1#!/bin/bash 2# Copyright (C) 2018 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# Get backtraces for a process. 17if [[ $1 =~ ^[0-9]+$ ]] ; then 18 PID="$1" 19elif [ "$1" ] ; then 20 # Try --exact first, and fallback to nonexact if we find nothing. 21 PIDLIST="$(pid --exact $1 || pid $1)" 22 if [[ $PIDLIST =~ ^[0-9]+$ ]] ; then 23 PID="$PIDLIST" 24 elif [ "$PIDLIST" ] ; then 25 echo "more than one process: $1" 26 else 27 echo "no such process: $1" 28 fi 29else 30 echo "usage: stacks [pid|process name]" 31fi 32 33if [ "$PID" ] ; then 34 # Use `debuggerd -j` on java processes. 35 if adb shell readlink /proc/$PID/exe | egrep -q '^/system/bin/app_process' ; then 36 # But not the zygote. 37 if ! adb shell cat /proc/$PID/cmdline | egrep -q '^zygote'; then 38 adb shell debuggerd -j $PID 39 exit $? 40 fi 41 fi 42 43 adb shell debuggerd -b $PID 44fi 45