1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/footprint/watch.sh Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,52 @@
1.4 +#!/bin/sh
1.5 +#
1.6 +# This Source Code Form is subject to the terms of the Mozilla Public
1.7 +# License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.9 +
1.10 +# Treats the arguments as a command that is to be forked and observed;
1.11 +# e.g.,
1.12 +#
1.13 +# watch.sh ./mozilla -f bloaturls.txt
1.14 +#
1.15 +# Periodically snap-shots the virtual memory info of the process, and
1.16 +# dumps the output to ``watch.out''
1.17 +
1.18 +# Clear the output file
1.19 +OUTPUT_FILE=watch.out
1.20 +INTERVAL=10
1.21 +
1.22 +while [ $# -gt 0 ]; do
1.23 + case "$1" in
1.24 + -o) OUTPUT_FILE=$2
1.25 + shift 2
1.26 + ;;
1.27 + -i) INTERVAL=$2
1.28 + shift 2
1.29 + ;;
1.30 + *) break
1.31 + ;;
1.32 + esac
1.33 +done
1.34 +
1.35 +rm -f ${OUTPUT_FILE}
1.36 +
1.37 +echo "vmsize vmexe vmlib vmdata vmstk vmrss" > ${OUTPUT_FILE}
1.38 +
1.39 +# treat the arguments as the command to execute
1.40 +$* &
1.41 +
1.42 +# remember the process ID
1.43 +PID=$!
1.44 +
1.45 +while [ -e /proc/${PID} ]; do
1.46 + cat /proc/${PID}/status |\
1.47 + awk '$1=="VmSize:" { vmsize = $2; }
1.48 +$1=="VmData:" { vmdata = $2; }
1.49 +$1=="VmStk:" { vmstk = $2; }
1.50 +$1=="VmExe:" { vmexe = $2; }
1.51 +$1=="VmLib:" { vmlib = $2; }
1.52 +$1=="VmRSS:" { vmrss = $2; }
1.53 +END { print vmsize, vmexe, vmlib, vmdata, vmstk, vmrss; }' >> ${OUTPUT_FILE}
1.54 + sleep ${INTERVAL}
1.55 +done
