# Copyright (C) 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# # Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#!/bin/sh
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# When signal is received, the stracer will get killed
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# Call this (just to make sure anyway)
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kill_strace() {
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ps_line=`ps -ef | grep strace | grep adb `
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if [ $? == 0 ]; then
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echo Killing `echo $ps_line | awk '{s = ""; for (i=8; i <= NF ; i++) s = s \
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$i " "; print s}' `
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kill `echo $ps_line | awk '{print $2}' `
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fi
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}
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catch_sigint()
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{
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echo "signal INT received, killing streaming trace capture"
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kill_strace
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}
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compile_tracefiles()
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{
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for i in trace.*
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do
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if [ $i != trace.begin ] && [ $i != trace.tar ];
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then
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egrep '\/system\/|\/data\/|\/vendor\/' $i > bar
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# parse out /sys/devices/system/...
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egrep -v '\/sys\/devices\/system\/' bar > bar0
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mv bar0 bar
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fgrep -v '= -1' bar > foo
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rm bar
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# begin_time is seconds since epoch
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begin_time=`cat trace.begin`
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# replace seconds since epoch with SECONDS SINCE BOOT in the
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# strace files
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awk -v begin="$begin_time" '{ printf "%f strace ", $1 - begin; $1=""; print $0}' foo > bar
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if [ -s bar ]
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then
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echo parsing $i
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pid=${i##*.}
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compile_ioshark bar $pid.wl
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rm -f bar
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else
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rm -f $i bar
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fi
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fi
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done
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}
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# main() starts here
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adb root && adb wait-for-device
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adb shell 'ps' | grep zygote > zygote_pids
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fgrep -v grep zygote_pids > bar
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mv bar zygote_pids
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pid1=`grep -w zygote zygote_pids | awk '{print $2}' `
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pid2=`grep -w zygote64 zygote_pids | awk '{print $2}' `
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rm -f zygote_pids
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trap 'catch_sigint' INT
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echo "^C this script once you finish running your test"
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adb shell "date +%s > /data/local/tmp/trace.begin ; strace -p $pid1,$pid2 -o /data/local/tmp/trace -q -qq -f -ff -y -ttt -e trace=mmap2,read,write,pread64,pwrite64,fsync,fdatasync,openat,close,lseek,_llseek"
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# Remove any remnant tracefiles first
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rm -f trace.*
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# Get the tracefiles from the device
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adb shell 'cd /data/local/tmp ; tar cvf trace.tar trace.*'
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adb pull /data/local/tmp/trace.tar
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# Extract the tracefiles from the device
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rm -f *.wl
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tar xf trace.tar
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# Compile the tracefiles
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compile_tracefiles
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# tar up the .wl files just created
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rm -f wl.tar
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tar cf wl.tar ioshark_filenames *.wl
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