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/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/sysctl.h> 34 #include <sys/user.h> 35 36 #include <libprocstat.h> 37 #include <stdbool.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <libutil.h> 41 42 #include "procstat.h" 43 44 static struct { 45 const char *ri_name; 46 bool ri_humanize; 47 int ri_scale; 48 } rusage_info[] = { 49 { "maximum RSS", true, 1 }, 50 { "integral shared memory", true, 1 }, 51 { "integral unshared data", true, 1 }, 52 { "integral unshared stack", true, 1 }, 53 { "page reclaims", false, 0 }, 54 { "page faults", false, 0 }, 55 { "swaps", false, 0 }, 56 { "block reads", false, 0 }, 57 { "block writes", false, 0 }, 58 { "messages sent", false, 0 }, 59 { "messages received", false, 0 }, 60 { "signals received", false, 0 }, 61 { "voluntary context switches", false, 0 }, 62 { "involuntary context switches", false, 0 } 63 }; 64 65 /* xxx days hh:mm:ss.uuuuuu */ 66 static const char * 67 format_time(struct timeval *tv) 68 { 69 static char buffer[32]; 70 int days, hours, minutes, seconds, used; 71 72 minutes = tv->tv_sec / 60; 73 seconds = tv->tv_sec % 60; 74 hours = minutes / 60; 75 minutes %= 60; 76 days = hours / 24; 77 hours %= 24; 78 used = 0; 79 if (days == 1) 80 used += snprintf(buffer, sizeof(buffer), "1 day "); 81 else if (days > 0) 82 used += snprintf(buffer, sizeof(buffer), "%u days ", days); 83 84 snprintf(buffer + used, sizeof(buffer) - used, "%02u:%02u:%02u.%06u", 85 hours, minutes, seconds, (unsigned int)tv->tv_usec); 86 return (buffer); 87 } 88 89 static const char * 90 format_value(long value, bool humanize, int scale) 91 { 92 static char buffer[14]; 93 94 if (scale != 0) 95 value <<= scale * 10; 96 if (humanize) 97 humanize_number(buffer, sizeof(buffer), value, "B", 98 scale, HN_DECIMAL); 99 else 100 snprintf(buffer, sizeof(buffer), "%ld ", value); 101 return (buffer); 102 } 103 104 static void 105 print_prefix(struct kinfo_proc *kipp) 106 { 107 108 xo_emit("{d:process_id/%5d/%d} ", kipp->ki_pid); 109 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 110 xo_emit("{d:thread_id/%6d/%d} ", kipp->ki_tid); 111 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm); 112 } 113 114 static void 115 print_rusage(struct kinfo_proc *kipp) 116 { 117 long *lp; 118 unsigned int i; 119 char *field, *threadid; 120 121 print_prefix(kipp); 122 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "user time", 123 format_time(&kipp->ki_rusage.ru_utime)); 124 print_prefix(kipp); 125 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "system time", 126 format_time(&kipp->ki_rusage.ru_stime)); 127 128 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 129 asprintf(&threadid, "%d", kipp->ki_tid); 130 if (threadid == NULL) 131 xo_errc(1, ENOMEM, 132 "Failed to allocate memory in print_rusage()"); 133 xo_open_container(threadid); 134 xo_emit("{e:thread_id/%d}", kipp->ki_tid); 135 } else { 136 xo_emit("{e:process_id/%d}", kipp->ki_pid); 137 xo_emit("{e:command/%s}", kipp->ki_comm); 138 } 139 xo_emit("{e:user time/%s}", format_time(&kipp->ki_rusage.ru_utime)); 140 xo_emit("{e:system time/%s}", format_time(&kipp->ki_rusage.ru_stime)); 141 142 lp = &kipp->ki_rusage.ru_maxrss; 143 for (i = 0; i < nitems(rusage_info); i++) { 144 print_prefix(kipp); 145 asprintf(&field, "{e:%s/%%D}", rusage_info[i].ri_name); 146 if (field == NULL) 147 xo_errc(1, ENOMEM, 148 "Failed to allocate memory in print_rusage()"); 149 xo_emit(field, *lp); 150 free(field); 151 xo_emit("{d:resource/%-32s} {d:usage/%14s}\n", 152 rusage_info[i].ri_name, 153 format_value(*lp, rusage_info[i].ri_humanize, 154 rusage_info[i].ri_scale)); 155 lp++; 156 } 157 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 158 xo_close_container(threadid); 159 free(threadid); 160 } 161 } 162 163 void 164 procstat_rusage(struct procstat *procstat, struct kinfo_proc *kipp) 165 { 166 struct kinfo_proc *kip; 167 unsigned int count, i; 168 169 if ((procstat_opts & PS_OPT_NOHEADER) == 0) { 170 xo_emit("{d:ta/%5s} ", "PID"); 171 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 172 xo_emit("{d:tb/%6s} ", "TID"); 173 xo_emit("{d:tc/%-16s %-32s %14s}\n", "COMM", "RESOURCE", 174 "VALUE "); 175 } 176 177 if ((procstat_opts & PS_OPT_PERTHREAD) == 0) { 178 print_rusage(kipp); 179 return; 180 } 181 182 xo_emit("{e:process_id/%d}", kipp->ki_pid); 183 xo_emit("{e:command/%s}", kipp->ki_comm); 184 xo_open_container("threads"); 185 186 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 187 kipp->ki_pid, &count); 188 if (kip == NULL) 189 return; 190 kinfo_proc_sort(kip, count); 191 for (i = 0; i < count; i++) { 192 print_rusage(&kip[i]); 193 } 194 195 xo_close_container("threads"); 196 procstat_freeprocs(procstat, kip); 197 } 198