diff options
Diffstat (limited to 'tools/testing/selftests/rcutorture/bin/kvm.sh')
| -rwxr-xr-x | tools/testing/selftests/rcutorture/bin/kvm.sh | 345 |
1 files changed, 258 insertions, 87 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index 78d18ab8e954..6c734818a875 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -20,30 +20,48 @@ mkdir $T cd `dirname $scriptname`/../../../../../ +# This script knows only English. +LANG=en_US.UTF-8; export LANG + dur=$((30*60)) dryrun="" -KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM -PATH=${KVM}/bin:$PATH; export PATH +RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE +PATH=${RCUTORTURE}/bin:$PATH; export PATH . functions.sh TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`" TORTURE_DEFCONFIG=defconfig TORTURE_BOOT_IMAGE="" -TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD +TORTURE_BUILDONLY= +TORTURE_INITRD="$RCUTORTURE/initrd"; export TORTURE_INITRD TORTURE_KCONFIG_ARG="" +TORTURE_KCONFIG_GDB_ARG="" +TORTURE_BOOT_GDB_ARG="" +TORTURE_QEMU_GDB_ARG="" +TORTURE_JITTER_START="" +TORTURE_JITTER_STOP="" +TORTURE_KCONFIG_KASAN_ARG="" +TORTURE_KCONFIG_KCSAN_ARG="" TORTURE_KMAKE_ARG="" TORTURE_QEMU_MEM=512 +torture_qemu_mem_default=1 +TORTURE_REMOTE= TORTURE_SHUTDOWN_GRACE=180 TORTURE_SUITE=rcu +TORTURE_MOD=rcutorture TORTURE_TRUST_MAKE="" resdir="" configs="" cpus=0 -ds=`date +%Y.%m.%d-%H:%M:%S` +ds=`date +%Y.%m.%d-%H.%M.%S` jitter="-1" +startdate="`date`" +starttime="`get_starttime`" + usage () { echo "Usage: $scriptname optional arguments:" + echo " --allcpus" echo " --bootargs kernel-boot-arguments" echo " --bootimage relative-path-to-kernel-boot-image" echo " --buildonly" @@ -51,19 +69,25 @@ usage () { echo " --cpus N" echo " --datestamp string" echo " --defconfig string" - echo " --dryrun sched|script" - echo " --duration minutes" + echo " --dryrun batches|scenarios|sched|script" + echo " --duration minutes | <seconds>s | <hours>h | <days>d" + echo " --gdb" + echo " --help" echo " --interactive" echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]" + echo " --kasan" echo " --kconfig Kconfig-options" + echo " --kcsan" echo " --kmake-arg kernel-make-arguments" echo " --mac nn:nn:nn:nn:nn:nn" - echo " --memory megabytes | nnnG" + echo " --memory megabytes|nnnG" echo " --no-initrd" echo " --qemu-args qemu-arguments" echo " --qemu-cmd qemu-system-..." + echo " --remote" echo " --results absolute-pathname" - echo " --torture rcu" + echo " --shutdown-grace seconds" + echo " --torture lock|rcu|rcuscale|refscale|scf|X*" echo " --trust-make" exit 1 } @@ -71,9 +95,13 @@ usage () { while test $# -gt 0 do case "$1" in + --allcpus) + cpus=$TORTURE_ALLOTED_CPUS + max_cpus=$TORTURE_ALLOTED_CPUS + ;; --bootargs|--bootarg) checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--' - TORTURE_BOOTARGS="$2" + TORTURE_BOOTARGS="$TORTURE_BOOTARGS $2" shift ;; --bootimage) @@ -81,27 +109,30 @@ do TORTURE_BOOT_IMAGE="$2" shift ;; - --buildonly) + --buildonly|--build-only) TORTURE_BUILDONLY=1 ;; --configs|--config) - checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--' - configs="$2" + checkarg --configs "(list of config