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-rw-r--r--tools/testing/selftests/rcutorture/bin/functions.sh1
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh51
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh51
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck.sh13
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh (renamed from tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh)53
-rw-r--r--tools/testing/selftests/rcutorture/bin/kvm.sh276
6 files changed, 384 insertions, 61 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh
index 587561d7c035..9b17e810ddc3 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -96,6 +96,7 @@ identify_qemu () {
echo qemu-system-ppc64
else
echo Cannot figure out what qemu command to use! 1>&2
+ echo file $1 output: $u
# Usually this will be one of /usr/bin/qemu-system-*
# Use RCU_QEMU_CMD environment variable or appropriate
# argument to top-level script.
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh
new file mode 100755
index 000000000000..829186e19eb1
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-lock.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+# Analyze a given results directory for locktorture progress.
+#
+# Usage: sh kvm-recheck-lock.sh resdir
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, you can access it online at
+# http://www.gnu.org/licenses/gpl-2.0.html.
+#
+# Copyright (C) IBM Corporation, 2014
+#
+# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+
+i="$1"
+if test -d $i
+then
+ :
+else
+ echo Unreadable results directory: $i
+ exit 1
+fi
+
+configfile=`echo $i | sed -e 's/^.*\///'`
+ncs=`grep "Writes: Total:" $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* Total: //' -e 's/ .*$//'`
+if test -z "$ncs"
+then
+ echo $configfile
+else
+ title="$configfile ------- $ncs acquisitions/releases"
+ dur=`sed -e 's/^.* locktorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`
+ if test -z "$dur"
+ then
+ :
+ else
+ ncsps=`awk -v ncs=$ncs -v dur=$dur '
+ BEGIN { print ncs / dur }' < /dev/null`
+ title="$title ($ncsps per second)"
+ fi
+ echo $title
+fi
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
new file mode 100755
index 000000000000..d75b1dc5ae53
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+#
+# Analyze a given results directory for rcutorture progress.
+#
+# Usage: sh kvm-recheck-rcu.sh resdir
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, you can access it online at
+# http://www.gnu.org/licenses/gpl-2.0.html.
+#
+# Copyright (C) IBM Corporation, 2014
+#
+# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+
+i="$1"
+if test -d $i
+then
+ :
+else
+ echo Unreadable results directory: $i
+ exit 1
+fi
+
+configfile=`echo $i | sed -e 's/^.*\///'`
+ngps=`grep ver: $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* ver: //' -e 's/ .*$//'`
+if test -z "$ngps"
+then
+ echo $configfile
+else
+ title="$configfile ------- $ngps grace periods"
+ dur=`sed -e 's/^.* rcutorture.shutdown_secs=//' -e 's/ .*$//' < $i/qemu-cmd 2> /dev/null`
+ if test -z "$dur"
+ then
+ :
+ else
+ ngpsps=`awk -v ngps=$ngps -v dur=$dur '
+ BEGIN { print ngps / dur }' < /dev/null`
+ title="$title ($ngpsps per second)"
+ fi
+ echo $title
+fi
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
index baef09f3469b..a44daaa259a9 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
@@ -1,6 +1,6 @@
#!/bin/bash
#
-# Given the results directories for previous KVM runs of rcutorture,
+# Given the results directories for previous KVM-based torture runs,
# check the build and console output for errors. Given a directory
# containing results directories, this recursively checks them all.
#
@@ -27,11 +27,18 @@
PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH
for rd in "$@"
do
+ firsttime=1
dirs=`find $rd -name Make.defconfig.out -print | sort | sed -e 's,/[^/]*$,,' | sort -u`
for i in $dirs
do
- configfile=`echo $i | sed -e 's/^.*\///'`
- echo $configfile
+ if test -n "$firsttime"
+ then
+ firsttime=""
+ resdir=`echo $i | sed -e 's,/$,,' -e 's,/[^/]*$,,'`
+ head -1 $resdir/log
+ fi
+ TORTURE_SUITE="`cat $i/../TORTURE_SUITE`"
+ kvm-recheck-${TORTURE_SUITE}.sh $i
configcheck.sh $i/.config $i/ConfigFragment
parse-build.sh $i/Make.out $configfile
parse-rcutorture.sh $i/console.log $configfile
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 151b23788935..94b28bb37d36 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -6,15 +6,15 @@
# Execute this in the source tree. Do not run it as a background task
# because qemu does not seem to like that much.
#
-# Usage: sh kvm-test-1-rcu.sh config builddir resdir minutes qemu-args bootargs
+# Usage: sh kvm-test-1-run.sh config builddir resdir minutes qemu-args boot_args
#
-# qemu-args defaults to "" -- you will want "-nographic" if running headless.
