linux-kernel - [PATCH RFC memory-model 25/33] tools/memory-model: Add -v flag to jingle7 runs

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Date:   Thu, 30 May 2019 07:42:17 -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 RFC memory-model 25/33] tools/memory-model: Add -v flag to jingle7 runs

Adding the -v flag to jingle7 invocations gives much useful information
on why jingle7 didn't like a given litmus test.  This commit therefore
adds this flag and saves off any such information into a .err file.

Suggested-by: Luc Maranget <luc.maranget@...ia.fr>
Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
 tools/memory-model/scripts/runlitmus.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/memory-model/scripts/runlitmus.sh b/tools/memory-model/scripts/runlitmus.sh
index 5f2d29b460ff..dfdb1f00fcc0 100755
--- a/tools/memory-model/scripts/runlitmus.sh
+++ b/tools/memory-model/scripts/runlitmus.sh
@@ -68,10 +68,11 @@ fi
 
 # Generate the assembly code and run herd7 on it.
 gen_theme7 -n 10 -map $mapfile -call Linux.call > $themefile
-jingle7 -theme $themefile $litmus > $LKMM_DESTDIR/$hwlitmus 2> $T/$hwlitmusfile.jingle7.out
+jingle7 -v -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
+	echo ' !!! ' jingle7 failed, errors in $hwlitmus.err
+	cp $T/$hwlitmusfile.jingle7.out $LKMM_DESTDIR/$hwlitmus.err
 	exit 253
 fi
 /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $LKMM_DESTDIR/$hwlitmus > $LKMM_DESTDIR/$hwlitmus.out 2>&1
-- 
2.17.1