From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4B95C433FF for ; Thu, 1 Aug 2019 22:22:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9002D20657 for ; Thu, 1 Aug 2019 22:22:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389669AbfHAWWM (ORCPT ); Thu, 1 Aug 2019 18:22:12 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:7862 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389526AbfHAWVP (ORCPT ); Thu, 1 Aug 2019 18:21:15 -0400 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x71MHbcV174555; Thu, 1 Aug 2019 18:21:00 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 2u460edvr7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2019 18:21:00 -0400 Received: from m0098416.ppops.net (m0098416.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.27/8.16.0.27) with SMTP id x71MIJSR176864; Thu, 1 Aug 2019 18:21:00 -0400 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0b-001b2d01.pphosted.com with ESMTP id 2u460edvq7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2019 18:21:00 -0400 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x71MJkhx004781; Thu, 1 Aug 2019 22:20:59 GMT Received: from b01cxnp22034.gho.pok.ibm.com (b01cxnp22034.gho.pok.ibm.com [9.57.198.24]) by ppma03dal.us.ibm.com with ESMTP id 2u0e8792ct-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Aug 2019 22:20:59 +0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x71MKwI020382080 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 1 Aug 2019 22:20:58 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2EC36B2077; Thu, 1 Aug 2019 22:20:58 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1B5D9B207A; Thu, 1 Aug 2019 22:20:58 +0000 (GMT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.154]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 1 Aug 2019 22:20:58 +0000 (GMT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 0FDD516C9A61; Thu, 1 Aug 2019 15:20:59 -0700 (PDT) From: "Paul E. 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@kernel.org, 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 RFC memory-model 27/31] tools/memory-model: Add data-race capabilities to judgelitmus.sh Date: Thu, 1 Aug 2019 15:20:52 -0700 Message-Id: <20190801222056.12144-27-paulmck@linux.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190801222026.GA11315@linux.ibm.com> References: <20190801222026.GA11315@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-01_09:,, 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=787 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908010234 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit adds functionality to judgelitmus.sh to allow it to handle both the "DATARACE" markers in the "Result:" comments in litmus tests and the "Flag data-race" markers in LKMM output. For C-language tests, if either marker is present, the other must also be as well, at least for litmus tests having a "Result:" comment. If the LKMM output indicates a data race, then failures of the Always/Sometimes/Never portion of the "Result:" prediction are forgiven. Signed-off-by: Paul E. McKenney --- tools/memory-model/scripts/judgelitmus.sh | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/tools/memory-model/scripts/judgelitmus.sh b/tools/memory-model/scripts/judgelitmus.sh index ca9a19829d79..eaa2cc7d3b36 100755 --- a/tools/memory-model/scripts/judgelitmus.sh +++ b/tools/memory-model/scripts/judgelitmus.sh @@ -47,9 +47,27 @@ else echo ' --- ' error: \"$LKMM_DESTDIR/$litmusout is not a readable file exit 255 fi +if grep -q '^Flag data-race$' "$LKMM_DESTDIR/$litmusout" +then + datarace_modeled=1 +fi if grep -q '^ \* Result: ' $litmus then outcome=`grep -m 1 '^ \* Result: ' $litmus | awk '{ print $3 }'` + if grep -m1 '^ \* Result: .* DATARACE' $litmus + then + datarace_predicted=1 + fi + if test -n "$datarace_predicted" -a -z "$datarace_modeled" -a -z "$LKMM_HW_MAP_FILE" + then + echo '!!! Predicted data race not modeled' $litmus + exit 252 + elif test -z "$datarace_predicted" -a -n "$datarace_modeled" + then + # Note that hardware models currently don't model data races + echo '!!! Unexpected data race modeled' $litmus + exit 253 + fi elif test -n "$LKMM_HW_MAP_FILE" && grep -q '^Observation' $LKMM_DESTDIR/$lkmmout > /dev/null 2>&1 then outcome=`grep -m 1 '^Observation ' $LKMM_DESTDIR/$lkmmout | awk '{ print $3 }'` @@ -114,7 +132,7 @@ elif grep '^Observation' $LKMM_DESTDIR/$litmusout | grep -q $outcome || test "$o then ret=0 else - if test -n "$LKMM_HW_MAP_FILE" -a "$outcome" = Sometimes + if test \( -n "$LKMM_HW_MAP_FILE" -a "$outcome" = Sometimes \) -o -n "$datarace_modeled" then flag="--- Forgiven" ret=0 -- 2.17.1