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/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin/

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin

Name	Size	Mode	Actions
config2csv.sh	1842	0755	edit dl rm
configcheck.sh	986	0755	edit dl rm
configinit.sh	1314	0755	edit dl rm
configNR_CPUS.sh	688	0755	edit dl rm
config_override.sh	814	0755	edit dl rm
console-badness.sh	784	0755	edit dl rm
cpus2use.sh	829	0755	edit dl rm
functions.sh	7538	0644	edit dl rm
jitter.sh	2244	0755	edit dl rm
jitterstart.sh	994	0644	edit dl rm
jitterstop.sh	520	0644	edit dl rm
kcsan-collapse.sh	484	0755	edit dl rm
kvm-again.sh	4025	0755	edit dl rm
kvm-assign-cpus.sh	1999	0755	edit dl rm
kvm-build.sh	1317	0755	edit dl rm
kvm-check-branches.sh	3517	0755	edit dl rm
kvm-end-run-stats.sh	1083	0755	edit dl rm
kvm-find-errors.sh	1624	0755	edit dl rm
kvm-get-cpus-script.sh	2326	0755	edit dl rm
kvm-recheck-lock.sh	884	0755	edit dl rm
kvm-recheck-rcu.sh	2125	0755	edit dl rm
kvm-recheck-rcuscale-ftrace.sh	2680	0755	edit dl rm
kvm-recheck-rcuscale.sh	1959	0755	edit dl rm
kvm-recheck-refscale.sh	1562	0755	edit dl rm
kvm-recheck-scf.sh	930	0755	edit dl rm
kvm-recheck.sh	2694	0755	edit dl rm
kvm-remote-noreap.sh	629	0755	edit dl rm
kvm-remote.sh	7188	0755	edit dl rm
kvm-test-1-run-batch.sh	2630	0755	edit dl rm
kvm-test-1-run-qemu.sh	5393	0755	edit dl rm
kvm-test-1-run.sh	8736	0755	edit dl rm
kvm-transform.sh	2011	0755	edit dl rm
kvm.sh	18936	0755	edit dl rm
mkinitrd.sh	1996	0755	edit dl rm
parse-build.sh	1032	0755	edit dl rm
parse-console.sh	3968	0755	edit dl rm
torture.sh	14775	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin/torture.sh (14775B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Run a series of torture tests, intended for overnight or
# longer timeframes, and also for large systems.
#
# Usage: torture.sh [ options ]
#
# Copyright (C) 2020 Facebook, Inc.
#
# Authors: Paul E. McKenney <paulmck@kernel.org>

scriptname=$0
args="$*"

KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
PATH=${KVM}/bin:$PATH; export PATH
. functions.sh

TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`"
MAKE_ALLOTED_CPUS=$((TORTURE_ALLOTED_CPUS*2))
HALF_ALLOTED_CPUS=$((TORTURE_ALLOTED_CPUS/2))
if test "$HALF_ALLOTED_CPUS" -lt 1
then
	HALF_ALLOTED_CPUS=1
fi
VERBOSE_BATCH_CPUS=$((TORTURE_ALLOTED_CPUS/16))
if test "$VERBOSE_BATCH_CPUS" -lt 2
then
	VERBOSE_BATCH_CPUS=0
fi

# Configurations/scenarios.
configs_rcutorture=
configs_locktorture=
configs_scftorture=
kcsan_kmake_args=

# Default compression, duration, and apportionment.
compress_kasan_vmlinux="`identify_qemu_vcpus`"
duration_base=10
duration_rcutorture_frac=7
duration_locktorture_frac=1
duration_scftorture_frac=2

# "yes" or "no" parameters
do_allmodconfig=yes
do_rcutorture=yes
do_locktorture=yes
do_scftorture=yes
do_rcuscale=yes
do_refscale=yes
do_kvfree=yes
do_kasan=yes
do_kcsan=no
do_clocksourcewd=yes

