b0e2074d9e
From the log data generated with --log-function-events we can create a detailed model of a function's lifetime. The parse processor displays several stats at a given time (percent and count) on a per function or byte basis: - preparsing - parsing - eager/lazy compiling - execution Bug: chromium:757467 Change-Id: I0ad5c9369c6a0628704e3caffb3920444ea603a9 Reviewed-on: https://chromium-review.googlesource.com/758641 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Mathias Bynens <mathias@chromium.org> Cr-Commit-Position: refs/heads/master@{#50234}
42 lines
1.2 KiB
Bash
Executable File
42 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# find the name of the log file to process, it must not start with a dash.
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log_file="v8.log"
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for arg in "$@"
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do
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if ! expr "X${arg}" : "^X-" > /dev/null; then
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log_file=${arg}
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fi
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done
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tools_path=`cd $(dirname "$0");pwd`
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if [ ! "$D8_PATH" ]; then
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d8_public=`which d8`
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if [ -x "$d8_public" ]; then D8_PATH=$(dirname "$d8_public"); fi
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fi
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[ -n "$D8_PATH" ] || D8_PATH=$tools_path/..
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d8_exec=$D8_PATH/d8
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if [ ! -x "$d8_exec" ]; then
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D8_PATH=`pwd`/out.gn/optdebug
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d8_exec=$D8_PATH/d8
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fi
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if [ ! -x "$d8_exec" ]; then
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d8_exec=`grep -m 1 -o '".*/d8"' $log_file | sed 's/"//g'`
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fi
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if [ ! -x "$d8_exec" ]; then
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echo "d8 shell not found in $D8_PATH"
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echo "To build, execute 'make native' from the V8 directory"
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exit 1
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fi
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# nm spits out 'no symbols found' messages to stderr.
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cat $log_file | $d8_exec --trace-maps --allow-natives-syntax --trace-deopt $tools_path/splaytree.js $tools_path/codemap.js \
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$tools_path/csvparser.js $tools_path/consarray.js \
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$tools_path/profile.js $tools_path/profile_view.js \
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$tools_path/logreader.js $tools_path/arguments.js \
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$tools_path/parse-processor.js $tools_path/SourceMap.js \
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$tools_path/parse-processor-driver.js -- $@ 2>/dev/null
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