/tools/testing/selftests/rcutorture/bin/kvm.sh
Shell | 469 lines | 420 code | 15 blank | 34 comment | 10 complexity | db275e231fd6f738845cf68cbe9fbcc2 MD5 | raw file
- #!/bin/bash
- #
- # Run a series of 14 tests under KVM. These are not particularly
- # well-selected or well-tuned, but are the current set. Run from the
- # top level of the source tree.
- #
- # Edit the definitions below to set the locations of the various directories,
- # as well as the test duration.
- #
- # Usage: kvm.sh [ options ]
- #
- # 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, 2011
- #
- # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
- scriptname=$0
- args="$*"
- T=${TMPDIR-/tmp}/kvm.sh.$$
- trap 'rm -rf $T' 0
- mkdir $T
- dur=$((30*60))
- dryrun=""
- KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
- PATH=${KVM}/bin:$PATH; export PATH
- TORTURE_DEFCONFIG=defconfig
- TORTURE_BOOT_IMAGE=""
- TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
- TORTURE_KCONFIG_ARG=""
- TORTURE_KMAKE_ARG=""
- TORTURE_SHUTDOWN_GRACE=180
- TORTURE_SUITE=rcu
- resdir=""
- configs=""
- cpus=0
- ds=`date +%Y.%m.%d-%H:%M:%S`
- jitter="-1"
- . functions.sh
- usage () {
- echo "Usage: $scriptname optional arguments:"
- echo " --bootargs kernel-boot-arguments"
- echo " --bootimage relative-path-to-kernel-boot-image"
- echo " --buildonly"
- echo " --configs \"config-file list w/ repeat factor (3*TINY01)\""
- echo " --cpus N"
- echo " --datestamp string"
- echo " --defconfig string"
- echo " --dryrun sched|script"
- echo " --duration minutes"
- echo " --interactive"
- echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]"
- echo " --kconfig Kconfig-options"
- echo " --kmake-arg kernel-make-arguments"
- echo " --mac nn:nn:nn:nn:nn:nn"
- echo " --no-initrd"
- echo " --qemu-args qemu-system-..."
- echo " --qemu-cmd qemu-system-..."
- echo " --results absolute-pathname"
- echo " --torture rcu"
- exit 1
- }
- while test $# -gt 0
- do
- case "$1" in
- --bootargs|--bootarg)
- checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
- TORTURE_BOOTARGS="$2"
- shift
- ;;
- --bootimage)
- checkarg --bootimage "(relative path to kernel boot image)" "$#" "$2" '[a-zA-Z0-9][a-zA-Z0-9_]*' '^--'
- TORTURE_BOOT_IMAGE="$2"
- shift
- ;;
- --buildonly)
- TORTURE_BUILDONLY=1
- ;;
- --configs|--config)
- checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
- configs="$2"
- shift
- ;;
- --cpus)
- checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--'
- cpus=$2
- shift
- ;;
- --datestamp)
- checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
- ds=$2
- shift
- ;;
- --defconfig)
- checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--'
- TORTURE_DEFCONFIG=$2
- shift
- ;;
- --dryrun)
- checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--'
- dryrun=$2
- shift
- ;;
- --duration)
- checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error'
- dur=$(($2*60))
- shift
- ;;
- --interactive)
- TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE
- ;;
- --jitter)
- checkarg --jitter "(# threads [ sleep [ spin ] ])" $# "$2" '^-\{,1\}[0-9]\+\( \+[0-9]\+\)\{,2\} *$' '^error$'
- jitter="$2"
- shift
- ;;
- --kconfig)
- checkarg --kconfig "(Kconfig options)" $# "$2" '^CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\( CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\)*$' '^error$'
- TORTURE_KCONFIG_ARG="$2"
- shift
- ;;
- --kmake-arg)
- checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
- TORTURE_KMAKE_ARG="$2"
- shift
- ;;
- --mac)
- checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error
- TORTURE_QEMU_MAC=$2
- shift
- ;;
- --no-initrd)
- TORTURE_INITRD=""; export TORTURE_INITRD
- ;;
- --qemu-args|--qemu-arg)
- checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error'
- TORTURE_QEMU_ARG="$2"
- shift
- ;;
- --qemu-cmd)
- checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--'
- TORTURE_QEMU_CMD="$2"
- shift
- ;;
- --results)
- checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error'
- resdir=$2
- shift
- ;;
- --shutdown-grace)
- checkarg --shutdown-grace "(seconds)" "$#" "$2" '^[0-9]*$' '^error'
- TORTURE_SHUTDOWN_GRACE=$2
- shift
- ;;
- --torture)
- checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\)$' '^--'
- TORTURE_SUITE=$2
- shift
- ;;
- *)
- echo Unknown argument $1
- usage
- ;;
- esac
- shift
- done
- CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG
- if test -z "$configs"
- then
- configs="`cat $CONFIGFRAG/CFLIST`"
- fi
- if test -z "$resdir"
- then
- resdir=$KVM/res
- fi
- # Create a file of test-name/#cpus pairs, sorted by decreasing #cpus.
