17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate * 267c478bd9Sstevel@tonic-gate * rewritten from UCB 4.13 83/09/25 277c478bd9Sstevel@tonic-gate * rewritten from SunOS 4.1 SID 1.18 89/10/06 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <stdio.h> 337c478bd9Sstevel@tonic-gate #include <stdlib.h> 347c478bd9Sstevel@tonic-gate #include <stdarg.h> 357c478bd9Sstevel@tonic-gate #include <ctype.h> 367c478bd9Sstevel@tonic-gate #include <unistd.h> 377c478bd9Sstevel@tonic-gate #include <memory.h> 387c478bd9Sstevel@tonic-gate #include <errno.h> 397c478bd9Sstevel@tonic-gate #include <string.h> 407c478bd9Sstevel@tonic-gate #include <signal.h> 417c478bd9Sstevel@tonic-gate #include <sys/types.h> 427c478bd9Sstevel@tonic-gate #include <time.h> 437c478bd9Sstevel@tonic-gate #include <sys/time.h> 447c478bd9Sstevel@tonic-gate #include <sys/sysinfo.h> 457c478bd9Sstevel@tonic-gate #include <inttypes.h> 467c478bd9Sstevel@tonic-gate #include <strings.h> 477c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h> 487c478bd9Sstevel@tonic-gate #include <kstat.h> 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate #include "dsr.h" 517c478bd9Sstevel@tonic-gate #include "statcommon.h" 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #define DISK_OLD 0x0001 547c478bd9Sstevel@tonic-gate #define DISK_NEW 0x0002 557c478bd9Sstevel@tonic-gate #define DISK_EXTENDED 0x0004 567c478bd9Sstevel@tonic-gate #define DISK_ERRORS 0x0008 577c478bd9Sstevel@tonic-gate #define DISK_EXTENDED_ERRORS 0x0010 587c478bd9Sstevel@tonic-gate #define DISK_IOPATH 0x0020 597c478bd9Sstevel@tonic-gate #define DISK_NORMAL (DISK_OLD | DISK_NEW) 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate #define DISK_IO_MASK (DISK_OLD | DISK_NEW | DISK_EXTENDED) 627c478bd9Sstevel@tonic-gate #define DISK_ERROR_MASK (DISK_ERRORS | DISK_EXTENDED_ERRORS) 637c478bd9Sstevel@tonic-gate #define PRINT_VERTICAL (DISK_ERROR_MASK | DISK_EXTENDED | DISK_IOPATH) 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #define REPRINT 19 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate /* 687c478bd9Sstevel@tonic-gate * It's really a pseudo-gigabyte. We use 1000000000 bytes so that the disk 697c478bd9Sstevel@tonic-gate * labels don't look bad. 1GB is really 1073741824 bytes. 707c478bd9Sstevel@tonic-gate */ 717c478bd9Sstevel@tonic-gate #define DISK_GIGABYTE 1000000000.0 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate /* 747c478bd9Sstevel@tonic-gate * Function desciptor to be called when extended 757c478bd9Sstevel@tonic-gate * headers are used. 767c478bd9Sstevel@tonic-gate */ 777c478bd9Sstevel@tonic-gate typedef struct formatter { 787c478bd9Sstevel@tonic-gate void (*nfunc)(void); 797c478bd9Sstevel@tonic-gate struct formatter *next; 807c478bd9Sstevel@tonic-gate } format_t; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* 837c478bd9Sstevel@tonic-gate * Used to get formatting right when printing tty/cpu 847c478bd9Sstevel@tonic-gate * data to the right of disk data 857c478bd9Sstevel@tonic-gate */ 867c478bd9Sstevel@tonic-gate enum show_disk_mode { 877c478bd9Sstevel@tonic-gate SHOW_FIRST_ONLY, 887c478bd9Sstevel@tonic-gate SHOW_SECOND_ONWARDS, 897c478bd9Sstevel@tonic-gate SHOW_ALL 907c478bd9Sstevel@tonic-gate }; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate enum show_disk_mode show_disk_mode = SHOW_ALL; 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate char cmdname[] = "iostat"; 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate static char one_blank[] = " "; 977c478bd9Sstevel@tonic-gate static char two_blanks[] = " "; 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate /* 1007c478bd9Sstevel@tonic-gate * count for number of lines to be emitted before a header is 1017c478bd9Sstevel@tonic-gate * shown again. Only used for the basic format. 1027c478bd9Sstevel@tonic-gate */ 1037c478bd9Sstevel@tonic-gate static uint_t tohdr = 1; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* 1067c478bd9Sstevel@tonic-gate * If we're in raw format, have we printed a header? We only do it 1077c478bd9Sstevel@tonic-gate * once for raw but we emit it every REPRINT lines in non-raw format. 1087c478bd9Sstevel@tonic-gate * This applies only for the basic header. The extended header is 1097c478bd9Sstevel@tonic-gate * done only once in both formats. 1107c478bd9Sstevel@tonic-gate */ 1117c478bd9Sstevel@tonic-gate static uint_t hdr_out; 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate /* 1147c478bd9Sstevel@tonic-gate * Flags representing arguments from command line 1157c478bd9Sstevel@tonic-gate */ 1167c478bd9Sstevel@tonic-gate static uint_t do_tty; /* show tty info (-t) */ 1177c478bd9Sstevel@tonic-gate static uint_t do_disk; /* show disk info per selected */ 1187c478bd9Sstevel@tonic-gate /* format (-d, -D, -e, -E, -x -X) */ 1197c478bd9Sstevel@tonic-gate static uint_t do_cpu; /* show cpu info (-c) */ 1207c478bd9Sstevel@tonic-gate static uint_t do_interval; /* do intervals (-I) */ 1217c478bd9Sstevel@tonic-gate static int do_partitions; /* per-partition stats (-p) */ 1227c478bd9Sstevel@tonic-gate static int do_partitions_only; /* per-partition stats only (-P) */ 1237c478bd9Sstevel@tonic-gate /* no per-device stats for disks */ 1247c478bd9Sstevel@tonic-gate static uint_t do_conversions; /* display disks as cXtYdZ (-n) */ 1257c478bd9Sstevel@tonic-gate static uint_t do_megabytes; /* display data in MB/sec (-M) */ 1267c478bd9Sstevel@tonic-gate static uint_t do_controller; /* display controller info (-C) */ 1277c478bd9Sstevel@tonic-gate static uint_t do_raw; /* emit raw format (-r) */ 1287c478bd9Sstevel@tonic-gate static uint_t do_timestamp; /* timestamp each display (-T) */ 1297c478bd9Sstevel@tonic-gate static uint_t do_devid; /* -E should show devid */ 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate /* 1327c478bd9Sstevel@tonic-gate * Definition of allowable types of timestamps 1337c478bd9Sstevel@tonic-gate */ 1347c478bd9Sstevel@tonic-gate #define CDATE 1 1357c478bd9Sstevel@tonic-gate #define UDATE 2 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate /* 1387c478bd9Sstevel@tonic-gate * Default number of disk drives to be displayed in basic format 1397c478bd9Sstevel@tonic-gate */ 1407c478bd9Sstevel@tonic-gate #define DEFAULT_LIMIT 4 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate struct iodev_filter df; 1437c478bd9Sstevel@tonic-gate 1447c478bd9Sstevel@tonic-gate static uint_t suppress_state; /* skip state change messages */ 1457c478bd9Sstevel@tonic-gate static uint_t suppress_zero; /* skip zero valued lines */ 1467c478bd9Sstevel@tonic-gate static uint_t show_mountpts; /* show mount points */ 1477c478bd9Sstevel@tonic-gate static int interval; /* interval (seconds) to output */ 1487c478bd9Sstevel@tonic-gate static int iter; /* iterations from command line */ 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate #define SMALL_SCRATCH_BUFLEN 64 1517c478bd9Sstevel@tonic-gate #define DISPLAYED_NAME_FORMAT "%-9.9s" 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate static char disk_header[132]; 1547c478bd9Sstevel@tonic-gate static uint_t dh_len; /* disk header length for centering */ 1557c478bd9Sstevel@tonic-gate static int lineout; /* data waiting to be printed? */ 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate static struct snapshot *newss; 1587c478bd9Sstevel@tonic-gate static struct snapshot *oldss; 1597c478bd9Sstevel@tonic-gate static double getime; /* elapsed time */ 1607c478bd9Sstevel@tonic-gate static double percent; /* 100 / etime */ 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate /* 1637c478bd9Sstevel@tonic-gate * List of functions to be called which will construct the desired output 1647c478bd9Sstevel@tonic-gate */ 1657c478bd9Sstevel@tonic-gate static format_t *formatter_list; 1667c478bd9Sstevel@tonic-gate static format_t *formatter_end; 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate static uint64_t hrtime_delta(hrtime_t, hrtime_t); 1697c478bd9Sstevel@tonic-gate static u_longlong_t ull_delta(u_longlong_t, u_longlong_t); 1707c478bd9Sstevel@tonic-gate static uint_t u32_delta(uint_t, uint_t); 1717c478bd9Sstevel@tonic-gate static void setup(void (*nfunc)(void)); 1727c478bd9Sstevel@tonic-gate static void print_timestamp(void); 1737c478bd9Sstevel@tonic-gate static void print_tty_hdr1(void); 1747c478bd9Sstevel@tonic-gate static void print_tty_hdr2(void); 1757c478bd9Sstevel@tonic-gate static void print_cpu_hdr1(void); 1767c478bd9Sstevel@tonic-gate static void print_cpu_hdr2(void); 1777c478bd9Sstevel@tonic-gate static void print_tty_data(void); 1787c478bd9Sstevel@tonic-gate static void print_cpu_data(void); 1797c478bd9Sstevel@tonic-gate static void print_err_hdr(void); 1807c478bd9Sstevel@tonic-gate static void print_disk_header(void); 1817c478bd9Sstevel@tonic-gate static void hdrout(void); 1827c478bd9Sstevel@tonic-gate static void disk_errors(void); 1837c478bd9Sstevel@tonic-gate static void do_newline(void); 1847c478bd9Sstevel@tonic-gate static void push_out(const char *, ...); 1857c478bd9Sstevel@tonic-gate static void printhdr(int); 1867c478bd9Sstevel@tonic-gate static void printxhdr(void); 1877c478bd9Sstevel@tonic-gate static void usage(void); 1887c478bd9Sstevel@tonic-gate static void do_args(int, char **); 1897c478bd9Sstevel@tonic-gate static void do_format(void); 1907c478bd9Sstevel@tonic-gate static void set_timer(int); 1917c478bd9Sstevel@tonic-gate static void handle_sig(int); 1927c478bd9Sstevel@tonic-gate static void show_all_disks(void); 1937c478bd9Sstevel@tonic-gate static void show_first_disk(void); 1947c478bd9Sstevel@tonic-gate static void show_other_disks(void); 1957c478bd9Sstevel@tonic-gate static void show_disk_errors(void *, void *, void *); 1967c478bd9Sstevel@tonic-gate static void write_core_header(void); 1977c478bd9Sstevel@tonic-gate static int fzero(double value); 1987c478bd9Sstevel@tonic-gate static int safe_strtoi(char const *val, char *errmsg); 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate int 2017c478bd9Sstevel@tonic-gate main(int argc, char **argv) 2027c478bd9Sstevel@tonic-gate { 2037c478bd9Sstevel@tonic-gate enum snapshot_types types = SNAP_SYSTEM; 2047c478bd9Sstevel@tonic-gate kstat_ctl_t *kc; 2057c478bd9Sstevel@tonic-gate long hz; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate do_args(argc, argv); 2087c478bd9Sstevel@tonic-gate do_format(); 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate /* 2117c478bd9Sstevel@tonic-gate * iostat historically showed CPU changes, even though 2127c478bd9Sstevel@tonic-gate * it doesn't provide much useful information 2137c478bd9Sstevel@tonic-gate */ 2147c478bd9Sstevel@tonic-gate types |= SNAP_CPUS; 2157c478bd9Sstevel@tonic-gate 2167c478bd9Sstevel@tonic-gate if (do_disk) 2177c478bd9Sstevel@tonic-gate types |= SNAP_IODEVS; 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate if (do_disk && !do_partitions_only) 2207c478bd9Sstevel@tonic-gate df.if_allowed_types |= IODEV_DISK; 2217c478bd9Sstevel@tonic-gate if (do_disk & DISK_IOPATH) { 2227c478bd9Sstevel@tonic-gate df.if_allowed_types |= IODEV_IOPATH; 2237c478bd9Sstevel@tonic-gate types |= SNAP_IOPATHS; 2247c478bd9Sstevel@tonic-gate } 2257c478bd9Sstevel@tonic-gate if (do_disk & DISK_ERROR_MASK) 2267c478bd9Sstevel@tonic-gate types |= SNAP_IODEV_ERRORS; 2277c478bd9Sstevel@tonic-gate if (do_partitions || do_partitions_only) 2287c478bd9Sstevel@tonic-gate df.if_allowed_types |= IODEV_PARTITION; 2297c478bd9Sstevel@tonic-gate if (do_conversions) 2307c478bd9Sstevel@tonic-gate types |= SNAP_IODEV_PRETTY; 2317c478bd9Sstevel@tonic-gate if (do_controller) { 2327c478bd9Sstevel@tonic-gate if (!