files)" "$#" "$2" '^[^/.a-z]\+$' '^--' + configs="$configs $2" shift ;; --cpus) checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--' cpus=$2 TORTURE_ALLOTED_CPUS="$2" - max_cpus="`identify_qemu_vcpus`" - if test "$TORTURE_ALLOTED_CPUS" -gt "$max_cpus" + if test -z "$TORTURE_REMOTE" then - TORTURE_ALLOTED_CPUS=$max_cpus + max_cpus="`identify_qemu_vcpus`" + if test "$TORTURE_ALLOTED_CPUS" -gt "$max_cpus" + then + TORTURE_ALLOTED_CPUS=$max_cpus + fi fi shift ;; --datestamp) - checkarg --datestamp "(relative pathname)" "$#" "$2" '^[^/]*$' '^--' + checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--' ds=$2 shift ;; @@ -111,15 +142,35 @@ do shift ;; --dryrun) - checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--' + checkarg --dryrun "batches|sched|script" $# "$2" 'batches\|scenarios\|sched\|script' '^--' dryrun=$2 shift ;; --duration) - checkarg --duration "(minutes)" $# "$2" '^[0-9]*$' '^error' - dur=$(($2*60)) + checkarg --duration "(minutes)" $# "$2" '^[0-9][0-9]*\(s\|m\|h\|d\|\)$' '^error' + mult=60 + if echo "$2" | grep -q 's$' + then + mult=1 + elif echo "$2" | grep -q 'h$' + then + mult=3600 + elif echo "$2" | grep -q 'd$' + then + mult=86400 + fi + ts=`echo $2 | sed -e 's/[smhd]$//'` + dur=$(($ts*mult)) shift ;; + --gdb) + TORTURE_KCONFIG_GDB_ARG="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y"; export TORTURE_KCONFIG_GDB_ARG + TORTURE_BOOT_GDB_ARG="nokaslr"; export TORTURE_BOOT_GDB_ARG + TORTURE_QEMU_GDB_ARG="-s -S"; export TORTURE_QEMU_GDB_ARG + ;; + --help|-h) + usage + ;; --interactive) TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE ;; @@ -128,14 +179,24 @@ do jitter="$2" shift ;; - --kconfig) + --kasan) + TORTURE_KCONFIG_KASAN_ARG="CONFIG_DEBUG_INFO_NONE=n CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y CONFIG_KASAN=y"; export TORTURE_KCONFIG_KASAN_ARG + if test -n "$torture_qemu_mem_default" + then + TORTURE_QEMU_MEM=2G + fi + ;; + --kconfig|--kconfigs) checkarg --kconfig "(Kconfig options)" $# "$2" '^CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\( CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\)*$' '^error$' - TORTURE_KCONFIG_ARG="$2" + TORTURE_KCONFIG_ARG="`echo "$TORTURE_KCONFIG_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" shift ;; - --kmake-arg) + --kcsan) + 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 + ;; + --kmake-arg|--kmake-args) checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$' - TORTURE_KMAKE_ARG="$2" + TORTURE_KMAKE_ARG="`echo "$TORTURE_KMAKE_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" shift ;; --mac) @@ -146,6 +207,7 @@ do --memory) checkarg --memory "(memory size)" $# "$2" '^[0-9]\+[MG]\?$' error TORTURE_QEMU_MEM=$2 + torture_qemu_mem_default= shift ;; --no-initrd) @@ -153,7 +215,7 @@ do ;; --qemu-args|--qemu-arg) checkarg --qemu-args "(qemu arguments)" $# "$2" '^-' '^error' - TORTURE_QEMU_ARG="$2" + TORTURE_QEMU_ARG="`echo "$TORTURE_QEMU_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`" shift ;; --qemu-cmd) @@ -161,6 +223,9 @@ do TORTURE_QEMU_CMD="$2" shift ;; + --remote) + TORTURE_REMOTE=1 + ;; --results) checkarg --results "(absolute pathname)" "$#" "$2" '^/' '^error' resdir=$2 @@ -172,13 +237,15 @@ do shift ;; --torture) - checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuperf\)$' '^--' + checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\|rcuscale\|refscale\|scf\|X.