470 lines
13 KiB
Bash
470 lines
13 KiB
Bash
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#!/bin/bash
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#
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# Run a series of 14 tests under KVM. These are not particularly
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# well-selected or well-tuned, but are the current set. Run from the
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# top level of the source tree.
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#
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# Edit the definitions below to set the locations of the various directories,
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# as well as the test duration.
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#
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# Usage: kvm.sh [ options ]
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you can access it online at
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# http://www.gnu.org/licenses/gpl-2.0.html.
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#
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# Copyright (C) IBM Corporation, 2011
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#
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# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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scriptname=$0
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args="$*"
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T=${TMPDIR-/tmp}/kvm.sh.$$
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trap 'rm -rf $T' 0
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mkdir $T
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dur=$((30*60))
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dryrun=""
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KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
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PATH=${KVM}/bin:$PATH; export PATH
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TORTURE_DEFCONFIG=defconfig
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TORTURE_BOOT_IMAGE=""
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TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
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TORTURE_KCONFIG_ARG=""
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TORTURE_KMAKE_ARG=""
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TORTURE_SHUTDOWN_GRACE=180
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TORTURE_SUITE=rcu
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resdir=""
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configs=""
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cpus=0
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ds=`date +%Y.%m.%d-%H:%M:%S`
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jitter="-1"
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. functions.sh
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usage () {
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echo "Usage: $scriptname optional arguments:"
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echo " --bootargs kernel-boot-arguments"
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echo " --bootimage relative-path-to-kernel-boot-image"
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echo " --buildonly"
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echo " --configs \"config-file list w/ repeat factor (3*TINY01)\""
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echo " --cpus N"
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echo " --datestamp string"
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echo " --defconfig string"
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echo " --dryrun sched|script"
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echo " --duration minutes"
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echo " --interactive"
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echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]"
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echo " --kconfig Kconfig-options"
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echo " --kmake-arg kernel-make-arguments"
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echo " --mac nn:nn:nn:nn:nn:nn"
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echo " --no-initrd"
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echo " --qemu-args qemu-system-..."
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echo " --qemu-cmd qemu-system-..."
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echo " --results absolute-pathname"
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echo " --torture rcu"
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exit 1
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}
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while test $# -gt 0
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do
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case "$1" in
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--bootargs|--bootarg)
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checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
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TORTURE_BOOTARGS="$2"
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shift
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;;
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--bootimage)
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checkarg --bootimage "(relative path to kernel boot image)" "$#" "$2" '[a-zA-Z0-9][a-zA-Z0-9_]*' '^--'
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TORTURE_BOOT_IMAGE="$2"
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shift
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;;
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--buildonly)
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TORTURE_BUILDONLY=1
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;;
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--configs|--config)
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checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
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configs="$2"
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shift
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;;
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--cpus)
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checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--'
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cpus=$2
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shift
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;;
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--datestamp)
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checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--'
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ds=$2
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shift
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;;
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--defconfig)
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checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--'
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TORTURE_DEFCONFIG=$2
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shift
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;;
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--dryrun)
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checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--'
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dryrun=$2
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shift
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;;
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--duration)
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checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error'
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dur=$(($2*60))
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shift
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;;
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--interactive)
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TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE
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;;
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--jitter)
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checkarg --jitter "(# threads [ sleep [ spin ] ])" $# "$2" '^-\{,1\}[0-9]\+\( \+[0-9]\+\)\{,2\} *$' '^error$'
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jitter="$2"
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shift
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;;
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--kconfig)
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checkarg --kconfig "(Kconfig options)" $# "$2" '^CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\( CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\)*$' '^error$'
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TORTURE_KCONFIG_ARG="$2"
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shift
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;;
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--kmake-arg)
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checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
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TORTURE_KMAKE_ARG="$2"
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shift
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;;
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--mac)
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checkarg --mac "(MAC address)" $# "$2" '^\([0-9a-fA-F]\{2\}:\)\{5\}[0-9a-fA-F]\{2\}$' error
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TORTURE_QEMU_MAC=$2
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shift
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;;
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--no-initrd)
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TORTURE_INITRD=""; export TORTURE_INITRD
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;;
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--qemu-args|--qemu-arg)
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checkarg --qemu-args "-qemu args" $# "$2" '^-' '^error'
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TORTURE_QEMU_ARG="$2"
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shift
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;;
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--qemu-cmd)
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checkarg --qemu-cmd "(qemu-system-...)" $# "$2" 'qemu-system-' '^--'
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TORTURE_QEMU_CMD="$2"
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shift
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;;
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--results)
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checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error'
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resdir=$2
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shift
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;;
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--shutdown-grace)
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checkarg --shutdown-grace "(seconds)" "$#" "$2" '^[0-9]*$' '^error'
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TORTURE_SHUTDOWN_GRACE=$2
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shift
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;;
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--torture)
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checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\)$' '^--'
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TORTURE_SUITE=$2
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shift
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;;
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*)
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echo Unknown argument $1
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usage
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;;
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esac
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shift
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done
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CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG
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if test -z "$configs"
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then
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configs="`cat $CONFIGFRAG/CFLIST`"
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fi
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if test -z "$resdir"
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then
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resdir=$KVM/res
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fi
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# Create a file of test-name/#cpus pairs, sorted by decreasing #cpus.
