dvmstat revision 1.1.1.1
1 #!/usr/bin/sh 2 # 3 # dvmstat - vmstat by PID/name/command. 4 # Written using DTrace (Solaris 10 3/05). 5 # 6 # This program provides vmstat like data for one particular PID, a 7 # process name, or when running a command. It prints statistics 8 # every second. 9 # 10 # $Id: dvmstat,v 1.1.1.1 2015/09/30 22:01:06 christos Exp $ 11 # 12 # USAGE: dvmstat { -p PID | -n name | command } 13 # eg, 14 # dvmstat -p 1871 # examine PID 1871 15 # dvmstat -n tar # examine processes called "tar" 16 # dvmstat df -h # run and examine "df -h" 17 # 18 # FIELDS: 19 # re page reclaims Kbytes 20 # maj major faults Kbytes 21 # mf minor faults Kbytes 22 # fr page frees Kbytes 23 # epi executable page ins Kbytes 24 # epo executable page out Kbytes 25 # api anonymous page ins Kbytes 26 # apo anonymous page outs Kbytes 27 # fpi filesystem page ins Kbytes 28 # fpo filesystem page outs Kbytes 29 # sy system calls number 30 # 31 # SEE ALSO: vmstat(1M) 32 # 33 # NOTES: 34 # 35 # When using dvmstat to run a command - if the command takes some time 36 # to execute, dvmstat will print output every second. If the command runs 37 # in less than a second, then the only one line of output will be printed. 38 # 39 # COPYRIGHT: Copyright (c) 2005 Brendan Gregg. 40 # 41 # CDDL HEADER START 42 # 43 # The contents of this file are subject to the terms of the 44 # Common Development and Distribution License, Version 1.0 only 45 # (the "License"). You may not use this file except in compliance 46 # with the License. 47 # 48 # You can obtain a copy of the license at Docs/cddl1.txt 49 # or http://www.opensolaris.org/os/licensing. 50 # See the License for the specific language governing permissions 51 # and limitations under the License. 52 # 53 # CDDL HEADER END 54 # 55 # Author: Brendan Gregg [Sydney, Australia] 56 # 57 # 12-Jun-2005 Brendan Gregg Created this. 58 # 08-Jan-2006 " " Last update. 59 # 60 61 ############################## 62 # --- Process Arguments --- 63 # 64 65 ### Default variables 66 opt_pid=0; opt_name=0; pid=0; pname="."; opt_command=0; command="" 67 68 ### Process options 69 while getopts hn:p: name 70 do 71 case $name in 72 p) opt_pid=1; pid=$OPTARG ;; 73 n) opt_name=1; pname=$OPTARG ;; 74 h|?) cat <<-END >&2 75 USAGE: dvmstat [-h] { -p PID | -n name | command } 76 -p PID # examine this PID 77 -n name # examine this process name 78 eg, 79 dvmstat -p 1871 # examine PID 1871 80 dvmstat -n tar # examine processes called "tar" 81 dvmstat df -h # run and examine "df -h" 82 END 83 exit 1 84 esac 85 done 86 shift `expr $OPTIND - 1` 87 88 89 ### Option logic 90 if [ $opt_pid -eq 0 -a $opt_name -eq 0 ]; then 91 opt_command=1 92 if [ "$*" = "" ]; then 93 $0 -h 94 exit 95 fi 96 command="$*" 97 fi 98 99 100 ################################# 101 # --- Main Program, DTrace --- 102 # 103 dtrace=' 104 #pragma D option quiet 105 106 /* 107 * Command line arguments 108 */ 109 inline int OPT_pid = '$opt_pid'; 110 inline int OPT_name = '$opt_name'; 111 inline int OPT_command = '$opt_command'; 112 inline int PID = '$pid'; 113 inline string NAME = "'$pname'"; 114 inline string COMMAND = "'$command'"; 115 inline int SCREEN = 21; 116 117 /* 118 * Initialise variables 119 */ 120 dtrace:::BEGIN 121 { 122 epi = 0; epo = 0; api = 0; apo = 0; fpi = 0; fpo = 0; 123 re = 0; mf = 0; maj = 0; fr = 0; sy = 0; 124 lines = SCREEN + 1; 125 header = 0; 126 } 127 128 /* 129 * Print header 130 */ 131 dtrace:::BEGIN, 132 dtrace:::END, 133 profile:::tick-1sec 134 /(OPT_command && probename == "END") || 135 (!