linux-kernel - [PATCH tip/core/rcu 05/21] tools/memory-model: Make judgelitmus.sh note timeouts

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Message-Id: <20190326234133.24962-5-paulmck@linux.ibm.com>
Date:   Tue, 26 Mar 2019 16:41:17 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        mingo@...nel.org
Cc:     stern@...land.harvard.edu, andrea.parri@...rulasolutions.com,
        will.deacon@....com, peterz@...radead.org, boqun.feng@...il.com,
        npiggin@...il.com, dhowells@...hat.com, j.alglave@....ac.uk,
        luc.maranget@...ia.fr, akiyks@...il.com,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>
Subject: [PATCH tip/core/rcu 05/21] tools/memory-model: Make judgelitmus.sh note timeouts

Currently, judgelitmus.sh treats timeouts (as in the "--timeout" argument)
as "!!! Verification error".  This can be misleading because it is quite
possible that running the test longer would have produced a verification.
This commit therefore changes judgelitmus.sh to check for timeouts and
to report them with "!!! Timeout".

Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
 tools/memory-model/scripts/judgelitmus.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/memory-model/scripts/judgelitmus.sh b/tools/memory-model/scripts/judgelitmus.sh
index 0cc63875e395..d3c313b9a458 100755
--- a/tools/memory-model/scripts/judgelitmus.sh
+++ b/tools/memory-model/scripts/judgelitmus.sh
@@ -42,6 +42,14 @@ grep '^Observation' $LKMM_DESTDIR/$litmus.out
 if grep -q '^Observation' $LKMM_DESTDIR/$litmus.out
 then
 	:
+elif grep '^Command exited with non-zero status 124' $LKMM_DESTDIR/$litmus.out
+then
+	echo ' !!! Timeout' $litmus
+	if ! grep -q '!!!' $LKMM_DESTDIR/$litmus.out
+	then
+		echo ' !!! Timeout' >> $LKMM_DESTDIR/$litmus.out 2>&1
+	fi
+	exit 124
 else
 	echo ' !!! Verification error' $litmus
 	if ! grep -q '!!!' $LKMM_DESTDIR/$litmus.out
-- 
2.17.1