-# bootargs defaults to "root=/dev/sda noapic selinux=0 console=ttyS0"
-# "initcall_debug debug rcutorture.stat_interval=15"
-# "rcutorture.shutdown_secs=$((minutes * 60))"
-# "rcutorture.rcutorture_runnable=1"
+# qemu-args defaults to "-nographic", along with arguments specifying the
+# number of CPUs and other options generated from
+# the underlying CPU architecture.
+# boot_args defaults to value returned by the per_version_boot_params
+# shell function.
#
-# Anything you specify for either qemu-args or bootargs is appended to
+# Anything you specify for either qemu-args or boot_args is appended to
# the default values. The "-smp" value is deduced from the contents of
# the config fragment.
#
@@ -40,32 +40,34 @@
grace=120
-T=/tmp/kvm-test-1-rcu.sh.$$
+T=/tmp/kvm-test-1-run.sh.$$
trap 'rm -rf $T' 0
. $KVM/bin/functions.sh
. $KVPATH/ver_functions.sh
config_template=${1}
+config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'`
title=`echo $config_template | sed -e 's/^.*\///'`
builddir=${2}
if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir"
then
- echo "kvm-test-1-rcu.sh :$builddir: Not a writable directory, cannot build into it"
+ echo "kvm-test-1-run.sh :$builddir: Not a writable directory, cannot build into it"
exit 1
fi
resdir=${3}
if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir"
then
- echo "kvm-test-1-rcu.sh :$resdir: Not a writable directory, cannot build into it"
+ echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it"
exit 1
fi
cp $config_template $resdir/ConfigFragment
echo ' ---' `date`: Starting build
echo ' ---' Kconfig fragment at: $config_template >> $resdir/log
-cat << '___EOF___' >> $T
-CONFIG_RCU_TORTURE_TEST=y
-___EOF___
+if test -r "$config_dir/CFcommon"
+then
+ cat < $config_dir/CFcommon >> $T
+fi
# Optimizations below this point
# CONFIG_USB=n
# CONFIG_SECURITY=n
@@ -96,11 +98,23 @@ then
cp $builddir/.config $resdir
cp $builddir/arch/x86/boot/bzImage $resdir
parse-build.sh $resdir/Make.out $title
+ if test -f $builddir.wait
+ then
+ mv $builddir.wait $builddir.ready
+ fi
else
cp $builddir/Make*.out $resdir
echo Build failed, not running KVM, see $resdir.
+ if test -f $builddir.wait
+ then
+ mv $builddir.wait $builddir.ready
+ fi
exit 1
fi
+while test -f $builddir.ready
+do
+ sleep 1
+done
minutes=$4
seconds=$(($minutes * 60))
qemu_args=$5
@@ -111,9 +125,10 @@ kstarttime=`awk 'BEGIN { print systime() }' < /dev/null`
echo ' ---' `date`: Starting kernel
# Determine the appropriate flavor of qemu command.
-QEMU="`identify_qemu $builddir/vmlinux.o`"
+QEMU="`identify_qemu $builddir/vmlinux`"