*\)$' '^--' TORTURE_SUITE=$2 + TORTURE_MOD="`echo $TORTURE_SUITE | sed -e 's/^\(lock\|rcu\|scf\)$/\1torture/'`" shift - if test "$TORTURE_SUITE" = rcuperf + if test "$TORTURE_SUITE" = rcuscale || test "$TORTURE_SUITE" = refscale then - # If you really want jitter for rcuperf, specify - # it after specifying rcuperf. (But why?) + # If you really want jitter for refscale or + # rcuscale, specify it after specifying the rcuscale + # or the refscale. (But why jitter in these cases?) jitter=0 fi ;; @@ -193,7 +260,7 @@ do shift done -if test -z "$TORTURE_INITRD" || tools/testing/selftests/rcutorture/bin/mkinitrd.sh +if test -n "$dryrun" || test -z "$TORTURE_INITRD" || tools/testing/selftests/rcutorture/bin/mkinitrd.sh then : else @@ -201,7 +268,7 @@ else exit 1 fi -CONFIGFRAG=${KVM}/configs/${TORTURE_SUITE}; export CONFIGFRAG +CONFIGFRAG=${RCUTORTURE}/configs/${TORTURE_SUITE}; export CONFIGFRAG defaultconfigs="`tr '\012' ' ' < $CONFIGFRAG/CFLIST`" if test -z "$configs" @@ -211,7 +278,7 @@ fi if test -z "$resdir" then - resdir=$KVM/res + resdir=$RCUTORTURE/res fi # Create a file of test-name/#cpus pairs, sorted by decreasing #cpus. @@ -219,7 +286,7 @@ configs_derep= for CF in $configs do case $CF in - [0-9]\**|[0-9][0-9]\**|[0-9][0-9][0-9]\**) + [0-9]\**|[0-9][0-9]\**|[0-9][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/^[^*]*\*//'` ;; @@ -235,19 +302,43 @@ do done touch $T/cfgcpu configs_derep="`echo $configs_derep | sed -e "s/\<CFLIST\>/$defaultconfigs/g"`" -for CF1 in $configs_derep +if test -n "$TORTURE_KCONFIG_GDB_ARG" +then + if test "`echo $configs_derep | wc -w`" -gt 1 + then + echo "The --config list is: $configs_derep." + echo "Only one --config permitted with --gdb, terminating." + exit 1 + fi +fi +echo 'BEGIN {' > $T/cfgcpu.awk +for CF1 in `echo $configs_derep | tr -s ' ' '\012' | sort -u` do if test -f "$CONFIGFRAG/$CF1" then - cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1` + if echo "$TORTURE_KCONFIG_ARG" | grep -q '\<CONFIG_NR_CPUS=' + then + echo "$TORTURE_KCONFIG_ARG" | tr -s ' ' | tr ' ' '\012' > $T/KCONFIG_ARG + cpu_count=`configNR_CPUS.sh $T/KCONFIG_ARG` + else + cpu_count=`configNR_CPUS.sh $CONFIGFRAG/$CF1` + fi cpu_count=`configfrag_boot_cpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"` cpu_count=`configfrag_boot_maxcpus "$TORTURE_BOOTARGS" "$CONFIGFRAG/$CF1" "$cpu_count"` - echo $CF1 $cpu_count >> $T/cfgcpu + echo 'scenariocpu["'"$CF1"'"] = '"$cpu_count"';' >> $T/cfgcpu.awk else echo "The --configs file $CF1 does not exist, terminating." exit 1 fi done +cat << '___EOF___' >> $T/cfgcpu.awk +} +{ + for (i = 1; i <= NF; i++) + print $i, scenariocpu[$i]; +} +___EOF___ +echo $configs_derep | awk -f $T/cfgcpu.awk > $T/cfgcpu sort -k2nr $T/cfgcpu -T="$T" > $T/cfgcpu.sort # Use a greedy bin-packing algorithm, sorting the list accordingly. @@ -267,11 +358,10 @@ END { 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. + # 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 