OSCL-LXR

0001 #!/bin/bash
0002 # SPDX-License-Identifier: GPL-2.0-only
0003 # Copyright (C) 2015-2019 ARM Limited.
0004 # Original author: Dave Martin <Dave.Martin@arm.com>
0005
0006 set -ue
0007
0008 NR_CPUS=`nproc`
0009
0010 pids=
0011 logs=
0012
0013 cleanup () {
0014         trap - INT TERM CHLD
0015         set +e
0016
0017         if [ -n "$pids" ]; then
0018                 kill $pids
0019                 wait $pids
0020                 pids=
0021         fi
0022
0023         if [ -n "$logs" ]; then
0024                 cat $logs
0025                 rm $logs
0026                 logs=
0027         fi
0028 }
0029
0030 interrupt () {
0031         cleanup
0032         exit 0
0033 }
0034
0035 child_died () {
0036         cleanup
0037         exit 1
0038 }
0039
0040 trap interrupt INT TERM EXIT
0041
0042 for x in `seq 0 $((NR_CPUS * 4))`; do
0043         log=`mktemp`
0044         logs=$logs\ $log
0045         ./za-test >$log &
0046         pids=$pids\ $!
0047 done
0048
0049 # Wait for all child processes to be created:
0050 sleep 10
0051
0052 while :; do
0053         kill -USR1 $pids
0054 done &
0055 pids=$pids\ $!
0056
0057 wait
0058
0059 exit 1