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 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 BA251C433EF for ; Tue, 24 May 2022 12:15:10 +0000 (UTC) Received: from localhost ([::1]:37166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ntTRN-000307-HW for qemu-devel@archiver.kernel.org; Tue, 24 May 2022 08:15:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36558) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntSaT-00039a-Kf for qemu-devel@nongnu.org; Tue, 24 May 2022 07:20:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:58154) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ntSaQ-0007IK-5j for qemu-devel@nongnu.org; Tue, 24 May 2022 07:20:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1653391225; 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: in-reply-to:in-reply-to:references:references; bh=7kmSs86YBqCOYYEUqZ093aw9ZPPGDN2pCHI9PP23QuU=; b=N50D8lBFXWnT017AIktkrEJtrCPhmjiTa9Oj86CTrbJp5DCdTnUUKGvaytk+J/sQzfbsh0 /VrYdA3dk6pjH3Xag8P9jys+ae+T/Nv1tOLPetYb6hwdJ/Hmxnr5JNLNOpNw3h9oJX4nCj ORF2Ly0jQT6uYcVS/kwOBcH/ojlfyJQ= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-130-vsrhYl7wPqWq2Y_IX9HYdA-1; Tue, 24 May 2022 07:20:22 -0400 X-MC-Unique: vsrhYl7wPqWq2Y_IX9HYdA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BA9D6299E76C; Tue, 24 May 2022 11:20:21 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.36.112.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 96ABDC202D1; Tue, 24 May 2022 11:20:21 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 588E921E6906; Tue, 24 May 2022 13:20:20 +0200 (CEST) From: Markus Armbruster To: Paolo Bonzini Cc: qemu-devel@nongnu.org, Mark Kanda Subject: Re: [PATCH 3/8] qmp: add filtering of statistics by target vCPU References: <20220523150509.349412-1-pbonzini@redhat.com> <20220523150722.349700-1-pbonzini@redhat.com> <20220523150722.349700-3-pbonzini@redhat.com> Date: Tue, 24 May 2022 13:20:20 +0200 In-Reply-To: <20220523150722.349700-3-pbonzini@redhat.com> (Paolo Bonzini's message of "Mon, 23 May 2022 17:07:17 +0200") Message-ID: <874k1f18jv.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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" Paolo Bonzini writes: > Introduce a simple filtering of statistics, that allows to retrieve > statistics for a subset of the guest vCPUs. This will be used for > example by the HMP monitor, in order to retrieve the statistics > for the currently selected CPU. > > Example: > { "execute": "query-stats", > "arguments": { > "target": "vcpu", > "vcpus": [ "/machine/unattached/device[2]", > "/machine/unattached/device[4]" ] } } > > Extracted from a patch by Mark Kanda. > > Signed-off-by: Paolo Bonzini Reviewed-by: Markus Armbruster