1/*- 2 * Copyright (c) 2012 Hudson River Trading LLC 3 * Written by: John H. Baldwin <jhb@FreeBSD.org> 4 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/param.h> 30#include <sys/sysctl.h> 31#include <sys/user.h> 32 33#include <libprocstat.h> 34#include <stdbool.h> 35#include <stdio.h> 36#include <stdlib.h> 37#include <libutil.h> 38 39#include "procstat.h" 40 41static struct { 42 const char *ri_name; 43 bool ri_humanize; 44 int ri_scale; 45} rusage_info[] = { 46 { "maximum RSS", true, 1 }, 47 { "integral shared memory", true, 1 }, 48 { "integral unshared data", true, 1 }, 49 { "integral unshared stack", true, 1 }, 50 { "page reclaims", false, 0 }, 51 { "page faults", false, 0 }, 52 { "swaps", false, 0 }, 53 { "block reads", false, 0 }, 54 { "block writes", false, 0 }, 55 { "messages sent", false, 0 }, 56 { "messages received", false, 0 }, 57 { "signals received", false, 0 }, 58 { "voluntary context switches", false, 0 }, 59 { "involuntary context switches", false, 0 } 60}; 61 62/* xxx days hh:mm:ss.uuuuuu */ 63static const char * 64format_time(struct timeval *tv) 65{ 66 static char buffer[32]; 67 int days, hours, minutes, seconds, used; 68 69 minutes = tv->tv_sec / 60; 70 seconds = tv->tv_sec % 60; 71 hours = minutes / 60; 72 minutes %= 60; 73 days = hours / 24; 74 hours %= 24; 75 used = 0; 76 if (days == 1) 77 used += snprintf(buffer, sizeof(buffer), "1 day "); 78 else if (days > 0) 79 used += snprintf(buffer, sizeof(buffer), "%u days ", days); 80 81 snprintf(buffer + used, sizeof(buffer) - used, "%02u:%02u:%02u.%06u", 82 hours, minutes, seconds, (unsigned int)tv->tv_usec); 83 return (buffer); 84} 85 86static const char * 87format_value(long value, bool humanize, int scale) 88{ 89 static char buffer[14]; 90 91 if (scale != 0) 92 value <<= scale * 10; 93 if (humanize) 94 humanize_number(buffer, sizeof(buffer), value, "B", 95 scale, HN_DECIMAL); 96 else 97 snprintf(buffer, sizeof(buffer), "%ld ", value); 98 return (buffer); 99} 100 101static void 102print_prefix(struct kinfo_proc *kipp) 103{ 104 105 xo_emit("{d:process_id/%5d/%d} ", kipp->ki_pid); 106 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 107 xo_emit("{d:thread_id/%6d/%d} ", kipp->ki_tid); 108 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm); 109} 110 111static void 112print_rusage(struct kinfo_proc *kipp) 113{ 114 long *lp; 115 unsigned int i; 116 char *field, *threadid; 117 118 print_prefix(kipp); 119 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "user time", 120 format_time(&kipp->ki_rusage.ru_utime)); 121 print_prefix(kipp); 122 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "system time", 123 format_time(&kipp->ki_rusage.ru_stime)); 124 125 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 126 asprintf(&threadid, "%d", kipp->ki_tid); 127 if (threadid == NULL) 128 xo_errc(1, ENOMEM, 129 "Failed to allocate memory in print_rusage()"); 130 xo_open_container(threadid); 131 xo_emit("{e:thread_id/%d}", kipp->ki_tid); 132 } else { 133 xo_emit("{e:process_id/%d}", kipp->ki_pid); 134 xo_emit("{e:command/%s}", kipp->ki_comm); 135 } 136 xo_emit("{e:user time/%s}", format_time(&kipp->ki_rusage.ru_utime)); 137 xo_emit("{e:system time/%s}", format_time(&kipp->ki_rusage.ru_stime)); 138 139 lp = &kipp->ki_rusage.ru_maxrss; 140 for (i = 0; i < nitems(rusage_info); i++) { 141 print_prefix(kipp); 142 asprintf(&field, "{e:%s/%%D}", rusage_info[i].ri_name); 143 if (field == NULL) 144 xo_errc(1, ENOMEM, 145 "Failed to allocate memory in print_rusage()"); 146 xo_emit(field, *lp); 147 free(field); 148 xo_emit("{d:resource/%-32s} {d:usage/%14s}\n", 149 rusage_info[i].ri_name, 150 format_value(*lp, rusage_info[i].ri_humanize, 151 rusage_info[i].ri_scale)); 152 lp++; 153 } 154 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 155 xo_close_container(threadid); 156 free(threadid); 157 } 158} 159 160void 161procstat_rusage(struct procstat *procstat, struct kinfo_proc *kipp) 162{ 163 struct kinfo_proc *kip; 164 unsigned int count, i; 165 166 if ((procstat_opts & PS_OPT_NOHEADER) == 0) { 167 xo_emit("{d:ta/%5s} ", "PID"); 168 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 169 xo_emit("{d:tb/%6s} ", "TID"); 170 xo_emit("{d:tc/%-16s %-32s %14s}\n", "COMM", "RESOURCE", 171 "VALUE "); 172 } 173 174 if ((procstat_opts & PS_OPT_PERTHREAD) == 0) { 175 print_rusage(kipp); 176 return; 177 } 178 179 xo_emit("{e:process_id/%d}", kipp->ki_pid); 180 xo_emit("{e:command/%s}", kipp->ki_comm); 181 xo_open_container("threads"); 182 183 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 184 kipp->ki_pid, &count); 185 if (kip == NULL) 186 return; 187 kinfo_proc_sort(kip, count); 188 for (i = 0; i < count; i++) { 189 print_rusage(&kip[i]); 190 } 191 192 xo_close_container("threads"); 193 procstat_freeprocs(procstat, kip); 194} 195