(do_disk & PRINT_VERTICAL) || 2337c478bd9Sstevel@tonic-gate (do_disk & DISK_EXTENDED_ERRORS)) 2347c478bd9Sstevel@tonic-gate fail(0, "-C can only be used with -e or -x."); 2357c478bd9Sstevel@tonic-gate types |= SNAP_CONTROLLERS; 2367c478bd9Sstevel@tonic-gate df.if_allowed_types |= IODEV_CONTROLLER; 2377c478bd9Sstevel@tonic-gate } 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate hz = sysconf(_SC_CLK_TCK); 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate /* 2427c478bd9Sstevel@tonic-gate * Undocumented behavior - sending a SIGCONT will result 2437c478bd9Sstevel@tonic-gate * in a new header being emitted. Used only if we're not 2447c478bd9Sstevel@tonic-gate * doing extended headers. This is a historical 2457c478bd9Sstevel@tonic-gate * artifact. 2467c478bd9Sstevel@tonic-gate */ 2477c478bd9Sstevel@tonic-gate if (!(do_disk & PRINT_VERTICAL)) 2487c478bd9Sstevel@tonic-gate (void) signal(SIGCONT, printhdr); 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate if (interval) 2517c478bd9Sstevel@tonic-gate set_timer(interval); 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate kc = open_kstat(); 2547c478bd9Sstevel@tonic-gate newss = acquire_snapshot(kc, types, &df); 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate do { 2577c478bd9Sstevel@tonic-gate if (do_tty || do_cpu) { 2587c478bd9Sstevel@tonic-gate kstat_t *oldks; 2597c478bd9Sstevel@tonic-gate oldks = oldss ? &oldss->s_sys.ss_agg_sys : NULL; 2607c478bd9Sstevel@tonic-gate getime = cpu_ticks_delta(oldks, 2617c478bd9Sstevel@tonic-gate &newss->s_sys.ss_agg_sys); 2627c478bd9Sstevel@tonic-gate percent = (getime > 0.0) ? 100.0 / getime : 0.0; 2637c478bd9Sstevel@tonic-gate getime = (getime / nr_active_cpus(newss)) / hz; 2647c478bd9Sstevel@tonic-gate if (getime == 0.0) 2657c478bd9Sstevel@tonic-gate getime = (double)interval; 2667c478bd9Sstevel@tonic-gate if (getime == 0.0 || do_interval) 2677c478bd9Sstevel@tonic-gate getime = 1.0; 2687c478bd9Sstevel@tonic-gate } 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate if (formatter_list) { 2717c478bd9Sstevel@tonic-gate format_t *tmp; 2727c478bd9Sstevel@tonic-gate tmp = formatter_list; 2737c478bd9Sstevel@tonic-gate while (tmp) { 2747c478bd9Sstevel@tonic-gate (tmp->nfunc)(); 2757c478bd9Sstevel@tonic-gate tmp = tmp->next; 2767c478bd9Sstevel@tonic-gate } 2777c478bd9Sstevel@tonic-gate (void) fflush(stdout); 2787c478bd9Sstevel@tonic-gate } 2797c478bd9Sstevel@tonic-gate 2807c478bd9Sstevel@tonic-gate if (interval > 0 && iter != 1) 2817c478bd9Sstevel@tonic-gate (void) pause(); 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate free_snapshot(oldss); 2847c478bd9Sstevel@tonic-gate oldss = newss; 2857c478bd9Sstevel@tonic-gate newss = acquire_snapshot(kc, types, &df); 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate if (!suppress_state) 2887c478bd9Sstevel@tonic-gate snapshot_report_changes(oldss, newss); 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate /* if config changed, show stats from boot */ 2917c478bd9Sstevel@tonic-gate if (snapshot_has_changed(oldss, newss)) { 2927c478bd9Sstevel@tonic-gate free_snapshot(oldss); 2937c478bd9Sstevel@tonic-gate oldss = NULL; 2947c478bd9Sstevel@tonic-gate } 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate } while (--iter); 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate free_snapshot(oldss); 2997c478bd9Sstevel@tonic-gate free_snapshot(newss); 3007c478bd9Sstevel@tonic-gate return (0); 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate /* 3047c478bd9Sstevel@tonic-gate * Some magic numbers used in header formatting. 3057c478bd9Sstevel@tonic-gate * 3067c478bd9Sstevel@tonic-gate * DISK_LEN = length of either "kps tps serv" or "wps rps util" 3077c478bd9Sstevel@tonic-gate * using 0 as the first position 3087c478bd9Sstevel@tonic-gate * 3097c478bd9Sstevel@tonic-gate * DISK_ERROR_LEN = length of "s/w h/w trn tot" with one space on 3107c478bd9Sstevel@tonic-gate * either side. Does not use zero as first pos. 3117c478bd9Sstevel@tonic-gate * 3127c478bd9Sstevel@tonic-gate * DEVICE_LEN = length of "device" + 1 character. 3137c478bd9Sstevel@tonic-gate */ 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate #define DISK_LEN 11 3167c478bd9Sstevel@tonic-gate #define DISK_ERROR_LEN 16 3177c478bd9Sstevel@tonic-gate #define DEVICE_LEN 7 3187c478bd9Sstevel@tonic-gate 3197c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 3207c478bd9Sstevel@tonic-gate static void 3217c478bd9Sstevel@tonic-gate show_disk_name(void *v1, void *v2, void *data) 3227c478bd9Sstevel@tonic-gate { 3237c478bd9Sstevel@tonic-gate struct iodev_snapshot *dev = (struct iodev_snapshot *)v2; 3247c478bd9Sstevel@tonic-gate size_t slen; 3257c478bd9Sstevel@tonic-gate char *name; 3267c478bd9Sstevel@tonic-gate char fbuf[SMALL_SCRATCH_BUFLEN]; 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate if (dev == NULL) 3297c478bd9Sstevel@tonic-gate return; 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate name = dev->is_pretty ? dev->is_pretty : dev->is_name; 3327c478bd9Sstevel@tonic-gate if (!do_raw) { 3337c478bd9Sstevel@tonic-gate uint_t width; 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate slen = strlen(name); 3367c478bd9Sstevel@tonic-gate /* 3377c478bd9Sstevel@tonic-gate * The length is less 3387c478bd9Sstevel@tonic-gate * than the section 3397c478bd9Sstevel@tonic-gate * which will be displayed 3407c478bd9Sstevel@tonic-gate * on the next line. 3417c478bd9Sstevel@tonic-gate * Center the entry. 3427c478bd9Sstevel@tonic-gate */ 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate width = (DISK_LEN + 1)/2 + (slen / 2); 3457c478bd9Sstevel@tonic-gate (void) snprintf(fbuf, sizeof (fbuf), 3467c478bd9Sstevel@tonic-gate "%*s", width, name); 3477c478bd9Sstevel@tonic-gate name = fbuf; 3487c478bd9Sstevel@tonic-gate push_out("%-14.14s", name); 3497c478bd9Sstevel@tonic-gate } else { 3507c478bd9Sstevel@tonic-gate push_out(name); 3517c478bd9Sstevel@tonic-gate } 3527c478bd9Sstevel@tonic-gate } 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 3557c478bd9Sstevel@tonic-gate static void 3567c478bd9Sstevel@tonic-gate show_disk_header(void *v1, void *v2, void *data) 3577c478bd9Sstevel@tonic-gate { 3587c478bd9Sstevel@tonic-gate push_out(disk_header); 3597c478bd9Sstevel@tonic-gate } 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate /* 3627c478bd9Sstevel@tonic-gate * Write out a two line header. What is written out depends on the flags 3637c478bd9Sstevel@tonic-gate * selected but in the worst case consists of a tty header, a disk header 3647c478bd9Sstevel@tonic-gate * providing information for 4 disks and a cpu header. 3657c478bd9Sstevel@tonic-gate * 3667c478bd9Sstevel@tonic-gate * The tty header consists of the word "tty" on the first line above the 3677c478bd9Sstevel@tonic-gate * words "tin tout" on the next line. If present the tty portion consumes 3687c478bd9Sstevel@tonic-gate * the first 10 characters of each line since "tin tout" is surrounded 3697c478bd9Sstevel@tonic-gate * by single spaces. 3707c478bd9Sstevel@tonic-gate * 3717c478bd9Sstevel@tonic-gate * Each of the disk sections is a 14 character "block" in which the name of 3727c478bd9Sstevel@tonic-gate * the disk is centered in the first 12 characters of the first line. 3737c478bd9Sstevel@tonic-gate * 3747c478bd9Sstevel@tonic-gate * The cpu section is an 11 character block with "cpu" centered over the 3757c478bd9Sstevel@tonic-gate * section. 3767c478bd9Sstevel@tonic-gate * 3777c478bd9Sstevel@tonic-gate * The worst case should look as follows: 3787c478bd9Sstevel@tonic-gate * 3797c478bd9Sstevel@tonic-gate * 0---------1--------2---------3---------4---------5---------6---------7------- 3807c478bd9Sstevel@tonic-gate * tty sd0 sd1 sd2 sd3 cpu 3817c478bd9Sstevel@tonic-gate * tin tout kps tps serv kps tps serv kps tps serv kps tps serv us sy wt id 3827c478bd9Sstevel@tonic-gate * NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NN NN NN NN 3837c478bd9Sstevel@tonic-gate * 3847c478bd9Sstevel@tonic-gate * When -D is specified, the disk header looks as follows (worst case): 3857c478bd9Sstevel@tonic-gate * 3867c478bd9Sstevel@tonic-gate * 0---------1--------2---------3---------4---------5---------6---------7------- 3877c478bd9Sstevel@tonic-gate * tty sd0 sd1 sd2 sd3 cpu 3887c478bd9Sstevel@tonic-gate * tin tout rps wps util rps wps util rps wps util rps wps util us sy wt id 3897c478bd9Sstevel@tonic-gate * NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NNN NNN NNNN NN NN NN NN 3907c478bd9Sstevel@tonic-gate */ 3917c478bd9Sstevel@tonic-gate static void 3927c478bd9Sstevel@tonic-gate printhdr(int sig) 3937c478bd9Sstevel@tonic-gate { 3947c478bd9Sstevel@tonic-gate /* 3957c478bd9Sstevel@tonic-gate * If we're here because a signal fired, reenable the 3967c478bd9Sstevel@tonic-gate * signal. 3977c478bd9Sstevel@tonic-gate */ 3987c478bd9Sstevel@tonic-gate if (sig) 3997c478bd9Sstevel@tonic-gate (void) signal(SIGCONT, printhdr); 4007c478bd9Sstevel@tonic-gate /* 4017c478bd9Sstevel@tonic-gate * Horizontal mode headers 4027c478bd9Sstevel@tonic-gate * 4037c478bd9Sstevel@tonic-gate * First line 4047c478bd9Sstevel@tonic-gate */ 4057c478bd9Sstevel@tonic-gate if (do_tty) 4067c478bd9Sstevel@tonic-gate print_tty_hdr1(); 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate if (do_disk & DISK_NORMAL) { 4097c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, NULL, newss, 4107c478bd9Sstevel@tonic-gate show_disk_name, NULL); 4117c478bd9Sstevel@tonic-gate } 4127c478bd9Sstevel@tonic-gate 4137c478bd9Sstevel@tonic-gate if (do_cpu) 4147c478bd9Sstevel@tonic-gate print_cpu_hdr1(); 4157c478bd9Sstevel@tonic-gate do_newline(); 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate /* 4187c478bd9Sstevel@tonic-gate * Second line 4197c478bd9Sstevel@tonic-gate */ 4207c478bd9Sstevel@tonic-gate if (do_tty) 4217c478bd9Sstevel@tonic-gate print_tty_hdr2(); 4227c478bd9Sstevel@tonic-gate 4237c478bd9Sstevel@tonic-gate if (do_disk & DISK_NORMAL) { 4247c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, NULL, newss, 4257c478bd9Sstevel@tonic-gate show_disk_header, NULL); 4267c478bd9Sstevel@tonic-gate } 4277c478bd9Sstevel@tonic-gate 4287c478bd9Sstevel@tonic-gate if (do_cpu) 4297c478bd9Sstevel@tonic-gate print_cpu_hdr2(); 4307c478bd9Sstevel@tonic-gate do_newline(); 4317c478bd9Sstevel@tonic-gate 4327c478bd9Sstevel@tonic-gate tohdr = REPRINT; 4337c478bd9Sstevel@tonic-gate } 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate /* 4367c478bd9Sstevel@tonic-gate * Write out the extended header centered over the core information. 