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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
# Copyright (C) IBM Corporation, 2013
#
# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
# rcutorture_param_n_barrier_cbs bootparam-string
#
# Adds n_barrier_cbs rcutorture module parameter if not already specified.
rcutorture_param_n_barrier_cbs () {
if echo $1 | grep -q "rcutorture\.n_barrier_cbs"
then
:
else
echo rcutorture.n_barrier_cbs=4
fi
}
# rcutorture_param_onoff bootparam-string config-file
#
# Adds onoff rcutorture module parameters to kernels having it.
rcutorture_param_onoff () {
if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
then
echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2
echo rcutorture.onoff_interval=1000 rcutorture.onoff_holdoff=30
fi
}
# rcutorture_param_stat_interval bootparam-string
#
# Adds stat_interval rcutorture module parameter if not already specified.
rcutorture_param_stat_interval () {
if echo $1 | grep -q "rcutorture\.stat_interval"
then
:
else
echo rcutorture.stat_interval=15
fi
}
# per_version_boot_params bootparam-string config-file seconds
#
# Adds per-version torture-module parameters to kernels supporting them.
per_version_boot_params () {
echo `rcutorture_param_onoff "$1" "$2"` \
`rcutorture_param_n_barrier_cbs "$1"` \
`rcutorture_param_stat_interval "$1"` \
rcutorture.shutdown_secs=$3 \
rcutorture.test_no_idle_hz=1 \
rcutorture.verbose=1 \
$1
}
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