linux-kernel - [PATCH tip/core/rcu 21/21] tools/memory-model: Make runlitmus.sh check for jingle errors

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Date:   Tue, 26 Mar 2019 16:41:33 -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 21/21] tools/memory-model: Make runlitmus.sh check for jingle errors

It turns out that the jingle7 tool is currently a bit picky about
the litmus tests it is willing to process.  This commit therefore
ensures that jingle7 failures are reported.

Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
 tools/memory-model/scripts/runlitmus.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/memory-model/scripts/runlitmus.sh b/tools/memory-model/scripts/runlitmus.sh
index 482ed7a08951..6a997a6df3ce 100755
--- a/tools/memory-model/scripts/runlitmus.sh
+++ b/tools/memory-model/scripts/runlitmus.sh
@@ -69,6 +69,11 @@ fi
 # Generate the assembly code and run herd on it.
 gen_theme7 -n 10 -map $mapfile -call Linux.call > $themefile
 jingle7 -theme $themefile $litmus > $LKMM_DESTDIR/$hwlitmus 2> $T/$hwlitmusfile.jingle7.out
+if grep -q "Generated 0 tests" $T/$hwlitmusfile.jingle7.out
+then
+	echo ' !!! ' jingle7 failed, no $hwlitmus generated
+	exit 253
+fi
 /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $LKMM_DESTDIR/$hwlitmus > $LKMM_DESTDIR/$hwlitmus.out 2>&1
 
 exit $?
-- 
2.17.1