1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0-only 2 # SPDX-License-Identifier: GPL-2.0-only
3 # Copyright (C) 2015-2019 ARM Limited. 3 # Copyright (C) 2015-2019 ARM Limited.
4 # Original author: Dave Martin <Dave.Martin@arm 4 # Original author: Dave Martin <Dave.Martin@arm.com>
5 5
6 set -ue 6 set -ue
7 7
8 NR_CPUS=`nproc` 8 NR_CPUS=`nproc`
9 9
10 pids= 10 pids=
11 logs= 11 logs=
12 12
13 cleanup () { 13 cleanup () {
14 trap - INT TERM CHLD 14 trap - INT TERM CHLD
15 set +e 15 set +e
16 16
17 if [ -n "$pids" ]; then 17 if [ -n "$pids" ]; then
18 kill $pids 18 kill $pids
19 wait $pids 19 wait $pids
20 pids= 20 pids=
21 fi 21 fi
22 22
23 if [ -n "$logs" ]; then 23 if [ -n "$logs" ]; then
24 cat $logs 24 cat $logs
25 rm $logs 25 rm $logs
26 logs= 26 logs=
27 fi 27 fi
28 } 28 }
29 29
30 interrupt () { 30 interrupt () {
31 cleanup 31 cleanup
32 exit 0 32 exit 0
33 } 33 }
34 34
35 child_died () { 35 child_died () {
36 cleanup 36 cleanup
37 exit 1 37 exit 1
38 } 38 }
39 39
40 trap interrupt INT TERM EXIT 40 trap interrupt INT TERM EXIT
41 41
42 for x in `seq 0 $((NR_CPUS * 4))`; do 42 for x in `seq 0 $((NR_CPUS * 4))`; do
43 log=`mktemp` 43 log=`mktemp`
44 logs=$logs\ $log 44 logs=$logs\ $log
45 ./za-test >$log & 45 ./za-test >$log &
46 pids=$pids\ $! 46 pids=$pids\ $!
47 done 47 done
48 48
49 # Wait for all child processes to be created: 49 # Wait for all child processes to be created:
50 sleep 10 50 sleep 10
51 51
52 while :; do 52 while :; do
53 kill -USR1 $pids 53 kill -USR1 $pids
54 done & 54 done &
55 pids=$pids\ $! 55 pids=$pids\ $!
56 56
57 wait 57 wait
58 58
59 exit 1 59 exit 1
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