4377c478bd9Sstevel@tonic-gate */ 4387c478bd9Sstevel@tonic-gate static void 4397c478bd9Sstevel@tonic-gate write_core_header(void) 4407c478bd9Sstevel@tonic-gate { 4417c478bd9Sstevel@tonic-gate char *edev = "extended device statistics"; 4427c478bd9Sstevel@tonic-gate uint_t lead_space_ct; 4437c478bd9Sstevel@tonic-gate uint_t follow_space_ct; 4447c478bd9Sstevel@tonic-gate size_t edevlen; 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate if (do_raw == 0) { 4477c478bd9Sstevel@tonic-gate /* 4487c478bd9Sstevel@tonic-gate * The things we do to look nice... 4497c478bd9Sstevel@tonic-gate * 4507c478bd9Sstevel@tonic-gate * Center the core output header. Make sure we have the 4517c478bd9Sstevel@tonic-gate * right number of trailing spaces for follow-on headers 4527c478bd9Sstevel@tonic-gate * (i.e., cpu and/or tty and/or errors). 4537c478bd9Sstevel@tonic-gate */ 4547c478bd9Sstevel@tonic-gate edevlen = strlen(edev); 4557c478bd9Sstevel@tonic-gate lead_space_ct = dh_len - edevlen; 4567c478bd9Sstevel@tonic-gate lead_space_ct /= 2; 4577c478bd9Sstevel@tonic-gate if (lead_space_ct > 0) { 4587c478bd9Sstevel@tonic-gate follow_space_ct = dh_len - (lead_space_ct + edevlen); 4597c478bd9Sstevel@tonic-gate if (do_disk & DISK_ERRORS) 4607c478bd9Sstevel@tonic-gate follow_space_ct -= DISK_ERROR_LEN; 4617c478bd9Sstevel@tonic-gate if ((do_disk & DISK_EXTENDED) && do_conversions) 4627c478bd9Sstevel@tonic-gate follow_space_ct -= DEVICE_LEN; 4637c478bd9Sstevel@tonic-gate 4647c478bd9Sstevel@tonic-gate push_out("%1$*2$.*2$s%3$s%4$*5$.*5$s", one_blank, 4657c478bd9Sstevel@tonic-gate lead_space_ct, edev, one_blank, follow_space_ct); 4667c478bd9Sstevel@tonic-gate } else 4677c478bd9Sstevel@tonic-gate push_out("%56s", edev); 4687c478bd9Sstevel@tonic-gate } else 4697c478bd9Sstevel@tonic-gate push_out(edev); 4707c478bd9Sstevel@tonic-gate } 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate /* 4737c478bd9Sstevel@tonic-gate * In extended mode headers, we don't want to reprint the header on 4747c478bd9Sstevel@tonic-gate * signals as they are printed every time anyways. 4757c478bd9Sstevel@tonic-gate */ 4767c478bd9Sstevel@tonic-gate static void 4777c478bd9Sstevel@tonic-gate printxhdr(void) 4787c478bd9Sstevel@tonic-gate { 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * Vertical mode headers 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate if (do_disk & DISK_EXTENDED) 4847c478bd9Sstevel@tonic-gate setup(write_core_header); 4857c478bd9Sstevel@tonic-gate if (do_disk & DISK_ERRORS) 4867c478bd9Sstevel@tonic-gate setup(print_err_hdr); 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate if (do_conversions) { 4897c478bd9Sstevel@tonic-gate setup(do_newline); 4907c478bd9Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) 4917c478bd9Sstevel@tonic-gate setup(print_disk_header); 4927c478bd9Sstevel@tonic-gate setup(do_newline); 4937c478bd9Sstevel@tonic-gate } else { 4947c478bd9Sstevel@tonic-gate if (do_tty) 4957c478bd9Sstevel@tonic-gate setup(print_tty_hdr1); 4967c478bd9Sstevel@tonic-gate if (do_cpu) 4977c478bd9Sstevel@tonic-gate setup(print_cpu_hdr1); 4987c478bd9Sstevel@tonic-gate setup(do_newline); 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) 5017c478bd9Sstevel@tonic-gate setup(print_disk_header); 5027c478bd9Sstevel@tonic-gate if (do_tty) 5037c478bd9Sstevel@tonic-gate setup(print_tty_hdr2); 5047c478bd9Sstevel@tonic-gate if (do_cpu) 5057c478bd9Sstevel@tonic-gate setup(print_cpu_hdr2); 5067c478bd9Sstevel@tonic-gate setup(do_newline); 5077c478bd9Sstevel@tonic-gate } 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 5117c478bd9Sstevel@tonic-gate * Write out a line for this disk - note that show_disk writes out 5127c478bd9Sstevel@tonic-gate * full lines or blocks for each selected disk. 5137c478bd9Sstevel@tonic-gate */ 5147c478bd9Sstevel@tonic-gate static void 5157c478bd9Sstevel@tonic-gate show_disk(void *v1, void *v2, void *data) 5167c478bd9Sstevel@tonic-gate { 5177c478bd9Sstevel@tonic-gate struct iodev_snapshot *old = (struct iodev_snapshot *)v1; 5187c478bd9Sstevel@tonic-gate struct iodev_snapshot *new = (struct iodev_snapshot *)v2; 5197c478bd9Sstevel@tonic-gate int *count = (int *)data; 5207c478bd9Sstevel@tonic-gate double rps, wps, tps, mtps, krps, kwps, kps, avw, avr, w_pct, r_pct; 5217c478bd9Sstevel@tonic-gate double wserv, rserv, serv; 5227c478bd9Sstevel@tonic-gate double iosize; /* kb/sec or MB/sec */ 5237c478bd9Sstevel@tonic-gate double etime, hr_etime; 5247c478bd9Sstevel@tonic-gate char *disk_name; 5257c478bd9Sstevel@tonic-gate u_longlong_t ldeltas; 5267c478bd9Sstevel@tonic-gate uint_t udeltas; 5277c478bd9Sstevel@tonic-gate uint64_t t_delta; 5287c478bd9Sstevel@tonic-gate uint64_t w_delta; 5297c478bd9Sstevel@tonic-gate uint64_t r_delta; 5307c478bd9Sstevel@tonic-gate int doit = 1; 5317c478bd9Sstevel@tonic-gate int i; 5327c478bd9Sstevel@tonic-gate uint_t toterrs; 5337c478bd9Sstevel@tonic-gate char *fstr; 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate if (new == NULL) 5367c478bd9Sstevel@tonic-gate return; 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate switch (show_disk_mode) { 5397c478bd9Sstevel@tonic-gate case SHOW_FIRST_ONLY: 5407c478bd9Sstevel@tonic-gate if (count != NULL && *count) 5417c478bd9Sstevel@tonic-gate return; 5427c478bd9Sstevel@tonic-gate break; 5437c478bd9Sstevel@tonic-gate 5447c478bd9Sstevel@tonic-gate case SHOW_SECOND_ONWARDS: 5457c478bd9Sstevel@tonic-gate if (count != NULL && !*count) { 5467c478bd9Sstevel@tonic-gate (*count)++; 5477c478bd9Sstevel@tonic-gate return; 5487c478bd9Sstevel@tonic-gate } 5497c478bd9Sstevel@tonic-gate break; 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate default: 5527c478bd9Sstevel@tonic-gate break; 5537c478bd9Sstevel@tonic-gate } 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate disk_name = new->is_pretty ? new->is_pretty : new->is_name; 5567c478bd9Sstevel@tonic-gate 5577c478bd9Sstevel@tonic-gate /* 5587c478bd9Sstevel@tonic-gate * Only do if we want IO stats - Avoids errors traveling this 5597c478bd9Sstevel@tonic-gate * section if that's all we want to see. 5607c478bd9Sstevel@tonic-gate */ 5617c478bd9Sstevel@tonic-gate if (do_disk & DISK_IO_MASK) { 5627c478bd9Sstevel@tonic-gate if (old) { 5637c478bd9Sstevel@tonic-gate t_delta = hrtime_delta(old->is_snaptime, 5647c478bd9Sstevel@tonic-gate new->is_snaptime); 5657c478bd9Sstevel@tonic-gate } else { 5667c478bd9Sstevel@tonic-gate t_delta = hrtime_delta(new->is_crtime, 5677c478bd9Sstevel@tonic-gate new->is_snaptime); 5687c478bd9Sstevel@tonic-gate } 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER && new->is_nr_children) 5717c478bd9Sstevel@tonic-gate t_delta /= new->is_nr_children; 5727c478bd9Sstevel@tonic-gate 5737c478bd9Sstevel@tonic-gate hr_etime = (double)t_delta; 5747c478bd9Sstevel@tonic-gate if (hr_etime == 0.0) 5757c478bd9Sstevel@tonic-gate hr_etime = (double)NANOSEC; 5767c478bd9Sstevel@tonic-gate etime = hr_etime / (double)NANOSEC; 5777c478bd9Sstevel@tonic-gate 5787c478bd9Sstevel@tonic-gate /* reads per second */ 5797c478bd9Sstevel@tonic-gate udeltas = u32_delta(old ? old->is_stats.reads : 0, 5807c478bd9Sstevel@tonic-gate new->is_stats.reads); 5817c478bd9Sstevel@tonic-gate rps = (double)udeltas; 5827c478bd9Sstevel@tonic-gate rps /= etime; 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate /* writes per second */ 5857c478bd9Sstevel@tonic-gate udeltas = u32_delta(old ? old->is_stats.writes : 0, 5867c478bd9Sstevel@tonic-gate new->is_stats.writes); 5877c478bd9Sstevel@tonic-gate wps = (double)udeltas; 5887c478bd9Sstevel@tonic-gate wps /= etime; 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate tps = rps + wps; 5917c478bd9Sstevel@tonic-gate /* transactions per second */ 5927c478bd9Sstevel@tonic-gate 5937c478bd9Sstevel@tonic-gate /* 5947c478bd9Sstevel@tonic-gate * report throughput as either kb/sec or MB/sec 5957c478bd9Sstevel@tonic-gate */ 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate if (!do_megabytes) 5987c478bd9Sstevel@tonic-gate iosize = 1024.0; 5997c478bd9Sstevel@tonic-gate else 6007c478bd9Sstevel@tonic-gate iosize = 1048576.0; 6017c478bd9Sstevel@tonic-gate 6027c478bd9Sstevel@tonic-gate ldeltas = ull_delta(old ? old->is_stats.nread : 0, 6037c478bd9Sstevel@tonic-gate new->is_stats.nread); 6047c478bd9Sstevel@tonic-gate if (ldeltas) { 6057c478bd9Sstevel@tonic-gate krps = (double)ldeltas; 6067c478bd9Sstevel@tonic-gate krps /= etime; 6077c478bd9Sstevel@tonic-gate krps /= iosize; 6087c478bd9Sstevel@tonic-gate } else 6097c478bd9Sstevel@tonic-gate krps = 0.0; 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate ldeltas = ull_delta(old ? old->is_stats.nwritten : 0, 6127c478bd9Sstevel@tonic-gate new->is_stats.nwritten); 6137c478bd9Sstevel@tonic-gate if (ldeltas) { 6147c478bd9Sstevel@tonic-gate kwps = (double)ldeltas; 6157c478bd9Sstevel@tonic-gate kwps /= etime; 6167c478bd9Sstevel@tonic-gate kwps /= iosize; 6177c478bd9Sstevel@tonic-gate } else 6187c478bd9Sstevel@tonic-gate kwps = 0.0; 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate /* 6217c478bd9Sstevel@tonic-gate * Blocks transferred per second 6227c478bd9Sstevel@tonic-gate */ 6237c478bd9Sstevel@tonic-gate kps = krps + kwps; 6247c478bd9Sstevel@tonic-gate 6257c478bd9Sstevel@tonic-gate /* 626*c3ac4cfbSpetede * Average number of wait transactions waiting 6277c478bd9Sstevel@tonic-gate */ 6287c478bd9Sstevel@tonic-gate w_delta = hrtime_delta((u_longlong_t) 6297c478bd9Sstevel@tonic-gate (old ? old->is_stats.wlentime : 0), 6307c478bd9Sstevel@tonic-gate new->is_stats.wlentime); 6317c478bd9Sstevel@tonic-gate if (w_delta) { 6327c478bd9Sstevel@tonic-gate avw = (double)w_delta; 6337c478bd9Sstevel@tonic-gate avw /= hr_etime; 6347c478bd9Sstevel@tonic-gate } else 6357c478bd9Sstevel@tonic-gate avw = 0.0; 6367c478bd9Sstevel@tonic-gate 6377c478bd9Sstevel@tonic-gate /* 638*c3ac4cfbSpetede * Average number of run transactions waiting 6397c478bd9Sstevel@tonic-gate */ 6407c478bd9Sstevel@tonic-gate r_delta = hrtime_delta(old ? old->is_stats.rlentime : 0, 6417c478bd9Sstevel@tonic-gate new->is_stats.rlentime); 6427c478bd9Sstevel@tonic-gate if (r_delta) { 6437c478bd9Sstevel@tonic-gate avr = (double)r_delta; 6447c478bd9Sstevel@tonic-gate avr /= hr_etime; 6457c478bd9Sstevel@tonic-gate } else 6467c478bd9Sstevel@tonic-gate avr = 0.0; 6477c478bd9Sstevel@tonic-gate 6487c478bd9Sstevel@tonic-gate /* 6497c478bd9Sstevel@tonic-gate * Average wait service time in milliseconds 6507c478bd9Sstevel@tonic-gate */ 6517c478bd9Sstevel@tonic-gate if (tps > 0.0 && (avw != 0.0 || avr != 0.0)) { 6527c478bd9Sstevel@tonic-gate mtps = 1000.0 / tps; 6537c478bd9Sstevel@tonic-gate if (avw != 0.0) 6547c478bd9Sstevel@tonic-gate wserv = avw * mtps; 6557c478bd9Sstevel@tonic-gate else 6567c478bd9Sstevel@tonic-gate wserv = 0.0; 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate if (avr != 0.0) 6597c478bd9Sstevel@tonic-gate rserv = avr * mtps; 6607c478bd9Sstevel@tonic-gate else 6617c478bd9Sstevel@tonic-gate rserv = 0.0; 6627c478bd9Sstevel@tonic-gate serv = rserv + wserv; 6637c478bd9Sstevel@tonic-gate } else { 6647c478bd9Sstevel@tonic-gate rserv = 0.0; 6657c478bd9Sstevel@tonic-gate wserv = 0.0; 6667c478bd9Sstevel@tonic-gate serv = 0.0; 6677c478bd9Sstevel@tonic-gate } 6687c478bd9Sstevel@tonic-gate 6697c478bd9Sstevel@tonic-gate /* % of time there is a transaction waiting for service */ 6707c478bd9Sstevel@tonic-gate t_delta = hrtime_delta(old ? old->is_stats.wtime : 0, 6717c478bd9Sstevel@tonic-gate new->is_stats.wtime); 6727c478bd9Sstevel@tonic-gate if (t_delta) { 6737c478bd9Sstevel@tonic-gate w_pct = (double)t_delta; 6747c478bd9Sstevel@tonic-gate w_pct /= hr_etime; 6757c478bd9Sstevel@tonic-gate w_pct *= 100.0; 6767c478bd9Sstevel@tonic-gate 6777c478bd9Sstevel@tonic-gate /* 6787c478bd9Sstevel@tonic-gate * Average the wait queue utilization over the 6797c478bd9Sstevel@tonic-gate * the controller's devices, if this is a controller. 