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=DKIM_INVALID,DKIM_SIGNED, 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 A580AC433DF for ; Fri, 26 Jun 2020 18:22:21 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7458D20707 for ; Fri, 26 Jun 2020 18:22:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="hRDwUXvV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7458D20707 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39346 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1joszU-0002Hy-Oh for qemu-devel@archiver.kernel.org; Fri, 26 Jun 2020 14:22:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56248) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1josrw-0007d3-Qs for qemu-devel@nongnu.org; Fri, 26 Jun 2020 14:14:32 -0400 Received: from mail-wm1-x343.google.com ([2a00:1450:4864:20::343]:54496) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1josrm-0001KB-Iw for qemu-devel@nongnu.org; Fri, 26 Jun 2020 14:14:32 -0400 Received: by mail-wm1-x343.google.com with SMTP id o8so9637669wmh.4 for ; Fri, 26 Jun 2020 11:14:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=efB7wfcutdBc5W3t5fL1ob0gckNKfFStml2EZYTXVio=; b=hRDwUXvVIWaARXFCCFsx6zabkJvV3F9JCos2bdgxxnogZNLArtzH0z849AR33zvX4f CAxxh0TCuzxEwJ3cA4JWgOwOKK5WyLExZ/TgpvUG/Dl9jhXxaOWNRYYbuIUYd59F4MBC wOqtvBrp1eL3cHNotdYN+if6KstPPD5H+FifU3AfdscPwe9ou2mkeW1AYu8vu04Jdt6l Ve+z7t7BPDdO8kSofZIYOJPUWAKyFIvdcrkfEZukHSqBA/hbePfTCHvY1TbvWuQGWOAR b7602qHC2FbeSmnjqdV48q28mFO1wtmleMX4VAA2rRbIL4tUFtmTU/589i++tDqovxmv Ryzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=efB7wfcutdBc5W3t5fL1ob0gckNKfFStml2EZYTXVio=; b=V5kvFmYpcVRdWH/CzVxtJdL+J7aVt28C0hXbqavNYMInJmp9BZD0qB462nFWV5TsIS /Q8T0x4t7Mp3ZgtcrOl7aF7ajuwuCO2u0HsepwfC2Sv7QQh/9Tfs0HWrw+VcFGwIGY7b 5RbmMwITEYDStKj0fjdIUeOFxji/bYQNjPEFYW+coq9EwFmXBSyih8Ku011AbcnGLdgd 6OdLHkSzHHh9TJVxotyNVpA8UGMQxQJY8KkJXzkmx/OznAcQGzVkBFVB3tUxUBtq7SdM mj1D/m2GagauiVTAiX9iE9tgPbK4oOlHzLKkw+Oxg8bjveGcYtMGeyfAWc+XMGmSXLzv Y5aw== X-Gm-Message-State: AOAM531HqdPhQCN8IUUi51FpXPO7WjS94YpuOymAJ/3r1W0/P0Ghzl0E b6oRLvFpyjemuTbpnBLpOk7Mrw== X-Google-Smtp-Source: ABdhPJwLa+J4WA6bngxodc2EB5uHRUirH/QkEs2MfYSEY5vkCkFMtAw2vLteQOwNpU1C2UlVB5JJ9g== X-Received: by 2002:a1c:98cc:: with SMTP id a195mr4654221wme.89.1593195259961; Fri, 26 Jun 2020 11:14:19 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id m10sm18440235wru.4.2020.06.26.11.14.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2020 11:14:10 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 4AD641FF9B; Fri, 26 Jun 2020 19:14:00 +0100 (BST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Subject: [PATCH v3 13/30] tests/vm: allow us to take advantage of MTTCG Date: Fri, 26 Jun 2020 19:13:40 +0100 Message-Id: <20200626181357.26211-14-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200626181357.26211-1-alex.bennee@linaro.org> References: <20200626181357.26211-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::343; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x343.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, berrange@redhat.com, Robert Foley , =?UTF-8?q?Alex=20Benn=C3=A9e?= , richard.henderson@linaro.org, f4bug@amsat.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , cota@braap.org, aurelien@aurel32.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We currently limit TCG guests to -smp 1 but now we have added some aarch64 guests we can do better when running on x86_64 hardware. Raise the limit for TCG guests when it is safe to do so. Signed-off-by: Alex Bennée Reviewed-by: Robert Foley --- tests/vm/basevm.py | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py index 890bbc5549a..b8c60803e2d 100644 --- a/tests/vm/basevm.py +++ b/tests/vm/basevm.py @@ -553,6 +553,12 @@ def parse_args(vmcls): def get_default_jobs(): if kvm_available(vmcls.arch): return multiprocessing.cpu_count() // 2 + elif os.uname().machine == "x86_64" and \ + vmcls.arch in ["aarch64", "x86_64", "i386"]: + # MTTCG is available on these arches and we can allow more cores. + # But only up to a reasonable limit. User can always override + # these limits with --jobs. + return min(multiprocessing.cpu_count() // 2, 8) else: return 1 -- 2.20.1