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Diffstat (limited to 'rcutorture/bin/kvm.sh')
| -rw-r--r-- | rcutorture/bin/kvm.sh | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/rcutorture/bin/kvm.sh b/rcutorture/bin/kvm.sh deleted file mode 100644 index 589e9c3..0000000 --- a/rcutorture/bin/kvm.sh +++ /dev/null @@ -1,413 +0,0 @@ -#!/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: sh 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=/tmp/kvm.sh.$$ -trap 'rm -rf $T' 0 -mkdir $T - -dur=30 -dryrun="" -KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM -PATH=${KVM}/bin:$PATH; export PATH -TORTURE_DEFCONFIG=defconfig -TORTURE_BOOT_IMAGE="" -TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD -TORTURE_KMAKE_ARG="" -TORTURE_SUITE=rcu -resdir="" -configs="" -cpus=0 -ds=`date +%Y.%m.%d-%H:%M:%S` -kversion="" - -. 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\"" - echo " --cpus N" - echo " --datestamp string" - echo " --defconfig string" - echo " --dryrun sched|script" - echo " --duration minutes" - echo " --interactive" - echo " --kmake-arg kernel-make-arguments" - echo " --kversion vN.NN" - 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 "$1" in - --bootargs) - checkarg --bootargs "(list of kernel boot arguments)" "$#" "$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="$2" - shift - ;; - --buildonly) - TORTURE_BUILDONLY=1 - ;; - --configs) - checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--' - 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 - shift - ;; - --interactive) - TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE - ;; - --kmake-arg) - checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' - TORTURE_KMAKE_ARG="$2" - shift - ;; - --kversion) - checkarg --kversion "(kernel version)" $# "$2" '^v[0-9.]*$' '^error' - kversion=$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) - 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=$2 - shift - ;; - --torture) - checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--' - TORTURE_SUITE=$2 - shift - ;; - *) - echo Unknown argument $1 - usage - ;; - esac - shift -done - -CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG -KVPATH=${CONFIGFRAG}/$kversion; export KVPATH - -if test -z "$configs" -then - configs="`cat $CONFIGFRAG/$kversion/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 $configs -do - if test -f "$CONFIGFRAG/$kversion/$CF" - then - echo $CF `configNR_CPUS.sh $CONFIGFRAG/$kversion/$CF` >> $T/cfgcpu - else - echo "The --configs file $CF does not exist, terminating." - exit 1 - fi -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___ > $T/script -CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG -KVM="$KVM"; export KVM -KVPATH="$KVPATH"; export KVPATH -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="$TORTURE_INITRD"; export TORTURE_INITRD -TORTURE_KMAKE_ARG="$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="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC -TORTURE_SUITE="$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 - if ! git diff HEAD > $T/git-diff 2>&1 - then - cp $T/git-diff $resdir/$ds - fi -fi -___EOF___ -awk < $T/cfgcpu.pack \ - -v CONFIGDIR="$CONFIGFRAG/$kversion/" \ - -v KVM="$KVM" \ - -v ncpus=$cpus \ - -v rd=$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] = $2; - i++; -} - -# Dump out the scripting required to run one test batch. -function dump(first, pastlast) -{ - print "echo ----Start batch: `date`"; - print "echo ----Start batch: `date` >> " rd "/log"; - jn=1 - for (j = first; j < pastlast; j++) { - builddir=KVM "/b" jn - cpusr[jn] = cpus[j]; - if (cfrep[cf[j]] == "") { - cfr[jn] = cf[j]; - cfrep[cf[j]] = 1; - } else { - cfrep[cf[j]]++; - cfr[jn] = cf[j] "." cfrep[cf[j]]; - } - if (cpusr[jn] > ncpus && ncpus != 0) - ovf = "(!)"; - else - ovf = ""; - print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`"; - print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log"; - print "rm -f " builddir ".*"; - print "touch " builddir ".wait"; - print "mkdir " builddir " > /dev/null 2>&1 || :"; - print "mkdir " rd cfr[jn] " || :"; - print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &" - print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date`"; - print "echo ", cfr[jn], cpusr[jn] ovf ": Waiting for build to complete. `date` >> " rd "/log"; - print "while test -f " builddir ".wait" - print "do" - print "\tsleep 1" - print "done" - print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date`"; - print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` >> " rd "/log"; - jn++; - } - for (j = 1; j < jn; j++) { - builddir=KVM "/b" j - print "rm -f " builddir ".ready" - print "if test -z \"$TORTURE_BUILDONLY\"" - print "then" - print "\techo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date`"; - print "\techo ----", cfr[j], cpusr[j] ovf ": Starting kernel. `date` >> " rd "/log"; - print "fi" - } - print "wait" - print "if test -z \"$TORTURE_BUILDONLY\"" - print "then" - print "\techo ---- All kernel runs complete. `date`"; - print "\techo ---- All kernel runs complete. `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; - - # 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 - -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 |