FM / bin

/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/rcutorture/bin/

/usr/src/linux-headers-5.15.0-190/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-5.15.0-190/tools/testing/selftests/rcutorture/bin/kvm-remote.sh (7188B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Run a series of tests on remote systems under KVM.
#
# Usage: kvm-remote.sh "systems" [ <kvm.sh args> ]
#	 kvm-remote.sh "systems" /path/to/old/run [ <kvm-again.sh args> ]
#
# Copyright (C) 2021 Facebook, Inc.
#
# Authors: Paul E. McKenney <paulmck@kernel.org>

scriptname=$0
args="$*"

if ! test -d tools/testing/selftests/rcutorture/bin
then
	echo $scriptname must be run from top-level directory of kernel source tree.
	exit 1
fi

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

starttime="`get_starttime`"

systems="$1"
if test -z "$systems"
then
	echo $scriptname: Empty list of systems will go nowhere good, giving up.
	exit 1
fi
shift

# Pathnames:
# T:	  /tmp/kvm-remote.sh.$$
# resdir: /tmp/kvm-remote.sh.$$/res
# rundir: /tmp/kvm-remote.sh.$$/res/$ds ("-remote" suffix)
# oldrun: `pwd`/tools/testing/.../res/$otherds
#
# Pathname segments:
# TD:	  kvm-remote.sh.$$
# ds:	  yyyy.mm.dd-hh.mm.ss-remote

TD=kvm-remote.sh.$$
T=${TMPDIR-/tmp}/$TD
trap 'rm -rf $T' 0
mkdir $T

resdir="$T/res"
ds=`date +%Y.%m.%d-%H.%M.%S`-remote
rundir=$resdir/$ds
echo Results directory: $rundir
echo $scriptname $args
if echo $1 | grep -q '^--'
then
	# Fresh build.  Create a datestamp unless the caller supplied one.
	datestamp="`echo "$@" | awk -v ds="$ds" '{
		for (i = 1; i < NF; i++) {
			if ($i == "--datestamp") {
				ds = "";
				break;
			}
		}
		if (ds != "")
			print "--datestamp " ds;
	}'`"
	kvm.sh --remote "$@" $datestamp --buildonly > $T/kvm.sh.out 2>&1
	ret=$?
	if test "$ret" -ne 0
	then
		echo $scriptname: kvm.sh failed exit code $?
		cat $T/kvm.sh.out
		exit 2
	fi
	oldrun="`grep -m 1 "^Results directory: " $T/kvm.sh.out | awk '{ print $3 }'`"
	touch "$oldrun/remote-log"
	echo $scriptname $args >> "$oldrun/remote-log"
	echo | tee -a "$oldrun/remote-log"
	echo " ----" kvm.sh output: "(`date`)" | tee -a "$oldrun/remote-log"
	cat $T/kvm.sh.out | tee -a "$oldrun/remote-log"
	# We are going to run this, so remove the buildonly files.
	rm -f "$oldrun"/*/buildonly
	kvm-again.sh $oldrun --dryrun --remote --rundir "$rundir" > $T/kvm-again.sh.out 2>&1
	ret=$?
	if test "$ret" -ne 0
	then
		echo $scriptname: kvm-again.sh failed exit code $? | tee -a "$oldrun/remote-log"
		cat $T/kvm-again.sh.out | tee -a "$oldrun/remote-log"
		exit 2
	fi
else
	# Re-use old run.
	oldrun="$1"
	if ! echo $oldrun | grep -q '^/'
	then
		oldrun="`pwd`/$oldrun"
	fi
	shift
	touch "$oldrun/remote-log"
	echo $scriptname $args >> "$oldrun/remote-log"
	kvm-again.sh "$oldrun" "$@" --dryrun --remote --rundir "$rundir" > $T/kvm-again.sh.out 2>&1
	ret=$?
	if test "$ret" -ne 0
	then
		echo $scriptname: kvm-again.sh failed exit code $? | tee -a "$oldrun/remote-log"
		cat $T/kvm-again.sh.out | tee -a "$oldrun/remote-log"
		exit 2
	fi
	cp -a "$rundir" "$KVM/res/"
	oldrun="$KVM/res/$ds"
fi
echo | tee -a "$oldrun/remote-log"
echo " ----" kvm-again.sh output: "(`date`)" | tee -a "$oldrun/remote-log"
cat $T/kvm-again.sh.out
echo | tee -a "$oldrun/remote-log"
echo Remote run directory: $rundir | tee -a "$oldrun/remote-log"
echo Local build-side run directory: $oldrun | tee -a "$oldrun/remote-log"