its own + # batch. Such tests just have to make do with what is available. while (nc != ncpus) { batch++; nc = ncpus; @@ -302,7 +392,7 @@ END { # Generate a script to execute the tests in appropriate batches. cat << ___EOF___ > $T/script CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG -KVM="$KVM"; export KVM +RCUTORTURE="$RCUTORTURE"; export RCUTORTURE PATH="$PATH"; export PATH TORTURE_ALLOTED_CPUS="$TORTURE_ALLOTED_CPUS"; export TORTURE_ALLOTED_CPUS TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE @@ -310,7 +400,13 @@ TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD TORTURE_KCONFIG_ARG="$TORTURE_KCONFIG_ARG"; export TORTURE_KCONFIG_ARG +TORTURE_KCONFIG_GDB_ARG="$TORTURE_KCONFIG_GDB_ARG"; export TORTURE_KCONFIG_GDB_ARG +TORTURE_BOOT_GDB_ARG="$TORTURE_BOOT_GDB_ARG"; export TORTURE_BOOT_GDB_ARG +TORTURE_QEMU_GDB_ARG="$TORTURE_QEMU_GDB_ARG"; export TORTURE_QEMU_GDB_ARG +TORTURE_KCONFIG_KASAN_ARG="$TORTURE_KCONFIG_KASAN_ARG"; export TORTURE_KCONFIG_KASAN_ARG +TORTURE_KCONFIG_KCSAN_ARG="$TORTURE_KCONFIG_KCSAN_ARG"; export TORTURE_KCONFIG_KCSAN_ARG TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG +TORTURE_MOD="$TORTURE_MOD"; export TORTURE_MOD TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC @@ -322,31 +418,31 @@ if ! test -e $resdir then mkdir -p "$resdir" || : fi -mkdir $resdir/$ds +mkdir -p $resdir/$ds +TORTURE_RESDIR="$resdir/$ds"; export TORTURE_RESDIR +TORTURE_STOPFILE="$resdir/$ds/STOP.1"; export TORTURE_STOPFILE echo Results directory: $resdir/$ds echo $scriptname $args touch $resdir/$ds/log echo $scriptname $args >> $resdir/$ds/log -echo ${TORTURE_SUITE} > $resdir/$ds/TORTURE_SUITE -pwd > $resdir/$ds/testid.txt +echo ${TORTURE_SUITE} > $resdir/$ds/torture_suite +echo Build directory: `pwd` > $resdir/$ds/testid.txt if test -d .git then + echo Current commit: `git rev-parse HEAD` >> $resdir/$ds/testid.txt + echo >> $resdir/$ds/testid.txt + echo ' ---' Output of "'"git status"'": >> $resdir/$ds/testid.txt git status >> $resdir/$ds/testid.txt - git rev-parse HEAD >> $resdir/$ds/testid.txt + echo >> $resdir/$ds/testid.txt + echo >> $resdir/$ds/testid.txt + echo ' ---' Output of "'"git diff HEAD"'": >> $resdir/$ds/testid.txt git diff HEAD >> $resdir/$ds/testid.txt fi ___EOF___ -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 { +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; } @@ -357,13 +453,22 @@ awk < $T/cfgcpu.pack \ } # Dump out the scripting required to run one test batch. -function dump(first, pastlast, batchnum) +function dump(first, pastlast, batchnum, affinitylist) { print "echo ----Start batch " batchnum ": `date` | tee -a " rd "log"; print "needqemurun=" jn=1 + njitter = 0; + split(jitter, ja); + if (ja[1] == -1 && ncpus == 0) + njitter = 1; + else if (ja[1] == -1) + njitter = ncpus; + else + njitter = ja[1]; + print "TORTURE_JITTER_START=\". jitterstart.sh " njitter " " rd " " dur " " ja[2] " " ja[3] "\"; export TORTURE_JITTER_START"; + print "TORTURE_JITTER_STOP=\". jitterstop.sh " rd " \"; export TORTURE_JITTER_STOP" for (j = first; j < pastlast; j++) { - builddir=KVM "/b" j - first + 1 cpusr[jn] = cpus[j]; if (cfrep[cf[j]] == "") { cfr[jn] = cf[j]; @@ -372,15 +477,23 @@ function dump(first, pastlast, batchnum) cfrep[cf[j]]++; cfr[jn] = cf[j] "." cfrep[cf[j]]; } + builddir=rd cfr[jn] "/build"; if (cpusr[jn] > ncpus && ncpus != 0) ovf = "-ovf"; else ovf = ""; print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date` | tee -a " rd "log"; - print "rm -f " builddir ".