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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B2B26C433FE for ; Mon, 29 Nov 2021 22:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233142AbhK2WfU (ORCPT ); Mon, 29 Nov 2021 17:35:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233429AbhK2We5 (ORCPT ); Mon, 29 Nov 2021 17:34:57 -0500 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A23AC0D8C9F; Mon, 29 Nov 2021 09:55:23 -0800 (PST) Received: by mail-ed1-x529.google.com with SMTP id y12so75379205eda.12; Mon, 29 Nov 2021 09:55:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=Jo8G3WIFnCXJv/Wl58UbY8LXKhGKq56nydp8ornyGvw=; b=AjLExKPDvZxJIAf93isJIQG5owoNwi20rpmLOoVH2+s0ZWunJFmYMjECqAXAa31ExM qP4APhy58+cgNzSgs7CZp9bi9ZLfh1Um4f0T4CPKtFMqEQtoIPcbCG5ECCW+4/RpN3qP 1k3CIsFPt6dBLkWzV5yOedKG0phAVvwwuaHgAci5hCbOZz8Yy6GMFp/NPR+R+K6sin3x 5VGYrAKTVs66DntrIpjFBpn/bDtGwX2tdoIaZvud6hNaP1K0MD3EhI9p5XlWWUFTNrfc xT0cVpHPnGNOA0p342OPsO0F8T5HlLM3fktULYfIDujE1Zx4qHlH1POPSzpbzwUrncLW GVzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :subject:content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=Jo8G3WIFnCXJv/Wl58UbY8LXKhGKq56nydp8ornyGvw=; b=Y3UxfDcyF0qmMRjjjgfWddyCmOiRu+ZT1p2bTtgeMAAJkOoiobR8rD9fohvAfJnxS1 Bqec1RGf7kRxXc5TRZ7EJ760OaL8ihF4rOCauHkujCJoJOFICbA0RpeCnkZiMNe2oYaQ DJh1pbsxu+nIpeK4cJqokrJBpDuI4C7yCsEmhWonbfIKXFXI224eCUFnN+K2Acolclgl pbTDiuuGRui6c8p/zvDRJFTYLw9NPIgS2DMTO431tQIeEiYArjJGg1/EkTqmOMHabTtJ amdk25LoWunXBdQFGw+O9iyvhmYHWI22+t227+3KpP/EMbs5OO7s6qprELVMRcv4kwfu IZUg== X-Gm-Message-State: AOAM530fct9t3JvZKws23sziAm7FyIez+WJYIOzco3ea/dOw5/XjniCr W4G0dlTNAWDx4c0PD2RFYS0= X-Google-Smtp-Source: ABdhPJzV0Hp7Xr2kSqyy1FejCYUnhDh4xLCC02qQtKZ+cbHbGKkW71ueP1pw91X6C27D1KEW8+5Gvw== X-Received: by 2002:a17:907:68e:: with SMTP id wn14mr62415481ejb.258.1638208522107; Mon, 29 Nov 2021 09:55:22 -0800 (PST) Received: from ?IPV6:2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e? ([2001:b07:6468:f312:5e2c:eb9a:a8b6:fd3e]) by smtp.googlemail.com with ESMTPSA id og38sm7559529ejc.5.2021.11.29.09.55.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Nov 2021 09:55:21 -0800 (PST) Sender: Paolo Bonzini Message-ID: Date: Mon, 29 Nov 2021 18:55:19 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH v2 11/43] KVM: Don't block+unblock when halt-polling is successful Content-Language: en-US To: Sean Christopherson , Maxim Levitsky Cc: Marc Zyngier , Huacai Chen , Aleksandar Markovic , Paul Mackerras , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , James Morse , Alexandru Elisei , Suzuki K Poulose , Atish Patra , David Hildenbrand , Cornelia Huck , Claudio Imbrenda , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, David Matlack , Oliver Upton , Jing Zhang References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-12-seanjc@google.com> <4e883728e3e5201a94eb46b56315afca5e95ad9c.camel@redhat.com> From: Paolo Bonzini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 11/29/21 18:25, Sean Christopherson wrote: >> If I apply though only the patch series up to this patch, my fedora VM seems >> to work fine, but my windows VM still locks up hard when I run 'LatencyTop' >> in it, which doesn't happen without this patch. > > Buy "run 'LatencyTop' in it", do you mean running something in the Windows guest? > The only search results I can find for LatencyTop are Linux specific. I think it's LatencyMon, https://www.resplendence.com/latencymon. Paolo