# doyesno - Helper function for yes/no arguments
function doyesno () {
	if test "$1" = "$2"
	then
		echo yes
	else
		echo no
	fi
}

usage () {
	echo "Usage: $scriptname optional arguments:"
	echo "       --compress-kasan-vmlinux concurrency"
	echo "       --configs-rcutorture \"config-file list w/ repeat factor (3*TINY01)\""
	echo "       --configs-locktorture \"config-file list w/ repeat factor (10*LOCK01)\""
	echo "       --configs-scftorture \"config-file list w/ repeat factor (2*CFLIST)\""
	echo "       --do-all"
	echo "       --do-allmodconfig / --do-no-allmodconfig"
	echo "       --do-clocksourcewd / --do-no-clocksourcewd"
	echo "       --do-kasan / --do-no-kasan"
	echo "       --do-kcsan / --do-no-kcsan"
	echo "       --do-kvfree / --do-no-kvfree"
	echo "       --do-locktorture / --do-no-locktorture"
	echo "       --do-none"
	echo "       --do-rcuscale / --do-no-rcuscale"
	echo "       --do-rcutorture / --do-no-rcutorture"
	echo "       --do-refscale / --do-no-refscale"
	echo "       --do-scftorture / --do-no-scftorture"
	echo "       --duration [ <minutes> | <hours>h | <days>d ]"
	echo "       --kcsan-kmake-arg kernel-make-arguments"
	exit 1
}

while test $# -gt 0
do
	case "$1" in
	--compress-kasan-vmlinux)
		checkarg --compress-kasan-vmlinux "(concurrency level)" $# "$2" '^[0-9][0-9]*$' '^error'
		compress_kasan_vmlinux=$2
		shift
		;;
	--config-rcutorture|--configs-rcutorture)
		checkarg --configs-rcutorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
		configs_rcutorture="$configs_rcutorture $2"
		shift
		;;
	--config-locktorture|--configs-locktorture)
		checkarg --configs-locktorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
		configs_locktorture="$configs_locktorture $2"
		shift
		;;
	--config-scftorture|--configs-scftorture)
		checkarg --configs-scftorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
		configs_scftorture="$configs_scftorture $2"
		shift
		;;
	--do-all|--doall)
		do_allmodconfig=yes
		do_rcutorture=yes
		do_locktorture=yes
		do_scftorture=yes
		do_rcuscale=yes
		do_refscale=yes
		do_kvfree=yes
		do_kasan=yes
		do_kcsan=yes
		do_clocksourcewd=yes
		;;
	--do-allmodconfig|--do-no-allmodconfig)
		do_allmodconfig=`doyesno "$1" --do-allmodconfig`
		;;
	--do-clocksourcewd|--do-no-clocksourcewd)
		do_clocksourcewd=`doyesno "$1" --do-clocksourcewd`
		;;
	--do-kasan|--do-no-kasan)
		do_kasan=`doyesno "$1" --do-kasan`
		;;
	--do-kcsan|--do-no-kcsan)
		do_kcsan=`doyesno "$1" --do-kcsan`
		;;
	--do-kvfree|--do-no-kvfree)
		do_kvfree=`doyesno "$1" --do-kvfree`
		;;
	--do-locktorture|--do-no-locktorture)
		do_locktorture=`doyesno "$1" --do-locktorture`
		;;
	--do-none|--donone)
		do_allmodconfig=no
		do_rcutorture=no
		do_locktorture=no
		do_scftorture=no
		do_rcuscale=no
		do_refscale=no
		do_kvfree=no
		do_kasan=no
		do_kcsan=no
		do_clocksourcewd=no
		;;
	--do-rcuscale|--do-no-rcuscale)
		do_rcuscale=`doyesno "$1" --do-rcuscale`
		;;
	--do-rcutorture|--do-no-rcutorture)
		do_rcutorture=`doyesno "$1" --do-rcutorture`
		;;
	--do-refscale|--do-no-refscale)
		do_refscale=`doyesno "$1" --do-refscale`
		;;
	--do-scftorture|--do-no-scftorture)
		do_scftorture=`doyesno "$1" --do-scftorture`
		;;
	--duration)
		checkarg --duration "(minutes)" $# "$2" '^[0-9][0-9]*$m\|h\|d\|$$' '^error'
		mult=1
		if echo "$2" | grep -q 'm$'
		then
			mult=1
		elif echo "$2" | grep -q 'h$'
		then
			mult=60
		elif echo "$2" | grep -q 'd$'
		then
			mult=1440
		fi
		ts=`echo $2 | sed -e 's/[smhd]$//'`
		duration_base=$(($ts*mult))
		shift
		;;
	--kcsan-kmake-arg|--kcsan-kmake-args)
		checkarg --kcsan-kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
		kcsan_kmake_args="`echo "$kcsan_kmake_args $2" | sed -e 's/^ *//' -e 's/ *$//'`"
		shift
		;;
	*)
		echo Unknown argument $1
		usage
		;;
	esac
	shift
done

