate } else if (do_timestamp == CDATE) { 1599*0Sstevel@tonic-gate char *cpt; 1600*0Sstevel@tonic-gate 1601*0Sstevel@tonic-gate cpt = ctime(&t); 1602*0Sstevel@tonic-gate if (cpt) { 1603*0Sstevel@tonic-gate (void) fputs(cpt, stdout); 1604*0Sstevel@tonic-gate } 1605*0Sstevel@tonic-gate } 1606*0Sstevel@tonic-gate } 1607*0Sstevel@tonic-gate } 1608*0Sstevel@tonic-gate 1609*0Sstevel@tonic-gate /* 1610*0Sstevel@tonic-gate * No, UINTMAX_MAX isn't the right thing here since 1611*0Sstevel@tonic-gate * it is #defined to be either INT32_MAX or INT64_MAX 1612*0Sstevel@tonic-gate * depending on the whether _LP64 is defined. 1613*0Sstevel@tonic-gate * 1614*0Sstevel@tonic-gate * We want to handle the odd future case of having 1615*0Sstevel@tonic-gate * ulonglong_t be more than 64 bits but we have 1616*0Sstevel@tonic-gate * no nice #define MAX value we can drop in place 1617*0Sstevel@tonic-gate * without having to change this code in the future. 1618*0Sstevel@tonic-gate */ 1619*0Sstevel@tonic-gate 1620*0Sstevel@tonic-gate u_longlong_t 1621*0Sstevel@tonic-gate ull_delta(u_longlong_t old, u_longlong_t new) 1622*0Sstevel@tonic-gate { 1623*0Sstevel@tonic-gate if (new >= old) 1624*0Sstevel@tonic-gate return (new - old); 1625*0Sstevel@tonic-gate else 1626*0Sstevel@tonic-gate return ((UINT64_MAX - old) + new + 1); 1627*0Sstevel@tonic-gate } 1628*0Sstevel@tonic-gate 1629*0Sstevel@tonic-gate /* 1630*0Sstevel@tonic-gate * Return the number of ticks delta between two hrtime_t 1631*0Sstevel@tonic-gate * values. Attempt to cater for various kinds of overflow 1632*0Sstevel@tonic-gate * in hrtime_t - no matter how improbable. 1633*0Sstevel@tonic-gate */ 1634*0Sstevel@tonic-gate uint64_t 1635*0Sstevel@tonic-gate hrtime_delta(hrtime_t old, hrtime_t new) 1636*0Sstevel@tonic-gate { 1637*0Sstevel@tonic-gate uint64_t del; 1638*0Sstevel@tonic-gate 1639*0Sstevel@tonic-gate if ((new >= old) && (old >= 0L)) 1640*0Sstevel@tonic-gate return (new - old); 1641*0Sstevel@tonic-gate else { 1642*0Sstevel@tonic-gate /* 1643*0Sstevel@tonic-gate * We've overflowed the positive portion of an 1644*0Sstevel@tonic-gate * hrtime_t. 1645*0Sstevel@tonic-gate */ 1646*0Sstevel@tonic-gate if (new < 0L) { 1647*0Sstevel@tonic-gate /* 1648*0Sstevel@tonic-gate * The new value is negative. Handle the 1649*0Sstevel@tonic-gate * case where the old value is positive or 1650*0Sstevel@tonic-gate * negative. 1651*0Sstevel@tonic-gate */ 1652*0Sstevel@tonic-gate uint64_t n1; 1653*0Sstevel@tonic-gate uint64_t o1; 1654*0Sstevel@tonic-gate 1655*0Sstevel@tonic-gate n1 = -new; 1656*0Sstevel@tonic-gate if (old > 0L) 1657*0Sstevel@tonic-gate return (n1 - old); 1658*0Sstevel@tonic-gate else { 1659*0Sstevel@tonic-gate o1 = -old; 1660*0Sstevel@tonic-gate del = n1 - o1; 1661*0Sstevel@tonic-gate return (del); 1662*0Sstevel@tonic-gate } 1663*0Sstevel@tonic-gate } else { 1664*0Sstevel@tonic-gate /* 1665*0Sstevel@tonic-gate * Either we've just gone from being negative 1666*0Sstevel@tonic-gate * to positive *or* the last entry was positive 1667*0Sstevel@tonic-gate * and the new entry is also positive but *less* 1668*0Sstevel@tonic-gate * than the old entry. This implies we waited 1669*0Sstevel@tonic-gate * quite a few days on a very fast system between 1670*0Sstevel@tonic-gate * iostat displays. 1671*0Sstevel@tonic-gate */ 1672*0Sstevel@tonic-gate if (old < 0L) { 1673*0Sstevel@tonic-gate uint64_t o2; 1674*0Sstevel@tonic-gate 1675*0Sstevel@tonic-gate o2 = -old; 1676*0Sstevel@tonic-gate del = UINT64_MAX - o2; 1677*0Sstevel@tonic-gate } else { 1678*0Sstevel@tonic-gate del = UINT64_MAX - old; 1679*0Sstevel@tonic-gate } 1680*0Sstevel@tonic-gate del += new; 1681*0Sstevel@tonic-gate return (del); 1682*0Sstevel@tonic-gate } 1683*0Sstevel@tonic-gate } 1684*0Sstevel@tonic-gate } 1685*0Sstevel@tonic-gate 1686*0Sstevel@tonic-gate /* 1687*0Sstevel@tonic-gate * Take the difference of an unsigned 32 1688*0Sstevel@tonic-gate * bit int attempting to cater for 1689*0Sstevel@tonic-gate * overflow. 