# Generate -smp qemu argument.
+qemu_args="-nographic $qemu_args"
cpu_count=`configNR_CPUS.sh $config_template`
vcpus=`identify_qemu_vcpus`
if test $cpu_count -gt $vcpus
@@ -133,12 +148,8 @@ qemu_append="`identify_qemu_append "$QEMU"`"
# Pull in Kconfig-fragment boot parameters
boot_args="`configfrag_boot_params "$boot_args" "$config_template"`"
-# Generate CPU-hotplug boot parameters
-boot_args="`rcutorture_param_onoff "$boot_args" $builddir/.config`"
-# Generate rcu_barrier() boot parameter
-boot_args="`rcutorture_param_n_barrier_cbs "$boot_args"`"
-# Pull in standard rcutorture boot arguments
-boot_args="$boot_args rcutorture.stat_interval=15 rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1"
+# Generate kernel-version-specific boot parameters
+boot_args="`per_version_boot_params "$boot_args" $builddir/.config $seconds`"
echo $QEMU $qemu_args -m 512 -kernel $builddir/arch/x86/boot/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
if test -n "$RCU_BUILDONLY"
@@ -188,5 +199,5 @@ then
fi
cp $builddir/console.log $resdir
-parse-rcutorture.sh $resdir/console.log $title
+parse-${TORTURE_SUITE}torture.sh $resdir/console.log $title
parse-console.sh $resdir/console.log $title
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 1b7923bf6a70..5a78cbf55f06 100644
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -30,14 +30,21 @@
scriptname=$0
args="$*"
+T=/tmp/kvm.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
+
dur=30
+dryrun=""
KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
PATH=${KVM}/bin:$PATH; export PATH
builddir="${KVM}/b1"
RCU_INITRD="$KVM/initrd"; export RCU_INITRD
RCU_KMAKE_ARG=""; export RCU_KMAKE_ARG
+TORTURE_SUITE=rcu
resdir=""
configs=""
+cpus=0
ds=`date +%Y.%m.%d-%H:%M:%S`
kversion=""
@@ -49,7 +56,9 @@ usage () {
echo " --builddir absolute-pathname"
echo " --buildonly"
echo " --configs \"config-file list\""
+ echo " --cpus N"
echo " --datestamp string"
+ echo " --dryrun sched|script"
echo " --duration minutes"
echo " --interactive"
echo " --kmake-arg kernel-make-arguments"
@@ -58,8 +67,9 @@ usage () {
echo " --no-initrd"
echo " --qemu-args qemu-system-..."
echo " --qemu-cmd qemu-system-..."
- echo " --results absolute-pathname"
echo " --relbuilddir relative-pathname"
+ echo " --results absolute-pathname"
+ echo " --torture rcu"
exit 1
}
@@ -85,11 +95,21 @@ do
configs="$2"
shift
;;
+ --cpus)
+ checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--'
+ cpus=$2
+ shift
+ ;;
--datestamp)
checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
ds=$2
shift
;;
+ --dryrun)
+ checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--'
+ dryrun=$2
+ shift
+ ;;
--duration)
checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error'
dur=$2
@@ -138,6 +158,11 @@ do
resdir=$2
shift
;;
+ --torture)
+ checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--'
+ TORTURE_SUITE=$2
+ shift
+ ;;
*)
echo Unknown argument $1
usage
@@ -146,7 +171,7 @@ do
shift
done
-CONFIGFRAG=${KVM}/configs; export CONFIGFRAG
+CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG
KVPATH=${CONFIGFRAG}/$kversion; export KVPATH
if test -z "$configs"
@@ -157,54 +182,231 @@ fi
if test -z "$resdir"
then
resdir=$KVM/res
- if ! test -e $resdir
- then
- mkdir $resdir || :
- fi
-else
+fi
+
+if test "$dryrun" = ""
+then
if ! test -e $resdir
then
mkdir -p "$resdir" || :
fi
-fi
-mkdir $resdir/$ds
-touch $resdir/$ds/log
-echo $scriptname $args >> $resdir/$ds/log
+ mkdir $resdir/$ds
-pwd > $resdir/$ds/testid.txt
-if test -d .git
-then
- git status >> $resdir/$ds/testid.txt
- git rev-parse HEAD >> $resdir/$ds/testid.txt
-fi
-builddir=$KVM/b1
-if ! test -e $builddir
-then
- mkdir $builddir || :
+ # Be noisy only if running the script.
