From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8622AA00B8; Sun, 27 Oct 2019 19:35:27 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 00CAF1BF07; Sun, 27 Oct 2019 19:35:25 +0100 (CET) Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) by dpdk.org (Postfix) with ESMTP id CBDDD1BF06 for ; Sun, 27 Oct 2019 19:35:24 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id B3FAB5A1; Sun, 27 Oct 2019 14:35:23 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Sun, 27 Oct 2019 14:35:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding:content-type; s=mesmtp; bh=qI+yjrnLBUJKDizQPxxDEH97IuS9V+r6Gd3WzYoCnYE=; b=KiUDuaiyKi13 RHR1A7PWnmCd9rKkEDN05yK742EF9AfVDpoVJIZMHAffKFB5YfrH22u7l8imc0gY 6eBAZyPygq0M0k5dLwCgLZ+vWdkUt0DCNbN/UHdH5i5jMKfffOMEhOeareFevA3d fIubvLZvqJ5i9fZMqbwOky1CXAcbwpc= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=qI+yjrnLBUJKDizQPxxDEH97IuS9V+r6Gd3WzYoCn YE=; b=e3bXLMsvnVLkoxQeh0UtXb+w7UBb3yfXvxg1HD60k01QniVhIyLoL7RGX X+2MrBQoFVdB13nPZUXZ/e5AjUNgj3PK3LxZX+zXKxVPWKsfBDaigzVYuNhaHB2D 6pghdfcAUnK75TsFglU2bG8flsoJqFVPFfO6w3auz/w5CW2jlFrNl9D0YZsOP5PM HiEPZq9DUq4Vzzz5AQtIT3p+srgjQU4Oc5r30JsFyq7HSV20HgLurNSgMQwccgZY 4OD8Ch5p2FNASwYOEdDqZiwZG83L563DZcINPd+N60HRvYmpLAZ4xCRpgsJeonzQ K/UDQzpYRAqBApvcFU+UORlZb/Ypw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedrleejgdduudekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkfgjfhgggfgtsehtufertddttddvnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecukf hppeejjedrudefgedrvddtfedrudekgeenucfrrghrrghmpehmrghilhhfrhhomhepthhh ohhmrghssehmohhnjhgrlhhonhdrnhgvthenucevlhhushhtvghrufhiiigvpedu X-ME-Proxy: Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 73C4F80060; Sun, 27 Oct 2019 14:35:22 -0400 (EDT) From: Thomas Monjalon To: "Burakov, Anatoly" , David Hunt Cc: dev@dpdk.org Date: Sun, 27 Oct 2019 19:35:21 +0100 Message-ID: <1655765.anAStuQWUM@xps> In-Reply-To: <5316435.KtOK4V2HBz@xps> References: <20190724131803.30066-1-david.hunt@intel.com> <5316435.KtOK4V2HBz@xps> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v1] examples/power: fix oob frequency oscillations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 06/08/2019 13:18, Thomas Monjalon: > 26/07/2019 12:15, Burakov, Anatoly: > > So it's biased towards scaling up quickly, but it's doing that over a > > period. Please correct me if i'm wrong as i'm not really familiar with > > this codebase, but, assuming the window size is long enough, you could > > be missing opportunities to scale down? For example, if you get a short > > burst of 1's followed by a long burst of zeroes, you're not scaling down > > until you go through the entire buffer and overwrite all of the values. > > I guess that's the point of oscillation prevention, but maybe you could > > improve the "scale-up" part by only checking a few recent values, rather > > than the entire buffer? > > This patch is deferred to 19.11. Any news for this patch?