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McKenney" To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, mingo@kernel.org Cc: stern@rowland.harvard.edu, andrea.parri@amarulasolutions.com, will.deacon@arm.com, peterz@infradead.org, boqun.feng@gmail.com, npiggin@gmail.com, dhowells@redhat.com, j.alglave@ucl.ac.uk, luc.maranget@inria.fr, akiyks@gmail.com, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 07/21] tools/memory-model: Make judgelitmus.sh identify bad macros Date: Tue, 26 Mar 2019 16:41:19 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190326234114.GA23843@linux.ibm.com> References: <20190326234114.GA23843@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19032623-0040-0000-0000-000004D7B079 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010820; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000282; SDB=6.01180142; UDB=6.00606765; IPR=6.00960858; MB=3.00026170; MTD=3.00000008; XFM=3.00000015; UTC=2019-03-26 23:41:39 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19032623-0041-0000-0000-000008E2D1CB Message-Id: <20190326234133.24962-7-paulmck@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-26_15:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903260159 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 b9c174dd8004..ca1ac8b64614 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 d3c313b9a458..d40439c7b71e 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 -- 2.17.1