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|
#!/bin/bash
#
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Start / stop profiling in chrome.
# The profiling data is saved to directory /sdcard/Download. The files
# are named beginning chrome-profile-results-
#
# Assumes you have sourced the android build environment script
# (e.g. 'adb' is on your path).
set -e
usage() {
echo "adb_profile_chrome [--start [-o file] [-c C]|--stop|-d|-t N] [-v N]"
echo "See http://dev.chromium.org/developers/how-tos/trace-event-profiling-tool for detailed instructions on profiling."
echo ""
echo " --start Start profiling."
echo " --output|-o file Save profile output to file. "
echo " (Default is /sdcard/Download/chrome-profile-results-*)"
echo " --categories|-c C Select categories to trace with comma-delimited wildcards."
echo " e.g. '*', 'cat1*,-cat1a'. Default is '*'."
echo " --stop Stop profiling."
echo " --download|-d Download latest trace."
echo " --time|-t N Profile for N seconds and download the resulting trace."
echo " --version|v N Select among installed browsers."
echo " One of stable (default), beta, dev, build"
echo ""
echo "Profiling data is saved to the device."
exit 0
}
send_intent() {
local PACKAGE=$1
local INTENT=$2
shift
shift
adb shell am broadcast -a $PACKAGE.$INTENT $*
}
download_latest_trace() {
TRACE_FILE=$(adb logcat -d | \
grep "Logging performance trace to file: " | \
tail -1 | \
perl -pi -e "s/.*\/storage\/emulated\/.+\/([^\r]+).*/\/sdcard\/Download\/\\1/g")
if [ -z "$TRACE_FILE" ]; then
echo "Unable to determine trace file name"
exit 1
fi
adb pull $TRACE_FILE 2> /dev/null
LOCAL_TRACE_FILE=$(basename $TRACE_FILE)
if [ ! -f "$LOCAL_TRACE_FILE" ]; then
echo "Unable to download trace file"
exit 1
fi
}
do_timed_capture() {
local PACKAGE=$1
local INTERVAL=$2
shift
shift
echo -n "Capturing trace..."
send_intent ${PACKAGE} "GPU_PROFILER_START" $* > /dev/null
sleep ${INTERVAL}
send_intent ${PACKAGE} "GPU_PROFILER_STOP" > /dev/null
echo "done"
echo -n "Downloading trace..."
sleep $[${INTERVAL} / 4 + 1]
download_latest_trace
echo "done"
echo "Trace written to ${PWD}/${LOCAL_TRACE_FILE}"
}
PACKAGE=${DEFAULT_PACKAGE:-com.android.chrome}
while test -n "$1"; do
case "$1" in
-v|--version)
if [[ -z "$2" ]] ; then
usage
fi
shift
case "$1" in
stable) PACKAGE="com.android.chrome" ;;
beta) PACKAGE="com.chrome.beta" ;;
dev) PACKAGE="com.google.android.apps.chrome_dev" ;;
build) PACKAGE="com.google.android.apps.chrome" ;;
*) usage ;;
esac
;;
--start) FUNCTION="GPU_PROFILER_START" ;;
--stop) FUNCTION="GPU_PROFILER_STOP" ;;
-o|--output)
if [ -z "$2" ] ; then
usage
fi
OUTPUT="-e file '$2'"
shift
;;
-c|--categories)
if [ -z "$2" ]; then
usage
fi
CATEGORIES="-e categories '$2'"
shift
;;
-t|--time)
shift
if [ -z "$1" ] ; then
usage
fi
INTERVAL="$1"
;;
-d|--download)
shift
download_latest_trace
echo "Trace written to ${PWD}/${LOCAL_TRACE_FILE}"
;;
*) usage ;;
esac
shift
done
if [ -z "${INTERVAL}" ] ; then
if [ -z "${FUNCTION}" ] ; then
usage
else
send_intent ${PACKAGE} ${FUNCTION} ${OUTPUT} ${CATEGORIES}
fi
else
do_timed_capture ${PACKAGE} ${INTERVAL} ${CATEGORIES}
fi
exit 0
|
