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=-19.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A4761C433E0 for ; Wed, 6 Jan 2021 17:27:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 70D8623123 for ; Wed, 6 Jan 2021 17:27:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727714AbhAFR1J (ORCPT ); Wed, 6 Jan 2021 12:27:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:37046 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726834AbhAFR1I (ORCPT ); Wed, 6 Jan 2021 12:27:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2D34C23139; Wed, 6 Jan 2021 17:26:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609953970; bh=ubUzOi0XP9VmEKsmFjHM+O62jWvi+29MTxhncRfTNcc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EIMVe4m0wPmesFRi6uUQpoVjdnHnHggiLPz+FKWWE9oS2v5iMl1JhU+Ve7w1ju4ev aS7vdMduARNuV3Eh1yYMhezocGtuyXVfyJLqRTQCSqSW+xdnojJ+xw76mDvJkKGll3 FJ4rKI1NGS+/jWMpGBsbKglvdZ2OU6T+1dyK3SqVisja/9VL15UlxF3q65ROHptXtl IY7mGmMJAgilfMjoIA/WAZ/nD3yLpcL4KGb0M2WJ6J+qZPZ9AA7H6zus9NzLSS48ll RHHv+VyCElYyFiDF3/7EzJB0M4viA8KcMJIIVohFyzgcwmf8egu6rUzVxFSWIUZXC+ FosKW2gPUiD4A== From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 05/20] torture: Prepare for splitting qemu execution from kvm-test-1-run.sh Date: Wed, 6 Jan 2021 09:25:52 -0800 Message-Id: <20210106172607.22816-5-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20210106172547.GA22404@paulmck-ThinkPad-P72> References: <20210106172547.GA22404@paulmck-ThinkPad-P72> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" Distributed execution of rcutorture is eased if the qemu execution can be split from the building of the kernel, as this allows target systems to be used that are not set up to build kernels. It also avoids issues with toolchain version skew across the cluster, aside of course from qemu and KVM version skew. This commit therefore records needed data as comments in the qemu-cmd file and moves recording of the starting time to just before qemu is launched. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh index 3cd03d0..4bc0e62 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh @@ -125,7 +125,6 @@ seconds=$4 qemu_args=$5 boot_args=$6 -kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null` if test -z "$TORTURE_BUILDONLY" then echo ' ---' `date`: Starting kernel @@ -158,6 +157,8 @@ then boot_args="$boot_args $TORTURE_BOOT_GDB_ARG" fi echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" $TORTURE_QEMU_GDB_ARG > $resdir/qemu-cmd +echo "# TORTURE_SHUTDOWN_GRACE=$TORTURE_SHUTDOWN_GRACE" >> $resdir/qemu-cmd +echo "# seconds=$seconds" >> $resdir/qemu-cmd if test -n "$TORTURE_BUILDONLY" then @@ -174,6 +175,7 @@ echo 'echo $! > $resdir/qemu_pid' >> $T/qemu-cmd echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log # Attempt to run qemu +kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null` ( . $T/qemu-cmd; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) & commandcompleted=0 if test -z "$TORTURE_KCONFIG_GDB_ARG" -- 2.9.5