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-rwxr-xr-xtools/testing/selftests/rcutorture/bin/cpus2use.sh1
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/jitter.sh12
-rw-r--r--tools/testing/selftests/rcutorture/bin/jitterstart.sh37
-rw-r--r--tools/testing/selftests/rcutorture/bin/jitterstop.sh23
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-again.sh199
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck.sh2
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run-batch.sh67
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh176
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh218
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-transform.sh54
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm.sh98
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/torture.sh2
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/CFLIST4
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-T (renamed from tools/testing/selftests/rcutorture/configs/rcu/SRCU-t)0
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-T.boot (renamed from tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot)0
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-U (renamed from tools/testing/selftests/rcutorture/configs/rcu/SRCU-u)0
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/SRCU-U.boot (renamed from tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot)0
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot2
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot2
-rw-r--r--tools/testing/selftests/rcutorture/configs/rcuscale/ver_functions.sh2
-rw-r--r--tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh2
21 files changed, 689 insertions, 212 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/cpus2use.sh b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
index 1dbfb62567d2..6bb993001680 100755
--- a/tools/testing/selftests/rcutorture/bin/cpus2use.sh
+++ b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
@@ -21,7 +21,6 @@ then
awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
else
# No mpstat command, so use all available CPUs.
- echo The mpstat command is not available, so greedily using all CPUs.
idlecpus=$ncpus
fi
awk -v ncpus=$ncpus -v idlecpus=$idlecpus < /dev/null '
diff --git a/tools/testing/selftests/rcutorture/bin/jitter.sh b/tools/testing/selftests/rcutorture/bin/jitter.sh
index 3a856ec2e92a..15d937ba96ca 100755
--- a/tools/testing/selftests/rcutorture/bin/jitter.sh
+++ b/tools/testing/selftests/rcutorture/bin/jitter.sh
@@ -5,10 +5,11 @@
# of this script is to inflict random OS jitter on a concurrently running
# test.
#
-# Usage: jitter.sh me duration [ sleepmax [ spinmax ] ]
+# Usage: jitter.sh me jittering-path duration [ sleepmax [ spinmax ] ]
#
# me: Random-number-generator seed salt.
# duration: Time to run in seconds.
+# jittering-path: Path to file whose removal will stop this script.
# sleepmax: Maximum microseconds to sleep, defaults to one second.
# spinmax: Maximum microseconds to spin, defaults to one millisecond.
#
@@ -17,9 +18,10 @@
# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
me=$(($1 * 1000))
-duration=$2
-sleepmax=${3-1000000}
-spinmax=${4-1000}
+jittering=$2
+duration=$3
+sleepmax=${4-1000000}
+spinmax=${5-1000}
n=1
@@ -47,7 +49,7 @@ do
fi
# Check for stop request.
- if test -f "$TORTURE_STOPFILE"
+ if ! test -f "$jittering"
then
exit 1;
fi
diff --git a/tools/testing/selftests/rcutorture/bin/jitterstart.sh b/tools/testing/selftests/rcutorture/bin/jitterstart.sh
new file mode 100644
index 000000000000..3d710ad291c3
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/jitterstart.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Start up the specified number of jitter.sh scripts in the background.
+#
+# Usage: . jitterstart.sh n jittering-dir duration [ sleepmax [ spinmax ] ]
+#
+# n: Number of jitter.sh scripts to start up.
+# jittering-dir: Directory in which to put "jittering" file.
+# duration: Time to run in seconds.
+# sleepmax: Maximum microseconds to sleep, defaults to one second.
+# spinmax: Maximum microseconds to spin, defaults to one millisecond.
+#
+# Copyright (C) 2021 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+jitter_n=$1
+if test -z "$jitter_n"
+then
+ echo jitterstart.sh: Missing count of jitter.sh scripts to start.
+ exit 33
+fi
+jittering_dir=$2
+if test -z "$jittering_dir"
+then
+ echo jitterstart.sh: Missing directory in which to place jittering file.
+ exit 34
+fi
+shift
+shift
+
+touch ${jittering_dir}/jittering
+for ((jitter_i = 1; jitter_i <= $jitter_n; jitter_i++))
+do
+ jitter.sh $jitter_i "${jittering_dir}/jittering" "$@" &
+done
diff --git a/tools/testing/selftests/rcutorture/bin/jitterstop.sh b/tools/testing/selftests/rcutorture/bin/jitterstop.sh
new file mode 100644
index 000000000000..576a4cf4b79a
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/jitterstop.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Remove the "jittering" file, signaling the jitter.sh scripts to stop,
+# then wait for them to terminate.
+#
+# Usage: . jitterstop.sh jittering-dir
+#
+# jittering-dir: Directory containing "jittering" file.
+#
+# Copyright (C) 2021 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+jittering_dir=$1
+if test -z "$jittering_dir"
+then
+ echo jitterstop.sh: Missing directory in which to place jittering file.
+ exit 34
+fi
+
+rm -f ${jittering_dir}/jittering
+wait
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-again.sh b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
new file mode 100755
index 000000000000..46e47a00a7db
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kvm-again.sh
@@ -0,0 +1,199 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Rerun a series of tests under KVM.
+#
+# Usage: kvm-again.sh /path/to/old/run [ options ]
+#
+# Copyright (C) 2021 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+scriptname=$0
+args="$*"
+
+T=${TMPDIR-/tmp}/kvm-again.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
+
+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
+
+oldrun=$1
+shift
+if ! test -d "$oldrun"
+then
+ echo "Usage: $scriptname /path/to/old/run [ options ]"
+ exit 1
+fi
+if ! cp "$oldrun/batches" $T/batches.oldrun
+then
+ # Later on, can reconstitute this from console.log files.
