660 lines
19 KiB
Bash
Executable File
660 lines
19 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Run a series of tests under KVM. By default, this series is specified
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# by the relevant CFLIST file, but can be overridden by the --configs
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# command-line argument.
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#
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# Usage: kvm.sh [ options ]
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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.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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cd `dirname $scriptname`/../../../../../
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# This script knows only English.
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LANG=en_US.UTF-8; export LANG
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dur=$((30*60))
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dryrun=""
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RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE
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PATH=${RCUTORTURE}/bin:$PATH; export PATH
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. functions.sh
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TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`"
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TORTURE_DEFCONFIG=defconfig
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TORTURE_BOOT_IMAGE=""
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TORTURE_BUILDONLY=
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TORTURE_INITRD="$RCUTORTURE/initrd"; export TORTURE_INITRD
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TORTURE_KCONFIG_ARG=""
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TORTURE_KCONFIG_GDB_ARG=""
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TORTURE_BOOT_GDB_ARG=""
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TORTURE_QEMU_GDB_ARG=""
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TORTURE_JITTER_START=""
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TORTURE_JITTER_STOP=""
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TORTURE_KCONFIG_KASAN_ARG=""
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TORTURE_KCONFIG_KCSAN_ARG=""
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TORTURE_KMAKE_ARG=""
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TORTURE_QEMU_MEM=512
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torture_qemu_mem_default=1
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TORTURE_REMOTE=
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TORTURE_SHUTDOWN_GRACE=180
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TORTURE_SUITE=rcu
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TORTURE_MOD=rcutorture
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TORTURE_TRUST_MAKE=""
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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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startdate="`date`"
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starttime="`get_starttime`"
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usage () {
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echo "Usage: $scriptname optional arguments:"
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echo " --allcpus"
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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 batches|scenarios|sched|script"
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echo " --duration minutes | <seconds>s | <hours>h | <days>d"
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echo " --gdb"
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echo " --help"
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echo " --interactive"
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echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]"
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echo " --kasan"
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echo " --kconfig Kconfig-options"
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echo " --kcsan"
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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 " --memory megabytes|nnnG"
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echo " --no-initrd"
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echo " --qemu-args qemu-arguments"
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echo " --qemu-cmd qemu-system-..."
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echo " --remote"
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echo " --results absolute-pathname"
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echo " --shutdown-grace seconds"
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echo " --torture lock|rcu|rcuscale|refscale|scf|X*"
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echo " --trust-make"
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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 "$1" in
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--allcpus)
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cpus=$TORTURE_ALLOTED_CPUS
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max_cpus=$TORTURE_ALLOTED_CPUS
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;;
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--bootargs|--bootarg)
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checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
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TORTURE_BOOTARGS="$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="$2"
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shift
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;;
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--buildonly|--build-only)
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TORTURE_BUILDONLY=1
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;;
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--configs|--config)
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checkarg --configs "(list of config files)" "$#" "$2" '^[^/.a-z]\+$' '^--'
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configs="$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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TORTURE_ALLOTED_CPUS="$2"
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if test -z "$TORTURE_REMOTE"
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then
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max_cpus="`identify_qemu_vcpus`"
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if test "$TORTURE_ALLOTED_CPUS" -gt "$max_cpus"
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then
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TORTURE_ALLOTED_CPUS=$max_cpus
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fi
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fi
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shift
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;;
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--datestamp)
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checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--'
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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 "batches|sched|script" $# "$2" 'batches\|scenarios\|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][0-9]*\(s\|m\|h\|d\|\)$' '^error'
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mult=60
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if echo "$2" | grep -q 's$'
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then
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mult=1
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elif echo "$2" | grep -q 'h$'
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then
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mult=3600
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elif echo "$2" | grep -q 'd$'
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then
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mult=86400
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fi
