diff options
Diffstat (limited to 'src/VBox/Additions/common/testcase/led-lights.sh')
| -rwxr-xr-x | src/VBox/Additions/common/testcase/led-lights.sh | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/src/VBox/Additions/common/testcase/led-lights.sh b/src/VBox/Additions/common/testcase/led-lights.sh new file mode 100755 index 00000000..50514cd2 --- /dev/null +++ b/src/VBox/Additions/common/testcase/led-lights.sh @@ -0,0 +1,276 @@ +#!/bin/bash +# $Id: led-lights.sh $ +## @file +# VirtualBox guest LED demonstration test +# + +# +# Copyright (C) 2021-2022 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + +# +# Usage: +# led-lights.sh [-a | -r] +# + +# +# Test script to twiddle the console LEDs of a VirtualBox VM. +# +# This is not an automated test, just something for humans to look +# at, to convince themselves that the VM console LEDs are working. +# By default it cycles through the LED types in a specific order. +# +# '-a' twiddles all possible LEDs at the same time +# '-r' reverses the default order +# +# For instance, run the script in 2 VMs at once, one with '-r'. +# +# LEDs are not expected to track perfectly, as other OS activities +# will light them (and buffer cache effects can delay things). Just +# make sure that all the tested ones (hard disk, optical, USB storage, +# floppy, shared folders, net) are working. Expected activity: +# +# - Disk & optical devices show solid 'read' +# - Virtual USB disk & optical devices show 'write' on the USB LED +# - Floppy devices and shared folders alternate 'read/write' +# - Net blinks 'write' +# +# Pre-VM setup: +# +# Download or locate a bootable Linux ISO able to be used 'live'. +# Make a tarball of this script + extra junk: +# +# $ dd if=/dev/zero of=junk bs=100k count=1 +# $ tar cf floppy.img led-lights.sh junk +# +# NOTE: floppy.img must be >= 20KiB or you will get I/O errors! +# +# VM setup: +# +# New VM; type: Linux (subtype to match ISO); create default HD. +# VM Settings: +# System > raise base memory to 4GiB +# Storage > insert 'Live bootable' Linux ISO image; +# turn on 'Live CD/DVD' +# Storage > add floppy controller (i82078); insert floppy.img +# Storage > add USB controller; insert USB HD & USB CD +# System > move Optical before Floppy in boot order +# Shared Folders > set up one or more Shared Folders if desired +# (they should be permanent, auto-mount, +# writable, with at least 10MB free space) +# +# Boot the VM. Open a shell, become root, optionally install +# VirtualBox Guest Utilities to access Shared Folders, then extract +# and run this script: +# +# $ sudo bash +# # yum install virtualbox-guest-utils # for Shared Folders +# # tar xf /dev/fd0 led-lights.sh +# # ./led-lights.sh [-a | -r] + +if [ ! -w / ]; then + echo "Must be run as root!" 1>&2 + exit 1 +fi + +all_all=false +reverse=false + +if [ "x$1" = "x-a" ]; then + all_all=true +fi + +if [ "x$1" = "x-r" ]; then + reverse=true +fi + +# Copy binaries to RAM tmpfs to avoid CD I/O after cache purges +MYTMP=/tmp/led-lights.$$ +mkdir $MYTMP +for bin in $(which dd sleep sync); do + case $bin in + /*) + cp -p $bin $MYTMP + ;; + esac +done +export MYTMP PATH=$MYTMP:$PATH + +set -o monitor + +# Make device reads keep hitting the 'hardware' +# even if the whole medium fits in cache... +drop_cache() +{ + echo 1 >/proc/sys/vm/drop_caches +} + +activate() +{ + kill -CONT -$1 2>/dev/null +} + +suppress() +{ + $all_all || kill -STOP -$1 2>/dev/null +} + +declare -a pids pidnames +cpids=0 + +twiddle() +{ + let ++cpids + new_pid=$! + pidname=$1 + pids[$cpids]=$new_pid + pidnames[$cpids]=$pidname + suppress $new_pid +} + +hide_stderr() +{ + exec 3>&2 2>/dev/null +} + +show_stderr() +{ + exec 2>&3 3>&- +} + +bail() +{ + hide_stderr + for pid in ${pids[*]}; do + activate $pid + kill -TERM -$pid + kill -TERM $pid + done 2>/dev/null + rm -rf $MYTMP + kill $$ +} + +trap "bail" INT + +drives() +{ + echo $( + awk '$NF ~/^('$1')$/ { print $NF }' /proc/partitions + ) +} + +# Prevent job control 'stopped' msgs during twiddler startup +hide_stderr + +# Hard disks +for hdd in $(drives '[sh]d.'); do + while :; do + dd if=/dev/$hdd of=/dev/null + drop_cache + done 2>/dev/null & + twiddle disk:$hdd +done + +# Optical drives +for odd in $(drives 'sr.|scd.'); do + while :; do + dd if=/dev/$odd of=/dev/null + drop_cache + done 2>/dev/null & + twiddle optical:$odd +done + +# Floppy drives +for fdd in $(drives 'fd.'); do + while :; do + dd if=/dev/$fdd of=$MYTMP/$fdd bs=1k count=20 + dd of=/dev/$fdd if=$MYTMP/$fdd bs=1k count=20 + done 2>/dev/null & + twiddle floppy:$fdd +done + +# Shared folders +if ! lsmod | grep -q vboxsf; then + echo + echo "Note: to test the Shared Folders LED, install this" + echo "distro's VirtualBox Guest Utilities package, e.g.:" + echo + echo " # yum install virtualbox-guest-utils (Red Hat family)" + echo " # apt install virtualbox-guest-utils (Debian family)" + echo +fi >&3 # original stderr +for shf in $(mount -t vboxsf | awk '{ print $3 }'); do + while :; do + dd if=/dev/urandom of=$shf/tmp.led-lights.$$ bs=100k count=100 + for rep in $(seq 1 10); do + drop_cache + dd of=/dev/zero if=$shf/tmp.led-lights.$$ bs=100k count=100 + done + sync + rm -f $shf/tmp.led-lights.$$ + done >/dev/null 2>&1 & + twiddle sharedfs:$shf +done + +# Network +ping -i.2 1.2.3.4 >/dev/null & +twiddle net + +# Untested LED: Graphics3D -- add some day? + +sleep 0.1 +show_stderr + +if $reverse; then + seq=$(seq $cpids -1 1) +else + seq=$(seq 1 $cpids) +fi + +show_intr() +{ + intr=$(stty -a | sed -n '/intr/ { s/.*intr *=* *//; s/[ ;].*//p }') + echo + echo "[ Hit $intr to stop ]" + echo +} + +if $all_all; then + printf "%s ...\n" ${pidnames[*]} + show_intr + wait +else + CEOL=$(tput el) + show_intr + while :; do + for pidx in $seq; do + pid=${pids[$pidx]} + pidname=${pidnames[$pidx]} + echo -e -n "$pidname$CEOL\r" + shift + activate $pid + sleep 2 + suppress $pid + sync + sleep .5 + done + done +fi |