6807c478bd9Sstevel@tonic-gate */ 6817c478bd9Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER) 6827c478bd9Sstevel@tonic-gate w_pct /= new->is_nr_children; 6837c478bd9Sstevel@tonic-gate } else 6847c478bd9Sstevel@tonic-gate w_pct = 0.0; 6857c478bd9Sstevel@tonic-gate 6867c478bd9Sstevel@tonic-gate /* % of time there is a transaction running */ 6877c478bd9Sstevel@tonic-gate t_delta = hrtime_delta(old ? old->is_stats.rtime : 0, 6887c478bd9Sstevel@tonic-gate new->is_stats.rtime); 6897c478bd9Sstevel@tonic-gate if (t_delta) { 6907c478bd9Sstevel@tonic-gate r_pct = (double)t_delta; 6917c478bd9Sstevel@tonic-gate r_pct /= hr_etime; 6927c478bd9Sstevel@tonic-gate r_pct *= 100.0; 6937c478bd9Sstevel@tonic-gate 6947c478bd9Sstevel@tonic-gate /* 6957c478bd9Sstevel@tonic-gate * Average the percent busy over the controller's 6967c478bd9Sstevel@tonic-gate * devices, if this is a controller. 6977c478bd9Sstevel@tonic-gate */ 6987c478bd9Sstevel@tonic-gate if (new->is_type == IODEV_CONTROLLER) 6997c478bd9Sstevel@tonic-gate w_pct /= new->is_nr_children; 7007c478bd9Sstevel@tonic-gate } else { 7017c478bd9Sstevel@tonic-gate r_pct = 0.0; 7027c478bd9Sstevel@tonic-gate } 7037c478bd9Sstevel@tonic-gate 7047c478bd9Sstevel@tonic-gate /* % of time there is a transaction running */ 7057c478bd9Sstevel@tonic-gate if (do_interval) { 7067c478bd9Sstevel@tonic-gate rps *= etime; 7077c478bd9Sstevel@tonic-gate wps *= etime; 7087c478bd9Sstevel@tonic-gate tps *= etime; 7097c478bd9Sstevel@tonic-gate krps *= etime; 7107c478bd9Sstevel@tonic-gate kwps *= etime; 7117c478bd9Sstevel@tonic-gate kps *= etime; 7127c478bd9Sstevel@tonic-gate } 7137c478bd9Sstevel@tonic-gate } 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS)) { 7167c478bd9Sstevel@tonic-gate if ((!do_conversions) && ((suppress_zero == 0) || 7177c478bd9Sstevel@tonic-gate ((do_disk & DISK_EXTENDED) == 0))) { 7187c478bd9Sstevel@tonic-gate if (do_raw == 0) 7197c478bd9Sstevel@tonic-gate push_out(DISPLAYED_NAME_FORMAT, 7207c478bd9Sstevel@tonic-gate disk_name); 7217c478bd9Sstevel@tonic-gate else 7227c478bd9Sstevel@tonic-gate push_out(disk_name); 7237c478bd9Sstevel@tonic-gate } 7247c478bd9Sstevel@tonic-gate } 7257c478bd9Sstevel@tonic-gate 7267c478bd9Sstevel@tonic-gate switch (do_disk & DISK_IO_MASK) { 7277c478bd9Sstevel@tonic-gate case DISK_OLD: 7287c478bd9Sstevel@tonic-gate if (do_raw == 0) 7297c478bd9Sstevel@tonic-gate fstr = "%3.0f %3.0f %4.0f "; 7307c478bd9Sstevel@tonic-gate else 7317c478bd9Sstevel@tonic-gate fstr = "%.0f,%.0f,%.0f"; 7327c478bd9Sstevel@tonic-gate push_out(fstr, kps, tps, serv); 7337c478bd9Sstevel@tonic-gate break; 7347c478bd9Sstevel@tonic-gate case DISK_NEW: 7357c478bd9Sstevel@tonic-gate if (do_raw == 0) 7367c478bd9Sstevel@tonic-gate fstr = "%3.0f %3.0f %4.1f "; 7377c478bd9Sstevel@tonic-gate else 7387c478bd9Sstevel@tonic-gate fstr = "%.0f,%.0f,%.1f"; 7397c478bd9Sstevel@tonic-gate push_out(fstr, rps, wps, r_pct); 7407c478bd9Sstevel@tonic-gate break; 7417c478bd9Sstevel@tonic-gate case DISK_EXTENDED: 7427c478bd9Sstevel@tonic-gate if (suppress_zero) { 7437c478bd9Sstevel@tonic-gate if (fzero(rps) && fzero(wps) && fzero(krps) && 7447c478bd9Sstevel@tonic-gate fzero(kwps) && fzero(avw) && fzero(avr) && 7457c478bd9Sstevel@tonic-gate fzero(serv) && fzero(w_pct) && fzero(r_pct)) 7467c478bd9Sstevel@tonic-gate doit = 0; 7477c478bd9Sstevel@tonic-gate else if (do_conversions == 0) { 7487c478bd9Sstevel@tonic-gate if (do_raw == 0) 7497c478bd9Sstevel@tonic-gate push_out(DISPLAYED_NAME_FORMAT, 7507c478bd9Sstevel@tonic-gate disk_name); 7517c478bd9Sstevel@tonic-gate else 7527c478bd9Sstevel@tonic-gate push_out(disk_name); 7537c478bd9Sstevel@tonic-gate } 7547c478bd9Sstevel@tonic-gate } 7557c478bd9Sstevel@tonic-gate if (doit) { 7567c478bd9Sstevel@tonic-gate if (!do_conversions) { 7577c478bd9Sstevel@tonic-gate if (do_raw == 0) { 7587c478bd9Sstevel@tonic-gate fstr = " %6.1f %6.1f %6.1f %6.1f " 7597c478bd9Sstevel@tonic-gate "%4.1f %4.1f %6.1f %3.0f " 7607c478bd9Sstevel@tonic-gate "%3.0f "; 7617c478bd9Sstevel@tonic-gate } else { 7627c478bd9Sstevel@tonic-gate fstr = "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f," 7637c478bd9Sstevel@tonic-gate "%.1f,%.0f,%.0f"; 7647c478bd9Sstevel@tonic-gate } 7657c478bd9Sstevel@tonic-gate push_out(fstr, rps, wps, krps, kwps, avw, avr, 7667c478bd9Sstevel@tonic-gate serv, w_pct, r_pct); 7677c478bd9Sstevel@tonic-gate } else { 7687c478bd9Sstevel@tonic-gate if (do_raw == 0) { 7697c478bd9Sstevel@tonic-gate fstr = " %6.1f %6.1f %6.1f %6.1f " 7707c478bd9Sstevel@tonic-gate "%4.1f %4.1f %6.1f %6.1f " 7717c478bd9Sstevel@tonic-gate "%3.0f %3.0f "; 7727c478bd9Sstevel@tonic-gate } else { 7737c478bd9Sstevel@tonic-gate fstr = "%.1f,%.1f,%.1f,%.1f,%.1f,%.1f," 7747c478bd9Sstevel@tonic-gate "%.1f,%.1f,%.0f,%.0f"; 7757c478bd9Sstevel@tonic-gate } 7767c478bd9Sstevel@tonic-gate push_out(fstr, rps, wps, krps, kwps, avw, avr, 7777c478bd9Sstevel@tonic-gate wserv, rserv, w_pct, r_pct); 7787c478bd9Sstevel@tonic-gate } 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate break; 7817c478bd9Sstevel@tonic-gate } 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate if (do_disk & DISK_ERRORS) { 7847c478bd9Sstevel@tonic-gate if ((do_disk == DISK_ERRORS)) { 7857c478bd9Sstevel@tonic-gate if (do_raw == 0) 7867c478bd9Sstevel@tonic-gate push_out(two_blanks); 7877c478bd9Sstevel@tonic-gate } 7887c478bd9Sstevel@tonic-gate 7897c478bd9Sstevel@tonic-gate if (new->is_errors.ks_data) { 7907c478bd9Sstevel@tonic-gate kstat_named_t *knp; 7917c478bd9Sstevel@tonic-gate char *efstr; 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate if (do_raw == 0) 7947c478bd9Sstevel@tonic-gate efstr = "%3u "; 7957c478bd9Sstevel@tonic-gate else 7967c478bd9Sstevel@tonic-gate efstr = "%u"; 7977c478bd9Sstevel@tonic-gate toterrs = 0; 7987c478bd9Sstevel@tonic-gate knp = KSTAT_NAMED_PTR(&new->is_errors); 7997c478bd9Sstevel@tonic-gate for (i = 0; i < 3; i++) { 8007c478bd9Sstevel@tonic-gate switch (knp[i].data_type) { 8017c478bd9Sstevel@tonic-gate case KSTAT_DATA_ULONG: 8027c478bd9Sstevel@tonic-gate push_out(efstr, 8037c478bd9Sstevel@tonic-gate knp[i].value.ui32); 8047c478bd9Sstevel@tonic-gate toterrs += knp[i].value.ui32; 8057c478bd9Sstevel@tonic-gate break; 8067c478bd9Sstevel@tonic-gate case KSTAT_DATA_ULONGLONG: 8077c478bd9Sstevel@tonic-gate /* 8087c478bd9Sstevel@tonic-gate * We're only set up to 8097c478bd9Sstevel@tonic-gate * write out the low 8107c478bd9Sstevel@tonic-gate * order 32-bits so 8117c478bd9Sstevel@tonic-gate * just grab that. 8127c478bd9Sstevel@tonic-gate */ 8137c478bd9Sstevel@tonic-gate push_out(efstr, 8147c478bd9Sstevel@tonic-gate knp[i].value.ui32); 8157c478bd9Sstevel@tonic-gate toterrs += knp[i].value.ui32; 8167c478bd9Sstevel@tonic-gate break; 8177c478bd9Sstevel@tonic-gate default: 8187c478bd9Sstevel@tonic-gate break; 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate push_out(efstr, toterrs); 8227c478bd9Sstevel@tonic-gate } else { 8237c478bd9Sstevel@tonic-gate if (do_raw == 0) 8247c478bd9Sstevel@tonic-gate push_out(" 0 0 0 0 "); 8257c478bd9Sstevel@tonic-gate else 8267c478bd9Sstevel@tonic-gate push_out("0,0,0,0"); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate } 8307c478bd9Sstevel@tonic-gate 8317c478bd9Sstevel@tonic-gate if (suppress_zero == 0 || doit == 1) { 8327c478bd9Sstevel@tonic-gate if ((do_disk & (DISK_EXTENDED | DISK_ERRORS)) && 8337c478bd9Sstevel@tonic-gate do_conversions) { 8347c478bd9Sstevel@tonic-gate push_out("%s", disk_name); 8357c478bd9Sstevel@tonic-gate if (show_mountpts && new->is_dname) { 8367c478bd9Sstevel@tonic-gate mnt_t *mount_pt; 8377c478bd9Sstevel@tonic-gate char *lu; 8387c478bd9Sstevel@tonic-gate char lub[SMALL_SCRATCH_BUFLEN]; 8397c478bd9Sstevel@tonic-gate 8407c478bd9Sstevel@tonic-gate lu = strrchr(new->is_dname, '/'); 8417c478bd9Sstevel@tonic-gate if (lu) { 8427c478bd9Sstevel@tonic-gate if (strcmp(disk_name, lu) == 0) 8437c478bd9Sstevel@tonic-gate lu = new->is_dname; 8447c478bd9Sstevel@tonic-gate else { 8457c478bd9Sstevel@tonic-gate *lu = 0; 8467c478bd9Sstevel@tonic-gate (void) strcpy(lub, 8477c478bd9Sstevel@tonic-gate new->is_dname); 8487c478bd9Sstevel@tonic-gate *lu = '/'; 8497c478bd9Sstevel@tonic-gate (void) strcat(lub, "/"); 8507c478bd9Sstevel@tonic-gate (void) strcat(lub, 8517c478bd9Sstevel@tonic-gate disk_name); 8527c478bd9Sstevel@tonic-gate lu = lub; 8537c478bd9Sstevel@tonic-gate } 8547c478bd9Sstevel@tonic-gate } else 8557c478bd9Sstevel@tonic-gate lu = disk_name; 8567c478bd9Sstevel@tonic-gate mount_pt = lookup_mntent_byname(lu); 8577c478bd9Sstevel@tonic-gate if (mount_pt) { 8587c478bd9Sstevel@tonic-gate if (do_raw == 0) 8597c478bd9Sstevel@tonic-gate push_out(" (%s)", 8607c478bd9Sstevel@tonic-gate mount_pt->mount_point); 8617c478bd9Sstevel@tonic-gate else 8627c478bd9Sstevel@tonic-gate push_out("(%s)", 8637c478bd9Sstevel@tonic-gate mount_pt->mount_point); 8647c478bd9Sstevel@tonic-gate } 8657c478bd9Sstevel@tonic-gate } 8667c478bd9Sstevel@tonic-gate } 8677c478bd9Sstevel@tonic-gate } 8687c478bd9Sstevel@tonic-gate 8697c478bd9Sstevel@tonic-gate if ((do_disk & PRINT_VERTICAL) && show_disk_mode != SHOW_FIRST_ONLY) 8707c478bd9Sstevel@tonic-gate do_newline(); 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate if (count != NULL) 8737c478bd9Sstevel@tonic-gate (*count)++; 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate static void 8777c478bd9Sstevel@tonic-gate usage(void) 8787c478bd9Sstevel@tonic-gate { 8797c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8807c478bd9Sstevel@tonic-gate "Usage: iostat [-cCdDeEiImMnpPrstxXz] " 8817c478bd9Sstevel@tonic-gate " [-l n] [-T d|u] [disk ...] [interval [count]]\n" 8827c478bd9Sstevel@tonic-gate "\t\t-c: report percentage of time system has spent\n" 8837c478bd9Sstevel@tonic-gate "\t\t\tin user/system/wait/idle mode\n" 8847c478bd9Sstevel@tonic-gate "\t\t-C: report disk statistics by controller\n" 