+ echo Prior run batches file does not exist: $oldrun/batches
+ exit 1
+fi
+
+if test -f "$oldrun/torture_suite"
+then
+ torture_suite="`cat $oldrun/torture_suite`"
+elif test -f "$oldrun/TORTURE_SUITE"
+then
+ torture_suite="`cat $oldrun/TORTURE_SUITE`"
+else
+ echo "Prior run torture_suite file does not exist: $oldrun/{torture_suite,TORTURE_SUITE}"
+ exit 1
+fi
+
+KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
+PATH=${KVM}/bin:$PATH; export PATH
+. functions.sh
+
+dryrun=
+dur=
+default_link="cp -R"
+rundir="`pwd`/tools/testing/selftests/rcutorture/res/`date +%Y.%m.%d-%H.%M.%S-again`"
+
+startdate="`date`"
+starttime="`get_starttime`"
+
+usage () {
+ echo "Usage: $scriptname $oldrun [ arguments ]:"
+ echo " --dryrun"
+ echo " --duration minutes | <seconds>s | <hours>h | <days>d"
+ echo " --link hard|soft|copy"
+ echo " --remote"
+ echo " --rundir /new/res/path"
+ exit 1
+}
+
+while test $# -gt 0
+do
+ case "$1" in
+ --dryrun)
+ dryrun=1
+ ;;
+ --duration)
+ checkarg --duration "(minutes)" $# "$2" '^[0-9][0-9]*\(s\|m\|h\|d\|\)$' '^error'
+ mult=60
+ if echo "$2" | grep -q 's$'
+ then
+ mult=1
+ elif echo "$2" | grep -q 'h$'
+ then
+ mult=3600
+ elif echo "$2" | grep -q 'd$'
+ then
+ mult=86400
+ fi
+ ts=`echo $2 | sed -e 's/[smhd]$//'`
+ dur=$(($ts*mult))
+ shift
+ ;;
+ --link)
+ checkarg --link "hard|soft|copy" "$#" "$2" 'hard\|soft\|copy' '^--'
+ case "$2" in
+ copy)
+ arg_link="cp -R"
+ ;;
+ hard)
+ arg_link="cp -Rl"
+ ;;
+ soft)
+ arg_link="cp -Rs"
+ ;;
+ esac
+ shift
+ ;;
+ --remote)
+ arg_remote=1
+ default_link="cp -as"
+ ;;
+ --rundir)
+ checkarg --rundir "(absolute pathname)" "$#" "$2" '^/' '^error'
+ rundir=$2
+ if test -e "$rundir"
+ then
+ echo "--rundir $2: Already exists."
+ usage
+ fi
+ shift
+ ;;
+ *)
+ echo Unknown argument $1
+ usage
+ ;;
+ esac
+ shift
+done
+if test -z "$arg_link"
+then
+ arg_link="$default_link"
+fi
+
+echo ---- Re-run results directory: $rundir
+
+# Copy old run directory tree over and adjust.
+mkdir -p "`dirname "$rundir"`"
+if ! $arg_link "$oldrun" "$rundir"
+then
+ echo "Cannot copy from $oldrun to $rundir."
+ usage
+fi
+rm -f "$rundir"/*/{console.log,console.log.diags,qemu_pid,qemu-retval,Warnings,kvm-test-1-run.sh.out,kvm-test-1-run-qemu.sh.out,vmlinux} "$rundir"/log
+echo $oldrun > "$rundir/re-run"
+if ! test -d "$rundir/../../bin"
+then
+ $arg_link "$oldrun/../../bin" "$rundir/../.."
+fi
+for i in $rundir/*/qemu-cmd
+do
+ cp "$i" $T
+ qemu_cmd_dir="`dirname "$i"`"
+ kernel_dir="`echo $qemu_cmd_dir | sed -e 's/\.[0-9]\+$//'`"
+ jitter_dir="`dirname "$kernel_dir"`"
+ kvm-transform.sh "$kernel_dir/bzImage" "$qemu_cmd_dir/console.log" "$jitter_dir" $dur < $T/qemu-cmd > $i
+ if test -n "$arg_remote"
+ then
+ echo "# TORTURE_KCONFIG_GDB_ARG=''" >> $i
+ fi
+done
+
+# Extract settings from the last qemu-cmd file transformed above.
+grep '^#' $i | sed -e 's/^# //' > $T/qemu-cmd-settings
+. $T/qemu-cmd-settings
+
+grep -v '^#' $T/batches.oldrun | awk '
+BEGIN {
+ oldbatch = 1;
+}
+
+{
+ if (oldbatch != $1) {
+ print "kvm-test-1-run-batch.sh" curbatch;
+ curbatch = "";
+ oldbatch = $1;
+ }
+ curbatch = curbatch " " $2;
+}
+
+END {
+ print "kvm-test-1-run-batch.sh" curbatch
+}' > $T/runbatches.sh
+
+if test -n "$dryrun"
+then
+ echo ---- Dryrun complete, directory: $rundir | tee -a "$rundir/log"
+else
+ ( cd "$rundir"; sh $T/runbatches.sh )
+ kcsan-collapse.sh "$rundir" | tee -a "$rundir/log"
+ echo | tee -a "$rundir/log"
+ echo ---- Results directory: $rundir | tee -a "$rundir/log"
+ kvm-recheck.sh "$rundir" > $T/kvm-recheck.sh.out 2>&1
+ ret=$?
