v8/tools/linux-tick-processor
mikhail.naganov@gmail.com f332ab9615 Profiler tick processor: exploit d8's readline to avoid reading
entire file prior to parsing it. This allows processing of huge
log files (over 200 MB.)

Review URL: http://codereview.chromium.org/574015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3811 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2010-02-08 08:15:18 +00:00

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#!/bin/sh
tools_path=`cd $(dirname "$0");pwd`
if [ ! "$D8_PATH" ]; then
d8_public=`which d8`
if [ $d8_public ]; then D8_PATH=$(dirname "$d8_public"); fi
fi
[ "$D8_PATH" ] || D8_PATH=$tools_path/..
d8_exec=$D8_PATH/d8
if [ "$1" == "--no-build" ]; then
shift
else
# compile d8 if it doesn't exist, assuming this script
# resides in the repository.
[ -x $d8_exec ] || scons -j4 -C $D8_PATH -Y $tools_path/.. d8
fi
# find the name of the log file to process, it must not start with a dash.
log_file="v8.log"
for arg in "$@"
do
if [[ "${arg}" != -* ]]; then
log_file=${arg}
fi
done
# nm spits out 'no symbols found' messages to stderr.
cat $log_file | $d8_exec $tools_path/splaytree.js $tools_path/codemap.js \
$tools_path/csvparser.js $tools_path/consarray.js \
$tools_path/profile.js $tools_path/profile_view.js \
$tools_path/logreader.js $tools_path/tickprocessor.js \
$tools_path/tickprocessor-driver.js -- $@ 2>/dev/null