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torture: Add --dryrun batches to help schedule a distributed run

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When all of the remote systems have the same number of CPUs, one
approach is to use one "--buildonly" run and one "--dryrun sched" run,
and then distributing the batches out one per remote system.  However,
the output of "--dryrun sched" is not made for parsing, so this commit
adds a "--dryrun batches" that provides the same information in easily
parsed form.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-12-11 16:26:50 -08:00
parent f716348f29
commit 755cf0afc1
1 changed files with 17 additions and 5 deletions
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22
tools/testing/selftests/rcutorture/bin/kvm.sh
View file

@ -60,7 +60,7 @@ usage () {
echo " --cpus N"
echo " --datestamp string"
echo " --defconfig string"
echo " --dryrun sched|script"
echo " --dryrun batches|sched|script"
echo " --duration minutes | <seconds>s | <hours>h | <days>d"
echo " --gdb"
echo " --help"
@ -126,7 +126,7 @@ do
shift
;;
--dryrun)
checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--'
checkarg --dryrun "batches|sched|script" $# "$2" 'batches\|sched\|script' '^--'
dryrun=$2
shift
;;
@ -235,7 +235,7 @@ do
shift
done
if test -z "$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
@ -547,8 +547,7 @@ 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 //' |
@ -557,6 +556,19 @@ then
nbatches="`grep 'Start batch' $T/script | grep -v ">>" | wc -l`"
echo Total number of batches: $nbatches
exit 0
elif test "$dryrun" = batches
then
# 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
}'
else
# Not a dryrun, so run the script.
bash $T/script