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#!/bin/bash
#
# android_perf: utility for running perf on an android device
#
# The basic usage sequence is to run...
# 1) perf record [gm/tests/bench] # runs profiler on specified app
# 2) perf report # prints profiler results
# 3) perf clean # cleans the temporary directory used to store results
#
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PERF_CMD=$1
source $SCRIPT_DIR/utils/setup_adb.sh
if [ $(uname) == "Linux" ]; then
PERFHOST=$SCRIPT_DIR/linux/perfhost
elif [ $(uname) == "Darwin" ]; then
PERFHOST=$SCRIPT_DIR/mac/perfhost
else
echo "Could not automatically determine OS!"
exit 1;
fi
# We need the debug symbols from these files
PERF_TMP_DIR=$(pwd)/android_perf_tmp
TMP_SYS_BIN=$PERF_TMP_DIR/system/bin
TMP_SYS_LIB=$PERF_TMP_DIR/system/lib
TMP_APP_LIB=$PERF_TMP_DIR/data/data/com.skia/lib
perf_setup() {
mkdir -p $TMP_SYS_BIN
mkdir -p $TMP_SYS_LIB
mkdir -p $TMP_APP_LIB
# setup symlinks to account for perf potentially looking elsewhere
mkdir -p $PERF_TMP_DIR/data/app-lib
$( cd $PERF_TMP_DIR/data/app-lib && ln -s ../data/com.skia/lib com.skia-1)
$( cd $PERF_TMP_DIR/data/app-lib && ln -s ../data/com.skia/lib com.skia-2)
echo "Copying symbol files"
$ADB pull /system/bin/skia_launcher $TMP_SYS_BIN
$ADB pull /system/lib/libc.so $TMP_SYS_LIB
$ADB pull /system/lib/libstlport.so $TMP_SYS_LIB
$ADB pull /system/lib/libcutils.so $TMP_SYS_LIB
$ADB pull /system/lib/libGLESv2.so $TMP_SYS_LIB
$ADB pull /system/lib/libandroid.so $TMP_SYS_LIB
$ADB pull /system/lib/libm.so $TMP_SYS_LIB
$ADB pull /system/lib/libz.so $TMP_SYS_LIB
if [ $# -ge 2 ]
then
APP_NAME=$(basename $2)
$ADB pull /data/data/com.skia/lib/lib${APP_NAME}.so $TMP_APP_LIB
else
$ADB pull /data/data/com.skia/lib/ $TMP_APP_LIB
fi
}
perf_record() {
APP_NAME=$(basename $2)
# Collect extra arguments to be passed to the skia_launcher binary
shift # perf_cmd
shift # app_name
while (( "$#" )); do
APP_ARGS="$APP_ARGS $1"
shift
done
echo "Checking for skia_launcher app..."
if [ ! -f $TMP_SYS_BIN/skia_launcher ]
then
echo "Unable to find the skia_launcher on the device"
rm -rf $PERF_TMP_DIR
exit 1;
fi
echo "Checking for $APP_NAME library..."
if [ ! -f $TMP_APP_LIB/lib$APP_NAME.so ]
then
echo "Unable to find the app's shared library on the device"
rm -rf $PERF_TMP_DIR
exit 1;
fi
echo "Killing any running Skia processes."
$ADB shell ps | grep skia_launcher | awk '{print $2}' | xargs $ADB shell kill
echo "Starting application"
$ADB shell skia_launcher $APP_NAME $APP_ARGS &
# WE REALLY REALLY WANT TO BE ABLE TO PASS THE SKIA_LAUNCHER APP DIRECTLY TO
# PERF, BUT AT THIS POINT THE DATA FILE WE GET WHEN GOING THAT ROUTE IS UNABLE
# TO BE READ BY THE REPORTING TOOL
echo "Starting profiler"
APP_PID=$($ADB shell ps | grep skia_launcher | awk '{print $2}')
$ADB shell perf record -p ${APP_PID} sleep 70
$ADB pull /data/perf.data $PERF_TMP_DIR/perf.data
exit 0;
}
perf_report() {
# Collect extra arguments to be passed to the perfhost binary
while (( "$#" )); do
APP_ARGS="$APP_ARGS $1"
shift
done
$PERFHOST report -i $PERF_TMP_DIR/perf.data --symfs=$PERF_TMP_DIR $APP_ARGS
}
# Clean up
perf_clean() {
rm -rf $PERF_TMP_DIR
}
case $PERF_CMD in
setup)
perf_setup $@
;;
record)
perf_setup $@
perf_record $@
;;
report)
perf_report
;;
clean)
perf_clean
;;
*)
echo -n "ERROR: unknown perf command ($PERF_CMD), valid values: "
echo "setup, record, report, clean"
exit 1;
;;
esac
exit 0;
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