From patchwork Tue Jan 28 15:28:36 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13952641 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 852CEC0218A for ; Tue, 28 Jan 2025 15:30:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tcnWd-0002LZ-Rg; Tue, 28 Jan 2025 10:29:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tcnWc-0002L9-B2 for qemu-devel@nongnu.org; Tue, 28 Jan 2025 10:29:14 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tcnWa-0004wR-Ns for qemu-devel@nongnu.org; Tue, 28 Jan 2025 10:29:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1738078152; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mAQDM6qHfX2kRPn8z9DWXC7M3EqrDePFHHJ6Wk42zM4=; b=Ccq2h9qvb9hIUM71TCUTd2zdKZi5hrYb0NpOgBAa7tQjR6dFijTor1ijbt9PybKc1n44pX HDGuJGyBLsmXgTUwEy96ugCd4ciqeFMLGrwtbWvNd9oAEYkbbv+lbduEFj2wGEVe0kSV87 S3t3dT7S1TnHtZggyAwijYxHhijwghw= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-540-b9ownlZcMQK_Ioet83deuw-1; Tue, 28 Jan 2025 10:29:03 -0500 X-MC-Unique: b9ownlZcMQK_Ioet83deuw-1 X-Mimecast-MFC-AGG-ID: b9ownlZcMQK_Ioet83deuw Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8E4B21802ABD; Tue, 28 Jan 2025 15:28:55 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.195.33]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 77E2D18088AA; Tue, 28 Jan 2025 15:28:51 +0000 (UTC) From: Thomas Huth To: Pavel Dovgalyuk , Paolo Bonzini , Jiaxun Yang , qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?D?= =?utf-8?q?aniel_P=2E_Berrang=C3=A9?= , Hao Wu , Tyrone Ting , Leif Lindholm , Radoslaw Biernacki , Peter Maydell Subject: [PATCH v2 2/5] tests/functional: Add the ReplayKernelBase class Date: Tue, 28 Jan 2025 16:28:36 +0100 Message-ID: <20250128152839.184599-3-thuth@redhat.com> In-Reply-To: <20250128152839.184599-1-thuth@redhat.com> References: <20250128152839.184599-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.3, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Copy the ReplayKernelBase class from the avocado tests. We are going to need it to convert the related replay tests in the following patches. Reviewed-by: Daniel P. Berrangé Signed-off-by: Thomas Huth --- MAINTAINERS | 1 + tests/functional/replay_kernel.py | 84 +++++++++++++++++++++++++++++++ 2 files changed, 85 insertions(+) create mode 100644 tests/functional/replay_kernel.py diff --git a/MAINTAINERS b/MAINTAINERS index 7b4d84bf5f..414b6f35fe 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3632,6 +3632,7 @@ F: stubs/replay.c F: tests/avocado/replay_kernel.py F: tests/avocado/replay_linux.py F: tests/avocado/reverse_debugging.py +F: tests/functional/*replay*.py F: qapi/replay.json IOVA Tree diff --git a/tests/functional/replay_kernel.py b/tests/functional/replay_kernel.py new file mode 100644 index 0000000000..8e8ac7d052 --- /dev/null +++ b/tests/functional/replay_kernel.py @@ -0,0 +1,84 @@ +# Record/replay test that boots a Linux kernel +# +# Copyright (c) 2020 ISP RAS +# +# Author: +# Pavel Dovgalyuk +# +# This work is licensed under the terms of the GNU GPL, version 2 or +# later. See the COPYING file in the top-level directory. + +import os +import logging +import time +import subprocess + +from qemu_test.linuxkernel import LinuxKernelTest + +class ReplayKernelBase(LinuxKernelTest): + """ + Boots a Linux kernel in record mode and checks that the console + is operational and the kernel command line is properly passed + from QEMU to the kernel. + Then replays the same scenario and verifies, that QEMU correctly + terminates. + """ + + timeout = 180 + REPLAY_KERNEL_COMMAND_LINE = 'printk.time=1 panic=-1 ' + + def run_vm(self, kernel_path, kernel_command_line, console_pattern, + record, shift, args, replay_path): + # icount requires TCG to be available + self.require_accelerator('tcg') + + logger = logging.getLogger('replay') + start_time = time.time() + vm = self.get_vm() + vm.set_console() + if record: + logger.info('recording the execution...') + mode = 'record' + else: + logger.info('replaying the execution...') + mode = 'replay' + vm.add_args('-icount', 'shift=%s,rr=%s,rrfile=%s' % + (shift, mode, replay_path), + '-kernel', kernel_path, + '-append', kernel_command_line, + '-net', 'none', + '-no-reboot') + if args: + vm.add_args(*args) + vm.launch() + self.wait_for_console_pattern(console_pattern, vm) + if record: + vm.shutdown() + logger.info('finished the recording with log size %s bytes' + % os.path.getsize(replay_path)) + self.run_replay_dump(replay_path) + logger.info('successfully tested replay-dump.py') + else: + vm.wait() + logger.info('successfully finished the replay') + elapsed = time.time() - start_time + logger.info('elapsed time %.2f sec' % elapsed) + return elapsed + + def run_replay_dump(self, replay_path): + try: + subprocess.check_call(["./scripts/replay-dump.py", + "-f", replay_path], + stdout=subprocess.DEVNULL) + except subprocess.CalledProcessError: + self.fail('replay-dump.py failed') + + def run_rr(self, kernel_path, kernel_command_line, console_pattern, + shift=7, args=None): + replay_path = os.path.join(self.workdir, 'replay.bin') + t1 = self.run_vm(kernel_path, kernel_command_line, console_pattern, + True, shift, args, replay_path) + t2 = self.run_vm(kernel_path, kernel_command_line, console_pattern, + False, shift, args, replay_path) + logger = logging.getLogger('replay') + logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))