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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 5ABBDC433E6 for ; Thu, 18 Mar 2021 15:28:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0ABAA64F40 for ; Thu, 18 Mar 2021 15:28:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232052AbhCRP2S (ORCPT ); Thu, 18 Mar 2021 11:28:18 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:47293 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231963AbhCRP1w (ORCPT ); Thu, 18 Mar 2021 11:27:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616081271; 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=fgGNe6pYqF3G1iiSjJIodaSGoLEC/55ejSs288fVPig=; b=Guk+UpfFW9qMXKI+NZqDP554sIh3t+hIfNvDN+mtpYMLu7bCD+gjbaNlZ54vT31I9zE15N i/pDkqmw50ZyTq9mxtl7VAVDuZgq1AhQ3qzkZ5+DYvEgltazJBgO4Syf2o0OkEjp1ZEoLT 0a5KDsxyr079drkYmpADtzbrSeJLp3c= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-261-YA3kZhbcPRqfli4oITVX7w-1; Thu, 18 Mar 2021 11:27:49 -0400 X-MC-Unique: YA3kZhbcPRqfli4oITVX7w-1 Received: by mail-wm1-f70.google.com with SMTP id l16so7329432wmc.0 for ; Thu, 18 Mar 2021 08:27:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=fgGNe6pYqF3G1iiSjJIodaSGoLEC/55ejSs288fVPig=; b=fJjNqx1mp6B5AxJ2b5jegTkP6qaZcDvaFybuIuFAOdYairniJXzU0QSf0t26bxHKwi vifUC0zVJDJQS4WZhIP82N9JP66OOuhqqp21PxL8/BEeQ4wWQj/8c3ZBLDjTu2I21zZw +gQ9wpWYkYwU3+ro5/3tmCR6CCUjnC6B7ZUpUTKLbuik9pTifvgDqySCxAVqvsnmfl8s /Q4H+EcBg3MP0Nb9o89iyOdR1kDQT2Pyxv9UZzK5lpTuzbNr1SMnxiEsjOeH8DgYy3ac md2vkhoIPuDqmctFr6DEmZJQuQabbUI3l3Ll9Wn9pRzTgd2UvBhljd8fQxP5zAjaFDRh vDhQ== X-Gm-Message-State: AOAM531EqRbd+jVQxjeMPLBrimfQVI4+aYM3cpJSvduZpgbU1HJz//9I 7RJyagQfDD6y9p0gkCSNrll+IP+j3d6EEAuoK18VVzz389TlQOycvjajcVqLJ4Y73Zo/1W+rErA tsG4hYUqjLvOW X-Received: by 2002:adf:f908:: with SMTP id b8mr10050007wrr.184.1616081268412; Thu, 18 Mar 2021 08:27:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwMJZdILgqNxmoytUTzhob6gd4zzmT+5qAqlbFrFHwZF1NMt5YH892UM8zQS+6AK7lS4gkCkQ== X-Received: by 2002:adf:f908:: with SMTP id b8mr10049993wrr.184.1616081268215; Thu, 18 Mar 2021 08:27:48 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id w6sm3421740wrl.49.2021.03.18.08.27.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 18 Mar 2021 08:27:47 -0700 (PDT) Subject: Re: [PATCH v2 6/4] selftests: kvm: Add basic Hyper-V clocksources tests To: Vitaly Kuznetsov , kvm@vger.kernel.org Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Marcelo Tosatti References: <20210316143736.964151-1-vkuznets@redhat.com> <20210318140949.1065740-1-vkuznets@redhat.com> From: Paolo Bonzini Message-ID: <71087049-de1e-88f9-9af1-e44e3bf21e96@redhat.com> Date: Thu, 18 Mar 2021 16:27:46 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210318140949.1065740-1-vkuznets@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 18/03/21 15:09, Vitaly Kuznetsov wrote: > + > + /* 1% tolerance */ > + GUEST_ASSERT(delta_ns * 100 < (t2 - t1) * 100); Since I needed to add a printf to understand this one, I have also added a host-side test using KVM_GET_MSR, it doesn't hurt. Paolo