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torture: Add scftorture to the rcutorture scripting

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This commit updates the rcutorture scripting to include the new scftorture
torture-test module.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-06-24 17:57:07 -07:00
parent 687d4775db
commit 80c9476e68
8 changed files with 92 additions and 1 deletions
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38
tools/testing/selftests/rcutorture/bin/kvm-recheck-scf.sh Executable file
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@ -0,0 +1,38 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Analyze a given results directory for rcutorture progress.
#
# Usage: kvm-recheck-rcu.sh resdir
#
# Copyright (C) Facebook, 2020
#
# Authors: Paul E. McKenney <paulmck@kernel.org>
i="$1"
if test -d "$i" -a -r "$i"
then
:
else
echo Unreadable results directory: $i
exit 1
fi
. functions.sh
configfile=`echo $i | sed -e 's/^.*\///'`
nscfs="`grep 'scf_invoked_count ver:' $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* scf_invoked_count ver: //' -e 's/ .*$//' | tr -d '\015'`"
if test -z "$nscfs"
then
echo "$configfile ------- "
else
dur="`sed -e 's/^.* scftorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`"
if test -z "$dur"
then
rate=""
else
nscfss=`awk -v nscfs=$nscfs -v dur=$dur '
BEGIN { print nscfs / dur }' < /dev/null`
rate=" ($nscfss/s)"
fi
echo "${configfile} ------- ${nscfs} SCF handler invocations$rate"
fi

2
tools/testing/selftests/rcutorture/bin/kvm.sh
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@ -184,7 +184,7 @@ do
shift
;;
--torture)
checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\|refscale\)$' '^--'
checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\|refscale\|scf\)$' '^--'
TORTURE_SUITE=$2
shift
if test "$TORTURE_SUITE" = rcuperf || test "$TORTURE_SUITE" = refscale

2
tools/testing/selftests/rcutorture/configs/scf/CFLIST Normal file
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NOPREEMPT
PREEMPT

2
tools/testing/selftests/rcutorture/configs/scf/CFcommon Normal file
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CONFIG_SCF_TORTURE_TEST=y
CONFIG_PRINTK_TIME=y

9
tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT Normal file
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CONFIG_SMP=y
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_PROVE_LOCKING=n

1
tools/testing/selftests/rcutorture/configs/scf/NOPREEMPT.boot Normal file
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nohz_full=1

9
tools/testing/selftests/rcutorture/configs/scf/PREEMPT Normal file
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CONFIG_SMP=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y

30
tools/testing/selftests/rcutorture/configs/scf/ver_functions.sh Normal file
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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Torture-suite-dependent shell functions for the rest of the scripts.
#
# Copyright (C) Facebook, 2020
#
# Authors: Paul E. McKenney <paulmck@kernel.org>
# scftorture_param_onoff bootparam-string config-file
#
# Adds onoff scftorture module parameters to kernels having it.
scftorture_param_onoff () {
if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
then
echo CPU-hotplug kernel, adding scftorture onoff. 1>&2
echo scftorture.onoff_interval=1000 scftorture.onoff_holdoff=30
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 $1 `scftorture_param_onoff "$1" "$2"` \
scftorture.stat_interval=15 \
scftorture.shutdown_secs=$3 \
scftorture.verbose=1 \
scf
}