8857c478bd9Sstevel@tonic-gate "\t\t-d: display disk Kb/sec, transfers/sec, avg. \n" 8867c478bd9Sstevel@tonic-gate "\t\t\tservice time in milliseconds \n" 8877c478bd9Sstevel@tonic-gate "\t\t-D: display disk reads/sec, writes/sec, \n" 8887c478bd9Sstevel@tonic-gate "\t\t\tpercentage disk utilization \n" 8897c478bd9Sstevel@tonic-gate "\t\t-e: report device error summary statistics\n" 8907c478bd9Sstevel@tonic-gate "\t\t-E: report extended device error statistics\n" 8917c478bd9Sstevel@tonic-gate "\t\t-i: show device IDs for -E output\n" 8927c478bd9Sstevel@tonic-gate "\t\t-I: report the counts in each interval,\n" 8937c478bd9Sstevel@tonic-gate "\t\t\tinstead of rates, where applicable\n" 8947c478bd9Sstevel@tonic-gate "\t\t-l n: Limit the number of disks to n\n" 8957c478bd9Sstevel@tonic-gate "\t\t-m: Display mount points (most useful with -p)\n" 8967c478bd9Sstevel@tonic-gate "\t\t-M: Display data throughput in MB/sec " 8977c478bd9Sstevel@tonic-gate "instead of Kb/sec\n" 8987c478bd9Sstevel@tonic-gate "\t\t-n: convert device names to cXdYtZ format\n" 8997c478bd9Sstevel@tonic-gate "\t\t-p: report per-partition disk statistics\n" 9007c478bd9Sstevel@tonic-gate "\t\t-P: report per-partition disk statistics only,\n" 9017c478bd9Sstevel@tonic-gate "\t\t\tno per-device disk statistics\n" 9027c478bd9Sstevel@tonic-gate "\t\t-r: Display data in comma separated format\n" 9037c478bd9Sstevel@tonic-gate "\t\t-s: Suppress state change messages\n" 9047c478bd9Sstevel@tonic-gate "\t\t-T d|u Display a timestamp in date (d) or unix " 9057c478bd9Sstevel@tonic-gate "time_t (u)\n" 9067c478bd9Sstevel@tonic-gate "\t\t-t: display chars read/written to terminals\n" 9077c478bd9Sstevel@tonic-gate "\t\t-x: display extended disk statistics\n" 9087c478bd9Sstevel@tonic-gate "\t\t-X: display I/O path statistics\n" 9097c478bd9Sstevel@tonic-gate "\t\t-z: Suppress entries with all zero values\n"); 9107c478bd9Sstevel@tonic-gate exit(1); 9117c478bd9Sstevel@tonic-gate } 9127c478bd9Sstevel@tonic-gate 9137c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 9147c478bd9Sstevel@tonic-gate static void 9157c478bd9Sstevel@tonic-gate show_disk_errors(void *v1, void *v2, void *d) 9167c478bd9Sstevel@tonic-gate { 9177c478bd9Sstevel@tonic-gate struct iodev_snapshot *disk = (struct iodev_snapshot *)v2; 9187c478bd9Sstevel@tonic-gate kstat_named_t *knp; 9197c478bd9Sstevel@tonic-gate size_t col; 9207c478bd9Sstevel@tonic-gate int i, len; 9217c478bd9Sstevel@tonic-gate char *dev_name = disk->is_name; 9227c478bd9Sstevel@tonic-gate 9237c478bd9Sstevel@tonic-gate if (disk->is_errors.ks_ndata == 0) 9247c478bd9Sstevel@tonic-gate return; 9257c478bd9Sstevel@tonic-gate if (disk->is_type == IODEV_CONTROLLER) 9267c478bd9Sstevel@tonic-gate return; 9277c478bd9Sstevel@tonic-gate 9287c478bd9Sstevel@tonic-gate if (disk->is_pretty) 9297c478bd9Sstevel@tonic-gate dev_name = disk->is_pretty; 9307c478bd9Sstevel@tonic-gate 9317c478bd9Sstevel@tonic-gate len = strlen(dev_name); 9327c478bd9Sstevel@tonic-gate if (len > 20) 9337c478bd9Sstevel@tonic-gate push_out("%s ", dev_name); 9347c478bd9Sstevel@tonic-gate else if (len > 16) 9357c478bd9Sstevel@tonic-gate push_out("%-20.20s ", dev_name); 9367c478bd9Sstevel@tonic-gate else { 9377c478bd9Sstevel@tonic-gate if (do_conversions) 9387c478bd9Sstevel@tonic-gate push_out("%-16.16s ", dev_name); 9397c478bd9Sstevel@tonic-gate else 9407c478bd9Sstevel@tonic-gate push_out("%-9.9s ", dev_name); 9417c478bd9Sstevel@tonic-gate } 9427c478bd9Sstevel@tonic-gate col = 0; 9437c478bd9Sstevel@tonic-gate 9447c478bd9Sstevel@tonic-gate knp = KSTAT_NAMED_PTR(&disk->is_errors); 9457c478bd9Sstevel@tonic-gate for (i = 0; i < disk->is_errors.ks_ndata; i++) { 9467c478bd9Sstevel@tonic-gate /* skip kstats that the driver did not kstat_named_init */ 9477c478bd9Sstevel@tonic-gate if (knp[i].name[0] == 0) 9487c478bd9Sstevel@tonic-gate continue; 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate col += strlen(knp[i].name); 9517c478bd9Sstevel@tonic-gate 9527c478bd9Sstevel@tonic-gate switch (knp[i].data_type) { 9537c478bd9Sstevel@tonic-gate case KSTAT_DATA_CHAR: 9547c478bd9Sstevel@tonic-gate if ((strcmp(knp[i].name, "Serial No") == 0) && 9557c478bd9Sstevel@tonic-gate do_devid) { 9567c478bd9Sstevel@tonic-gate if (disk->is_devid) { 9577c478bd9Sstevel@tonic-gate push_out("Device Id: %s ", 9587c478bd9Sstevel@tonic-gate disk->is_devid); 9597c478bd9Sstevel@tonic-gate col += strlen(disk->is_devid); 9607c478bd9Sstevel@tonic-gate } else 9617c478bd9Sstevel@tonic-gate push_out("Device Id: "); 9627c478bd9Sstevel@tonic-gate } else { 9637c478bd9Sstevel@tonic-gate push_out("%s: %-.16s ", knp[i].name, 9647c478bd9Sstevel@tonic-gate &knp[i].value.c[0]); 9657c478bd9Sstevel@tonic-gate col += strlen(&knp[i].value.c[0]); 9667c478bd9Sstevel@tonic-gate } 9677c478bd9Sstevel@tonic-gate break; 9687c478bd9Sstevel@tonic-gate case KSTAT_DATA_ULONG: 9697c478bd9Sstevel@tonic-gate push_out("%s: %u ", knp[i].name, 9707c478bd9Sstevel@tonic-gate knp[i].value.ui32); 9717c478bd9Sstevel@tonic-gate col += 4; 9727c478bd9Sstevel@tonic-gate break; 9737c478bd9Sstevel@tonic-gate case KSTAT_DATA_ULONGLONG: 9747c478bd9Sstevel@tonic-gate if (strcmp(knp[i].name, "Size") == 0) { 9757c478bd9Sstevel@tonic-gate push_out("%s: %2.2fGB <%llu bytes>\n", 9767c478bd9Sstevel@tonic-gate knp[i].name, 9777c478bd9Sstevel@tonic-gate (float)knp[i].value.ui64 / 9787c478bd9Sstevel@tonic-gate DISK_GIGABYTE, 9797c478bd9Sstevel@tonic-gate knp[i].value.ui64); 9807c478bd9Sstevel@tonic-gate col = 0; 9817c478bd9Sstevel@tonic-gate break; 9827c478bd9Sstevel@tonic-gate } 9837c478bd9Sstevel@tonic-gate push_out("%s: %u ", knp[i].name, 9847c478bd9Sstevel@tonic-gate knp[i].value.ui32); 9857c478bd9Sstevel@tonic-gate col += 4; 9867c478bd9Sstevel@tonic-gate break; 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate if ((col >= 62) || (i == 2)) { 9897c478bd9Sstevel@tonic-gate do_newline(); 9907c478bd9Sstevel@tonic-gate col = 0; 9917c478bd9Sstevel@tonic-gate } 9927c478bd9Sstevel@tonic-gate } 9937c478bd9Sstevel@tonic-gate if (col > 0) { 9947c478bd9Sstevel@tonic-gate do_newline(); 9957c478bd9Sstevel@tonic-gate } 9967c478bd9Sstevel@tonic-gate do_newline(); 9977c478bd9Sstevel@tonic-gate } 9987c478bd9Sstevel@tonic-gate 9997c478bd9Sstevel@tonic-gate void 10007c478bd9Sstevel@tonic-gate do_args(int argc, char **argv) 10017c478bd9Sstevel@tonic-gate { 10027c478bd9Sstevel@tonic-gate int c; 10037c478bd9Sstevel@tonic-gate int errflg = 0; 10047c478bd9Sstevel@tonic-gate extern char *optarg; 10057c478bd9Sstevel@tonic-gate extern int optind; 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate while ((c = getopt(argc, argv, "tdDxXCciIpPnmMeEszrT:l:")) != EOF) 10087c478bd9Sstevel@tonic-gate switch (c) { 10097c478bd9Sstevel@tonic-gate case 't': 10107c478bd9Sstevel@tonic-gate do_tty++; 10117c478bd9Sstevel@tonic-gate break; 10127c478bd9Sstevel@tonic-gate case 'd': 10137c478bd9Sstevel@tonic-gate do_disk |= DISK_OLD; 10147c478bd9Sstevel@tonic-gate break; 10157c478bd9Sstevel@tonic-gate case 'D': 10167c478bd9Sstevel@tonic-gate do_disk |= DISK_NEW; 10177c478bd9Sstevel@tonic-gate break; 10187c478bd9Sstevel@tonic-gate case 'x': 10197c478bd9Sstevel@tonic-gate do_disk |= DISK_EXTENDED; 10207c478bd9Sstevel@tonic-gate break; 10217c478bd9Sstevel@tonic-gate case 'X': 10227c478bd9Sstevel@tonic-gate do_disk |= DISK_IOPATH; 10237c478bd9Sstevel@tonic-gate break; 10247c478bd9Sstevel@tonic-gate case 'C': 10257c478bd9Sstevel@tonic-gate do_controller++; 10267c478bd9Sstevel@tonic-gate break; 10277c478bd9Sstevel@tonic-gate case 'c': 10287c478bd9Sstevel@tonic-gate do_cpu++; 10297c478bd9Sstevel@tonic-gate break; 10307c478bd9Sstevel@tonic-gate case 'I': 10317c478bd9Sstevel@tonic-gate do_interval++; 10327c478bd9Sstevel@tonic-gate break; 10337c478bd9Sstevel@tonic-gate case 'p': 10347c478bd9Sstevel@tonic-gate do_partitions++; 10357c478bd9Sstevel@tonic-gate break; 10367c478bd9Sstevel@tonic-gate case 'P': 10377c478bd9Sstevel@tonic-gate do_partitions_only++; 10387c478bd9Sstevel@tonic-gate break; 10397c478bd9Sstevel@tonic-gate case 'n': 10407c478bd9Sstevel@tonic-gate do_conversions++; 10417c478bd9Sstevel@tonic-gate break; 10427c478bd9Sstevel@tonic-gate case 'M': 10437c478bd9Sstevel@tonic-gate do_megabytes++; 10447c478bd9Sstevel@tonic-gate break; 10457c478bd9Sstevel@tonic-gate case 'e': 10467c478bd9Sstevel@tonic-gate do_disk |= DISK_ERRORS; 10477c478bd9Sstevel@tonic-gate break; 10487c478bd9Sstevel@tonic-gate case 'E': 10497c478bd9Sstevel@tonic-gate do_disk |= DISK_EXTENDED_ERRORS; 10507c478bd9Sstevel@tonic-gate break; 10517c478bd9Sstevel@tonic-gate case 'i': 10527c478bd9Sstevel@tonic-gate do_devid = 1; 10537c478bd9Sstevel@tonic-gate break; 10547c478bd9Sstevel@tonic-gate case 's': 10557c478bd9Sstevel@tonic-gate suppress_state = 1; 10567c478bd9Sstevel@tonic-gate break; 10577c478bd9Sstevel@tonic-gate case 'z': 10587c478bd9Sstevel@tonic-gate suppress_zero = 1; 10597c478bd9Sstevel@tonic-gate break; 10607c478bd9Sstevel@tonic-gate case 'm': 10617c478bd9Sstevel@tonic-gate show_mountpts = 1; 10627c478bd9Sstevel@tonic-gate break; 10637c478bd9Sstevel@tonic-gate case 'T': 10647c478bd9Sstevel@tonic-gate if (optarg) { 10657c478bd9Sstevel@tonic-gate if (*optarg == 'u') 10667c478bd9Sstevel@tonic-gate do_timestamp = UDATE; 10677c478bd9Sstevel@tonic-gate else if (*optarg == 'd') 10687c478bd9Sstevel@tonic-gate do_timestamp = CDATE; 10697c478bd9Sstevel@tonic-gate else 10707c478bd9Sstevel@tonic-gate errflg++; 10717c478bd9Sstevel@tonic-gate } else 10727c478bd9Sstevel@tonic-gate errflg++; 10737c478bd9Sstevel@tonic-gate break; 10747c478bd9Sstevel@tonic-gate case 'r': 10757c478bd9Sstevel@tonic-gate do_raw = 1; 10767c478bd9Sstevel@tonic-gate break; 10777c478bd9Sstevel@tonic-gate case 'l': 10787c478bd9Sstevel@tonic-gate df.if_max_iodevs = safe_strtoi(optarg, "invalid limit"); 10797c478bd9Sstevel@tonic-gate if (df.if_max_iodevs < 1) 10807c478bd9Sstevel@tonic-gate usage(); 10817c478bd9Sstevel@tonic-gate break; 10827c478bd9Sstevel@tonic-gate case '?': 10837c478bd9Sstevel@tonic-gate errflg++; 10847c478bd9Sstevel@tonic-gate } 10857c478bd9Sstevel@tonic-gate 10867c478bd9Sstevel@tonic-gate if ((do_disk & DISK_OLD) && (do_disk & DISK_NEW)) { 10877c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "-d and -D are incompatible.\n"); 10887c478bd9Sstevel@tonic-gate usage(); 10897c478bd9Sstevel@tonic-gate } 10907c478bd9Sstevel@tonic-gate 10917c478bd9Sstevel@tonic-gate if (errflg) { 10927c478bd9Sstevel@tonic-gate usage(); 10937c478bd9Sstevel@tonic-gate } 10947c478bd9Sstevel@tonic-gate /* if no output classes explicity specified, use defaults */ 10957c478bd9Sstevel@tonic-gate if (do_tty == 0 && do_disk == 0 && do_cpu == 0) 10967c478bd9Sstevel@tonic-gate do_tty = do_cpu = 1, do_disk = DISK_OLD; 10977c478bd9Sstevel@tonic-gate 10987c478bd9Sstevel@tonic-gate /* 10997c478bd9Sstevel@tonic-gate * If conflicting options take the preferred 11007c478bd9Sstevel@tonic-gate * -D and -x result in -x 11017c478bd9Sstevel@tonic-gate * -d or -D and -e or -E gives only whatever -d or -D was specified 11027c478bd9Sstevel@tonic-gate */ 11037c478bd9Sstevel@tonic-gate if ((do_disk & DISK_EXTENDED) && (do_disk & DISK_NORMAL)) 11047c478bd9Sstevel@tonic-gate do_disk &= ~DISK_NORMAL; 11057c478bd9Sstevel@tonic-gate if ((do_disk & DISK_NORMAL) && (do_disk & DISK_ERROR_MASK)) 11067c478bd9Sstevel@tonic-gate do_disk &= ~DISK_ERROR_MASK; 11077c478bd9Sstevel@tonic-gate 11087c478bd9Sstevel@tonic-gate /* 11097c478bd9Sstevel@tonic-gate * I/O path stats are only available with extended (-x) stats 11107c478bd9Sstevel@tonic-gate */ 11117c478bd9Sstevel@tonic-gate if ((do_disk & DISK_IOPATH) && !