From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SB6X5S1s" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85285BD for ; Mon, 11 Dec 2023 08:54:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702313642; 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=0TaQIjCMRtqoHv9s+WpKU6yUC9m6qOxRLwTnSkQyVwE=; b=SB6X5S1skqHpMNLMJ2h3ZlCJvj6aYXWrCinhkYPfPoAod+dTkigTREAQwGL7ASo8ypRfrU azqK4/fM3KC3Rj5SLqFSXcfzI0T9eGjU35rhymupnPZJXpzJVig7JpAkYdI4djTEAifHCq g5eMAXvWmIvmQ57Xn4jP2Xgib/DG3Jo= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-206-rJqAq6peMi2PLhaMBl3Pgg-1; Mon, 11 Dec 2023 11:54:01 -0500 X-MC-Unique: rJqAq6peMi2PLhaMBl3Pgg-1 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-3334286b720so4154923f8f.1 for ; Mon, 11 Dec 2023 08:54:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702313640; x=1702918440; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=0TaQIjCMRtqoHv9s+WpKU6yUC9m6qOxRLwTnSkQyVwE=; b=tFQINKBvYBWmENMKEyME6g3b8DQ1ksrNSfMcsNqo/9jVM7hxhoqdRttms7EC0cx+py 0XDcw0rH5kjZduqUmHyGetAUsoSQY8u5e04XegPMlOpCVAaFq7VQbYItu7EE9mZNFiV5 5tKnTy/GKyck7TnCR8DcqeNJuhJHsCiyOo6oWXvUuuvZRa0uY0DZqy6Zki0kGb/nmU+R 2ej4d+Q72O5LT18k4omYhJ0n18lPjbHDCN7odZ++EtQhvwxdTXMeqhZEA5howY+3YVpQ yJpL7MZHVItJ9UyHsirQtexl0+NUgRIcFpiUfYpH2J8te9ZQHELlD175kgmYZU8Wtlp4 ySAw== X-Gm-Message-State: AOJu0YxcuGotgPTfgb20XvLnSshTjoU6aHAIoGFnv2GmzHryLY2wUsoL wDN1SAOKF0N9dshzXMz/aXIKqeQphox//+vZQ/fOe6PWI9JOQ9og6pdGGGO+srWb8mKgJYHUnJT KtIMCYoi+QSFcNEyP X-Received: by 2002:a05:600c:450e:b0:40b:5f03:b3c8 with SMTP id t14-20020a05600c450e00b0040b5f03b3c8mr1125890wmo.234.1702313640094; Mon, 11 Dec 2023 08:54:00 -0800 (PST) X-Google-Smtp-Source: AGHT+IFtiBxrV84vG/3P94lY/VLzXMvM+oAghyKtAHVVBITjmPRXIgn0MXg5y1PSG2jZcwLid9jfxg== X-Received: by 2002:a05:600c:450e:b0:40b:5f03:b3c8 with SMTP id t14-20020a05600c450e00b0040b5f03b3c8mr1125883wmo.234.1702313639719; Mon, 11 Dec 2023 08:53:59 -0800 (PST) Received: from redhat.com ([2a06:c701:73ff:4f00:b091:120e:5537:ac67]) by smtp.gmail.com with ESMTPSA id k17-20020adfe8d1000000b00332fa6cc8acsm8943445wrn.87.2023.12.11.08.53.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Dec 2023 08:53:58 -0800 (PST) Date: Mon, 11 Dec 2023 11:53:56 -0500 From: "Michael S. Tsirkin" To: Jason Wang Cc: Tobias Huschle , Abel Wu , Peter Zijlstra , Linux Kernel , kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org Subject: Re: Re: Re: EEVDF/vhost regression (bisected to 86bfbb7ce4f6 sched/fair: Add lag based placement) Message-ID: <20231211115329-mutt-send-email-mst@kernel.org> References: <20231122100016.GO8262@noisy.programming.kicks-ass.net> <6564a012.c80a0220.adb78.f0e4SMTPIN_ADDED_BROKEN@mx.google.com> <07513.123120701265800278@us-mta-474.us.mimecast.lan> <20231207014626-mutt-send-email-mst@kernel.org> <56082.123120804242300177@us-mta-137.us.mimecast.lan> <20231208052150-mutt-send-email-mst@kernel.org> <53044.123120806415900549@us-mta-342.us.mimecast.lan> <20231209053443-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Dec 11, 2023 at 03:26:46PM +0800, Jason Wang wrote: > > Try reducing the VHOST_NET_WEIGHT limit and see if that improves things any? > > Or a dirty hack like cond_resched() in translate_desc(). what do you mean, exactly? -- MST