ds="`date +%Y.%m.%d-%H.%M.%S`-torture"
startdate="`date`"
starttime="`get_starttime`"

T=/tmp/torture.sh.$$
trap 'rm -rf $T' 0 2
mkdir $T

echo " --- " $scriptname $args | tee -a $T/log
echo " --- Results directory: " $ds | tee -a $T/log

# Calculate rcutorture defaults and apportion time
if test -z "$configs_rcutorture"
then
	configs_rcutorture=CFLIST
fi
duration_rcutorture=$((duration_base*duration_rcutorture_frac/10))
if test "$duration_rcutorture" -eq 0
then
	echo " --- Zero time for rcutorture, disabling" | tee -a $T/log
	do_rcutorture=no
fi

# Calculate locktorture defaults and apportion time
if test -z "$configs_locktorture"
then
	configs_locktorture=CFLIST
fi
duration_locktorture=$((duration_base*duration_locktorture_frac/10))
if test "$duration_locktorture" -eq 0
then
	echo " --- Zero time for locktorture, disabling" | tee -a $T/log
	do_locktorture=no
fi

# Calculate scftorture defaults and apportion time
if test -z "$configs_scftorture"
then
	configs_scftorture=CFLIST
fi
duration_scftorture=$((duration_base*duration_scftorture_frac/10))
if test "$duration_scftorture" -eq 0
then
	echo " --- Zero time for scftorture, disabling" | tee -a $T/log
	do_scftorture=no
fi

touch $T/failures
touch $T/successes

# torture_one - Does a single kvm.sh run.
#
# Usage:
#	torture_bootargs="[ kernel boot arguments ]"
#	torture_one flavor [ kvm.sh arguments ]
#
# Note that "flavor" is an arbitrary string.  Supply --torture if needed.
# Note that quoting is problematic.  So on the command line, pass multiple
# values with multiple kvm.sh argument instances.
function torture_one {
	local cur_bootargs=
	local boottag=

echo " --- $curflavor:" Start `date` | tee -a $T/log
	if test -n "$torture_bootargs"
	then
		boottag="--bootargs"
		cur_bootargs="$torture_bootargs"
	fi
	"$@" $boottag "$cur_bootargs" --datestamp "$ds/results-$curflavor" > $T/$curflavor.out 2>&1
	retcode=$?
	resdir="`grep '^Results directory: ' $T/$curflavor.out | tail -1 | sed -e 's/^Results directory: //'`"
	if test -z "$resdir"
	then
		cat $T/$curflavor.out | tee -a $T/log
		echo retcode=$retcode | tee -a $T/log
	fi
	if test "$retcode" == 0
	then
		echo "$curflavor($retcode)" $resdir >> $T/successes
	else
		echo "$curflavor($retcode)" $resdir >> $T/failures
	fi
}

