blob: eae88aacca2aa19fc4a849bdad145d73c1ac7f44 [file] [log] [blame]
#!/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 " --doall"
echo " --doallmodconfig / --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" --memory 1G --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"
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 clocksource.max_cswd_read_retries=1"
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"
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
for i in `cat $T/xz-todo`
do
find $i -name 'vmlinux*' -print
done | wc -l | awk '{ print $1 }' > $T/xz-todo-count
n2compress="`cat $T/xz-todo-count`"
echo Size before compressing $n2compress files: `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 $n2compress files: `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