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 #include <sys/param.h> 31 #include <sys/sysctl.h> 32 #include <sys/user.h> 33 34 #include <libprocstat.h> 35 #include <stdbool.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <libutil.h> 39 40 #include "procstat.h" 41 42 static 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 */ 64 static const char * 65 format_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 87 static const char * 88 format_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 } 101 102 static void 103 print_prefix(struct kinfo_proc *kipp) 104 { 105 106 xo_emit("{d:process_id/%5d/%d} ", kipp->ki_pid); 107 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 108 xo_emit("{d:thread_id/%6d/%d} ", kipp->ki_tid); 109 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm); 110 } 111 112 static void 113 print_rusage(struct kinfo_proc *kipp) 114 { 115 long *lp; 116 unsigned int i; 117 char *field, *threadid; 118 119 print_prefix(kipp); 120 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "user time", 121 format_time(&kipp->ki_rusage.ru_utime)); 122 print_prefix(kipp); 123 xo_emit("{d:resource/%-14s} {d:usage/%29s}{P: }\n", "system time", 124 format_time(&kipp->ki_rusage.ru_stime)); 125 126 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 127 asprintf(&threadid, "%d", kipp->ki_tid); 128 if (threadid == NULL) 129 xo_errc(1, ENOMEM, 130 "Failed to allocate memory in print_rusage()"); 131 xo_open_container(threadid); 132 xo_emit("{e:thread_id/%d}", kipp->ki_tid); 133 } else { 134 xo_emit("{e:process_id/%d}", kipp->ki_pid); 135 xo_emit("{e:command/%s}", kipp->ki_comm); 136 } 137 xo_emit("{e:user time/%s}", format_time(&kipp->ki_rusage.ru_utime)); 138 xo_emit("{e:system time/%s}", format_time(&kipp->ki_rusage.ru_stime)); 139 140 lp = &kipp->ki_rusage.ru_maxrss; 141 for (i = 0; i < nitems(rusage_info); i++) { 142 print_prefix(kipp); 143 asprintf(&field, "{e:%s/%%D}", rusage_info[i].ri_name); 144 if (field == NULL) 145 xo_errc(1, ENOMEM, 146 "Failed to allocate memory in print_rusage()"); 147 xo_emit(field, *lp); 148 free(field); 149 xo_emit("{d:resource/%-32s} {d:usage/%14s}\n", 150 rusage_info[i].ri_name, 151 format_value(*lp, rusage_info[i].ri_humanize, 152 rusage_info[i].ri_scale)); 153 lp++; 154 } 155 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) { 156 xo_close_container(threadid); 157 free(threadid); 158 } 159 } 160 161 void 162 procstat_rusage(struct procstat *procstat, struct kinfo_proc *kipp) 163 { 164 struct kinfo_proc *kip; 165 unsigned int count, i; 166 167 if ((procstat_opts & PS_OPT_NOHEADER) == 0) { 168 xo_emit("{d:ta/%5s} ", "PID"); 169 if ((procstat_opts & PS_OPT_PERTHREAD) != 0) 170 xo_emit("{d:tb/%6s} ", "TID"); 171 xo_emit("{d:tc/%-16s %-32s %14s}\n", "COMM", "RESOURCE", 172 "VALUE "); 173 } 174 175 if ((procstat_opts & PS_OPT_PERTHREAD) == 0) { 176 print_rusage(kipp); 177 return; 178 } 179 180 xo_emit("{e:process_id/%d}", kipp->ki_pid); 181 xo_emit("{e:command/%s}", kipp->ki_comm); 182 xo_open_container("threads"); 183 184 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 185 kipp->ki_pid, &count); 186 if (kip == NULL) 187 return; 188 kinfo_proc_sort(kip, count); 189 for (i = 0; i < count; i++) { 190 print_rusage(&kip[i]); 191 } 192 193 xo_close_container("threads"); 194 procstat_freeprocs(procstat, kip); 195 } 196