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ts=`echo $2 | sed -e 's/[smhd]$//'`
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dur=$(($ts*mult))
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shift
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;;
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--gdb)
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TORTURE_KCONFIG_GDB_ARG="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y"; export TORTURE_KCONFIG_GDB_ARG
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TORTURE_BOOT_GDB_ARG="nokaslr"; export TORTURE_BOOT_GDB_ARG
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TORTURE_QEMU_GDB_ARG="-s -S"; export TORTURE_QEMU_GDB_ARG
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;;
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--help|-h)
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usage
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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="$2"
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shift
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;;
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--kasan)
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TORTURE_KCONFIG_KASAN_ARG="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y CONFIG_KASAN=y"; export TORTURE_KCONFIG_KASAN_ARG
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if test -n "$torture_qemu_mem_default"
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then
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TORTURE_QEMU_MEM=2G
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fi
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;;
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--kconfig|--kconfigs)
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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="`echo "$TORTURE_KCONFIG_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
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shift
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;;
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--kcsan)
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TORTURE_KCONFIG_KCSAN_ARG="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y CONFIG_KCSAN=y CONFIG_KCSAN_STRICT=y CONFIG_KCSAN_REPORT_ONCE_IN_MS=100000 CONFIG_KCSAN_VERBOSE=y CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y"; export TORTURE_KCONFIG_KCSAN_ARG
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;;
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--kmake-arg|--kmake-args)
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checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
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TORTURE_KMAKE_ARG="`echo "$TORTURE_KMAKE_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
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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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--memory)
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checkarg --memory "(memory size)" $# "$2" '^[0-9]\+[MG]\?$' error
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TORTURE_QEMU_MEM=$2
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torture_qemu_mem_default=
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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 arguments)" $# "$2" '^-' '^error'
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TORTURE_QEMU_ARG="`echo "$TORTURE_QEMU_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
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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="$2"
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shift
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;;
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--remote)
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TORTURE_REMOTE=1
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;;
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--results)
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checkarg --results "(absolute pathname)" "$#" "$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" '^\(lock\|rcu\|rcuscale\|refscale\|scf\|X.*\)$' '^--'
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TORTURE_SUITE=$2
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TORTURE_MOD="`echo $TORTURE_SUITE | sed -e 's/^\(lock\|rcu\|scf\)$/\1torture/'`"
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shift
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if test "$TORTURE_SUITE" = rcuscale || test "$TORTURE_SUITE" = refscale
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then
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# If you really want jitter for refscale or
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# rcuscale, specify it after specifying the rcuscale
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# or the refscale. (But why jitter in these cases?)
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jitter=0
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fi
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;;
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--trust-make)
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TORTURE_TRUST_MAKE="y"
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;;
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*)
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echo Unknown argument $1
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usage
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;;
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esac
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shift
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done
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if test -n "$dryrun" || test -z "$TORTURE_INITRD" || tools/testing/selftests/rcutorture/bin/mkinitrd.sh
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then
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:
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else
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echo No initrd and unable to create one, aborting test >&2
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exit 1
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fi
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CONFIGFRAG=${RCUTORTURE}/configs/${TORTURE_SUITE}; export CONFIGFRAG
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defaultconfigs="`tr '\012' ' ' < $CONFIGFRAG/CFLIST`"
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if test -z "$configs"
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then
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configs=$defaultconfigs
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fi
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if test -z "$resdir"
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then
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resdir=$RCUTORTURE/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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configs_derep=
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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]\**|[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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for ((cur_rep=0;cur_rep<$config_reps;cur_rep++))
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do
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configs_derep="$configs_derep $CF1"
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done
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done
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touch $T/cfgcpu
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configs_derep="`echo $configs_derep | sed -e "s/\<CFLIST\>/$defaultconfigs/g"`"
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if test -n "$TORTURE_KCONFIG_GDB_ARG"
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then
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if test "`echo $configs_derep | wc -w`" -gt 1
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then
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echo "The --config list is: $configs_derep."
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echo "Only one --config permitted with --gdb, terminating."