+ cat $T/kvm-recheck.sh.out | tee -a "$rundir/log"
+ echo " --- Done at `date` (`get_starttime_duration $starttime`) exitcode $ret" | tee -a "$rundir/log"
+ exit $ret
+fi
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
index 47cf4db10896..e01b31b87044 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
@@ -30,7 +30,7 @@ do
resdir=`echo $i | sed -e 's,/$,,' -e 's,/[^/]*$,,'`
head -1 $resdir/log
fi
- TORTURE_SUITE="`cat $i/../TORTURE_SUITE`"
+ TORTURE_SUITE="`cat $i/../torture_suite`"
configfile=`echo $i | sed -e 's,^.*/,,'`
rm -f $i/console.log.*.diags
kvm-recheck-${TORTURE_SUITE}.sh $i
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-batch.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-batch.sh
new file mode 100755
index 000000000000..7ea0809e229e
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-batch.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Carry out a kvm-based run for the specified batch of scenarios, which
+# might have been built by --build-only kvm.sh run.
+#
+# Usage: kvm-test-1-run-batch.sh SCENARIO [ SCENARIO ... ]
+#
+# Each SCENARIO is the name of a directory in the current directory
+# containing a ready-to-run qemu-cmd file.
+#
+# Copyright (C) 2021 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+T=${TMPDIR-/tmp}/kvm-test-1-run-batch.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
+
+echo ---- Running batch $*
+# Check arguments
+runfiles=
+for i in "$@"
+do
+ if ! echo $i | grep -q '^[^/.a-z]\+\(\.[0-9]\+\)\?$'
+ then
+ echo Bad scenario name: \"$i\" 1>&2
+ exit 1
+ fi
+ if ! test -d "$i"
+ then
+ echo Scenario name not a directory: \"$i\" 1>&2
+ exit 2
+ fi
+ if ! test -f "$i/qemu-cmd"
+ then
+ echo Scenario lacks a command file: \"$i/qemu-cmd\" 1>&2
+ exit 3
+ fi
+ rm -f $i/build.*
+ touch $i/build.run
+ runfiles="$runfiles $i/build.run"
+done
+
+# Extract settings from the qemu-cmd file.
+grep '^#' $1/qemu-cmd | sed -e 's/^# //' > $T/qemu-cmd-settings
+. $T/qemu-cmd-settings
+
+# Start up jitter, start each scenario, wait, end jitter.
+echo ---- System running test: `uname -a`
+echo ---- Starting kernels. `date` | tee -a log
+$TORTURE_JITTER_START
+for i in "$@"
+do
+ echo ---- System running test: `uname -a` > $i/kvm-test-1-run-qemu.sh.out
+ echo > $i/kvm-test-1-run-qemu.sh.out
+ kvm-test-1-run-qemu.sh $i >> $i/kvm-test-1-run-qemu.sh.out 2>&1 &
+done
+for i in $runfiles
+do
+ while ls $i > /dev/null 2>&1
+ do
+ :
+ done
+done
+echo ---- All kernel runs complete. `date` | tee -a log
+$TORTURE_JITTER_STOP
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh
new file mode 100755
index 000000000000..5b1aa2a4f3f6
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run-qemu.sh
@@ -0,0 +1,176 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Carry out a kvm-based run for the specified qemu-cmd file, which might
+# have been generated by --build-only kvm.sh run.
+#
+# Usage: kvm-test-1-run-qemu.sh qemu-cmd-dir
+#
+# qemu-cmd-dir provides the directory containing qemu-cmd file.
+# This is assumed to be of the form prefix/ds/scenario, where
+# "ds" is the top-level date-stamped directory and "scenario"
+# is the scenario name. Any required adjustments to this file
+# must have been made by the caller. The shell-command comments
+# at the end of the qemu-cmd file are not optional.
+#
+# Copyright (C) 2021 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+T=${TMPDIR-/tmp}/kvm-test-1-run-qemu.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
+
+resdir="$1"
+if ! test -d "$resdir"
+then
+ echo $0: Nonexistent directory: $resdir
+ exit 1
+fi
+if ! test -f "$resdir/qemu-cmd"
+then
+ echo $0: Nonexistent qemu-cmd file: $resdir/qemu-cmd
+ exit 1
+fi
+
+echo ' ---' `date`: Starting kernel, PID $$
+
+# Obtain settings from the qemu-cmd file.
+grep '^#' $resdir/qemu-cmd | sed -e 's/^# //' > $T/qemu-cmd-settings
+. $T/qemu-cmd-settings
+
+# Decorate qemu-cmd with redirection, backgrounding, and PID capture
+sed -e 's/$/ 2>\&1 \&/' < $resdir/qemu-cmd > $T/qemu-cmd
+echo 'echo $! > $resdir/qemu_pid' >> $T/qemu-cmd
+
+# In case qemu refuses to run...
+echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log
+
+# Attempt to run qemu
+kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null`
+( . $T/qemu-cmd; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) &
+commandcompleted=0
+if test -z "$TORTURE_KCONFIG_GDB_ARG"
+then
+ sleep 10 # Give qemu's pid a chance to reach the file
+ if test -s "$resdir/qemu_pid"
+ then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+ echo Monitoring qemu job at pid $qemu_pid
+ else
+ qemu_pid=""
+ echo Monitoring qemu job at yet-as-unknown pid
+ fi
+fi
+if test -n "$TORTURE_KCONFIG_GDB_ARG"
+then
+ base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'`
+ if ! test -f $base_resdir/vmlinux
+ then
+ base_resdir="`cat re-run`/$resdir"
+ if ! test -f $base_resdir/vmlinux
+ then
+ base_resdir=/path/to
+ fi
+ fi
+ echo Waiting for you to attach a debug session, for example: > /dev/tty
+ echo " gdb $base_resdir/vmlinux" > /dev/tty
+ echo 'After symbols load and the "(gdb)" prompt appears:' > /dev/tty
+ echo " target remote :1234" > /dev/tty
+ echo " continue" > /dev/tty
+ kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null`
+fi
+while :
+do
+ if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
+ then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+ fi
+ kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
+ if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1
+ then
+ if test -n "$TORTURE_KCONFIG_GDB_ARG"
+ then
+ :
+ elif test $kruntime -ge $seconds || test -f "$resdir/../STOP.1"
+ then
+ break;
+ fi
+ sleep 1
+ else
+ commandcompleted=1
+ if test $kruntime -lt $seconds
+ then
+ echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1
+ grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1
+ killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`"
+ if test -n "$killpid"
+ then
+ echo "ps -fp $killpid" >> $resdir/Warnings 2>&1
+ ps -fp $killpid >> $resdir/Warnings 2>&1
+ fi
+ else
+ echo ' ---' `date`: "Kernel done"
+ fi
+ break
+ fi
+done
+if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
+then
+ qemu_pid=`cat "$resdir/qemu_pid"`
+fi
+if test $commandcompleted -eq 0 -a -n "$qemu_pid"
+then
+ if ! test -f "$resdir/../STOP.1"
+ then
+ echo Grace period for qemu job at pid $qemu_pid
+ fi
+ oldline="`tail $resdir/console.log`"
+ while :
+ do
+ if test -f "$resdir/../STOP.1"
+ then
+ echo "PID $qemu_pid killed due to run STOP.1 request" >> $resdir/Warnings 2>&1
+ kill -KILL $qemu_pid
+ break
+ fi
+ kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
+ if kill -0 $qemu_pid > /dev/null 2>&1
+ then
+ :
+ else
+ break
+ fi
+ must_continue=no
+ newline="`tail $resdir/console.log`"
+ if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : '
+ then
+ must_continue=yes
+ fi
+ last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`"
+ if test -z "$last_ts"
+ then
+ last_ts=0
+ fi
+ if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE))
+ then
+ must_continue=yes
+ fi
+ if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE))
+ then
+ echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1
+ kill -KILL $qemu_pid
+ break
+ fi
+ oldline=$newline
+ sleep 10
+ done
+elif test -z "$qemu_pid"
+then
+ echo Unknown PID, cannot kill qemu command
+fi
+
+# Tell the script that this run is done.
+rm -f $resdir/build.run
+
+parse-console.sh $resdir/console.log $title
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 536d103ef166..420ed5ce9d32 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -7,15 +7,15 @@
# Execute this in the source tree. Do not run it as a background task
# because qemu does not seem to like that much.
#
-# Usage: kvm-test-1-run.sh config builddir resdir seconds qemu-args boot_args
+# Usage: kvm-test-1-run.sh config resdir seconds qemu-args boot_args_in
#
# qemu-args defaults to "-enable-kvm -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
+# boot_args_in defaults to value returned by the per_version_boot_params
# shell function.
#
-# Anything you specify for either qemu-args or boot_args is appended to
+# Anything you specify for either qemu-args or boot_args_in is appended to
# the default values. The "-smp" value is deduced from the contents of
# the config fragment.
#
@@ -35,14 +35,13 @@ mkdir $T
config_template=${1}
config_dir=`echo $config_template | sed -e 's,/[^/]*$,,'`
title=`echo $config_template | sed -e 's/^.*\///'`
-builddir=${2}
-resdir=${3}
+resdir=${2}
if test -z "$resdir" -o ! -d "$resdir" -o ! -w "$resdir"
then
echo "kvm-test-1-run.sh :$resdir: Not a writable directory, cannot store results into it"
exit 1
fi
-echo ' ---' `date`: Starting build
+echo ' ---' `date`: Starting build, PID $$
echo ' ---' Kconfig fragment at: $config_template >> $resdir/log
touch $resdir/ConfigFragment.input
@@ -73,7 +72,7 @@ config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG"
cp $T/KcList $resdir/ConfigFragment
base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'`
-if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux
+if test "$base_resdir" != "$resdir" && test -f $base_resdir/bzImage && test -f $base_resdir/vmlinux
then
# Rerunning previous test, so use that test's kernel.
QEMU="`identify_qemu $base_resdir/vmlinux`"
@@ -83,6 +82,17 @@ then
ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
# Arch-independent indicator
touch $resdir/builtkernel
+elif test "$base_resdir" != "$resdir"
+then
+ # Rerunning previous test for which build failed
+ ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh
+ ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
+ echo Initial build failed, not running KVM, see $resdir.
+ if test -f $resdir/build.wait
+ then
+ mv $resdir/build.wait $resdir/build.ready
+ fi
+ exit 1
elif kvm-build.sh $T/KcList $resdir
then
# Had to build a kernel for this test.
@@ -107,23 +117,23 @@ else
# Build failed.
cp .config $resdir || :
echo Build failed, not running KVM, see $resdir.
- if test -f $builddir.wait
+ if test -f $resdir/build.wait
then
- mv $builddir.wait $builddir.ready
+ mv $resdir/build.wait $resdir/build.ready
fi
exit 1
fi
-if test -f $builddir.wait
+if test -f $resdir/build.wait
then
- mv $builddir.wait $builddir.ready
+ mv $resdir/build.wait $resdir/build.ready
fi
-while test -f $builddir.ready
+while test -f $resdir/build.ready
do
sleep 1
done
-seconds=$4
-qemu_args=$5
-boot_args=$6
+seconds=$3
+qemu_args=$4
+boot_args_in=$5
if test -z "$TORTURE_BUILDONLY"
