[PATCH tip/core/rcu 07/32] tools/memory-model: Make judgelitmus.sh identify bad macros

paulmck
2019-10-03T00:28:46Z

Currently, judgelitmus.sh treats use of unknown primitives (such as
srcu_read_lock() prior to SRCU support) as "!!! Verification error".
This can be misleading because it fails to call out typos and running
a version LKMM on a litmus test requiring a feature not provided by
that version. This commit therefore changes judgelitmus.sh to check
for unknown primitives and to report them, for example, with:

'!!! Current LKMM version does not know "rcu_write_lock"'.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
---
tools/memory-model/scripts/cmplitmushist.sh | 31 +++++++++++++++++++++++++----
tools/memory-model/scripts/judgelitmus.sh | 12 +++++++++++
2 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/tools/memory-model/scripts/cmplitmushist.sh b/tools/memory-model/scripts/cmplitmushist.sh
index b9c174d..ca1ac8b 100755
--- a/tools/memory-model/scripts/cmplitmushist.sh
+++ b/tools/memory-model/scripts/cmplitmushist.sh
@@ -12,6 +12,7 @@ trap 'rm -rf $T' 0
mkdir $T

# comparetest oldpath newpath
+badmacnam=0
timedout=0
perfect=0
obsline=0
@@ -19,8 +20,26 @@ noobsline=0
obsresult=0
badcompare=0
comparetest () {
- if grep -q '^Command exited with non-zero status 124' $1 ||
- grep -q '^Command exited with non-zero status 124' $2
+ if grep -q ': Unknown macro ' $1 || grep -q ': Unknown macro ' $2
+ then
+ if grep -q ': Unknown macro ' $1
+ then
+ badname=`grep ': Unknown macro ' $1 |
+ sed -e 's/^.*: Unknown macro //' |
+ sed -e 's/ (User error).*$//'`
+ echo 'Current LKMM version does not know "'$badname'"' $1
+ fi
+ if grep -q ': Unknown macro ' $2
+ then
+ badname=`grep ': Unknown macro ' $2 |
+ sed -e 's/^.*: Unknown macro //' |
+ sed -e 's/ (User error).*$//'`
+ echo 'Current LKMM version does not know "'$badname'"' $2
+ fi
+ badmacnam=`expr "$badmacnam" + 1`
+ return 0
+ elif grep -q '^Command exited with non-zero status 124' $1 ||
+ grep -q '^Command exited with non-zero status 124' $2
then
if grep -q '^Command exited with non-zero status 124' $1 &&
grep -q '^Command exited with non-zero status 124' $2
@@ -56,7 +75,7 @@ comparetest () {
return 0
fi
else
- echo Missing Observation line "(e.g., herd7 timeout)": $2
+ echo Missing Observation line "(e.g., syntax error)": $2
noobsline=`expr "$noobsline" + 1`
return 0
fi
@@ -90,7 +109,7 @@ then
fi
if test "$noobsline" -ne 0
then
- echo Missing Observation line "(e.g., herd7 timeout)": $noobsline 1>&2
+ echo Missing Observation line "(e.g., syntax error)": $noobsline 1>&2
fi
if test "$obsresult" -ne 0
then
@@ -100,6 +119,10 @@ if test "$timedout" -ne 0
then
echo "!!!" Timed out: $timedout 1>&2
fi
+if test "$badmacnam" -ne 0
+then
+ echo "!!!" Unknown primitive: $badmacnam 1>&2
+fi
if test "$badcompare" -ne 0
then
echo "!!!" Result changed: $badcompare 1>&2
diff --git a/tools/memory-model/scripts/judgelitmus.sh b/tools/memory-model/scripts/judgelitmus.sh
index d3c313b..d40439c 100755
--- a/tools/memory-model/scripts/judgelitmus.sh
+++ b/tools/memory-model/scripts/judgelitmus.sh
@@ -42,6 +42,18 @@ grep '^Observation' $LKMM_DESTDIR/$litmus.out
if grep -q '^Observation' $LKMM_DESTDIR/$litmus.out
then
:
+elif grep ': Unknown macro ' $LKMM_DESTDIR/$litmus.out
+then
+ badname=`grep ': Unknown macro ' $LKMM_DESTDIR/$litmus.out |
+ sed -e 's/^.*: Unknown macro //' |
+ sed -e 's/ (User error).*$//'`
+ badmsg=' !!! Current LKMM version does not know "'$badname'"'" $litmus"
+ echo $badmsg
+ if ! grep -q '!!!' $LKMM_DESTDIR/$litmus.out
+ then
+ echo ' !!! '$badmsg >> $LKMM_DESTDIR/$litmus.out 2>&1
+ fi
+ exit 254
elif grep '^Command exited with non-zero status 124' $LKMM_DESTDIR/$litmus.out
then
echo ' !!! Timeout' $litmus
--
2.9.5