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exit 1
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fi
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fi
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echo 'BEGIN {' > $T/cfgcpu.awk
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for CF1 in `echo $configs_derep | tr -s ' ' '\012' | sort -u`
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do
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if test -f "$CONFIGFRAG/$CF1"
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then
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if echo "$TORTURE_KCONFIG_ARG" | grep -q '\<CONFIG_NR_CPUS='
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then
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echo "$TORTURE_KCONFIG_ARG" | tr -s ' ' | tr ' ' '\012' > $T/KCONFIG_ARG
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cpu_count=`configNR_CPUS.sh $T/KCONFIG_ARG`
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else
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cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1`
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fi
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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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echo 'scenariocpu["'"$CF1"'"] = '"$cpu_count"';' >> $T/cfgcpu.awk
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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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cat << '___EOF___' >> $T/cfgcpu.awk
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}
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{
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for (i = 1; i <= NF; i++)
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print $i, scenariocpu[$i];
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}
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___EOF___
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echo $configs_derep | awk -f $T/cfgcpu.awk > $T/cfgcpu
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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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batch = 0;
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nc = -1;
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# Each pass through the following loop creates on test batch that
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# can be executed concurrently given ncpus. Note that a given test
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# that requires more than the available CPUs will run in its own
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# batch. Such tests just have to make do with what 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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RCUTORTURE="$RCUTORTURE"; export RCUTORTURE
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PATH="$PATH"; export PATH
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TORTURE_ALLOTED_CPUS="$TORTURE_ALLOTED_CPUS"; export TORTURE_ALLOTED_CPUS
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TORTURE_BOOT_IMAGE="$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_KCONFIG_GDB_ARG="$TORTURE_KCONFIG_GDB_ARG"; export TORTURE_KCONFIG_GDB_ARG
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TORTURE_BOOT_GDB_ARG="$TORTURE_BOOT_GDB_ARG"; export TORTURE_BOOT_GDB_ARG
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TORTURE_QEMU_GDB_ARG="$TORTURE_QEMU_GDB_ARG"; export TORTURE_QEMU_GDB_ARG
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TORTURE_KCONFIG_KASAN_ARG="$TORTURE_KCONFIG_KASAN_ARG"; export TORTURE_KCONFIG_KASAN_ARG
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TORTURE_KCONFIG_KCSAN_ARG="$TORTURE_KCONFIG_KCSAN_ARG"; export TORTURE_KCONFIG_KCSAN_ARG
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TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
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TORTURE_MOD="$TORTURE_MOD"; export TORTURE_MOD
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TORTURE_QEMU_CMD="$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_QEMU_MEM="$TORTURE_QEMU_MEM"; export TORTURE_QEMU_MEM
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TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE
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TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
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TORTURE_TRUST_MAKE="$TORTURE_TRUST_MAKE"; export TORTURE_TRUST_MAKE
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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 -p $resdir/$ds
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TORTURE_RESDIR="$resdir/$ds"; export TORTURE_RESDIR
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TORTURE_STOPFILE="$resdir/$ds/STOP.1"; export TORTURE_STOPFILE
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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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echo Build directory: `pwd` > $resdir/$ds/testid.txt
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if test -d .git
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then
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echo Current commit: `git rev-parse HEAD` >> $resdir/$ds/testid.txt
