1 #!/bin/bash 2 # 3 # Copyright 2013 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 # 7 # Start / stop profiling in chrome. 8 9 # The profiling data is saved to directory /sdcard/Download. The files 10 # are named beginning chrome-profile-results- 11 # 12 # Assumes you have sourced the android build environment script 13 # (e.g. 'adb' is on your path). 14 set -e 15 16 usage() { 17 echo "adb_profile_chrome [--start [-o file] [-c C]|--stop|-d|-t N] [-v N]" 18 echo "See http://dev.chromium.org/developers/how-tos/trace-event-profiling-tool for detailed instructions on profiling." 19 echo "" 20 echo " --start Start profiling." 21 echo " --output|-o file Save profile output to file. " 22 echo " (Default is /sdcard/Download/chrome-profile-results-*)" 23 echo " --categories|-c C Select categories to trace with comma-delimited wildcards." 24 echo " e.g. '*', 'cat1*,-cat1a'. Default is '*'." 25 echo " --stop Stop profiling." 26 echo " --download|-d Download latest trace." 27 echo " --time|-t N Profile for N seconds and download the resulting trace." 28 echo " --version|v N Select among installed browsers." 29 echo " One of stable (default), beta, dev, build" 30 echo "" 31 echo "Profiling data is saved to the device." 32 exit 0 33 } 34 35 send_intent() { 36 local PACKAGE=$1 37 local INTENT=$2 38 shift 39 shift 40 adb shell am broadcast -a $PACKAGE.$INTENT $* 41 } 42 43 download_latest_trace() { 44 TRACE_FILE=$(adb logcat -d | \ 45 grep "Logging performance trace to file: " | \ 46 tail -1 | \ 47 perl -pi -e "s/.*\/storage\/emulated\/.+\/([^\r]+).*/\/sdcard\/Download\/\\1/g") 48 if [ -z "$TRACE_FILE" ]; then 49 echo "Unable to determine trace file name" 50 exit 1 51 fi 52 53 adb pull $TRACE_FILE 2> /dev/null 54 LOCAL_TRACE_FILE=$(basename $TRACE_FILE) 55 if [ ! -f "$LOCAL_TRACE_FILE" ]; then 56 echo "Unable to download trace file" 57 exit 1 58 fi 59 } 60 61 do_timed_capture() { 62 local PACKAGE=$1 63 local INTERVAL=$2 64 shift 65 shift 66 echo -n "Capturing trace..." 67 send_intent ${PACKAGE} "GPU_PROFILER_START" $* > /dev/null 68 sleep ${INTERVAL} 69 send_intent ${PACKAGE} "GPU_PROFILER_STOP" > /dev/null 70 echo "done" 71 72 echo -n "Downloading trace..." 73 sleep $[${INTERVAL} / 4 + 1] 74 download_latest_trace 75 echo "done" 76 77 echo "Trace written to ${PWD}/${LOCAL_TRACE_FILE}" 78 } 79 80 PACKAGE=${DEFAULT_PACKAGE:-com.android.chrome} 81 82 while test -n "$1"; do 83 case "$1" in 84 -v|--version) 85 if [[ -z "$2" ]] ; then 86 usage 87 fi 88 shift 89 case "$1" in 90 stable) PACKAGE="com.android.chrome" ;; 91 beta) PACKAGE="com.chrome.beta" ;; 92 dev) PACKAGE="com.google.android.apps.chrome_dev" ;; 93 build) PACKAGE="com.google.android.apps.chrome" ;; 94 *) usage ;; 95 esac 96 ;; 97 --start) FUNCTION="GPU_PROFILER_START" ;; 98 --stop) FUNCTION="GPU_PROFILER_STOP" ;; 99 -o|--output) 100 if [ -z "$2" ] ; then 101 usage 102 fi 103 OUTPUT="-e file '$2'" 104 shift 105 ;; 106 -c|--categories) 107 if [ -z "$2" ]; then 108 usage 109 fi 110 CATEGORIES="-e categories '$2'" 111 shift 112 ;; 113 -t|--time) 114 shift 115 if [ -z "$1" ] ; then 116 usage 117 fi 118 INTERVAL="$1" 119 ;; 120 -d|--download) 121 shift 122 download_latest_trace 123 echo "Trace written to ${PWD}/${LOCAL_TRACE_FILE}" 124 ;; 125 *) usage ;; 126 esac 127 shift 128 done 129 130 if [ -z "${INTERVAL}" ] ; then 131 if [ -z "${FUNCTION}" ] ; then 132 usage 133 else 134 send_intent ${PACKAGE} ${FUNCTION} ${OUTPUT} ${CATEGORIES} 135 fi 136 else 137 do_timed_capture ${PACKAGE} ${INTERVAL} ${CATEGORIES} 138 fi 139 exit 0 140