*"; - print "touch " builddir ".wait"; print "mkdir " rd cfr[jn] " || :"; - print "kvm-test-1-run.sh " CONFIGDIR cf[j], builddir, rd cfr[jn], dur " \"" TORTURE_QEMU_ARG "\" \"" TORTURE_BOOTARGS "\" > " rd cfr[jn] "/kvm-test-1-run.sh.out 2>&1 &" + print "touch " builddir ".wait"; + affinitylist = ""; + if (gotcpus()) { + affinitylist = nextcpus(cpusr[jn]); + } + if (affinitylist ~ /^[0-9,-][0-9,-]*$/) + 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" @@ -389,23 +502,21 @@ function dump(first, pastlast, batchnum) print "echo ", cfr[jn], cpusr[jn] ovf ": Build complete. `date` | tee -a " rd "log"; jn++; } + print "runfiles=" for (j = 1; j < jn; j++) { - builddir=KVM "/b" j - print "rm -f " builddir ".ready" + builddir=rd cfr[j] "/build"; + if (TORTURE_BUILDONLY) + print "rm -f " builddir ".ready" + else + print "mv " builddir ".ready " builddir ".run" + print "runfiles=\"$runfiles " builddir ".run\"" + fi print "if test -f \"" rd cfr[j] "/builtkernel\"" print "then" print "\techo ----", cfr[j], cpusr[j] ovf ": Kernel present. `date` | tee -a " rd "log"; print "\tneedqemurun=1" print "fi" } - njitter = 0; - split(jitter, ja); - if (ja[1] == -1 && ncpus == 0) - njitter = 1; - else if (ja[1] == -1) - njitter = ncpus; - else - njitter = ja[1]; if (TORTURE_BUILDONLY && njitter != 0) { njitter = 0; print "echo Build-only run, so suppressing jitter | tee -a " rd "log" @@ -416,16 +527,18 @@ function dump(first, pastlast, batchnum) print "if test -n \"$needqemurun\"" print "then" print "\techo ---- Starting kernels. `date` | tee -a " rd "log"; - for (j = 0; j < njitter; j++) - print "\tjitter.sh " j " " dur " " ja[2] " " ja[3] "&" - print "\twait" + print "\t$TORTURE_JITTER_START"; + print "\twhile ls $runfiles > /dev/null 2>&1" + print "\tdo" + print "\t\t:" + print "\tdone" + print "\t$TORTURE_JITTER_STOP"; print "\techo ---- All kernel runs complete. `date` | tee -a " rd "log"; print "else" print "\twait" print "\techo ---- No kernel runs. `date` | tee -a " rd "log"; print "fi" for (j = 1; j < jn; j++) { - builddir=KVM "/b" j print "echo ----", cfr[j], cpusr[j] ovf ": Build/run results: | tee -a " rd "log"; print "cat " rd cfr[j] "/kvm-test-1-run.sh.out | tee -a " rd "log"; } @@ -457,15 +570,51 @@ END { # 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___ +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 @@ -474,15 +623,37 @@ then elif test "$dryrun" = sched then # Extract the test run schedule from the script. - egrep 'Start batch|Starting build\.' $T/script | - grep -v ">>" | + 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, so run the script. - sh $T/script + # Not a dryrun. Record the batches and the number of CPUs, then run the script. + bash $T/script + ret=$? + cp $T/batches $resdir/$ds/batches + 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 |