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echo >> $resdir/$ds/testid.txt
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echo ' ---' Output of "'"git status"'": >> $resdir/$ds/testid.txt
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git status >> $resdir/$ds/testid.txt
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echo >> $resdir/$ds/testid.txt
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echo >> $resdir/$ds/testid.txt
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echo ' ---' Output of "'"git diff HEAD"'": >> $resdir/$ds/testid.txt
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git diff HEAD >> $resdir/$ds/testid.txt
|
|
fi
|
|
___EOF___
|
|
kvm-assign-cpus.sh /sys/devices/system/node > $T/cpuarray.awk
|
|
kvm-get-cpus-script.sh $T/cpuarray.awk $T/dumpbatches.awk
|
|
cat << '___EOF___' >> $T/dumpbatches.awk
|
|
BEGIN {
|
|
i = 0;
|
|
}
|
|
|
|
{
|
|
cf[i] = $1;
|
|
cpus[i] = $2;
|
|
i++;
|
|
}
|
|
|
|
# Dump out the scripting required to run one test batch.
|
|
function dump(first, pastlast, batchnum, affinitylist)
|
|
{
|
|
print "echo ----Start batch " batchnum ": `date` | tee -a " rd "log";
|
|
print "needqemurun="
|
|
jn=1
|
|
njitter = 0;
|
|
split(jitter, ja);
|
|
if (ja[1] == -1 && ncpus == 0)
|
|
njitter = 1;
|
|
else if (ja[1] == -1)
|
|
njitter = ncpus;
|
|
else
|
|
njitter = ja[1];
|
|
print "TORTURE_JITTER_START=\". jitterstart.sh " njitter " " rd " " dur " " ja[2] " " ja[3] "\"; export TORTURE_JITTER_START";
|
|
print "TORTURE_JITTER_STOP=\". jitterstop.sh " rd " \"; export TORTURE_JITTER_STOP"
|
|
for (j = first; j < pastlast; j++) {
|
|
cpusr[jn] = cpus[j];
|
|
if (cfrep[cf[j]] == "") {
|
|
cfr[jn] = cf[j];
|
|
cfrep[cf[j]] = 1;
|
|
} else {
|
|
cfrep[cf[j]]++;
|
|
cfr[jn] = cf[j] "." cfrep[cf[j]];
|
|
}
|
|
builddir=rd cfr[jn] "/build";
|
|
if (cpusr[jn] > ncpus && ncpus != 0)
|
|
ovf = "-ovf";
|
|
else
|
|
ovf = "";
|
|
print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` | tee -a " rd "log";
|
|
print "mkdir " rd cfr[jn] " || :";
|
|
print "touch " builddir ".wait";
|
|
affinitylist = "";
|
|
if (gotcpus()) {
|
|
affinitylist = nextcpus(cpusr[jn]);
|
|
}
|
|
if (affinitylist ~ /^[0-9,-][0-9,-]*$/)
|
|
print "export TORTURE_AFFINITY=" affinitylist;
|
|
else
|
|
print "export TORTURE_AFFINITY=";
|
|
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"
|
|
print "\tsleep 1"
|
|
print "done"
|
|
print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` | tee -a " rd "log";
|
|
jn++;
|
|
}
|
|
print "runfiles="
|
|
for (j = 1; j < jn; j++) {
|
|
builddir=rd cfr[j] "/build";
|
|
if (TORTURE_BUILDONLY)
|
|
print "rm -f " builddir ".ready"
|
|
else
|
|
print "mv " builddir ".ready " builddir ".run"
|
|
print "runfiles=\"$runfiles " builddir ".run\""
|
|
fi
|
|
print "if test -f \"" rd cfr[j] "/builtkernel\""
|
|
print "then"
|
|
print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date` | tee -a " rd "log";
|
|
print "\tneedqemurun=1"
|
|
print "fi"
|
|
}
|
|
if (TORTURE_BUILDONLY && njitter != 0) {
|
|
njitter = 0;
|
|
print "echo Build-only run, so suppressing jitter | tee -a " rd "log"
|
|
}
|
|
if (TORTURE_BUILDONLY) {
|
|
print "needqemurun="
|
|
}
|
|
print "if test -n \"$needqemurun\""
|
|
print "then"
|
|
print "\techo ---- Starting kernels. `date` | tee -a " rd "log";
|
|
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++) {
|
|
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";
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
___EOF___
|
|
awk < $T/cfgcpu.pack \
|
|
-v TORTURE_BUILDONLY="$TORTURE_BUILDONLY" \
|
|
-v CONFIGDIR="$CONFIGFRAG/" \
|
|
-v RCUTORTURE="$RCUTORTURE" \
|
|
-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" \
|
|
-f $T/dumpbatches.awk >> $T/script
|
|
echo kvm-end-run-stats.sh "$resdir/$ds" "$starttime" >> $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
|
|
|
|
# As above, but one line per batch.
|
|
grep -v '^#' $T/batches | awk '
|
|
BEGIN {
|
|
oldbatch = 1;
|
|
}
|
|
|
|
{
|
|
if (oldbatch != $1) {
|
|
print ++n ". " curbatch;
|
|
curbatch = "";
|
|
oldbatch = $1;
|
|
}
|
|
curbatch = curbatch " " $2;
|
|
}
|
|
|
|
END {
|
|
print ++n ". " curbatch;
|
|
}' > $T/scenarios
|
|
|
|
if test "$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 //'
|
|
nbuilds="`grep 'Starting build\.' $T/script |
|
|
grep -v ">>" | sed -e 's/:.*$//' -e 's/^echo //' |
|
|
awk '{ print $1 }' | grep -v '\.' | wc -l`"
|
|
echo Total number of builds: $nbuilds
|
|
nbatches="`grep 'Start batch' $T/script | grep -v ">>" | wc -l`"
|
|
echo Total number of batches: $nbatches
|
|
exit 0
|
|
elif test "$dryrun" = batches
|
|
then
|
|
cat $T/batches
|
|
exit 0
|
|
elif test "$dryrun" = scenarios
|
|
then
|
|
cat $T/scenarios
|
|
exit 0
|
|
else
|
|
# 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
|
|
cp $T/scenarios $resdir/$ds/scenarios
|
|
echo '#' cpus=$cpus >> $resdir/$ds/batches
|
|
exit $ret
|
|
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
|
|
# Function-graph tracing: ftrace=function_graph ftrace_graph_filter=sched_setaffinity,migration_cpu_stop
|
|
# Also --kconfig "CONFIG_FUNCTION_TRACER=y CONFIG_FUNCTION_GRAPH_TRACER=y"
|
|
# Control buffer size: --bootargs trace_buf_size=3k
|
|
# Get trace-buffer dumps on all oopses: --bootargs ftrace_dump_on_oops
|
|
# Ditto, but dump only the oopsing CPU: --bootargs ftrace_dump_on_oops=orig_cpu
|
|
# Heavy-handed way to also dump on warnings: --bootargs panic_on_warn
|