(do_disk & DISK_EXTENDED)) 11127c478bd9Sstevel@tonic-gate do_disk &= ~DISK_IOPATH; 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate /* nfs, tape, always shown */ 11157c478bd9Sstevel@tonic-gate df.if_allowed_types = IODEV_NFS | IODEV_TAPE; 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate /* 11187c478bd9Sstevel@tonic-gate * If limit == 0 then no command line limit was set, else if any of 11197c478bd9Sstevel@tonic-gate * the flags that cause unlimited disks were not set, 11207c478bd9Sstevel@tonic-gate * use the default of 4 11217c478bd9Sstevel@tonic-gate */ 11227c478bd9Sstevel@tonic-gate if (df.if_max_iodevs == 0) { 11237c478bd9Sstevel@tonic-gate df.if_max_iodevs = DEFAULT_LIMIT; 11247c478bd9Sstevel@tonic-gate df.if_skip_floppy = 1; 11257c478bd9Sstevel@tonic-gate if (do_disk & (DISK_EXTENDED | DISK_ERRORS | 11267c478bd9Sstevel@tonic-gate DISK_EXTENDED_ERRORS)) { 11277c478bd9Sstevel@tonic-gate df.if_max_iodevs = UNLIMITED_IODEVS; 11287c478bd9Sstevel@tonic-gate df.if_skip_floppy = 0; 11297c478bd9Sstevel@tonic-gate } 11307c478bd9Sstevel@tonic-gate } 11317c478bd9Sstevel@tonic-gate if (do_disk) { 11327c478bd9Sstevel@tonic-gate size_t count = 0; 11337c478bd9Sstevel@tonic-gate size_t i = optind; 11347c478bd9Sstevel@tonic-gate 11357c478bd9Sstevel@tonic-gate while (i < argc && !isdigit(argv[i][0])) { 11367c478bd9Sstevel@tonic-gate count++; 11377c478bd9Sstevel@tonic-gate i++; 11387c478bd9Sstevel@tonic-gate } 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate /* 11417c478bd9Sstevel@tonic-gate * "Note: disks explicitly requested 11427c478bd9Sstevel@tonic-gate * are not subject to this disk limit" 11437c478bd9Sstevel@tonic-gate */ 11447c478bd9Sstevel@tonic-gate if (count > df.if_max_iodevs) 11457c478bd9Sstevel@tonic-gate df.if_max_iodevs = count; 11467c478bd9Sstevel@tonic-gate df.if_names = safe_alloc(count * sizeof (char *)); 11477c478bd9Sstevel@tonic-gate (void) memset(df.if_names, 0, count * sizeof (char *)); 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate while (optind < argc && !isdigit(argv[optind][0])) 11507c478bd9Sstevel@tonic-gate df.if_names[df.if_nr_names++] = argv[optind++]; 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate if (optind < argc) { 11537c478bd9Sstevel@tonic-gate interval = safe_strtoi(argv[optind], "invalid interval"); 11547c478bd9Sstevel@tonic-gate if (interval < 1) 11557c478bd9Sstevel@tonic-gate fail(0, "invalid interval"); 11567c478bd9Sstevel@tonic-gate optind++; 11577c478bd9Sstevel@tonic-gate 11587c478bd9Sstevel@tonic-gate if (optind < argc) { 11597c478bd9Sstevel@tonic-gate iter = safe_strtoi(argv[optind], "invalid count"); 11607c478bd9Sstevel@tonic-gate if (iter < 1) 11617c478bd9Sstevel@tonic-gate fail(0, "invalid count"); 11627c478bd9Sstevel@tonic-gate optind++; 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate if (interval == 0) 11667c478bd9Sstevel@tonic-gate iter = 1; 11677c478bd9Sstevel@tonic-gate if (optind < argc) 11687c478bd9Sstevel@tonic-gate usage(); 11697c478bd9Sstevel@tonic-gate } 11707c478bd9Sstevel@tonic-gate 11717c478bd9Sstevel@tonic-gate /* 11727c478bd9Sstevel@tonic-gate * Driver for doing the extended header formatting. Will produce 11737c478bd9Sstevel@tonic-gate * the function stack needed to output an extended header based 11747c478bd9Sstevel@tonic-gate * on the options selected. 11757c478bd9Sstevel@tonic-gate */ 11767c478bd9Sstevel@tonic-gate 11777c478bd9Sstevel@tonic-gate void 11787c478bd9Sstevel@tonic-gate do_format(void) 11797c478bd9Sstevel@tonic-gate { 11807c478bd9Sstevel@tonic-gate char header[SMALL_SCRATCH_BUFLEN]; 11817c478bd9Sstevel@tonic-gate char ch; 11827c478bd9Sstevel@tonic-gate char iosz; 11837c478bd9Sstevel@tonic-gate const char *fstr; 11847c478bd9Sstevel@tonic-gate 11857c478bd9Sstevel@tonic-gate disk_header[0] = 0; 11867c478bd9Sstevel@tonic-gate ch = (do_interval ? 'i' : 's'); 11877c478bd9Sstevel@tonic-gate iosz = (do_megabytes ? 'M' : 'k'); 11887c478bd9Sstevel@tonic-gate if (do_disk & DISK_ERRORS) { 11897c478bd9Sstevel@tonic-gate if (do_raw == 0) { 11907c478bd9Sstevel@tonic-gate (void) sprintf(header, "s/w h/w trn tot "); 11917c478bd9Sstevel@tonic-gate } else 11927c478bd9Sstevel@tonic-gate (void) sprintf(header, "s/w,h/w,trn,tot"); 11937c478bd9Sstevel@tonic-gate } else 11947c478bd9Sstevel@tonic-gate *header = NULL; 11957c478bd9Sstevel@tonic-gate switch (do_disk & DISK_IO_MASK) { 11967c478bd9Sstevel@tonic-gate case DISK_OLD: 11977c478bd9Sstevel@tonic-gate if (do_raw == 0) 11987c478bd9Sstevel@tonic-gate fstr = "%cp%c tp%c serv "; 11997c478bd9Sstevel@tonic-gate else 12007c478bd9Sstevel@tonic-gate fstr = "%cp%c,tp%c,serv"; 12017c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 12027c478bd9Sstevel@tonic-gate fstr, iosz, ch, ch); 12037c478bd9Sstevel@tonic-gate break; 12047c478bd9Sstevel@tonic-gate case DISK_NEW: 12057c478bd9Sstevel@tonic-gate if (do_raw == 0) 12067c478bd9Sstevel@tonic-gate fstr = "rp%c wp%c util "; 12077c478bd9Sstevel@tonic-gate else 12087c478bd9Sstevel@tonic-gate fstr = "%rp%c,wp%c,util"; 12097c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 12107c478bd9Sstevel@tonic-gate fstr, ch, ch); 12117c478bd9Sstevel@tonic-gate break; 12127c478bd9Sstevel@tonic-gate case DISK_EXTENDED: 12137c478bd9Sstevel@tonic-gate if (!do_conversions) { 12147c478bd9Sstevel@tonic-gate if (do_raw == 0) 12157c478bd9Sstevel@tonic-gate fstr = "device r/%c w/%c " 12167c478bd9Sstevel@tonic-gate "%cr/%c %cw/%c wait actv " 12177c478bd9Sstevel@tonic-gate "svc_t %%%%w %%%%b %s"; 12187c478bd9Sstevel@tonic-gate else 12197c478bd9Sstevel@tonic-gate fstr = "device,r/%c,w/%c,%cr/%c,%cw/%c," 12207c478bd9Sstevel@tonic-gate "wait,actv,svc_t,%%%%w," 12217c478bd9Sstevel@tonic-gate "%%%%b,%s"; 12227c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, 12237c478bd9Sstevel@tonic-gate sizeof (disk_header), 12247c478bd9Sstevel@tonic-gate fstr, ch, ch, iosz, ch, iosz, 12257c478bd9Sstevel@tonic-gate ch, header); 12267c478bd9Sstevel@tonic-gate } else { 12277c478bd9Sstevel@tonic-gate if (do_raw == 0) { 12287c478bd9Sstevel@tonic-gate fstr = " r/%c w/%c %cr/%c " 12297c478bd9Sstevel@tonic-gate "%cw/%c wait actv wsvc_t asvc_t " 12307c478bd9Sstevel@tonic-gate "%%%%w %%%%b %sdevice"; 12317c478bd9Sstevel@tonic-gate } else { 12327c478bd9Sstevel@tonic-gate fstr = "r/%c,w/%c,%cr/%c,%cw/%c," 12337c478bd9Sstevel@tonic-gate "wait,actv,wsvc_t,asvc_t," 12347c478bd9Sstevel@tonic-gate "%%%%w,%%%%b,%sdevice"; 12357c478bd9Sstevel@tonic-gate } 12367c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, 12377c478bd9Sstevel@tonic-gate sizeof (disk_header), 12387c478bd9Sstevel@tonic-gate fstr, ch, ch, iosz, ch, iosz, 12397c478bd9Sstevel@tonic-gate ch, header); 12407c478bd9Sstevel@tonic-gate } 12417c478bd9Sstevel@tonic-gate break; 12427c478bd9Sstevel@tonic-gate default: 12437c478bd9Sstevel@tonic-gate break; 12447c478bd9Sstevel@tonic-gate } 12457c478bd9Sstevel@tonic-gate if (do_disk == DISK_ERRORS) { 12467c478bd9Sstevel@tonic-gate char *sep; 12477c478bd9Sstevel@tonic-gate 12487c478bd9Sstevel@tonic-gate if (!do_conversions) { 12497c478bd9Sstevel@tonic-gate if (do_raw == 0) { 12507c478bd9Sstevel@tonic-gate sep = " "; 12517c478bd9Sstevel@tonic-gate } else 12527c478bd9Sstevel@tonic-gate sep = ","; 12537c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, sizeof (disk_header), 12547c478bd9Sstevel@tonic-gate "%s%s%s", "device", sep, header); 12557c478bd9Sstevel@tonic-gate } else { 12567c478bd9Sstevel@tonic-gate if (do_raw == 0) { 12577c478bd9Sstevel@tonic-gate (void) snprintf(disk_header, 12587c478bd9Sstevel@tonic-gate sizeof (disk_header), 12597c478bd9Sstevel@tonic-gate " %s", header); 12607c478bd9Sstevel@tonic-gate } else 12617c478bd9Sstevel@tonic-gate (void) strcpy(disk_header, header); 12627c478bd9Sstevel@tonic-gate } 12637c478bd9Sstevel@tonic-gate } else { 12647c478bd9Sstevel@tonic-gate /* 12657c478bd9Sstevel@tonic-gate * Need to subtract two characters for the % escape in 12667c478bd9Sstevel@tonic-gate * the string. 12677c478bd9Sstevel@tonic-gate */ 12687c478bd9Sstevel@tonic-gate dh_len = strlen(disk_header) - 2; 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate if (do_timestamp) 12727c478bd9Sstevel@tonic-gate setup(print_timestamp); 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate /* 12757c478bd9Sstevel@tonic-gate * -n *and* (-E *or* -e *or* -x) 12767c478bd9Sstevel@tonic-gate */ 12777c478bd9Sstevel@tonic-gate if (do_conversions && (do_disk & PRINT_VERTICAL)) { 12787c478bd9Sstevel@tonic-gate if (do_tty) 12797c478bd9Sstevel@tonic-gate setup(print_tty_hdr1); 12807c478bd9Sstevel@tonic-gate if (do_cpu) 12817c478bd9Sstevel@tonic-gate setup(print_cpu_hdr1); 12827c478bd9Sstevel@tonic-gate if (do_tty || do_cpu) 12837c478bd9Sstevel@tonic-gate setup(do_newline); 12847c478bd9Sstevel@tonic-gate if (do_tty) 12857c478bd9Sstevel@tonic-gate setup(print_tty_hdr2); 12867c478bd9Sstevel@tonic-gate if (do_cpu) 12877c478bd9Sstevel@tonic-gate setup(print_cpu_hdr2); 12887c478bd9Sstevel@tonic-gate if (do_tty || do_cpu) 12897c478bd9Sstevel@tonic-gate setup(do_newline); 12907c478bd9Sstevel@tonic-gate if (do_tty) 12917c478bd9Sstevel@tonic-gate setup(print_tty_data); 12927c478bd9Sstevel@tonic-gate if (do_cpu) 12937c478bd9Sstevel@tonic-gate setup(print_cpu_data); 12947c478bd9Sstevel@tonic-gate if (do_tty || do_cpu) 12957c478bd9Sstevel@tonic-gate setup(do_newline); 12967c478bd9Sstevel@tonic-gate printxhdr(); 12977c478bd9Sstevel@tonic-gate 12987c478bd9Sstevel@tonic-gate setup(show_all_disks); 12997c478bd9Sstevel@tonic-gate } else { 13007c478bd9Sstevel@tonic-gate /* 13017c478bd9Sstevel@tonic-gate * These unholy gymnastics are necessary to place CPU/tty 13027c478bd9Sstevel@tonic-gate * data to the right of the disks/errors for the first 13037c478bd9Sstevel@tonic-gate * line in vertical mode. 13047c478bd9Sstevel@tonic-gate */ 13057c478bd9Sstevel@tonic-gate if (do_disk & PRINT_VERTICAL) { 13067c478bd9Sstevel@tonic-gate printxhdr(); 13077c478bd9Sstevel@tonic-gate 13087c478bd9Sstevel@tonic-gate setup(show_first_disk); 13097c478bd9Sstevel@tonic-gate if (do_tty) 13107c478bd9Sstevel@tonic-gate setup(print_tty_data); 13117c478bd9Sstevel@tonic-gate if (do_cpu) 13127c478bd9Sstevel@tonic-gate setup(print_cpu_data); 13137c478bd9Sstevel@tonic-gate setup(do_newline); 13147c478bd9Sstevel@tonic-gate 13157c478bd9Sstevel@tonic-gate setup(show_other_disks); 13167c478bd9Sstevel@tonic-gate } else { 13177c478bd9Sstevel@tonic-gate setup(hdrout); 13187c478bd9Sstevel@tonic-gate if (do_tty) 13197c478bd9Sstevel@tonic-gate setup(print_tty_data); 13207c478bd9Sstevel@tonic-gate setup(show_all_disks); 13217c478bd9Sstevel@tonic-gate if (do_cpu) 13227c478bd9Sstevel@tonic-gate setup(print_cpu_data); 13237c478bd9Sstevel@tonic-gate } 13247c478bd9Sstevel@tonic-gate 13257c478bd9Sstevel@tonic-gate setup(do_newline); 13267c478bd9Sstevel@tonic-gate } 13277c478bd9Sstevel@tonic-gate if (do_disk & DISK_EXTENDED_ERRORS) 13287c478bd9Sstevel@tonic-gate setup(disk_errors); 13297c478bd9Sstevel@tonic-gate } 13307c478bd9Sstevel@tonic-gate 13317c478bd9Sstevel@tonic-gate /* 13327c478bd9Sstevel@tonic-gate * Add a new function to the list of functions 13337c478bd9Sstevel@tonic-gate * for this invocation. Once on the stack the 13347c478bd9Sstevel@tonic-gate * function is never removed nor does its place 13357c478bd9Sstevel@tonic-gate * change. 