| #!/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/#sftrace' |
| |
| set -e |
| |
| outfile=layerstrace.pb |
| help= |
| |
| for arg in "$@"; do |
| case $arg in |
| -h|--help) help=1;; |
| --);; |
| -*) echo "Unknown option: $arg"; help=1;; |
| *) outfile="$arg";; |
| esac |
| done |
| |
| if [ "$help" != "" ]; then |
| echo "usage: $0 [-h | --help] [OUTFILE]" |
| echo |
| echo "Traces SurfaceFlinger and writes the output to OUTFILE (default ./layerstrace.pb)." |
| echo "To view the traces, use $WINSCOPE_URL." |
| echo |
| echo "WARNING: This calls adb root and deactivates SELinux." |
| exit 1 |
| fi |
| |
| function log_error() { |
| echo "FAILED" |
| } |
| trap log_error ERR |
| |
| outfile_abs="$(cd "$(dirname "$outfile")"; pwd)/$(basename "$outfile")" |
| |
| function start_tracing() { |
| echo -n "Starting SurfaceFlinger trace..." |
| adb shell su root service call SurfaceFlinger 1025 i32 1 >/dev/null |
| echo "DONE" |
| trap stop_tracing EXIT |
| } |
| function stop_tracing() { |
| echo -n "Stopping SurfaceFlinger trace..." |
| 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; } |
| |
| echo -n "Deactivating SELinux..." |
| adb shell su root setenforce 0 2>/dev/null >/dev/null |
| echo "DONE" |
| |
| start_tracing |
| read -p "Press ENTER to stop tracing" -s x |
| echo |
| stop_tracing |
| adb exec-out su root cat /data/misc/trace/layerstrace.pb >"$outfile" |
| |
| echo |
| echo "To view the trace, go to $WINSCOPE_URL, click 'OPEN SF TRACE' and open" |
| echo "${outfile_abs}" |