# Create the kvm-remote-N.sh scripts in the bin directory.
awk < "$rundir"/scenarios -v dest="$T/bin" -v rundir="$rundir" '
{
	n = $1;
	sub(/\./, "", n);
	fn = dest "/kvm-remote-" n ".sh"
	print "kvm-remote-noreap.sh " rundir " &" > fn;
	scenarios = "";
	for (i = 2; i <= NF; i++)
		scenarios = scenarios " " $i;
	print "kvm-test-1-run-batch.sh" scenarios >> fn;
	print "sync" >> fn;
	print "rm " rundir "/remote.run" >> fn;
}'
chmod +x $T/bin/kvm-remote-*.sh
( cd "`dirname $T`"; tar -chzf $T/binres.tgz "$TD/bin" "$TD/res" )

# Check first to avoid the need for cleanup for system-name typos
for i in $systems
do
	ncpus="`ssh $i getconf _NPROCESSORS_ONLN 2> /dev/null`"
	echo $i: $ncpus CPUs " " `date` | tee -a "$oldrun/remote-log"
	ret=$?
	if test "$ret" -ne 0
	then
		echo System $i unreachable, giving up. | tee -a "$oldrun/remote-log"
		exit 4 | tee -a "$oldrun/remote-log"
	fi
done

# Download and expand the tarball on all systems.
for i in $systems
do
	echo Downloading tarball to $i `date` | tee -a "$oldrun/remote-log"
	cat $T/binres.tgz | ssh $i "cd /tmp; tar -xzf -"
	ret=$?
	if test "$ret" -ne 0
	then
		echo Unable to download $T/binres.tgz to system $i, giving up. | tee -a "$oldrun/remote-log"
		exit 10 | tee -a "$oldrun/remote-log"
	fi
done

# Function to check for presence of a file on the specified system.
# Complain if the system cannot be reached, and retry after a wait.
# Currently just waits forever if a machine disappears.
#
# Usage: checkremotefile system pathname
checkremotefile () {
	local ret
	local sleeptime=60

while :
	do
		ssh $1 "test -f \"$2\""
		ret=$?
		if test "$ret" -eq 255
		then
			echo " ---" ssh failure to $1 checking for file $2, retry after $sleeptime seconds. `date`
		elif test "$ret" -eq 0
		then
			return 0
		elif test "$ret" -eq 1
		then
			echo " ---" File \"$2\" not found: ssh $1 test -f \"$2\"
			return 1
		else
			echo " ---" Exit code $ret: ssh $1 test -f \"$2\", retry after $sleeptime seconds. `date`
			return $ret
		fi
		sleep $sleeptime
	done
}

# Function to start batches on idle remote $systems
#
# Usage: startbatches curbatch nbatches
#
# Batches are numbered starting at 1.  Returns the next batch to start.
# Be careful to redirect all debug output to FD 2 (stderr).
startbatches () {
	local curbatch="$1"
	local nbatches="$2"
	local ret

# Each pass through the following loop examines one system.
	for i in $systems
	do
		if test "$curbatch" -gt "$nbatches"
		then
			echo $((nbatches + 1))
			return 0
		fi
		if checkremotefile "$i" "$resdir/$ds/remote.run" 1>&2
		then
			continue # System still running last test, skip.
		fi
		ssh "$i" "cd \"$resdir/$ds\"; touch remote.run; PATH=\"$T/bin:$PATH\" nohup kvm-remote-$curbatch.sh > kvm-remote-$curbatch.sh.out 2>&1 &" 1>&2
		ret=$?
		if test "$ret" -ne 0
		then
			echo ssh $i failed: exitcode $ret 1>&2
			exit 11
		fi
		echo " ----" System $i Batch `head -n $curbatch < "$rundir"/scenarios | tail -1` `date` 1>&2
		curbatch=$((curbatch + 1))
	done
	echo $curbatch
}

# Launch all the scenarios.
nbatches="`wc -l "$rundir"/scenarios | awk '{ print $1 }'`"
curbatch=1
while test "$curbatch" -le "$nbatches"
do
	startbatches $curbatch $nbatches > $T/curbatch 2> $T/startbatches.stderr
	curbatch="`cat $T/curbatch`"
	if test -s "$T/startbatches.stderr"
	then
		cat "$T/startbatches.stderr" | tee -a "$oldrun/remote-log"
	fi
	if test "$curbatch" -le "$nbatches"
	then
		sleep 30
	fi
done
echo All batches started. `date`

# Wait for all remaining scenarios to complete and collect results.
for i in $systems
do
	while checkremotefile "$i" "$resdir/$ds/remote.run"
	do
		sleep 30
	done
	echo " ---" Collecting results from $i `date`
	( cd "$oldrun"; ssh $i "cd $rundir; tar -czf - kvm-remote-*.sh.out */console.log */kvm-test-1-run*.sh.out */qemu[_-]pid */qemu-retval */qemu-affinity; rm -rf $T > /dev/null 2>&1" | tar -xzf - )
done

( kvm-end-run-stats.sh "$oldrun" "$starttime"; echo $? > $T/exitcode ) | tee -a "$oldrun/remote-log"
exit "`cat $T/exitcode`"

cmd: