From patchwork Fri Jan 24 14:15:26 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13949512 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 C33AFC0218B for ; Fri, 24 Jan 2025 14:17:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tbKTX-0002y4-HY; Fri, 24 Jan 2025 09:15:59 -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 1tbKTV-0002vh-Gf for qemu-devel@nongnu.org; Fri, 24 Jan 2025 09:15:57 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tbKTT-0001E7-Jy for qemu-devel@nongnu.org; Fri, 24 Jan 2025 09:15:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1737728153; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aAYwAgX4GuiYEsrkcRmF7pRIVQDIJhG5JIGtUZRITbE=; b=GtwZYlCHOhVLQs0vDKMKMNAzjnI9fD/ZnvU/8tydDfZIzjcxwR/wH2it+3+krelU+WZ9mM DePG3wVZ3eS0S4EkoNKIFXeiPt7ii8zAAaZcFR2m+Px5Lrqw4bll75ePDeIVbQexv0P42s P1YF7/Y6W1T8nxkv2FSMJiDNIHsJ42s= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-211-xogSWHSaOhiUgLyPHu-Omw-1; Fri, 24 Jan 2025 09:15:46 -0500 X-MC-Unique: xogSWHSaOhiUgLyPHu-Omw-1 X-Mimecast-MFC-AGG-ID: xogSWHSaOhiUgLyPHu-Omw Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9D28C195608F; Fri, 24 Jan 2025 14:15:44 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.193.187]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 2450919560A7; Fri, 24 Jan 2025 14:15:40 +0000 (UTC) From: Thomas Huth To: Pavel Dovgalyuk , Paolo Bonzini , Aurelien Jarno , 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?= Subject: [PATCH 2/5] tests/functional: Add the ReplayKernelBase class Date: Fri, 24 Jan 2025 15:15:26 +0100 Message-ID: <20250124141529.1626877-3-thuth@redhat.com> In-Reply-To: <20250124141529.1626877-1-thuth@redhat.com> References: <20250124141529.1626877-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, 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_H5=0.001, RCVD_IN_MSPIKE_WL=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. Signed-off-by: Thomas Huth Reviewed-by: Daniel P. Berrangé --- tests/functional/replay_kernel.py | 84 +++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 tests/functional/replay_kernel.py 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))