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touch $T/cfgcpu
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for CF in $configs
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do
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case $CF in
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[0-9]\**|[0-9][0-9]\**|[0-9][0-9][0-9]\**)
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config_reps=`echo $CF | sed -e 's/\*.*$//'`
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CF1=`echo $CF | sed -e 's/^[^*]*\*//'`
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;;
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*)
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config_reps=1
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CF1=$CF
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;;
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esac
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if test -f "$CONFIGFRAG/$CF1"
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then
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cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1`
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cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"`
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cpu_count=`configfrag_boot_maxcpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"`
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for ((cur_rep=0;cur_rep<$config_reps;cur_rep++))
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do
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echo $CF1 $cpu_count >> $T/cfgcpu
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done
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else
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echo "The --configs file $CF1 does not exist, terminating."
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exit 1
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fi
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done
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sort -k2nr $T/cfgcpu -T="$T" > $T/cfgcpu.sort
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# Use a greedy bin-packing algorithm, sorting the list accordingly.
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awk < $T/cfgcpu.sort > $T/cfgcpu.pack -v ncpus=$cpus '
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BEGIN {
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njobs = 0;
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}
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{
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# Read file of tests and corresponding required numbers of CPUs.
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cf[njobs] = $1;
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cpus[njobs] = $2;
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njobs++;
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}
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END {
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alldone = 0;
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batch = 0;
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nc = -1;
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# Each pass through the following loop creates on test batch
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# that can be executed concurrently given ncpus. Note that a
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# given test that requires more than the available CPUs will run in
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# their own batch. Such tests just have to make do with what
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# is available.
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while (nc != ncpus) {
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batch++;
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nc = ncpus;
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# Each pass through the following loop considers one
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# test for inclusion in the current batch.
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for (i = 0; i < njobs; i++) {
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if (done[i])
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continue; # Already part of a batch.
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if (nc >= cpus[i] || nc == ncpus) {
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# This test fits into the current batch.
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done[i] = batch;
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nc -= cpus[i];
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if (nc <= 0)
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break; # Too-big test in its own batch.
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}
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}
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}
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# Dump out the tests in batch order.
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for (b = 1; b <= batch; b++)
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for (i = 0; i < njobs; i++)
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if (done[i] == b)
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print cf[i], cpus[i];
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}'
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# Generate a script to execute the tests in appropriate batches.
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cat << ___EOF___ > $T/script
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CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG
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KVM="$KVM"; export KVM
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PATH="$PATH"; export PATH
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TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE
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TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY
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TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG
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TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD
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TORTURE_KCONFIG_ARG="$TORTURE_KCONFIG_ARG"; export TORTURE_KCONFIG_ARG
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TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
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TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD
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TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE
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TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC
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TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE
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TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
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if ! test -e $resdir
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then
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mkdir -p "$resdir" || :
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fi
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mkdir $resdir/$ds
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echo Results directory: $resdir/$ds
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echo $scriptname $args
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touch $resdir/$ds/log
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echo $scriptname $args >> $resdir/$ds/log
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echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE
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pwd > $resdir/$ds/testid.txt
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if test -d .git
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then
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git status >> $resdir/$ds/testid.txt
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git rev-parse HEAD >> $resdir/$ds/testid.txt
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git diff HEAD >> $resdir/$ds/testid.txt
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fi
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___EOF___
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awk < $T/cfgcpu.pack \
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-v TORTURE_BUILDONLY="$TORTURE_BUILDONLY" \
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-v CONFIGDIR="$CONFIGFRAG/" \
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-v KVM="$KVM" \
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-v ncpus=$cpus \
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-v jitter="$jitter" \
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-v rd=$resdir/$ds/ \
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-v dur=$dur \
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-v TORTURE_QEMU_ARG="$TORTURE_QEMU_ARG" \
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-v TORTURE_BOOTARGS="$TORTURE_BOOTARGS" \
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'BEGIN {
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i = 0;
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}
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{
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cf[i] = $1;
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cpus[i] = $2;
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i++;
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}
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# Dump out the scripting required to run one test batch.
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function dump(first, pastlast, batchnum)
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{
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print "echo ----Start batch " batchnum ": `date`";
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print "echo ----Start batch " batchnum ": `date` >> " rd "/log";
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print "needqemurun="
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jn=1
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for (j = first; j < pastlast; j++) {
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builddir=KVM "/b" jn
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cpusr[jn] = cpus[j];
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if (cfrep[cf[j]] == "") {
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cfr[jn] = cf[j];
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cfrep[cf[j]] = 1;
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} else {
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cfrep[cf[j]]++;
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cfr[jn] = cf[j] "." cfrep[cf[j]];
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}
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if (cpusr[jn] > ncpus && ncpus != 0)
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ovf = "-ovf";
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else
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ovf = "";
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print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`";
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print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` >> " rd "/log";
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print "rm -f " builddir ".*";
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print "touch " builddir ".wait";
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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
|