+ echo Results directory: $resdir/$ds
+ echo $scriptname $args
+
+ touch $resdir/$ds/log
+ echo $scriptname $args >> $resdir/$ds/log
+ echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE
+
+ pwd > $resdir/$ds/testid.txt
+ if test -d .git
+ then
+ git status >> $resdir/$ds/testid.txt
+ git rev-parse HEAD >> $resdir/$ds/testid.txt
+ fi
fi
+# Create a file of test-name/#cpus pairs, sorted by decreasing #cpus.
+touch $T/cfgcpu
for CF in $configs
do
- # Running TREE01 multiple times creates TREE01, TREE01.2, TREE01.3, ...
- rd=$resdir/$ds/$CF
- if test -d "${rd}"
+ if test -f "$CONFIGFRAG/$kversion/$CF"
then
- n="`ls -d "${rd}"* | grep '\.[0-9]\+$' |
- sed -e 's/^.*\.\([0-9]\+\)/\1/' |
- sort -k1n | tail -1`"
- if test -z "$n"
- then
- rd="${rd}.2"
- else
- n="`expr $n + 1`"
- rd="${rd}.${n}"
- fi
+ echo $CF `configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` >> $T/cfgcpu
+ else
+ echo "The --configs file $CF does not exist, terminating."
+ exit 1
fi
- mkdir "${rd}"
- echo Results directory: $rd
- kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic $RCU_QEMU_ARG" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 $RCU_BOOTARGS"
done
+sort -k2nr $T/cfgcpu > $T/cfgcpu.sort
+
+# Use a greedy bin-packing algorithm, sorting the list accordingly.
+awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus '
+BEGIN {
+ njobs = 0;
+}
+
+{
+ # Read file of tests and corresponding required numbers of CPUs.
+ cf[njobs] = $1;
+ cpus[njobs] = $2;
+ njobs++;
+}
+
+END {
+ alldone = 0;
+ batch = 0;
+ nc = -1;
+
+ # Each pass through the following loop creates on test batch
+ # that can be executed concurrently given ncpus. Note that a
+ # given test that requires more than the available CPUs will run in
+ # their own batch. Such tests just have to make do with what
+ # is available.
+ while (nc != ncpus) {
+ batch++;
+ nc = ncpus;
+
+ # Each pass through the following loop considers one
+ # test for inclusion in the current batch.
+ for (i = 0; i < njobs; i++) {
+ if (done[i])
+ continue; # Already part of a batch.
+ if (nc >= cpus[i] || nc == ncpus) {
+
+ # This test fits into the current batch.
+ done[i] = batch;
+ nc -= cpus[i];
+ if (nc <= 0)
+ break; # Too-big test in its own batch.
+ }
+ }
+ }
+
+ # Dump out the tests in batch order.
+ for (b = 1; b <= batch; b++)
+ for (i = 0; i < njobs; i++)
+ if (done[i] == b)
+ print cf[i], cpus[i];
+}'
+
+# Generate a script to execute the tests in appropriate batches.
+cat << ___EOF___ > $T/script
+TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
+___EOF___
+awk < $T/cfgcpu.pack \
+ -v CONFIGDIR="$CONFIGFRAG/$kversion/" \
+ -v KVM="$KVM" \
+ -v ncpus=$cpus \
+ -v rd=$resdir/$ds/ \
+ -v dur=$dur \
+ -v RCU_QEMU_ARG=$RCU_QEMU_ARG \
+ -v RCU_BOOTARGS=$RCU_BOOTARGS \
+'BEGIN {
+ i = 0;
+}
+
+{
+ cf[i] = $1;
+ cpus[i] = $2;
+ i++;
+}
+
+# Dump out the scripting required to run one test batch.
