diff options
Diffstat (limited to 'tools/testing/selftests/rcutorture/bin/jitterstart.sh')
| -rw-r--r-- | tools/testing/selftests/rcutorture/bin/jitterstart.sh | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/jitterstart.sh b/tools/testing/selftests/rcutorture/bin/jitterstart.sh new file mode 100644 index 000000000000..3d710ad291c3 --- /dev/null +++ b/tools/testing/selftests/rcutorture/bin/jitterstart.sh @@ -0,0 +1,37 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0+ +# +# Start up the specified number of jitter.sh scripts in the background. +# +# Usage: . jitterstart.sh n jittering-dir duration [ sleepmax [ spinmax ] ] +# +# n: Number of jitter.sh scripts to start up. +# jittering-dir: Directory in which to put "jittering" file. +# duration: Time to run in seconds. +# sleepmax: Maximum microseconds to sleep, defaults to one second. +# spinmax: Maximum microseconds to spin, defaults to one millisecond. +# +# Copyright (C) 2021 Facebook, Inc. +# +# Authors: Paul E. McKenney <paulmck@kernel.org> + +jitter_n=$1 +if test -z "$jitter_n" +then + echo jitterstart.sh: Missing count of jitter.sh scripts to start. + exit 33 +fi +jittering_dir=$2 +if test -z "$jittering_dir" +then + echo jitterstart.sh: Missing directory in which to place jittering file. + exit 34 +fi +shift +shift + +touch ${jittering_dir}/jittering +for ((jitter_i = 1; jitter_i <= $jitter_n; jitter_i++)) +do + jitter.sh $jitter_i "${jittering_dir}/jittering" "$@" & +done |