13367c478bd9Sstevel@tonic-gate */ 13377c478bd9Sstevel@tonic-gate void 13387c478bd9Sstevel@tonic-gate setup(void (*nfunc)(void)) 13397c478bd9Sstevel@tonic-gate { 13407c478bd9Sstevel@tonic-gate format_t *tmp; 13417c478bd9Sstevel@tonic-gate 13427c478bd9Sstevel@tonic-gate tmp = safe_alloc(sizeof (format_t)); 13437c478bd9Sstevel@tonic-gate tmp->nfunc = nfunc; 13447c478bd9Sstevel@tonic-gate tmp->next = 0; 13457c478bd9Sstevel@tonic-gate if (formatter_end) 13467c478bd9Sstevel@tonic-gate formatter_end->next = tmp; 13477c478bd9Sstevel@tonic-gate else 13487c478bd9Sstevel@tonic-gate formatter_list = tmp; 13497c478bd9Sstevel@tonic-gate formatter_end = tmp; 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate } 13527c478bd9Sstevel@tonic-gate 13537c478bd9Sstevel@tonic-gate /* 13547c478bd9Sstevel@tonic-gate * The functions after this comment are devoted to printing 13557c478bd9Sstevel@tonic-gate * various parts of the header. They are selected based on the 13567c478bd9Sstevel@tonic-gate * options provided when the program was invoked. The functions 13577c478bd9Sstevel@tonic-gate * are either directly invoked in printhdr() or are indirectly 13587c478bd9Sstevel@tonic-gate * invoked by being placed on the list of functions used when 13597c478bd9Sstevel@tonic-gate * extended headers are used. 13607c478bd9Sstevel@tonic-gate */ 13617c478bd9Sstevel@tonic-gate void 13627c478bd9Sstevel@tonic-gate print_tty_hdr1(void) 13637c478bd9Sstevel@tonic-gate { 13647c478bd9Sstevel@tonic-gate char *fstr; 13657c478bd9Sstevel@tonic-gate char *dstr; 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate if (do_raw == 0) { 13687c478bd9Sstevel@tonic-gate fstr = "%10.10s"; 13697c478bd9Sstevel@tonic-gate dstr = "tty "; 13707c478bd9Sstevel@tonic-gate } else { 13717c478bd9Sstevel@tonic-gate fstr = "%s"; 13727c478bd9Sstevel@tonic-gate dstr = "tty"; 13737c478bd9Sstevel@tonic-gate } 13747c478bd9Sstevel@tonic-gate push_out(fstr, dstr); 13757c478bd9Sstevel@tonic-gate } 13767c478bd9Sstevel@tonic-gate 13777c478bd9Sstevel@tonic-gate void 13787c478bd9Sstevel@tonic-gate print_tty_hdr2(void) 13797c478bd9Sstevel@tonic-gate { 13807c478bd9Sstevel@tonic-gate if (do_raw == 0) 13817c478bd9Sstevel@tonic-gate push_out("%-10.10s", " tin tout"); 13827c478bd9Sstevel@tonic-gate else 13837c478bd9Sstevel@tonic-gate push_out("tin,tout"); 13847c478bd9Sstevel@tonic-gate } 13857c478bd9Sstevel@tonic-gate 13867c478bd9Sstevel@tonic-gate void 13877c478bd9Sstevel@tonic-gate print_cpu_hdr1(void) 13887c478bd9Sstevel@tonic-gate { 13897c478bd9Sstevel@tonic-gate char *dstr; 13907c478bd9Sstevel@tonic-gate 13917c478bd9Sstevel@tonic-gate if (do_raw == 0) 13927c478bd9Sstevel@tonic-gate dstr = " cpu"; 13937c478bd9Sstevel@tonic-gate else 13947c478bd9Sstevel@tonic-gate dstr = "cpu"; 13957c478bd9Sstevel@tonic-gate push_out(dstr); 13967c478bd9Sstevel@tonic-gate } 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate void 13997c478bd9Sstevel@tonic-gate print_cpu_hdr2(void) 14007c478bd9Sstevel@tonic-gate { 14017c478bd9Sstevel@tonic-gate char *dstr; 14027c478bd9Sstevel@tonic-gate 14037c478bd9Sstevel@tonic-gate if (do_raw == 0) 14047c478bd9Sstevel@tonic-gate dstr = " us sy wt id"; 14057c478bd9Sstevel@tonic-gate else 14067c478bd9Sstevel@tonic-gate dstr = "us,sy,wt,id"; 14077c478bd9Sstevel@tonic-gate push_out(dstr); 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate 14107c478bd9Sstevel@tonic-gate /* 14117c478bd9Sstevel@tonic-gate * Assumption is that tty data is always first - no need for raw mode leading 14127c478bd9Sstevel@tonic-gate * comma. 14137c478bd9Sstevel@tonic-gate */ 14147c478bd9Sstevel@tonic-gate void 14157c478bd9Sstevel@tonic-gate print_tty_data(void) 14167c478bd9Sstevel@tonic-gate { 14177c478bd9Sstevel@tonic-gate char *fstr; 14187c478bd9Sstevel@tonic-gate uint64_t deltas; 14197c478bd9Sstevel@tonic-gate double raw; 14207c478bd9Sstevel@tonic-gate double outch; 14217c478bd9Sstevel@tonic-gate kstat_t *oldks = NULL; 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate if (oldss) 14247c478bd9Sstevel@tonic-gate oldks = &oldss->s_sys.ss_agg_sys; 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate if (do_raw == 0) 14277c478bd9Sstevel@tonic-gate fstr = " %3.0f %4.0f "; 14287c478bd9Sstevel@tonic-gate else 14297c478bd9Sstevel@tonic-gate fstr = "%.0f,%.0f"; 14307c478bd9Sstevel@tonic-gate deltas = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "rawch"); 14317c478bd9Sstevel@tonic-gate raw = deltas; 14327c478bd9Sstevel@tonic-gate raw /= getime; 14337c478bd9Sstevel@tonic-gate deltas = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "outch"); 14347c478bd9Sstevel@tonic-gate outch = deltas; 14357c478bd9Sstevel@tonic-gate outch /= getime; 14367c478bd9Sstevel@tonic-gate push_out(fstr, raw, outch); 14377c478bd9Sstevel@tonic-gate } 14387c478bd9Sstevel@tonic-gate 14397c478bd9Sstevel@tonic-gate /* 14407c478bd9Sstevel@tonic-gate * Write out CPU data 14417c478bd9Sstevel@tonic-gate */ 14427c478bd9Sstevel@tonic-gate void 14437c478bd9Sstevel@tonic-gate print_cpu_data(void) 14447c478bd9Sstevel@tonic-gate { 14457c478bd9Sstevel@tonic-gate char *fstr; 14467c478bd9Sstevel@tonic-gate uint64_t idle; 14477c478bd9Sstevel@tonic-gate uint64_t user; 14487c478bd9Sstevel@tonic-gate uint64_t kern; 14497c478bd9Sstevel@tonic-gate uint64_t wait; 14507c478bd9Sstevel@tonic-gate kstat_t *oldks = NULL; 14517c478bd9Sstevel@tonic-gate 14527c478bd9Sstevel@tonic-gate if (oldss) 14537c478bd9Sstevel@tonic-gate oldks = &oldss->s_sys.ss_agg_sys; 14547c478bd9Sstevel@tonic-gate 14557c478bd9Sstevel@tonic-gate if (do_raw == 0) 14567c478bd9Sstevel@tonic-gate fstr = " %2.0f %2.0f %2.0f %2.0f"; 14577c478bd9Sstevel@tonic-gate else 14587c478bd9Sstevel@tonic-gate fstr = "%.0f,%.0f,%.0f,%.0f"; 14597c478bd9Sstevel@tonic-gate 14607c478bd9Sstevel@tonic-gate idle = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_idle"); 14617c478bd9Sstevel@tonic-gate user = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_user"); 14627c478bd9Sstevel@tonic-gate kern = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_kernel"); 14637c478bd9Sstevel@tonic-gate wait = kstat_delta(oldks, &newss->s_sys.ss_agg_sys, "cpu_ticks_wait"); 14647c478bd9Sstevel@tonic-gate push_out(fstr, user * percent, kern * percent, 14657c478bd9Sstevel@tonic-gate wait * percent, idle * percent); 14667c478bd9Sstevel@tonic-gate } 14677c478bd9Sstevel@tonic-gate 14687c478bd9Sstevel@tonic-gate /* 14697c478bd9Sstevel@tonic-gate * Emit the appropriate header. 14707c478bd9Sstevel@tonic-gate */ 14717c478bd9Sstevel@tonic-gate void 14727c478bd9Sstevel@tonic-gate hdrout(void) 14737c478bd9Sstevel@tonic-gate { 14747c478bd9Sstevel@tonic-gate if (do_raw == 0) { 14757c478bd9Sstevel@tonic-gate if (--tohdr == 0) 14767c478bd9Sstevel@tonic-gate printhdr(0); 14777c478bd9Sstevel@tonic-gate } else if (hdr_out == 0) { 14787c478bd9Sstevel@tonic-gate printhdr(0); 14797c478bd9Sstevel@tonic-gate hdr_out = 1; 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate } 14827c478bd9Sstevel@tonic-gate 14837c478bd9Sstevel@tonic-gate /* 14847c478bd9Sstevel@tonic-gate * Write out disk errors when -E is specified. 14857c478bd9Sstevel@tonic-gate */ 14867c478bd9Sstevel@tonic-gate void 14877c478bd9Sstevel@tonic-gate disk_errors(void) 14887c478bd9Sstevel@tonic-gate { 14897c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk_errors, NULL); 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate void 14937c478bd9Sstevel@tonic-gate show_first_disk(void) 14947c478bd9Sstevel@tonic-gate { 14957c478bd9Sstevel@tonic-gate int count = 0; 14967c478bd9Sstevel@tonic-gate 14977c478bd9Sstevel@tonic-gate show_disk_mode = SHOW_FIRST_ONLY; 14987c478bd9Sstevel@tonic-gate 14997c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 15007c478bd9Sstevel@tonic-gate } 15017c478bd9Sstevel@tonic-gate 15027c478bd9Sstevel@tonic-gate void 15037c478bd9Sstevel@tonic-gate show_other_disks(void) 15047c478bd9Sstevel@tonic-gate { 15057c478bd9Sstevel@tonic-gate int count = 0; 15067c478bd9Sstevel@tonic-gate 15077c478bd9Sstevel@tonic-gate show_disk_mode = SHOW_SECOND_ONWARDS; 15087c478bd9Sstevel@tonic-gate 15097c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 15107c478bd9Sstevel@tonic-gate } 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate void 15137c478bd9Sstevel@tonic-gate show_all_disks(void) 15147c478bd9Sstevel@tonic-gate { 15157c478bd9Sstevel@tonic-gate int count = 0; 15167c478bd9Sstevel@tonic-gate 15177c478bd9Sstevel@tonic-gate show_disk_mode = SHOW_ALL; 15187c478bd9Sstevel@tonic-gate 15197c478bd9Sstevel@tonic-gate (void) snapshot_walk(SNAP_IODEVS, oldss, newss, show_disk, &count); 15207c478bd9Sstevel@tonic-gate } 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate /* 15237c478bd9Sstevel@tonic-gate * Write a newline out and clear the lineout flag. 15247c478bd9Sstevel@tonic-gate */ 15257c478bd9Sstevel@tonic-gate static void 15267c478bd9Sstevel@tonic-gate do_newline(void) 15277c478bd9Sstevel@tonic-gate { 15287c478bd9Sstevel@tonic-gate if (lineout) { 15297c478bd9Sstevel@tonic-gate (void) putchar('\n'); 15307c478bd9Sstevel@tonic-gate lineout = 0; 15317c478bd9Sstevel@tonic-gate } 15327c478bd9Sstevel@tonic-gate } 15337c478bd9Sstevel@tonic-gate 15347c478bd9Sstevel@tonic-gate /* 15357c478bd9Sstevel@tonic-gate * Generalized printf function that determines what extra 15367c478bd9Sstevel@tonic-gate * to print out if we're in raw mode. At this time we 15377c478bd9Sstevel@tonic-gate * don't care about errors. 15387c478bd9Sstevel@tonic-gate */ 15397c478bd9Sstevel@tonic-gate static void 15407c478bd9Sstevel@tonic-gate push_out(const char *message, ...) 15417c478bd9Sstevel@tonic-gate { 15427c478bd9Sstevel@tonic-gate va_list args; 15437c478bd9Sstevel@tonic-gate 15447c478bd9Sstevel@tonic-gate va_start(args, message); 15457c478bd9Sstevel@tonic-gate if (do_raw && lineout == 1) 15467c478bd9Sstevel@tonic-gate (void) putchar(','); 15477c478bd9Sstevel@tonic-gate (void) vprintf(message, args); 15487c478bd9Sstevel@tonic-gate va_end(args); 15497c478bd9Sstevel@tonic-gate lineout = 1; 15507c478bd9Sstevel@tonic-gate } 15517c478bd9Sstevel@tonic-gate 15527c478bd9Sstevel@tonic-gate /* 15537c478bd9Sstevel@tonic-gate * Emit the header string when -e is specified. 