# torture_set - Does a set of tortures with and without KASAN and KCSAN.
#
# Usage:
#	torture_bootargs="[ kernel boot arguments ]"
#	torture_set flavor [ kvm.sh arguments ]
#
# Note that "flavor" is an arbitrary string that does not affect kvm.sh
# in any way.  So also supply --torture if you need something other than
# the default.
function torture_set {
	local cur_kcsan_kmake_args=
	local kcsan_kmake_tag=
	local flavor=$1
	shift
	curflavor=$flavor
	torture_one "$@"
	if test "$do_kasan" = "yes"
	then
		curflavor=${flavor}-kasan
		torture_one "$@" --kasan
	fi
	if test "$do_kcsan" = "yes"
	then
		curflavor=${flavor}-kcsan
		if test -n "$kcsan_kmake_args"
		then
			kcsan_kmake_tag="--kmake-args"
			cur_kcsan_kmake_args="$kcsan_kmake_args"
		fi
		torture_one "$@" --kconfig "CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y" $kcsan_kmake_tag $cur_kcsan_kmake_args --kcsan
	fi
}

# make allmodconfig
if test "$do_allmodconfig" = "yes"
then
	echo " --- allmodconfig:" Start `date` | tee -a $T/log
	amcdir="tools/testing/selftests/rcutorture/res/$ds/allmodconfig"
	mkdir -p "$amcdir"
	echo " --- make clean" > "$amcdir/Make.out" 2>&1
	make -j$MAKE_ALLOTED_CPUS clean >> "$amcdir/Make.out" 2>&1
	echo " --- make allmodconfig" >> "$amcdir/Make.out" 2>&1
	make -j$MAKE_ALLOTED_CPUS allmodconfig >> "$amcdir/Make.out" 2>&1
	echo " --- make " >> "$amcdir/Make.out" 2>&1
	make -j$MAKE_ALLOTED_CPUS >> "$amcdir/Make.out" 2>&1
	retcode="$?"
	echo $retcode > "$amcdir/Make.exitcode"
	if test "$retcode" == 0
	then
		echo "allmodconfig($retcode)" $amcdir >> $T/successes
	else
		echo "allmodconfig($retcode)" $amcdir >> $T/failures
	fi
fi

# --torture rcu
if test "$do_rcutorture" = "yes"
then
	torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000"
	torture_set "rcutorture" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration "$duration_rcutorture" --configs "$configs_rcutorture" --trust-make
fi

if test "$do_locktorture" = "yes"
then
	torture_bootargs="torture.disable_onoff_at_boot"
	torture_set "locktorture" tools/testing/selftests/rcutorture/bin/kvm.sh --torture lock --allcpus --duration "$duration_locktorture" --configs "$configs_locktorture" --trust-make
fi

if test "$do_scftorture" = "yes"
then
	torture_bootargs="scftorture.nthreads=$HALF_ALLOTED_CPUS torture.disable_onoff_at_boot"
	torture_set "scftorture" tools/testing/selftests/rcutorture/bin/kvm.sh --torture scf --allcpus --duration "$duration_scftorture" --configs "$configs_scftorture" --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --trust-make
fi

if test "$do_refscale" = yes
then
	primlist="`grep '\.name[ 	]*=' kernel/rcu/refscale.c | sed -e 's/^[^"]*"//' -e 's/".*$//'`"
else
	primlist=
fi
for prim in $primlist
do
	torture_bootargs="refscale.scale_type="$prim" refscale.nreaders=$HALF_ALLOTED_CPUS refscale.loops=10000 refscale.holdoff=20 torture.disable_onoff_at_boot"
	torture_set "refscale-$prim" tools/testing/selftests/rcutorture/bin/kvm.sh --torture refscale --allcpus --duration 5 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --bootargs "verbose_batched=$VERBOSE_BATCH_CPUS torture.verbose_sleep_frequency=8 torture.verbose_sleep_duration=$VERBOSE_BATCH_CPUS" --trust-make
done

if test "$do_rcuscale" = yes
then
	primlist="`grep '\.name[ 	]*=' kernel/rcu/rcuscale.c | sed -e 's/^[^"]*"//' -e 's/".*$//'`"
else
	primlist=
fi
for prim in $primlist
do
	torture_bootargs="rcuscale.scale_type="$prim" rcuscale.nwriters=$HALF_ALLOTED_CPUS rcuscale.holdoff=20 torture.disable_onoff_at_boot"
	torture_set "rcuscale-$prim" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 5 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --trust-make
done

