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judgelitmus.sh
#!/bin/sh # SPDX-License-Identifier: GPL-2.0+ # # Given a .litmus test and the corresponding litmus output file, check # the .litmus.out file against the "Result:" comment to judge whether the # test ran correctly. If the --hw argument is omitted, check against the # LKMM output, which is assumed to be in file.litmus.out. If either a # "DATARACE" marker in the "Result:" comment or a "Flag data-race" marker # in the LKMM output is present, the other must also be as well, at least # for litmus tests having a "Result:" comment. In this case, a failure of # the Always/Sometimes/Never portion of the "Result:" prediction will be # noted, but forgiven. # # If the --hw argument is provided, this is assumed to be a hardware # test, and the output is assumed to be in file.litmus.HW.out, where # "HW" is the --hw argument. In addition, non-Sometimes verification # results will be noted, but forgiven. Furthermore, if there is no # "Result:" comment but there is an LKMM .litmus.out file, the observation # in that file will be used to judge the assembly-language verification. # # Usage: # judgelitmus.sh file.litmus # # Run this in the directory containing the memory model, specifying the # pathname of the litmus test to check. # # Copyright IBM Corporation, 2018 # # Author: Paul E. McKenney <paulmck@linux.ibm.com> litmus=$1 if test -f "$litmus" -a -r "$litmus" then : else echo ' --- ' error: \"$litmus\" is not a readable file exit 255 fi if test -z "$LKMM_HW_MAP_FILE" then litmusout=$litmus.out lkmmout= else litmusout="`echo $litmus | sed -e 's/\.litmus$/.litmus.'${LKMM_HW_MAP_FILE}'/'`.out" lkmmout=$litmus.out fi if test -f "$LKMM_DESTDIR/$litmusout" -a -r "$LKMM_DESTDIR/$litmusout" then : else echo ' --- ' error: \"$LKMM_DESTDIR/$litmusout is not a readable file exit 255 fi if grep -q '^Flag data-race$' "$LKMM_DESTDIR/$litmusout" then datarace_modeled=1 fi if grep -q '^[( ]\* Result: ' $litmus then outcome=`grep -m 1 '^[( ]\* Result: ' $litmus | awk '{ print $3 }'` if grep -m1 '^[( ]\* Result: .* DATARACE' $litmus then datarace_predicted=1 fi if test -n "$datarace_predicted" -a -z "$datarace_modeled" -a -z "$LKMM_HW_MAP_FILE" then echo '!!! Predicted data race not modeled' $litmus exit 252 elif test -z "$datarace_predicted" -a -n "$datarace_modeled" then # Note that hardware models currently don't model data races echo '!!! Unexpected data race modeled' $litmus exit 253 fi elif test -n "$LKMM_HW_MAP_FILE" && grep -q '^Observation' $LKMM_DESTDIR/$lkmmout > /dev/null 2>&1 then outcome=`grep -m 1 '^Observation ' $LKMM_DESTDIR/$lkmmout | awk '{ print $3 }'` else outcome=specified fi grep '^Observation' $LKMM_DESTDIR/$litmusout if grep -q '^Observation' $LKMM_DESTDIR/$litmusout then : elif grep ': Unknown macro ' $LKMM_DESTDIR/$litmusout then badname=`grep ': Unknown macro ' $LKMM_DESTDIR/$litmusout | sed -e 's/^.*: Unknown macro //' | sed -e 's/ (User error).*$//'` badmsg=' !!! Current LKMM version does not know "'$badname'"'" $litmus" echo $badmsg if ! grep -q '!!!' $LKMM_DESTDIR/$litmusout then echo ' !!! '$badmsg >> $LKMM_DESTDIR/$litmusout 2>&1 fi exit 254 elif grep '^Command exited with non-zero status 124' $LKMM_DESTDIR/$litmusout then echo ' !!! Timeout' $litmus if ! grep -q '!!!' $LKMM_DESTDIR/$litmusout then echo ' !!! Timeout' >> $LKMM_DESTDIR/$litmusout 2>&1 fi exit 124 else echo ' !!! Verification error' $litmus if ! grep -q '!!!' $LKMM_DESTDIR/$litmusout then echo ' !!! Verification error' >> $LKMM_DESTDIR/$litmusout 2>&1 fi exit 255 fi if test "$outcome" = DEADLOCK then if grep '^Observation' $LKMM_DESTDIR/$litmusout | grep -q 'Never 0 0$' then ret=0 else echo " !!! Unexpected non-$outcome verification" $litmus if ! grep -q '!!!' $LKMM_DESTDIR/$litmusout then echo " !!! Unexpected non-$outcome verification" >> $LKMM_DESTDIR/$litmusout 2>&1 fi ret=1 fi elif grep '^Observation' $LKMM_DESTDIR/$litmusout | grep -q 'Never 0 0$' then echo " !!! Unexpected non-$outcome deadlock" $litmus if ! grep -q '!!!' $LKMM_DESTDIR/$litmusout then echo " !!! Unexpected non-$outcome deadlock" $litmus >> $LKMM_DESTDIR/$litmusout 2>&1 fi ret=1 elif grep '^Observation' $LKMM_DESTDIR/$litmusout | grep -q $outcome || test "$outcome" = Maybe then ret=0 else if test \( -n "$LKMM_HW_MAP_FILE" -a "$outcome" = Sometimes \) -o -n "$datarace_modeled" then flag="--- Forgiven" ret=0 else flag="!!! Unexpected" ret=1 fi echo " $flag non-$outcome verification" $litmus if ! grep -qe "$flag" $LKMM_DESTDIR/$litmusout then echo " $flag non-$outcome verification" >> $LKMM_DESTDIR/$litmusout 2>&1 fi fi tail -2 $LKMM_DESTDIR/$litmusout | head -1 exit $ret
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