then
@@ -133,7 +143,7 @@ fi
# Generate -smp qemu argument.
qemu_args="-enable-kvm -nographic $qemu_args"
cpu_count=`configNR_CPUS.sh $resdir/ConfigFragment`
-cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"`
+cpu_count=`configfrag_boot_cpus "$boot_args_in" "$config_template" "$cpu_count"`
if test "$cpu_count" -gt "$TORTURE_ALLOTED_CPUS"
then
echo CPU count limited from $cpu_count to $TORTURE_ALLOTED_CPUS | tee -a $resdir/Warnings
@@ -149,16 +159,52 @@ qemu_args="$qemu_args `identify_qemu_args "$QEMU" "$resdir/console.log"`"
qemu_append="`identify_qemu_append "$QEMU"`"
# Pull in Kconfig-fragment boot parameters
-boot_args="`configfrag_boot_params "$boot_args" "$config_template"`"
+boot_args="`configfrag_boot_params "$boot_args_in" "$config_template"`"
# Generate kernel-version-specific boot parameters
boot_args="`per_version_boot_params "$boot_args" $resdir/.config $seconds`"
if test -n "$TORTURE_BOOT_GDB_ARG"
then
boot_args="$boot_args $TORTURE_BOOT_GDB_ARG"
fi
+
+# Give bare-metal advice
+modprobe_args="`echo $boot_args | tr -s ' ' '\012' | grep "^$TORTURE_MOD\." | sed -e "s/$TORTURE_MOD\.//g"`"
+kboot_args="`echo $boot_args | tr -s ' ' '\012' | grep -v "^$TORTURE_MOD\."`"
+testid_txt="`dirname $resdir`/testid.txt"
+touch $resdir/bare-metal
+echo To run this scenario on bare metal: >> $resdir/bare-metal
+echo >> $resdir/bare-metal
+echo " 1." Set your bare-metal build tree to the state shown in this file: >> $resdir/bare-metal
+echo " " $testid_txt >> $resdir/bare-metal
+echo " 2." Update your bare-metal build tree"'"s .config based on this file: >> $resdir/bare-metal
+echo " " $resdir/ConfigFragment >> $resdir/bare-metal
+echo " 3." Make the bare-metal kernel"'"s build system aware of your .config updates: >> $resdir/bare-metal
+echo " " $ 'yes "" | make oldconfig' >> $resdir/bare-metal
+echo " 4." Build your bare-metal kernel. >> $resdir/bare-metal
+echo " 5." Boot your bare-metal kernel with the following parameters: >> $resdir/bare-metal
+echo " " $kboot_args >> $resdir/bare-metal
+echo " 6." Start the test with the following command: >> $resdir/bare-metal
+echo " " $ modprobe $TORTURE_MOD $modprobe_args >> $resdir/bare-metal
+echo " 7." After some time, end the test with the following command: >> $resdir/bare-metal
+echo " " $ rmmod $TORTURE_MOD >> $resdir/bare-metal
+echo " 8." Copy your bare-metal kernel"'"s .config file, overwriting this file: >> $resdir/bare-metal
+echo " " $resdir/.config >> $resdir/bare-metal
+echo " 9." Copy the console output from just before the modprobe to just after >> $resdir/bare-metal
+echo " " the rmmod into this file: >> $resdir/bare-metal
+echo " " $resdir/console.log >> $resdir/bare-metal
+echo "10." Check for runtime errors using the following command: >> $resdir/bare-metal
+echo " " $ tools/testing/selftests/rcutorture/bin/kvm-recheck.sh `dirname $resdir` >> $resdir/bare-metal
+echo >> $resdir/bare-metal
+echo Some of the above steps may be skipped if you build your bare-metal >> $resdir/bare-metal
+echo kernel here: `head -n 1 $testid_txt | sed -e 's/^Build directory: //'` >> $resdir/bare-metal
+
echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" $TORTURE_QEMU_GDB_ARG > $resdir/qemu-cmd
echo "# TORTURE_SHUTDOWN_GRACE=$TORTURE_SHUTDOWN_GRACE" >> $resdir/qemu-cmd
echo "# seconds=$seconds" >> $resdir/qemu-cmd
+echo "# TORTURE_KCONFIG_GDB_ARG=\"$TORTURE_KCONFIG_GDB_ARG\"" >> $resdir/qemu-cmd
+echo "# TORTURE_JITTER_START=\"$TORTURE_JITTER_START\"" >> $resdir/qemu-cmd
+echo "# TORTURE_JITTER_STOP=\"$TORTURE_JITTER_STOP\"" >> $resdir/qemu-cmd
+echo "# TORTURE_TRUST_MAKE=\"$TORTURE_TRUST_MAKE\"; export TORTURE_TRUST_MAKE" >> $resdir/qemu-cmd
if test -n "$TORTURE_BUILDONLY"
then
@@ -167,140 +213,4 @@ then
exit 0
fi
-# Decorate qemu-cmd with redirection, backgrounding, and PID capture
-sed -e 's/$/ 2>\&1 \&/' < $resdir/qemu-cmd > $T/qemu-cmd
-echo 'echo $! > $resdir/qemu_pid' >> $T/qemu-cmd
-
-# In case qemu refuses to run...
-echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log
-
-# Attempt to run qemu
-kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null`
-( . $T/qemu-cmd; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) &
-commandcompleted=0
-if test -z "$TORTURE_KCONFIG_GDB_ARG"
-then
- sleep 10 # Give qemu's pid a chance to reach the file
- if test -s "$resdir/qemu_pid"
- then
- qemu_pid=`cat "$resdir/qemu_pid"`
- echo Monitoring qemu job at pid $qemu_pid
- else
- qemu_pid=""
- echo Monitoring qemu job at yet-as-unknown pid
- fi
-fi
-if test -n "$TORTURE_KCONFIG_GDB_ARG"
-then
- echo Waiting for you to attach a debug session, for example: > /dev/tty
- echo " gdb $base_resdir/vmlinux" > /dev/tty
- echo 'After symbols load and the "(gdb)" prompt appears:' > /dev/tty
- echo " target remote :1234" > /dev/tty
- echo " continue" > /dev/tty
- kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null`
-fi
-while :
-do
- if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
- then
- qemu_pid=`cat "$resdir/qemu_pid"`
- fi
- kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
- if test -z "$qemu_pid" || kill -0 "$qemu_pid" > /dev/null 2>&1
- then
- if test -n "$TORTURE_KCONFIG_GDB_ARG"
- then
- :
- elif test $kruntime -ge $seconds || test -f "$resdir/../STOP.1"
- then
- break;
- fi
- sleep 1
- else
- commandcompleted=1
- if test $kruntime -lt $seconds
- then
- echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1
- grep "^(qemu) qemu:" $resdir/kvm-test-1-run.sh.out >> $resdir/Warnings 2>&1
- killpid="`sed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`"
- if test -n "$killpid"
- then
- echo "ps -fp $killpid" >> $resdir/Warnings 2>&1
- ps -fp $killpid >> $resdir/Warnings 2>&1
- fi
- # Reduce probability of PID reuse by allowing a one-minute buffer
- if test $((kruntime + 60)) -lt $seconds && test -s "$resdir/../jitter_pids"
- then
- awk < "$resdir/../jitter_pids" '
- NF > 0 {
- pidlist = pidlist " " $1;
- n++;
- }
- END {
- if (n > 0) {
- print "kill " pidlist;
- }
- }' | sh
- fi
- else
- echo ' ---' `date`: "Kernel done"
- fi
- break
- fi
-done
-if test -z "$qemu_pid" -a -s "$resdir/qemu_pid"
-then
- qemu_pid=`cat "$resdir/qemu_pid"`
-fi
-if test $commandcompleted -eq 0 -a -n "$qemu_pid"
-then
- if ! test -f "$resdir/../STOP.1"
- then
- echo Grace period for qemu job at pid $qemu_pid
- fi
- oldline="`tail $resdir/console.log`"
- while :
- do
- if test -f "$resdir/../STOP.1"
- then
- echo "PID $qemu_pid killed due to run STOP.1 request" >> $resdir/Warnings 2>&1
- kill -KILL $qemu_pid
- break
- fi
- kruntime=`gawk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null`
- if kill -0 $qemu_pid > /dev/null 2>&1
- then
- :
- else
- break
- fi
- must_continue=no
- newline="`tail $resdir/console.log`"
- if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : '
- then
- must_continue=yes
- fi
- last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`"
- if test -z "$last_ts"
- then
- last_ts=0
- fi
- if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE))
- then
- must_continue=yes
- fi
- if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE))
- then
- echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1
- kill -KILL $qemu_pid
- break
- fi
- oldline=$newline
- sleep 10
- done
-elif test -z "$qemu_pid"
-then
- echo Unknown PID, cannot kill qemu command
-fi
-
-parse-console.sh $resdir/console.log $title
+kvm-test-1-run-qemu.sh $resdir
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-transform.sh b/tools/testing/selftests/rcutorture/bin/kvm-transform.sh
index c45a953ef393..d40b4e60a50c 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-transform.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-transform.sh
@@ -3,7 +3,7 @@
#
# Transform a qemu-cmd file to allow reuse.
#
-# Usage: kvm-transform.sh bzImage console.log < qemu-cmd-in > qemu-cmd-out
+# Usage: kvm-transform.sh bzImage console.log jitter_dir [ seconds ] < qemu-cmd-in > qemu-cmd-out
#
# bzImage: Kernel and initrd from the same prior kvm.sh run.
# console.log: File into which to place console output.
@@ -29,20 +29,62 @@ then
echo "Need console log file name."
exit 1
fi
+jitter_dir="$3"
+if test -z "$jitter_dir" || ! test -d "$jitter_dir"
+then
+ echo "Need valid jitter directory: '$jitter_dir'"
+ exit 1
+fi
+seconds="$4"
+if test -n "$seconds" && echo $seconds | grep -q '[^0-9]'
+then
+ echo "Invalid duration, should be numeric in seconds: '$seconds'"
+ exit 1
+fi
+
+awk -v image="$image" -v consolelog="$consolelog" -v jitter_dir="$jitter_dir" \
+ -v seconds="$seconds" '
+/^# seconds=/ {
+ if (seconds == "")
+ print $0;
+ else
+ print "# seconds=" seconds;
+ next;
+}
+
+/^# TORTURE_JITTER_START=/ {
+ print "# TORTURE_JITTER_START=\". jitterstart.sh " $4 " " jitter_dir " " $6 " " $7;
+ next;
+}
+
+/^# TORTURE_JITTER_STOP=/ {
+ print "# TORTURE_JITTER_STOP=\". jitterstop.sh " " " jitter_dir " " $5;
+ next;
+}
+
+/^#/ {
+ print $0;
+ next;
+}
-awk -v image="$image" -v consolelog="$consolelog" '
{
line = "";
for (i = 1; i <= NF; i++) {
- if (line == "")
