scripts/runahat

#!/bin/bash

# Copyright (C) 2018 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.

set -e
. "${0%/*}"/bash_util.bash

function usage() {
    cat 1>&2 <<"EOF"

  $script_name: Get heapdump from a process and open in ahat.

  Usage: $script_name PID_OR_PROCESS_NAME

EOF
    exit 1
}

pid="$(resolve_pid "$1" || usage)"

dev_file=/data/local/tmp/heapdump.prof
local_file="$(make_temp_file .prof)"


info "Getting heap dump from $pid ..."
do_adb shell am dumpheap -g "$pid" "$dev_file"


info "Pulling the dump file to $local_file ..."
do_adb pull "$dev_file" "$local_file"


info "Looking for available port ..."
port=$(find_open_port 11000)
info "Using port $port"

(
    sleep 2
    info "Starting the browser ..."
    setsid "${AHAT_BROWSER:-google-chrome}" http://localhost:$port
) &


info "Opening $local_file with ahat ..."
ahat -p $port "$local_file"