procstat_rusage.c revision 267979
1/*- 2 * Copyright (c) 2012 Advanced Computing Technologies LLC 3 * Written by: John H. Baldwin <jhb@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: stable/10/usr.bin/procstat/procstat_rusage.c 267979 2014-06-27 20:34:22Z jhb $"); 30 31#include <sys/param.h> 32#include <sys/sysctl.h> 33#include <sys/user.h> 34 35#include <libprocstat.h> 36#include <stdbool.h> 37#include <stdio.h> 38#include <libutil.h> 39 40#include "procstat.h" 41 42static struct { 43 const char *ri_name; 44 bool ri_humanize; 45 int ri_scale; 46} rusage_info[] = { 47 { "maximum RSS", true, 1 }, 48 { "integral shared memory", true, 1 }, 49 { "integral unshared data", true, 1 }, 50 { "integral unshared stack", true, 1 }, 51 { "page reclaims", false, 0 }, 52 { "page faults", false, 0 }, 53 { "swaps", false, 0 }, 54 { "block reads", false, 0 }, 55 { "block writes", false, 0 }, 56 { "messages sent", false, 0 }, 57 { "messages received", false, 0 }, 58 { "signals received", false, 0 }, 59 { "voluntary context switches", false, 0 }, 60 { "involuntary context switches", false, 0 } 61}; 62 63/* xxx days hh:mm:ss.uuuuuu */ 64static const char * 65format_time(struct timeval *tv) 66{ 67 static char buffer[32]; 68 int days, hours, minutes, seconds, used; 69 70 minutes = tv->tv_sec / 60; 71 seconds = tv->tv_sec % 60; 72 hours = minutes / 60; 73 minutes %= 60; 74 days = hours / 24; 75 hours %= 24; 76 used = 0; 77 if (days == 1) 78 used += snprintf(buffer, sizeof(buffer), "1 day "); 79 else if (days > 0) 80 used += snprintf(buffer, sizeof(buffer), "%u days ", days); 81 82 snprintf(buffer + used, sizeof(buffer) - used, "%02u:%02u:%02u.%06u ", 83 hours, minutes, seconds, (unsigned int)tv->tv_usec); 84 return (buffer); 85} 86 87static const char * 88format_value(long value, bool humanize, int scale) 89{ 90 static char buffer[14]; 91 92 if (scale != 0) 93 value <<= scale * 10; 94 if (humanize) 95 humanize_number(buffer, sizeof(buffer), value, "B", 96 scale, HN_DECIMAL); 97 else 98 snprintf(buffer, sizeof(buffer), "%ld ", value); 99 return (buffer); 100} 101 102static void 103print_prefix(struct kinfo_proc *kipp) 104{ 105 106 printf("%5d ", kipp->ki_pid); 107 if (Hflag) 108 printf("%6d ", kipp->ki_tid); 109 printf("%-16s ", kipp->ki_comm); 110} 111 112static void 113print_rusage(struct kinfo_proc *kipp) 114{ 115 long *lp; 116 unsigned int i; 117 118 print_prefix(kipp); 119 printf("%-14s %32s\n", "user time", 120 format_time(&kipp->ki_rusage.ru_utime)); 121 print_prefix(kipp); 122 printf("%-14s %32s\n", "system time", 123 format_time(&kipp->ki_rusage.ru_stime)); 124 lp = &kipp->ki_rusage.ru_maxrss; 125 for (i = 0; i < nitems(rusage_info); i++) { 126 print_prefix(kipp); 127 printf("%-32s %14s\n", rusage_info[i].ri_name, 128 format_value(*lp, rusage_info[i].ri_humanize, 129 rusage_info[i].ri_scale)); 130 lp++; 131 } 132} 133 134void 135procstat_rusage(struct procstat *procstat, struct kinfo_proc *kipp) 136{ 137 struct kinfo_proc *kip; 138 unsigned int count, i; 139 140 if (!hflag) { 141 printf("%5s ", "PID"); 142 if (Hflag) 143 printf("%6s ", "TID"); 144 printf("%-16s %-32s %14s\n", "COMM", "TYPE", "VALUE "); 145 } 146 147 if (!Hflag) { 148 print_rusage(kipp); 149 return; 150 } 151 152 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 153 kipp->ki_pid, &count); 154 if (kip == NULL) 155 return; 156 kinfo_proc_sort(kip, count); 157 for (i = 0; i < count; i++) 158 print_rusage(&kip[i]); 159 procstat_freeprocs(procstat, kip); 160} 161