15547c478bd9Sstevel@tonic-gate */ 15557c478bd9Sstevel@tonic-gate static void 15567c478bd9Sstevel@tonic-gate print_err_hdr(void) 15577c478bd9Sstevel@tonic-gate { 15587c478bd9Sstevel@tonic-gate char obuf[SMALL_SCRATCH_BUFLEN]; 15597c478bd9Sstevel@tonic-gate 15607c478bd9Sstevel@tonic-gate if (do_conversions == 0) { 15617c478bd9Sstevel@tonic-gate if (!(do_disk & DISK_EXTENDED)) { 15627c478bd9Sstevel@tonic-gate (void) snprintf(obuf, sizeof (obuf), 15637c478bd9Sstevel@tonic-gate "%11s", one_blank); 15647c478bd9Sstevel@tonic-gate push_out(obuf); 15657c478bd9Sstevel@tonic-gate } 15667c478bd9Sstevel@tonic-gate } else if (do_disk == DISK_ERRORS) 15677c478bd9Sstevel@tonic-gate push_out(two_blanks); 15687c478bd9Sstevel@tonic-gate else 15697c478bd9Sstevel@tonic-gate push_out(one_blank); 15707c478bd9Sstevel@tonic-gate push_out("---- errors --- "); 15717c478bd9Sstevel@tonic-gate } 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate /* 15747c478bd9Sstevel@tonic-gate * Emit the header string when -e is specified. 15757c478bd9Sstevel@tonic-gate */ 15767c478bd9Sstevel@tonic-gate static void 15777c478bd9Sstevel@tonic-gate print_disk_header(void) 15787c478bd9Sstevel@tonic-gate { 15797c478bd9Sstevel@tonic-gate push_out(disk_header); 15807c478bd9Sstevel@tonic-gate } 15817c478bd9Sstevel@tonic-gate 15827c478bd9Sstevel@tonic-gate /* 15837c478bd9Sstevel@tonic-gate * Write out a timestamp. Format is all that goes out on 15847c478bd9Sstevel@tonic-gate * the line so no use of push_out. 15857c478bd9Sstevel@tonic-gate * 15867c478bd9Sstevel@tonic-gate * Write out as decimal reprentation of time_t value 15877c478bd9Sstevel@tonic-gate * (-T u was specified) or the string returned from 15887c478bd9Sstevel@tonic-gate * ctime() (-T d was specified). 15897c478bd9Sstevel@tonic-gate */ 15907c478bd9Sstevel@tonic-gate static void 15917c478bd9Sstevel@tonic-gate print_timestamp(void) 15927c478bd9Sstevel@tonic-gate { 15937c478bd9Sstevel@tonic-gate time_t t; 15947c478bd9Sstevel@tonic-gate 15957c478bd9Sstevel@tonic-gate if (time(&t) != -1) { 15967c478bd9Sstevel@tonic-gate if (do_timestamp == UDATE) { 15977c478bd9Sstevel@tonic-gate (void) printf("%ld\n", t); 15987c478bd9Sstevel@tonic-gate } else if (do_timestamp == CDATE) { 15997c478bd9Sstevel@tonic-gate char *cpt; 16007c478bd9Sstevel@tonic-gate 16017c478bd9Sstevel@tonic-gate cpt = ctime(&t); 16027c478bd9Sstevel@tonic-gate if (cpt) { 16037c478bd9Sstevel@tonic-gate (void) fputs(cpt, stdout); 16047c478bd9Sstevel@tonic-gate } 16057c478bd9Sstevel@tonic-gate } 16067c478bd9Sstevel@tonic-gate } 16077c478bd9Sstevel@tonic-gate } 16087c478bd9Sstevel@tonic-gate 16097c478bd9Sstevel@tonic-gate /* 16107c478bd9Sstevel@tonic-gate * No, UINTMAX_MAX isn't the right thing here since 16117c478bd9Sstevel@tonic-gate * it is #defined to be either INT32_MAX or INT64_MAX 16127c478bd9Sstevel@tonic-gate * depending on the whether _LP64 is defined. 16137c478bd9Sstevel@tonic-gate * 16147c478bd9Sstevel@tonic-gate * We want to handle the odd future case of having 16157c478bd9Sstevel@tonic-gate * ulonglong_t be more than 64 bits but we have 16167c478bd9Sstevel@tonic-gate * no nice #define MAX value we can drop in place 16177c478bd9Sstevel@tonic-gate * without having to change this code in the future. 16187c478bd9Sstevel@tonic-gate */ 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate u_longlong_t 16217c478bd9Sstevel@tonic-gate ull_delta(u_longlong_t old, u_longlong_t new) 16227c478bd9Sstevel@tonic-gate { 16237c478bd9Sstevel@tonic-gate if (new >= old) 16247c478bd9Sstevel@tonic-gate return (new - old); 16257c478bd9Sstevel@tonic-gate else 16267c478bd9Sstevel@tonic-gate return ((UINT64_MAX - old) + new + 1); 16277c478bd9Sstevel@tonic-gate } 16287c478bd9Sstevel@tonic-gate 16297c478bd9Sstevel@tonic-gate /* 16307c478bd9Sstevel@tonic-gate * Return the number of ticks delta between two hrtime_t 16317c478bd9Sstevel@tonic-gate * values. Attempt to cater for various kinds of overflow 16327c478bd9Sstevel@tonic-gate * in hrtime_t - no matter how improbable. 16337c478bd9Sstevel@tonic-gate */ 16347c478bd9Sstevel@tonic-gate uint64_t 16357c478bd9Sstevel@tonic-gate hrtime_delta(hrtime_t old, hrtime_t new) 16367c478bd9Sstevel@tonic-gate { 16377c478bd9Sstevel@tonic-gate uint64_t del; 16387c478bd9Sstevel@tonic-gate 16397c478bd9Sstevel@tonic-gate if ((new >= old) && (old >= 0L)) 16407c478bd9Sstevel@tonic-gate return (new - old); 16417c478bd9Sstevel@tonic-gate else { 16427c478bd9Sstevel@tonic-gate /* 16437c478bd9Sstevel@tonic-gate * We've overflowed the positive portion of an 16447c478bd9Sstevel@tonic-gate * hrtime_t. 16457c478bd9Sstevel@tonic-gate */ 16467c478bd9Sstevel@tonic-gate if (new < 0L) { 16477c478bd9Sstevel@tonic-gate /* 16487c478bd9Sstevel@tonic-gate * The new value is negative. Handle the 16497c478bd9Sstevel@tonic-gate * case where the old value is positive or 16507c478bd9Sstevel@tonic-gate * negative. 16517c478bd9Sstevel@tonic-gate */ 16527c478bd9Sstevel@tonic-gate uint64_t n1; 16537c478bd9Sstevel@tonic-gate uint64_t o1; 16547c478bd9Sstevel@tonic-gate 16557c478bd9Sstevel@tonic-gate n1 = -new; 16567c478bd9Sstevel@tonic-gate if (old > 0L) 16577c478bd9Sstevel@tonic-gate return (n1 - old); 16587c478bd9Sstevel@tonic-gate else { 16597c478bd9Sstevel@tonic-gate o1 = -old; 16607c478bd9Sstevel@tonic-gate del = n1 - o1; 16617c478bd9Sstevel@tonic-gate return (del); 16627c478bd9Sstevel@tonic-gate } 16637c478bd9Sstevel@tonic-gate } else { 16647c478bd9Sstevel@tonic-gate /* 16657c478bd9Sstevel@tonic-gate * Either we've just gone from being negative 16667c478bd9Sstevel@tonic-gate * to positive *or* the last entry was positive 16677c478bd9Sstevel@tonic-gate * and the new entry is also positive but *less* 16687c478bd9Sstevel@tonic-gate * than the old entry. This implies we waited 16697c478bd9Sstevel@tonic-gate * quite a few days on a very fast system between 16707c478bd9Sstevel@tonic-gate * iostat displays. 16717c478bd9Sstevel@tonic-gate */ 16727c478bd9Sstevel@tonic-gate if (old < 0L) { 16737c478bd9Sstevel@tonic-gate uint64_t o2; 16747c478bd9Sstevel@tonic-gate 16757c478bd9Sstevel@tonic-gate o2 = -old; 16767c478bd9Sstevel@tonic-gate del = UINT64_MAX - o2; 16777c478bd9Sstevel@tonic-gate } else { 16787c478bd9Sstevel@tonic-gate del = UINT64_MAX - old; 16797c478bd9Sstevel@tonic-gate } 16807c478bd9Sstevel@tonic-gate del += new; 16817c478bd9Sstevel@tonic-gate return (del); 16827c478bd9Sstevel@tonic-gate } 16837c478bd9Sstevel@tonic-gate } 16847c478bd9Sstevel@tonic-gate } 16857c478bd9Sstevel@tonic-gate 16867c478bd9Sstevel@tonic-gate /* 16877c478bd9Sstevel@tonic-gate * Take the difference of an unsigned 32 16887c478bd9Sstevel@tonic-gate * bit int attempting to cater for 16897c478bd9Sstevel@tonic-gate * overflow. 16907c478bd9Sstevel@tonic-gate */ 16917c478bd9Sstevel@tonic-gate uint_t 16927c478bd9Sstevel@tonic-gate u32_delta(uint_t old, uint_t new) 16937c478bd9Sstevel@tonic-gate { 16947c478bd9Sstevel@tonic-gate if (new >= old) 16957c478bd9Sstevel@tonic-gate return (new - old); 16967c478bd9Sstevel@tonic-gate else 16977c478bd9Sstevel@tonic-gate return ((UINT32_MAX - old) + new + 1); 16987c478bd9Sstevel@tonic-gate } 16997c478bd9Sstevel@tonic-gate 17007c478bd9Sstevel@tonic-gate /* 17017c478bd9Sstevel@tonic-gate * Create and arm the timer. Used only when an interval has been specified. 17027c478bd9Sstevel@tonic-gate * Used in lieu of poll to ensure that we provide info for exactly the 17037c478bd9Sstevel@tonic-gate * desired period. 17047c478bd9Sstevel@tonic-gate */ 17057c478bd9Sstevel@tonic-gate void 17067c478bd9Sstevel@tonic-gate set_timer(int interval) 17077c478bd9Sstevel@tonic-gate { 17087c478bd9Sstevel@tonic-gate timer_t t_id; 17097c478bd9Sstevel@tonic-gate itimerspec_t time_struct; 17107c478bd9Sstevel@tonic-gate struct sigevent sig_struct; 17117c478bd9Sstevel@tonic-gate struct sigaction act; 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate bzero(&sig_struct, sizeof (struct sigevent)); 17147c478bd9Sstevel@tonic-gate bzero(&act, sizeof (struct sigaction)); 17157c478bd9Sstevel@tonic-gate 17167c478bd9Sstevel@tonic-gate /* Create timer */ 17177c478bd9Sstevel@tonic-gate sig_struct.sigev_notify = SIGEV_SIGNAL; 17187c478bd9Sstevel@tonic-gate sig_struct.sigev_signo = SIGUSR1; 17197c478bd9Sstevel@tonic-gate sig_struct.sigev_value.sival_int = 0; 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate if (timer_create(CLOCK_REALTIME, &sig_struct, &t_id) != 0) { 17227c478bd9Sstevel@tonic-gate fail(1, "Timer creation failed"); 17237c478bd9Sstevel@tonic-gate } 17247c478bd9Sstevel@tonic-gate 17257c478bd9Sstevel@tonic-gate act.sa_handler = handle_sig; 17267c478bd9Sstevel@tonic-gate 17277c478bd9Sstevel@tonic-gate if (sigaction(SIGUSR1, &act, NULL) != 0) { 17287c478bd9Sstevel@tonic-gate fail(1, "Could not set up signal handler"); 17297c478bd9Sstevel@tonic-gate } 17307c478bd9Sstevel@tonic-gate 17317c478bd9Sstevel@tonic-gate time_struct.it_value.tv_sec = interval; 17327c478bd9Sstevel@tonic-gate time_struct.it_value.tv_nsec = 0; 17337c478bd9Sstevel@tonic-gate time_struct.it_interval.tv_sec = interval; 17347c478bd9Sstevel@tonic-gate time_struct.it_interval.tv_nsec = 0; 17357c478bd9Sstevel@tonic-gate 17367c478bd9Sstevel@tonic-gate /* Arm timer */ 17377c478bd9Sstevel@tonic-gate if ((timer_settime(t_id, 0, &time_struct, NULL)) != 0) { 17387c478bd9Sstevel@tonic-gate fail(1, "Setting timer failed"); 17397c478bd9Sstevel@tonic-gate } 17407c478bd9Sstevel@tonic-gate } 17417c478bd9Sstevel@tonic-gate /* ARGSUSED */ 17427c478bd9Sstevel@tonic-gate void 17437c478bd9Sstevel@tonic-gate handle_sig(int x) 17447c478bd9Sstevel@tonic-gate { 17457c478bd9Sstevel@tonic-gate } 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate /* 17487c478bd9Sstevel@tonic-gate * This is exactly what is needed for standard iostat output, 17497c478bd9Sstevel@tonic-gate * but make sure to use it only for that 17507c478bd9Sstevel@tonic-gate */ 17517c478bd9Sstevel@tonic-gate #define EPSILON (0.1) 17527c478bd9Sstevel@tonic-gate static int 17537c478bd9Sstevel@tonic-gate fzero(double value) 17547c478bd9Sstevel@tonic-gate { 17557c478bd9Sstevel@tonic-gate return (value >= 0.0 && value < EPSILON); 17567c478bd9Sstevel@tonic-gate } 17577c478bd9Sstevel@tonic-gate 17587c478bd9Sstevel@tonic-gate static int 17597c478bd9Sstevel@tonic-gate safe_strtoi(char const *val, char *errmsg) 17607c478bd9Sstevel@tonic-gate { 17617c478bd9Sstevel@tonic-gate char *end; 17627c478bd9Sstevel@tonic-gate long tmp; 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate errno = 0; 17657c478bd9Sstevel@tonic-gate tmp = strtol(val, &end, 10); 17667c478bd9Sstevel@tonic-gate if (*end != '\0' || errno) 17677c478bd9Sstevel@tonic-gate fail(0, "%s %s", errmsg, val); 17687c478bd9Sstevel@tonic-gate return ((int)tmp); 17697c478bd9Sstevel@tonic-gate } 1770