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torturescript: Don't rerun failed rcutorture builds

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If the build fails when running multiple instances of a given rcutorture
scenario, for example, using the kvm.sh --configs "8*RUDE01" argument,
the build will be rerun an additional seven times.  This is in some sense
correct, but it can waste significant time.  This commit therefore checks
for a prior failed build and simply copies over that build's output.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2021-01-05 10:50:32 -08:00
parent a38fd87484
commit a519d21480
1 changed files with 12 additions and 1 deletions
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13
tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
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@ -73,7 +73,7 @@ config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG"
cp $T/KcList $resdir/ConfigFragment
base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'`
if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux
if test "$base_resdir" != "$resdir" && test -f $base_resdir/bzImage && test -f $base_resdir/vmlinux
then
# Rerunning previous test, so use that test's kernel.
QEMU="`identify_qemu $base_resdir/vmlinux`"
@ -83,6 +83,17 @@ then
ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
# Arch-independent indicator
touch $resdir/builtkernel
elif test "$base_resdir" != "$resdir"
then
# Rerunning previous test for which build failed
ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh
ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
echo Initial build failed, not running KVM, see $resdir.
if test -f $builddir.wait
then
mv $builddir.wait $builddir.ready
fi
exit 1
elif kvm-build.sh $T/KcList $resdir
then
# Had to build a kernel for this test.