+ if ("" seconds != "" && $i ~ /\.shutdown_secs=[0-9]*$/) {
+ sub(/[0-9]*$/, seconds, $i);
+ if (line == "")
+ line = $i;
+ else
+ line = line " " $i;
+ } else if (line == "") {
line = $i;
- else
+ } else {
line = line " " $i;
+ }
if ($i == "-serial") {
i++;
line = line " file:" consolelog;
- }
- if ($i == "-kernel") {
+ } else if ($i == "-kernel") {
i++;
line = line " " image;
}
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 8d3c99b35e06..6bf00a003d3d 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -29,17 +29,21 @@ PATH=${KVM}/bin:$PATH; export PATH
TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`"
TORTURE_DEFCONFIG=defconfig
TORTURE_BOOT_IMAGE=""
+TORTURE_BUILDONLY=
TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
TORTURE_KCONFIG_ARG=""
TORTURE_KCONFIG_GDB_ARG=""
TORTURE_BOOT_GDB_ARG=""
TORTURE_QEMU_GDB_ARG=""
+TORTURE_JITTER_START=""
+TORTURE_JITTER_STOP=""
TORTURE_KCONFIG_KASAN_ARG=""
TORTURE_KCONFIG_KCSAN_ARG=""
TORTURE_KMAKE_ARG=""
TORTURE_QEMU_MEM=512
TORTURE_SHUTDOWN_GRACE=180
TORTURE_SUITE=rcu
+TORTURE_MOD=rcutorture
TORTURE_TRUST_MAKE=""
resdir=""
configs=""
@@ -100,7 +104,7 @@ do
TORTURE_BUILDONLY=1
;;
--configs|--config)
- checkarg --configs "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
+ checkarg --configs "(list of config files)" "$#" "$2" '^[^/.a-z]\+$' '^--'
configs="$configs $2"
shift
;;
@@ -116,7 +120,7 @@ do
shift
;;
--datestamp)
- checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._-/]*$' '^--'
+ checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--'
ds=$2
shift
;;
@@ -215,6 +219,7 @@ do
--torture)
checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuscale\|refscale\|scf\)$' '^--'
TORTURE_SUITE=$2
+ TORTURE_MOD="`echo $TORTURE_SUITE | sed -e 's/^\(lock\|rcu\|scf\)$/\1torture/'`"
shift
if test "$TORTURE_SUITE" = rcuscale || test "$TORTURE_SUITE" = refscale
then
@@ -381,6 +386,7 @@ TORTURE_QEMU_GDB_ARG="$TORTURE_QEMU_GDB_ARG"; export TORTURE_QEMU_GDB_ARG
TORTURE_KCONFIG_KASAN_ARG="$TORTURE_KCONFIG_KASAN_ARG"; export TORTURE_KCONFIG_KASAN_ARG
TORTURE_KCONFIG_KCSAN_ARG="$TORTURE_KCONFIG_KCSAN_ARG"; export TORTURE_KCONFIG_KCSAN_ARG
TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
+TORTURE_MOD="$TORTURE_MOD"; export TORTURE_MOD
TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD
TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE
TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC
@@ -399,12 +405,17 @@ 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
+echo ${TORTURE_SUITE} > $resdir/$ds/torture_suite
+echo Build directory: `pwd` > $resdir/$ds/testid.txt
if test -d .git
then
+ echo Current commit: `git rev-parse HEAD` >> $resdir/$ds/testid.txt
+ echo >> $resdir/$ds/testid.txt
+ echo ' ---' Output of "'"git status"'": >> $resdir/$ds/testid.txt
git status >> $resdir/$ds/testid.txt
- git rev-parse HEAD >> $resdir/$ds/testid.txt
+ echo >> $resdir/$ds/testid.txt
+ echo >> $resdir/$ds/testid.txt
+ echo ' ---' Output of "'"git diff HEAD"'": >> $resdir/$ds/testid.txt
git diff HEAD >> $resdir/$ds/testid.txt
fi
___EOF___
@@ -434,8 +445,17 @@ function dump(first, pastlast, batchnum)
print "echo ----Start batch " batchnum ": `date` | tee -a " rd "log";
print "needqemurun="
jn=1
+ njitter = 0;
+ split(jitter, ja);
+ if (ja[1] == -1 && ncpus == 0)
+ njitter = 1;
+ else if (ja[1] == -1)
+ njitter = ncpus;
+ else
+ njitter = ja[1];
+ print "TORTURE_JITTER_START=\". jitterstart.sh " njitter " " rd " " dur " " ja[2] " " ja[3] "\"; export TORTURE_JITTER_START";
+ print "TORTURE_JITTER_STOP=\". jitterstop.sh " rd " \"; export TORTURE_JITTER_STOP"
for (j = first; j < pastlast; j++) {
- builddir=KVM "/b" j - first + 1
cpusr[jn] = cpus[j];
if (cfrep[cf[j]] == "") {
cfr[jn] = cf[j];
@@ -444,15 +464,15 @@ function dump(first, pastlast, batchnum)
cfrep[cf[j]]++;
cfr[jn] = cf[j] "." cfrep[cf[j]];
}
+ builddir=rd cfr[jn] "/build";
if (cpusr[jn] > ncpus && ncpus != 0)
ovf = "-ovf";
else
ovf = "";
print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` | tee -a " rd "log";
- print "rm -f " builddir ".*";
- print "touch " builddir ".wait";
print "mkdir " rd cfr[jn] " || :";
- print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &"
+ print "touch " builddir ".wait";
+ print "kvm-test-1-run.sh " CONFIGDIR cf[j], rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_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` | tee -a " rd "log";
print "while test -f " builddir ".wait"
print "do"
@@ -461,23 +481,21 @@ function dump(first, pastlast, batchnum)
print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` | tee -a " rd "log";
jn++;
}
+ print "runfiles="
for (j = 1; j < jn; j++) {
- builddir=KVM "/b" j
- print "rm -f " builddir ".ready"
+ builddir=rd cfr[j] "/build";
+ if (TORTURE_BUILDONLY)
+ print "rm -f " builddir ".ready"
+ else
+ print "mv " builddir ".ready " builddir ".run"
+ print "runfiles=\"$runfiles " builddir ".run\""
+ fi
print "if test -f \"" rd cfr[j] "/builtkernel\""
print "then"
print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date` | tee -a " rd "log";
