script to dump android java heap and convert use hprof-conv

android_dump_java_heap.sh

ADB=${ANDROID_HOME}/platform-tools/adb
HPROF_CONV=${ANDROID_HOME}/platform-tools/hprof-conv

# customized functions
# dump droid heap
function droid_hd() {
    PACKAGE_NAME=$1

    TIME=$(date +"%Y%m%d_%H%M%S")
    FILE_NAME="${PACKAGE_NAME}-${TIME}-heap.hprof"
    PATH_IN_PHONE="/data/local/tmp/${FILE_NAME}"

    ${ADB} shell rm ${PATH_IN_PHONE} 2> /dev/null

    echo "cause GC for ${PACKAGE_NAME}"
    ${ADB} shell pkill -l 10 ${PACKAGE_NAME}

    echo "> dump heap for ${PACKAGE_NAME}"
    ${ADB} shell "am dumpheap ${PACKAGE_NAME} ${PATH_IN_PHONE}"
    if [[ $? != 0 ]]; then
        echo
        ${ADB} devices
        echo "run command:"
        echo "\e[38;5;82mexport ANDROID_SERIAL="
        return
    fi
    # I don't want to... But it smees adb shell can't block untils it's done!
    echo "sleep 20 senconds to wait dumpheap finish"
    sleep 20

    echo "> list heap for ${PATH_IN_PHONE}"
    ${ADB} shell ls -lh ${PATH_IN_PHONE}

    echo "> pull to computer"
    ${ADB} pull ${PATH_IN_PHONE} ./

    echo "> delete device copy"
    ${ADB} shell rm ${PATH_IN_PHONE}

    echo "> hprof-conv it"
    ${HPROF_CONV} -z ${FILE_NAME} convered-${FILE_NAME}

    echo "done!"
}

droid_hd $1