1690*0Sstevel@tonic-gate */ 1691*0Sstevel@tonic-gate uint_t 1692*0Sstevel@tonic-gate u32_delta(uint_t old, uint_t new) 1693*0Sstevel@tonic-gate { 1694*0Sstevel@tonic-gate if (new >= old) 1695*0Sstevel@tonic-gate return (new - old); 1696*0Sstevel@tonic-gate else 1697*0Sstevel@tonic-gate return ((UINT32_MAX - old) + new + 1); 1698*0Sstevel@tonic-gate } 1699*0Sstevel@tonic-gate 1700*0Sstevel@tonic-gate /* 1701*0Sstevel@tonic-gate * Create and arm the timer. Used only when an interval has been specified. 1702*0Sstevel@tonic-gate * Used in lieu of poll to ensure that we provide info for exactly the 1703*0Sstevel@tonic-gate * desired period. 1704*0Sstevel@tonic-gate */ 1705*0Sstevel@tonic-gate void 1706*0Sstevel@tonic-gate set_timer(int interval) 1707*0Sstevel@tonic-gate { 1708*0Sstevel@tonic-gate timer_t t_id; 1709*0Sstevel@tonic-gate itimerspec_t time_struct; 1710*0Sstevel@tonic-gate struct sigevent sig_struct; 1711*0Sstevel@tonic-gate struct sigaction act; 1712*0Sstevel@tonic-gate 1713*0Sstevel@tonic-gate bzero(&sig_struct, sizeof (struct sigevent)); 1714*0Sstevel@tonic-gate bzero(&act, sizeof (struct sigaction)); 1715*0Sstevel@tonic-gate 1716*0Sstevel@tonic-gate /* Create timer */ 1717*0Sstevel@tonic-gate sig_struct.sigev_notify = SIGEV_SIGNAL; 1718*0Sstevel@tonic-gate sig_struct.sigev_signo = SIGUSR1; 1719*0Sstevel@tonic-gate sig_struct.sigev_value.sival_int = 0; 1720*0Sstevel@tonic-gate 1721*0Sstevel@tonic-gate if (timer_create(CLOCK_REALTIME, &sig_struct, &t_id) != 0) { 1722*0Sstevel@tonic-gate fail(1, "Timer creation failed"); 1723*0Sstevel@tonic-gate } 1724*0Sstevel@tonic-gate 1725*0Sstevel@tonic-gate act.sa_handler = handle_sig; 1726*0Sstevel@tonic-gate 1727*0Sstevel@tonic-gate if (sigaction(SIGUSR1, &act, NULL) != 0) { 1728*0Sstevel@tonic-gate fail(1, "Could not set up signal handler"); 1729*0Sstevel@tonic-gate } 1730*0Sstevel@tonic-gate 1731*0Sstevel@tonic-gate time_struct.it_value.tv_sec = interval; 1732*0Sstevel@tonic-gate time_struct.it_value.tv_nsec = 0; 1733*0Sstevel@tonic-gate time_struct.it_interval.tv_sec = interval; 1734*0Sstevel@tonic-gate time_struct.it_interval.tv_nsec = 0; 1735*0Sstevel@tonic-gate 1736*0Sstevel@tonic-gate /* Arm timer */ 1737*0Sstevel@tonic-gate if ((timer_settime(t_id, 0, &time_struct, NULL)) != 0) { 1738*0Sstevel@tonic-gate fail(1, "Setting timer failed"); 1739*0Sstevel@tonic-gate } 1740*0Sstevel@tonic-gate } 1741*0Sstevel@tonic-gate /* ARGSUSED */ 1742*0Sstevel@tonic-gate void 1743*0Sstevel@tonic-gate handle_sig(int x) 1744*0Sstevel@tonic-gate { 1745*0Sstevel@tonic-gate } 1746*0Sstevel@tonic-gate 1747*0Sstevel@tonic-gate /* 1748*0Sstevel@tonic-gate * This is exactly what is needed for standard iostat output, 1749*0Sstevel@tonic-gate * but make sure to use it only for that 1750*0Sstevel@tonic-gate */ 1751*0Sstevel@tonic-gate #define EPSILON (0.1) 1752*0Sstevel@tonic-gate static int 1753*0Sstevel@tonic-gate fzero(double value) 1754*0Sstevel@tonic-gate { 1755*0Sstevel@tonic-gate return (value >= 0.0 && value < EPSILON); 1756*0Sstevel@tonic-gate } 1757*0Sstevel@tonic-gate 1758*0Sstevel@tonic-gate static int 1759*0Sstevel@tonic-gate safe_strtoi(char const *val, char *errmsg) 1760*0Sstevel@tonic-gate { 1761*0Sstevel@tonic-gate char *end; 1762*0Sstevel@tonic-gate long tmp; 1763*0Sstevel@tonic-gate 1764*0Sstevel@tonic-gate errno = 0; 1765*0Sstevel@tonic-gate tmp = strtol(val, &end, 10); 1766*0Sstevel@tonic-gate if (*end != '\0' || errno) 1767*0Sstevel@tonic-gate fail(0, "%s %s", errmsg, val); 1768*0Sstevel@tonic-gate return ((int)tmp); 1769*0Sstevel@tonic-gate } 1770