print "\tneedqemurun=1"
print "fi"
}
- njitter = 0;
- split(jitter, ja);
- if (ja[1] == -1 && ncpus == 0)
- njitter = 1;
- else if (ja[1] == -1)
- njitter = ncpus;
- else
- njitter = ja[1];
if (TORTURE_BUILDONLY && njitter != 0) {
njitter = 0;
print "echo Build-only run, so suppressing jitter | tee -a " rd "log"
@@ -488,19 +506,18 @@ function dump(first, pastlast, batchnum)
print "if test -n \"$needqemurun\""
print "then"
print "\techo ---- Starting kernels. `date` | tee -a " rd "log";
- print "\techo > " rd "jitter_pids"
- for (j = 0; j < njitter; j++) {
- print "\tjitter.sh " j " " dur " " ja[2] " " ja[3] "&"
- print "\techo $! >> " rd "jitter_pids"
- }
- print "\twait"
+ print "\t$TORTURE_JITTER_START";
+ print "\twhile ls $runfiles > /dev/null 2>&1"
+ print "\tdo"
+ print "\t\t:"
+ print "\tdone"
+ print "\t$TORTURE_JITTER_STOP";
print "\techo ---- All kernel runs complete. `date` | tee -a " rd "log";
print "else"
print "\twait"
print "\techo ---- No kernel runs. `date` | tee -a " rd "log";
print "fi"
for (j = 1; j < jn; j++) {
- builddir=KVM "/b" j
print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: | tee -a " rd "log";
print "cat " rd cfr[j] "/kvm-test-1-run.sh.out | tee -a " rd "log";
}
@@ -548,6 +565,18 @@ echo 'ret=$?' >> $T/script
echo "cat $T/kvm-recheck.sh.out | tee -a $resdir/$ds/log" >> $T/script
echo 'exit $ret' >> $T/script
+# Extract the tests and their batches from the script.
+egrep 'Start batch|Starting build\.' $T/script | grep -v ">>" |
+ sed -e 's/:.*$//' -e 's/^echo //' -e 's/-ovf//' |
+ awk '
+ /^----Start/ {
+ batchno = $3;
+ next;
+ }
+ {
+ print batchno, $1, $2
+ }' > $T/batches
+
if test "$dryrun" = script
then
cat $T/script
@@ -566,21 +595,14 @@ then
exit 0
elif test "$dryrun" = batches
then
- # Extract the tests and their batches from the script.
- egrep 'Start batch|Starting build\.' $T/script | grep -v ">>" |
- sed -e 's/:.*$//' -e 's/^echo //' -e 's/-ovf//' |
- awk '
- /^----Start/ {
- batchno = $3;
- next;
- }
- {
- print batchno, $1, $2
- }'
+ cat $T/batches
+ exit 0
else
- # Not a dryrun, so run the script.
+ # Not a dryrun. Record the batches and the number of CPUs, then run the script.
bash $T/script
ret=$?
+ cp $T/batches $resdir/$ds/batches
+ echo '#' cpus=$cpus >> $resdir/$ds/batches
echo " --- Done at `date` (`get_starttime_duration $starttime`) exitcode $ret" | tee -a $resdir/$ds/log
exit $ret
fi
diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index ad7525b7ac29..56e2e1a42569 100755
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -374,7 +374,7 @@ done
if test "$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=$HALF_ALLOTED_CPUS" --trust-make
+ torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 1G --trust-make
fi
echo " --- " $scriptname $args
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index f2b20db9e296..98b6175e5aa0 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -7,8 +7,8 @@ TREE07
TREE09
SRCU-N
SRCU-P
-SRCU-t
-SRCU-u
+SRCU-T
+SRCU-U
TINY01
TINY02
TASKS01
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T
index d6557c38dfe4..d6557c38dfe4 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T.boot
index 238bfe3bd0cc..238bfe3bd0cc 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-t.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-T.boot
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U
index 6bc24e99862f..6bc24e99862f 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U.boot
index ce48c7b82673..ce48c7b82673 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-U.boot
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot
index 5adc6756792a..a8d94caf7d2f 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04.boot
@@ -1 +1 @@
-rcutree.rcu_fanout_leaf=4 nohz_full=1-7
+rcutree.rcu_fanout_leaf=4 nohz_full=1-N
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
index 22478fd3a865..94d38445d393 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
@@ -1,3 +1,3 @@
rcupdate.rcu_self_test=1
rcutree.rcu_fanout_exact=1
-rcu_nocbs=0-7
+rcu_nocbs=all
diff --git a/tools/testing/selftests/rcutorture/configs/rcuscale/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/rcuscale/ver_functions.sh
index 0333e9b18522..ffbe15109f0d 100644
--- a/tools/testing/selftests/rcutorture/configs/rcuscale/ver_functions.sh
+++ b/tools/testing/selftests/rcutorture/configs/rcuscale/ver_functions.sh
@@ -12,5 +12,5 @@
# Adds per-version torture-module parameters to kernels supporting them.
per_version_boot_params () {
echo $1 rcuscale.shutdown=1 \
- rcuscale.verbose=1
+ rcuscale.verbose=0
}
diff --git a/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh b/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh
index 321e82641287..f81fa2c541a6 100644
--- a/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh
+++ b/tools/testing/selftests/rcutorture/configs/refscale/ver_functions.sh
@@ -12,5 +12,5 @@
# Adds per-version torture-module parameters to kernels supporting them.
per_version_boot_params () {
echo $1 refscale.shutdown=1 \
- refscale.verbose=1
+ refscale.verbose=0
}