if test "$do_kvfree" = "yes"
then
	torture_bootargs="rcuscale.kfree_rcu_test=1 rcuscale.kfree_nthreads=16 rcuscale.holdoff=20 rcuscale.kfree_loops=10000 torture.disable_onoff_at_boot"
	torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 1G --trust-make
fi

if test "$do_clocksourcewd" = "yes"
then
	torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog"
	torture_set "clocksourcewd-1" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make

torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog"
	torture_set "clocksourcewd-2" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make

# In case our work is already done...
	if test "$do_rcutorture" != "yes"
	then
		torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 tsc=watchdog"
		torture_set "clocksourcewd-3" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --trust-make
	fi
fi

echo " --- " $scriptname $args
echo " --- " Done `date` | tee -a $T/log
ret=0
nsuccesses=0
echo SUCCESSES: | tee -a $T/log
if test -s "$T/successes"
then
	cat "$T/successes" | tee -a $T/log
	nsuccesses="`wc -l "$T/successes" | awk '{ print $1 }'`"
fi
nfailures=0
echo FAILURES: | tee -a $T/log
if test -s "$T/failures"
then
	cat "$T/failures" | tee -a $T/log
	nfailures="`wc -l "$T/failures" | awk '{ print $1 }'`"
	ret=2
fi
if test "$do_kcsan" = "yes"
then
	TORTURE_KCONFIG_KCSAN_ARG=1 tools/testing/selftests/rcutorture/bin/kcsan-collapse.sh tools/testing/selftests/rcutorture/res/$ds > tools/testing/selftests/rcutorture/res/$ds/kcsan.sum
fi
echo Started at $startdate, ended at `date`, duration `get_starttime_duration $starttime`. | tee -a $T/log
echo Summary: Successes: $nsuccesses Failures: $nfailures. | tee -a $T/log
tdir="`cat $T/successes $T/failures | head -1 | awk '{ print $NF }' | sed -e 's,/[^/]\+/*$,,'`"
if test -n "$tdir" && test $compress_kasan_vmlinux -gt 0
then
	# KASAN vmlinux files can approach 1GB in size, so compress them.
	echo Looking for KASAN files to compress: `date` > "$tdir/log-xz" 2>&1
	find "$tdir" -type d -name '*-kasan' -print > $T/xz-todo
	ncompresses=0
	batchno=1
	if test -s $T/xz-todo
	then
		echo Size before compressing: `du -sh $tdir | awk '{ print $1 }'` `date` 2>&1 | tee -a "$tdir/log-xz" | tee -a $T/log
		for i in `cat $T/xz-todo`
		do
			echo Compressing vmlinux files in ${i}: `date` >> "$tdir/log-xz" 2>&1
			for j in $i/*/vmlinux
			do
				xz "$j" >> "$tdir/log-xz" 2>&1 &
				ncompresses=$((ncompresses+1))
				if test $ncompresses -ge $compress_kasan_vmlinux
				then
					echo Waiting for batch $batchno of $ncompresses compressions `date` | tee -a "$tdir/log-xz" | tee -a $T/log
					wait
					ncompresses=0
					batchno=$((batchno+1))
				fi
			done
		done
		if test $ncompresses -gt 0
		then
			echo Waiting for final batch $batchno of $ncompresses compressions `date` | tee -a "$tdir/log-xz" | tee -a $T/log
		fi
		wait
		echo Size after compressing: `du -sh $tdir | awk '{ print $1 }'` `date` 2>&1 | tee -a "$tdir/log-xz" | tee -a $T/log
		echo Total duration `get_starttime_duration $starttime`. | tee -a $T/log
	else
		echo No compression needed: `date` >> "$tdir/log-xz" 2>&1
	fi
fi
if test -n "$tdir"
then
	cp $T/log "$tdir"
fi
exit $ret

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