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#!/bin/bash
#
# Copyright (C) 2017 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
WINSCOPE_URL='http://go/winscope/'
set -e
help=
for arg in "$@"; do
case $arg in
-h|--help) help=1;;
--);;
-*) echo "Unknown option: $arg"; help=1;;
*) outfile="$arg";;
esac
done
outfileTrans=${outfile}_transactiontrace.pb
outfileSurf=${outfile}_layerstrace.pb
outfileTrans_abs="$(cd "$(dirname "$outfileTrans")"; pwd)/$(basename "$outfileTrans")"
outfileSurf_abs="$(cd "$(dirname "$outfileSurf")"; pwd)/$(basename "$outfileSurf")"
if [ "$help" != "" ]; then
echo "usage: $0 [-h | --help] [OUTFILE]"
echo
echo "Records Transaction traces (default transactiontrace.pb)."
echo "Records Surface traces (default layerstrace.pb)."
echo "To view the traces, use $WINSCOPE_URL."
exit 1
fi
function log_error() {
echo "FAILED"
}
trap log_error ERR
function start_tracing() {
echo -n "Starting transaction and surface recording..."
echo
adb shell su root service call SurfaceFlinger 1020 i32 1 >/dev/null
adb shell su root service call SurfaceFlinger 1025 i32 1 >/dev/null
echo "DONE"
trap stop_tracing EXIT
}
function stop_tracing() {
echo -n "Stopping transaction and surface recording..."
echo
adb shell su root service call SurfaceFlinger 1020 i32 0 >/dev/null
adb shell su root service call SurfaceFlinger 1025 i32 0 >/dev/null
echo "DONE"
trap - EXIT
}
which adb >/dev/null 2>/dev/null || { echo "ERROR: ADB not found."; exit 1; }
adb get-state 2>/dev/null | grep -q device || { echo "ERROR: No device connected or device is unauthorized."; exit 1; }
start_tracing
read -p "Press ENTER to stop recording" -s x
echo
stop_tracing
adb exec-out su root cat /data/misc/wmtrace/transaction_trace.pb >"$outfileTrans"
adb exec-out su root cat /data/misc/wmtrace/layers_trace.pb >"$outfileSurf"
echo
echo "To view the trace, go to $WINSCOPE_URL, and open"
echo "${outfileTrans_abs}"
echo "${outfileSurf_abs}"
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