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rcutorture: Allow kvm-test-1-rcu.sh to pause after build

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Parallel rcutorture runs is valuable on large systems, but it is not a
good idea to do (say) five builds in parallel if each build believes it
has the whole system at its disposal, especially if the system is shared.
It is also bad to restrict the build to (say) a single CPU just because
the corresponding rcutorture run uses only a single CPU.  This commit
therefore adds a kvm-test-1-rcu.sh ability to pause after the build
completes, which will allow kvm.sh to do a number of builds serially
(with each build thus having the full system at its disposal), then
allow the rcutorture runs to proceed in parallel.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2014-01-13 23:16:55 -08:00
parent 4a261dbcea
commit bad804406a
1 changed files with 12 additions and 0 deletions
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12
tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
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@ -96,11 +96,23 @@ then
cp $builddir/.config $resdir
cp $builddir/arch/x86/boot/bzImage $resdir
parse-build.sh $resdir/Make.out $title
if test -f $builddir.wait
then
mv $builddir.wait $builddir.ready
fi
else
cp $builddir/Make*.out $resdir
echo Build failed, not running KVM, see $resdir.
if test -f $builddir.wait
then
mv $builddir.wait $builddir.ready
fi
exit 1
fi
while test -f $builddir.ready
do
sleep 1
done
minutes=$4
seconds=$(($minutes * 60))
qemu_args=$5