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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B8EEC433FE for ; Tue, 30 Nov 2021 08:51:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3366C4B1B6; Tue, 30 Nov 2021 03:51:39 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@redhat.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id acSC-Gpft3Lk; Tue, 30 Nov 2021 03:51:37 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D19EF4B1D2; Tue, 30 Nov 2021 03:51:35 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 422564B0FB for ; Mon, 29 Nov 2021 17:55:41 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GOwnYWLRfUAU for ; Mon, 29 Nov 2021 17:55:40 -0500 (EST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 0AA844B0F1 for ; Mon, 29 Nov 2021 17:55:40 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1638226539; 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=91gZzrlhgmWTQlrjqIVKNYdue6kA0WgX9BjgXgHlzEM=; b=Ky/9AmthoXvdn79NQKi2zC+UMgPFhBTpMobUzPpGPu67JdN69v5wfYHWbkYf1pa51Y4iuG n0Qq1LgEK357ZNdaU1Z3M6rzkdQVt8nL+O35MOVQu69QC/LcKk+HiyqNAdReUP9CqCxIn4 +egf4JldBYy8HMeTHC9a6XwO6sCoxok= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-577-axjhAptPNz-_8ATyvN31yg-1; Mon, 29 Nov 2021 17:55:36 -0500 X-MC-Unique: axjhAptPNz-_8ATyvN31yg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1EB4C190B2A1; Mon, 29 Nov 2021 22:55:32 +0000 (UTC) Received: from starship (unknown [10.40.192.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0EDF745D60; Mon, 29 Nov 2021 22:55:18 +0000 (UTC) Message-ID: Subject: Re: [PATCH v2 11/43] KVM: Don't block+unblock when halt-polling is successful From: Maxim Levitsky To: Paolo Bonzini , Sean Christopherson Date: Tue, 30 Nov 2021 00:55:17 +0200 In-Reply-To: References: <20211009021236.4122790-1-seanjc@google.com> <20211009021236.4122790-12-seanjc@google.com> <4e883728e3e5201a94eb46b56315afca5e95ad9c.camel@redhat.com> User-Agent: Evolution 3.36.5 (3.36.5-2.fc32) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mailman-Approved-At: Tue, 30 Nov 2021 03:51:34 -0500 Cc: Cornelia Huck , Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , linux-kernel@vger.kernel.org, Paul Mackerras , Atish Patra , linux-riscv@lists.infradead.org, Claudio Imbrenda , kvmarm@lists.cs.columbia.edu, Janosch Frank , Marc Zyngier , Joerg Roedel , Huacai Chen , Christian Borntraeger , Aleksandar Markovic , Albert Ou , kvm-ppc@vger.kernel.org, Paul Walmsley , David Matlack , linux-arm-kernel@lists.infradead.org, Jim Mattson , Anup Patel , linux-mips@vger.kernel.org, Palmer Dabbelt , kvm-riscv@lists.infradead.org, Vitaly Kuznetsov X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Mon, 2021-11-29 at 18:55 +0100, Paolo Bonzini wrote: > 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 > Yes. Best regards, Maxim Levitsky _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm