From nobody Tue Nov 25 13:53:47 2025 X-Original-To: freebsd-virtualization@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dG40v1spNz6JBN5 for ; Tue, 25 Nov 2025 13:53:51 +0000 (UTC) (envelope-from void@f-m.fm) Received: from fout-a8-smtp.messagingengine.com (fout-a8-smtp.messagingengine.com [103.168.172.151]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4dG40t4R6Sz3MgG for ; Tue, 25 Nov 2025 13:53:50 +0000 (UTC) (envelope-from void@f-m.fm) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=f-m.fm header.s=fm3 header.b=jximmNSn; dkim=pass header.d=messagingengine.com header.s=fm3 header.b=PC+zK5hU; dmarc=pass (policy=none) header.from=f-m.fm; spf=pass (mx1.freebsd.org: domain of void@f-m.fm designates 103.168.172.151 as permitted sender) smtp.mailfrom=void@f-m.fm Received: from phl-compute-06.internal (phl-compute-06.internal [10.202.2.46]) by mailfout.phl.internal (Postfix) with ESMTP id C5D64EC036C for ; Tue, 25 Nov 2025 08:53:49 -0500 (EST) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-06.internal (MEProxy); Tue, 25 Nov 2025 08:53:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=f-m.fm; h=cc :content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm3; t=1764078829; x=1764165229; bh=dwGTihDcq6 DnL2aLFDq6mcVrUqltSH8/odx5R/W9iic=; b=jximmNSnQ0NfGFC73bn/hvFfRS 0ln8mPQtud39z4SbYveTeBVbxxtiG9Ih9LoezchWvaclw/ojUbvGONlXKDmoPyH0 GpuhahL+RtY69FMYndt1tzsOwYPweMPytliv/9wtzkDonEILer0nuaumT7OBtCKN Bikt+THl0m4He41FcAGWKwj1OMOAFeUXBK5QiFnV8D8nA3ieFjLXgDYNM0p3IjCK Wp32un1syWHeWwKdOzYP3xWtWkCh/c5SLlSTyQ/lFVXPEpuqZubwz1npa2RwtAKg Tde2eKQSF1lZL/g4HkboLx7oMRUyxRpcALVZ/3R7fl3M5FisJqw+MFsrZ+fw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1764078829; x=1764165229; bh=dwGTihDcq6DnL2aLFDq6mcVrUqltSH8/odx 5R/W9iic=; b=PC+zK5hU23yfdF4Xbf5kHnzFuQjMmFWZFXolaSETx2b0JADD8jF EDtncB2c1DfWSgFZGH7vdm4gV9OE4uWgc0sZaiUS2Yl2leyuSY+EC/zuKOqKY7IY FJ1pJWPKjBZOccajVya+gshDVMbK/jSNtN+B/0X9HFhCsg6v3CljLBuCIOMKP3E5 STDBdj6U+anqWGz9HvBE9HoWcara4XTL4XAvLuZNfF9SUJg6AE8qqPcuQ03pzzQw sOMBkJoi1WSfK8+SRNU6TJ7utp6WdoFVHSZhG4rPAhttKCM0Nlk+gpUg/bl3cebK o8ZZa1dlxqcNIiPXTxDALYPMWe/ey/mSMMw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdeggddvgeduieegucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucenucfjughrpeffhffvuffkfhggtggujgesthdtredttd dtvdenucfhrhhomhepvhhoihguuceovhhoihgusehfqdhmrdhfmheqnecuggftrfgrthht vghrnhepkeeluddvlefhieelfefggffhffektdehleelgfdugfdvgeekjeejuddtheehgf eunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepvhho ihgusehfqdhmrdhfmhdpnhgspghrtghpthhtohepuddpmhhouggvpehsmhhtphhouhhtpd hrtghpthhtohepfhhrvggvsghsugdqvhhirhhtuhgrlhhiiigrthhiohhnsehfrhgvvggs shgurdhorhhg X-ME-Proxy: Feedback-ID: i2541463c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA for ; Tue, 25 Nov 2025 08:53:49 -0500 (EST) Date: Tue, 25 Nov 2025 13:53:47 +0000 From: void To: freebsd-virtualization@freebsd.org Subject: Re: pinning cores Message-ID: Mail-Followup-To: freebsd-virtualization@freebsd.org References: List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.36 / 15.00]; NEURAL_HAM_SHORT(-0.99)[-0.986]; NEURAL_HAM_LONG(-0.96)[-0.964]; NEURAL_HAM_MEDIUM(-0.81)[-0.812]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; MID_RHS_NOT_FQDN(0.50)[]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; R_SPF_ALLOW(-0.20)[+ip4:103.168.172.128/27:c]; RCVD_IN_DNSWL_LOW(-0.10)[103.168.172.151:from]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_FROM(0.00)[f-m.fm]; RCVD_TLS_LAST(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_THREE(0.00)[3]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[freebsd-virtualization@freebsd.org]; MISSING_XM_UA(0.00)[]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim] X-Rspamd-Queue-Id: 4dG40t4R6Sz3MgG Hi, thanks for replying On Mon, Nov 24, 2025 at 04:18:43PM +1100, Jason Tubnor wrote: >Say if you want to pin virtual core 0 to physical core 3 and virtual >core 1 to physical core 5 (2vCPU guest), you would add the following >option: > >-p 0:3 -p 1:5 ok. Am not using vm-bhyve, just running a script directly. What's threw me a bit and is part of the reason I'm asking about this here is the man page for bhyve has this for -p -p vcpu:hostcpu but there's nothing for package. On my system, there's 2x "packages" if I'm reading correctly - CPU0 & CPU1. The system has CPU E5-2690 v2 @ 3.00GHz x2 (hw.ncpu=20 in total - 10 on each CPU) and because SHT is off hw.vmm.maxcpu: 20 If i set a vm to use -p 0:0 -p 1:10, then will it use the first core on the first physical package CPU0 and the first core on the second physical package CPU1, if I understand correctly? --