- touch $T/cfgcpu
- for CF in $configs
- do
- case $CF in
- [0-9]\**|[0-9][0-9]\**|[0-9][0-9][0-9]\**)
- config_reps=`echo $CF | sed -e 's/\*.*$//'`
- CF1=`echo $CF | sed -e 's/^[^*]*\*//'`
- ;;
- *)
- config_reps=1
- CF1=$CF
- ;;
- esac
- if test -f "$CONFIGFRAG/$CF1"
- then
- cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1`
- cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"`
- cpu_count=`configfrag_boot_maxcpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"`
- for ((cur_rep=0;cur_rep<$config_reps;cur_rep++))
- do
- echo $CF1 $cpu_count >> $T/cfgcpu
- done
- else
- echo "The --configs file $CF1 does not exist, terminating."
- exit 1
- fi
- done
- sort -k2nr $T/cfgcpu -T="$T" > $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___ > $T/script
- CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG
- KVM="$KVM"; export KVM
- PATH="$PATH"; export PATH
- TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE
- TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY
- TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG
- TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD
- TORTURE_KCONFIG_ARG="$TORTURE_KCONFIG_ARG"; export TORTURE_KCONFIG_ARG
- TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
- TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD
- TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE
- TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC
- TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE
- TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
- if ! test -e $resdir
- then
- mkdir -p "$resdir" || :
- fi
- mkdir $resdir/$ds
- 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
- git diff HEAD >> $resdir/$ds/testid.txt
- fi
- ___EOF___
- awk < $T/cfgcpu.pack \
- -v TORTURE_BUILDONLY="$TORTURE_BUILDONLY" \
- -v CONFIGDIR="$CONFIGFRAG/" \
- -v KVM="$KVM" \
- -v ncpus=$cpus \
- -v jitter="$jitter" \
- -v rd=$resdir/$ds/ \
- -v dur=$dur \
- -v TORTURE_QEMU_ARG="$TORTURE_QEMU_ARG" \
- -v TORTURE_BOOTARGS="$TORTURE_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, batchnum)
- {
- print "echo ----Start batch " batchnum ": `date`";
- print "echo ----Start batch " batchnum ": `date` >> " rd "/log";
- print "needqemurun="
- 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 = "-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 " \"" 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`";
- 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 "if test -f \"" rd cfr[j] "/builtkernel\""
- print "then"
- print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date`";
- print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date` >> " 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 >> " rd "/log"
- }
- if (TORTURE_BUILDONLY) {
- print "needqemurun="
- }
- print "if test -n \"$needqemurun\""
- print "then"
- print "\techo ---- Starting kernels. `date`";
- print "\techo ---- Starting kernels. `date` >> " rd "/log";
- for (j = 0; j < njitter; j++)
- print "\tjitter.sh " j " " dur " " ja[2] " " ja[3] "&"
- print "\twait"
- print "\techo ---- All kernel runs complete. `date`";
- print "\techo ---- All kernel runs complete. `date` >> " rd "/log";
- print "else"
- print "\twait"
- print "\techo ---- No kernel runs. `date`";
- print "\techo ---- No kernel runs. `date` >> " rd "/log";
- print "fi"
- 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;
- batchnum = 1;
- # 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, batchnum);
- first = i;
- batchnum++;
- } else if (nc < cpus[i] && i != 0) {
- # Out of CPUs, dump out a batch.
- dump(first, i, batchnum);
- first = i;
- nc = ncpus;
- batchnum++;
- }
- # Account for the CPUs needed by the current test.
- nc -= cpus[i];
- }
- # Dump the last batch.
- if (ncpus != 0)
- dump(first, i, batchnum);
- }' >> $T/script
- cat << ___EOF___ >> $T/script
- echo
- echo
- echo " --- `date` Test summary:"
- echo Results directory: $resdir/$ds
- kvm-recheck.sh $resdir/$ds
- ___EOF___
- if test "$dryrun" = script
- then
- cat $T/script
- exit 0
- elif test "$dryrun" = sched
- then
- # Extract the test run schedule from the script.
- egrep 'Start batch|Starting build\.' $T/script |
- grep -v ">>" |
- sed -e 's/:.*$//' -e 's/^echo //'
- exit 0
- else
- # Not a dryrun, 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