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[66.111.4.227]) by smtp.gmail.com with ESMTPSA id o197-20020a3741ce000000b0073b575f3603sm7878176qka.101.2023.03.20.12.28.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Mar 2023 12:28:22 -0700 (PDT) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailauth.nyi.internal (Postfix) with ESMTP id 63E3B27C0054; Mon, 20 Mar 2023 15:28:21 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Mon, 20 Mar 2023 15:28:21 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrvdefkedguddvgecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvvefukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeeuohhq uhhnucfhvghnghcuoegsohhquhhnrdhfvghnghesghhmrghilhdrtghomheqnecuggftrf grthhtvghrnhephedugfduffffteeutddvheeuveelvdfhleelieevtdeguefhgeeuveei udffiedvnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomh epsghoqhhunhdomhgvshhmthhprghuthhhphgvrhhsohhnrghlihhthidqieelvdeghedt ieegqddujeejkeehheehvddqsghoqhhunhdrfhgvnhhgpeepghhmrghilhdrtghomhesfh higihmvgdrnhgrmhgv X-ME-Proxy: Feedback-ID: iad51458e:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 20 Mar 2023 15:28:20 -0400 (EDT) Date: Mon, 20 Mar 2023 12:28:05 -0700 From: Boqun Feng To: "Paul E. McKenney" Cc: rcu@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Will Deacon , Waiman Long , Lai Jiangshan , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Davidlohr Bueso , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Shuah Khan , David Woodhouse , Paolo Bonzini , kvm@vger.kernel.org, seanjc@google.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH rcu 7/7] rcutorture: Add srcu_lockdep.sh Message-ID: References: <20230317031339.10277-1-boqun.feng@gmail.com> <20230317031339.10277-8-boqun.feng@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Mar 20, 2023 at 12:09:00PM -0700, Paul E. McKenney wrote: > On Mon, Mar 20, 2023 at 11:19:05AM -0700, Boqun Feng wrote: > > Hi Paul, > > > > On Thu, Mar 16, 2023 at 08:13:39PM -0700, Boqun Feng wrote: > > > From: "Paul E. McKenney" > > > > > > This commit adds an srcu_lockdep.sh script that checks whether lockdep > > > correctly classifies SRCU-based, SRCU/mutex-based, and SRCU/rwsem-based > > > deadlocks. > > > > > > Signed-off-by: Paul E. McKenney > > > [ boqun: Fix "RCUTORTURE" with "$RCUTORTURE" ] > > > Signed-off-by: Boqun Feng > > > --- > > > .../selftests/rcutorture/bin/srcu_lockdep.sh | 73 +++++++++++++++++++ > > > 1 file changed, 73 insertions(+) > > > create mode 100755 tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh > > > > > > diff --git a/tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh b/tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh > > > new file mode 100755 > > > index 000000000000..961932754684 > > > --- /dev/null > > > +++ b/tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh > > > > Could you provide the SPDX header and copyright bits for this newly > > added file? For small changes I can do it myself, however this is about > > licenses and copyright, so I need it from you, thanks! > > Good catch, thank you! > > Would you like a delta patch to merge into your existing one, or would > you prefer a replacement patch? Either way works for me. > A delta patch if that's not much trouble. I will fold it into this one. Regards, Boqun > Thanx, Paul > > > Regards, > > Boqun > > > > > @@ -0,0 +1,73 @@ > > > +#!/bin/bash > > > +# > > > +# Run SRCU-lockdep tests and report any that fail to meet expectations. > > > + > > > +usage () { > > > + echo "Usage: $scriptname optional arguments:" > > > + echo " --datestamp string" > > > + exit 1 > > > +} > > > + > > > +ds=`date +%Y.%m.%d-%H.%M.%S`-srcu_lockdep > > > +scriptname="$0" > > > + > > > +T="`mktemp -d ${TMPDIR-/tmp}/srcu_lockdep.sh.XXXXXX`" > > > +trap 'rm -rf $T' 0 > > > + > > > +RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE > > > +PATH=${RCUTORTURE}/bin:$PATH; export PATH > > > +. functions.sh > > > + > > > +while test $# -gt 0 > > > +do > > > + case "$1" in > > > + --datestamp) > > > + checkarg --datestamp "(relative pathname)" "$#" "$2" '^[a-zA-Z0-9._/-]*$' '^--' > > > + ds=$2 > > > + shift > > > + ;; > > > + *) > > > + echo Unknown argument $1 > > > + usage > > > + ;; > > > + esac > > > + shift > > > +done > > > + > > > +err= > > > +nerrs=0 > > > +for d in 0 1 > > > +do > > > + for t in 0 1 2 > > > + do > > > + for c in 1 2 3 > > > + do > > > + err= > > > + val=$((d*1000+t*10+c)) > > > + tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 5s --configs "SRCU-P" --bootargs "rcutorture.test_srcu_lockdep=$val" --trust-make --datestamp "$ds/$val" > "$T/kvm.sh.out" 2>&1 > > > + ret=$? > > > + mv "$T/kvm.sh.out" "$RCUTORTURE/res/$ds/$val" > > > + if test "$d" -ne 0 && test "$ret" -eq 0 > > > + then > > > + err=1 > > > + echo -n Unexpected success for > "$RCUTORTURE/res/$ds/$val/kvm.sh.err" > > > + fi > > > + if test "$d" -eq 0 && test "$ret" -ne 0 > > > + then > > > + err=1 > > > + echo -n Unexpected failure for > "$RCUTORTURE/res/$ds/$val/kvm.sh.err" > > > + fi > > > + if test -n "$err" > > > + then > > > + grep "rcu_torture_init_srcu_lockdep: test_srcu_lockdep = " "$RCUTORTURE/res/$ds/$val/SRCU-P/console.log" | sed -e 's/^.*rcu_torture_init_srcu_lockdep://' >> "$RCUTORTURE/res/$ds/$val/kvm.sh.err" > > > + cat "$RCUTORTURE/res/$ds/$val/kvm.sh.err" > > > + nerrs=$((nerrs+1)) > > > + fi > > > + done > > > + done > > > +done > > > +if test "$nerrs" -ne 0 > > > +then > > > + exit 1 > > > +fi > > > +exit 0 > > > -- > > > 2.39.2 > > >