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tools/memory-model: Make judgelitmus.sh detect hard deadlocks

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If a litmus test specifies "Result: Never" and if it contains an
unconditional ("hard") deadlock, then running checklitmus.sh on it will
not flag any errors, despite the fact that there are no executions.
This commit therefore updates judgelitmus.sh to complain about tests
with no executions that are marked, but not as "Result: DEADLOCK".

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2019-03-19 14:27:06 -07:00
parent 02484d826f
commit e253a40302
1 changed files with 8 additions and 0 deletions
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8
tools/memory-model/scripts/judgelitmus.sh
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@ -83,6 +83,14 @@ then
fi
ret=1
fi
elif grep '^Observation' $LKMM_DESTDIR/$litmus.out | grep -q 'Never 0 0$'
then
echo " !!! Unexpected non-$outcome deadlock" $litmus
if ! grep -q '!!!' $LKMM_DESTDIR/$litmus.out
then
echo " !!! Unexpected non-$outcome deadlock" $litmus >> $LKMM_DESTDIR/$litmus.out 2>&1
fi
ret=1
elif grep '^Observation' $LKMM_DESTDIR/$litmus.out | grep -q $outcome || test "$outcome" = Maybe
then
ret=0