tools/footprint/watch.sh

   1 #!/bin/sh
   2 #
   3 # ***** BEGIN LICENSE BLOCK *****
   4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 #
   6 # The contents of this file are subject to the Mozilla Public License Version
   7 # 1.1 (the "License"); you may not use this file except in compliance with
   8 # the License. You may obtain a copy of the License at
   9 # http://www.mozilla.org/MPL/
  10 #
  11 # Software distributed under the License is distributed on an "AS IS" basis,
  12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13 # for the specific language governing rights and limitations under the
  14 # License.
  15 #
  16 # The Original Code is linux.gnuplot.in, released
  17 # November 13, 2000.
  18 #
  19 # The Initial Developer of the Original Code is
  20 # Netscape Communications Corporation.
  21 # Portions created by the Initial Developer are Copyright (C) 2000
  22 # the Initial Developer. All Rights Reserved.
  23 #
  24 # Contributor(s):
  25 #   Chris Waterson <waterson@netscape.com>
  26 #
  27 # Alternatively, the contents of this file may be used under the terms of
  28 # either the GNU General Public License Version 2 or later (the "GPL"), or
  29 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  30 # in which case the provisions of the GPL or the LGPL are applicable instead
  31 # of those above. If you wish to allow use of your version of this file only
  32 # under the terms of either the GPL or the LGPL, and not to allow others to
  33 # use your version of this file under the terms of the MPL, indicate your
  34 # decision by deleting the provisions above and replace them with the notice
  35 # and other provisions required by the GPL or the LGPL. If you do not delete
  36 # the provisions above, a recipient may use your version of this file under
  37 # the terms of any one of the MPL, the GPL or the LGPL.
  38 #
  39 # ***** END LICENSE BLOCK *****
  40
  41 # Treats the arguments as a command that is to be forked and observed;
  42 # e.g.,
  43 #
  44 #   watch.sh ./mozilla -f bloaturls.txt
  45 #
  46 # Periodically snap-shots the virtual memory info of the process, and
  47 # dumps the output to ``watch.out''
  48
  49 # Clear the output file
  50 OUTPUT_FILE=watch.out
  51 INTERVAL=10
  52
  53 while [ $# -gt 0 ]; do
  54     case "$1" in
  55     -o) OUTPUT_FILE=$2
  56         shift 2
  57         ;;
  58     -i) INTERVAL=$2
  59         shift 2
  60         ;;
  61     *)  break
  62         ;;
  63     esac
  64 done
  65
  66 rm -f ${OUTPUT_FILE}
  67
  68 echo "vmsize vmexe vmlib vmdata vmstk vmrss" > ${OUTPUT_FILE}
  69
  70 # treat the arguments as the command to execute
  71 $* &
  72
  73 # remember the process ID
  74 PID=$!
  75
  76 while [ -e /proc/${PID} ]; do
  77     cat /proc/${PID}/status |\
  78     awk '$1=="VmSize:" { vmsize = $2; }
  79 $1=="VmData:" { vmdata = $2; }
  80 $1=="VmStk:" { vmstk = $2; }
  81 $1=="VmExe:" { vmexe = $2; }
  82 $1=="VmLib:" { vmlib = $2; }
  83 $1=="VmRSS:" { vmrss = $2; }
  84 END { print vmsize, vmexe, vmlib, vmdata, vmstk, vmrss; }' >> ${OUTPUT_FILE}
  85     sleep ${INTERVAL}
  86 done