+function dump(first, pastlast)
+{
+ print "echo ----Start batch: `date`";
+ print "echo ----Start batch: `date` >> " rd "/log";
+ jn=1
+ for (j = first; j < pastlast; j++) {
+ builddir=KVM "/b" jn
+ cpusr[jn] = cpus[j];
+ if (cfrep[cf[j]] == "") {
+ cfr[jn] = cf[j];
+ cfrep[cf[j]] = 1;
+ } else {
+ cfrep[cf[j]]++;
+ cfr[jn] = cf[j] "." cfrep[cf[j]];
+ }
+ if (cpusr[jn] > ncpus && ncpus != 0)
+ ovf = "(!)";
+ else
+ ovf = "";
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`";
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log";
+ print "rm -f " builddir ".*";
+ print "touch " builddir ".wait";
+ print "mkdir " builddir " > /dev/null 2>&1 || :";
+ print "mkdir " rd cfr[jn] " || :";
+ print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" RCU_QEMU_ARG "\" \"" RCU_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &"
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`";
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log";
+ print "while test -f " builddir ".wait"
+ print "do"
+ print "\tsleep 1"
+ print "done"
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`";
+ print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log";
+ jn++;
+ }
+ for (j = 1; j < jn; j++) {
+ builddir=KVM "/b" j
+ print "rm -f " builddir ".ready"
+ print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`";
+ print "echo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log";
+ }
+ print "wait"
+ print "echo ---- All kernel runs complete. `date`";
+ print "echo ---- All kernel runs complete. `date` >> " rd "/log";
+ for (j = 1; j < jn; j++) {
+ builddir=KVM "/b" j
+ print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results:";
+ print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: >> " rd "/log";
+ print "cat " rd cfr[j] "/kvm-test-1-run.sh.out";
+ print "cat " rd cfr[j] "/kvm-test-1-run.sh.out >> " rd "/log";
+ }
+}
+
+END {
+ njobs = i;
+ nc = ncpus;
+ first = 0;
+
+ # Each pass through the following loop considers one test.
+ for (i = 0; i < njobs; i++) {
+ if (ncpus == 0) {
+ # Sequential test specified, each test its own batch.
+ dump(i, i + 1);
+ first = i;
+ } else if (nc < cpus[i] && i != 0) {
+ # Out of CPUs, dump out a batch.
+ dump(first, i);
+ first = i;
+ nc = ncpus;
+ }
+ # Account for the CPUs needed by the current test.
+ nc -= cpus[i];
+ }
+ # Dump the last batch.
+ if (ncpus != 0)
+ dump(first, i);
+}' >> $T/script
+
+if test "$dryrun" = script
+then
+ # Dump out the script, but define the environment variables that
+ # it needs to run standalone.
+ echo CONFIGFRAG="$CONFIGFRAG; export CONFIGFRAG"
+ echo KVM="$KVM; export KVM"
+ echo KVPATH="$KVPATH; export KVPATH"
+ echo PATH="$PATH; export PATH"
+ echo RCU_BUILDONLY="$RCU_BUILDONLY; export RCU_BUILDONLY"
+ echo RCU_INITRD="$RCU_INITRD; export RCU_INITRD"
+ echo RCU_KMAKE_ARG="$RCU_KMAKE_ARG; export RCU_KMAKE_ARG"
+ echo RCU_QEMU_CMD="$RCU_QEMU_CMD; export RCU_QEMU_CMD"
+ echo RCU_QEMU_INTERACTIVE="$RCU_QEMU_INTERACTIVE; export RCU_QEMU_INTERACTIVE"
+ echo RCU_QEMU_MAC="$RCU_QEMU_MAC; export RCU_QEMU_MAC"
+ echo "mkdir -p "$resdir" || :"
+ echo "mkdir $resdir/$ds"
+ cat $T/script
+ exit 0
+elif test "$dryrun" = sched
+then
+ # Extract the test run schedule from the script.
+ egrep 'start batch|Starting build\.' $T/script |
+ sed -e 's/:.*$//' -e 's/^echo //'
+ exit 0
+else
+ # Not a dryru, so run the script.
+ sh $T/script
+fi
+
# Tracing: trace_event=rcu:rcu_grace_period,rcu:rcu_future_grace_period,rcu:rcu_grace_period_init,rcu:rcu_nocb_wake,rcu:rcu_preempt_task,rcu:rcu_unlock_preempted_task,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_kfree_callback,rcu:rcu_batch_start,rcu:rcu_invoke_callback,rcu:rcu_invoke_kfree_callback,rcu:rcu_batch_end,rcu:rcu_torture_read,rcu:rcu_barrier
+echo
+echo
echo " --- `date` Test summary:"
+echo Results directory: $resdir/$ds
kvm-recheck.sh $resdir/$ds