(OPT_command && probename == "BEGIN") && lines++ > SCREEN)/ 136 { 137 printf("%6s %5s %5s %4s %4s %4s %4s %4s %4s %4s %6s\n", 138 "re", "maj", "mf", "fr", "epi", "epo", "api", "apo", 139 "fpi", "fpo", "sy"); 140 lines = 0; 141 } 142 143 /* 144 * Probe events 145 * 146 * this intentionally does not use an associative array for storing data, 147 * for reasons of performance. 148 */ 149 150 vminfo:::execpgin 151 /(OPT_pid && pid == PID) || 152 (OPT_name && execname == NAME) || 153 (OPT_command && pid == $target)/ 154 { epi += arg0; } 155 156 vminfo:::execpgout 157 /(OPT_pid && pid == PID) || 158 (OPT_name && execname == NAME) || 159 (OPT_command && pid == $target)/ 160 { epo += arg0; } 161 162 vminfo:::anonpgin 163 /(OPT_pid && pid == PID) || 164 (OPT_name && execname == NAME) || 165 (OPT_command && pid == $target)/ 166 { api += arg0; } 167 168 vminfo:::anonpgout 169 /(OPT_pid && pid == PID) || 170 (OPT_name && execname == NAME) || 171 (OPT_command && pid == $target)/ 172 { apo += arg0; } 173 174 vminfo:::fspgin 175 /(OPT_pid && pid == PID) || 176 (OPT_name && execname == NAME) || 177 (OPT_command && pid == $target)/ 178 { fpi += arg0; } 179 180 vminfo:::fspgout 181 /(OPT_pid && pid == PID) || 182 (OPT_name && execname == NAME) || 183 (OPT_command && pid == $target)/ 184 { fpo += arg0; } 185 186 vminfo:::pgrec 187 /(OPT_pid && pid == PID) || 188 (OPT_name && execname == NAME) || 189 (OPT_command && pid == $target)/ 190 { re += arg0; } 191 192 vminfo:::as_fault 193 /(OPT_pid && pid == PID) || 194 (OPT_name && execname == NAME) || 195 (OPT_command && pid == $target)/ 196 { mf += arg0; } 197 198 vminfo:::maj_fault 199 /(OPT_pid && pid == PID) || 200 (OPT_name && execname == NAME) || 201 (OPT_command && pid == $target)/ 202 { maj += arg0; } 203 204 vminfo:::dfree 205 /(OPT_pid && pid == PID) || 206 (OPT_name && execname == NAME) || 207 (OPT_command && pid == $target)/ 208 { fr += arg0; } 209 210 syscall:::entry 211 /(OPT_pid && pid == PID) || 212 (OPT_name && execname == NAME) || 213 (OPT_command && pid == $target)/ 214 { sy++; } 215 216 /* 217 * Print output line 218 */ 219 profile:::tick-1sec, 220 dtrace:::END 221 { 222 /* convert to Kbytes */ 223 re *= `_pagesize / 1024; 224 maj *= `_pagesize / 1024; 225 mf *= `_pagesize / 1024; 226 fr *= `_pagesize / 1024; 227 epi *= `_pagesize / 1024; 228 epo *= `_pagesize / 1024; 229 api *= `_pagesize / 1024; 230 apo *= `_pagesize / 1024; 231 fpi *= `_pagesize / 1024; 232 fpo *= `_pagesize / 1024; 233 234 /* print line */ 235 printf("%6d %5d %5d %4d %4d %4d %4d %4d %4d %4d %6d\n", 236 re, maj, mf, fr, epi, epo, api, apo, fpi, fpo, sy); 237 238 /* clear counters */ 239 epi = 0; epo = 0; api = 0; apo = 0; fpi = 0; fpo = 0; 240 re = 0; mf = 0; maj = 0; fr = 0; sy = 0; 241 } 242 ' 243 244 ### Run DTrace 245 if [ $opt_command -eq 1 ]; then 246 /usr/sbin/dtrace -n "$dtrace" -x evaltime=exec -c "$command" >&2 247 else 248 /usr/sbin/dtrace -n "$dtrace" >&2 249 fi 250 251
Indexes created Wed Jul 15 00:26:21 UTC 2026