From owner-freebsd-arch@FreeBSD.ORG Tue Nov 14 08:40:40 2006 Return-Path: X-Original-To: arch@freebsd.org Delivered-To: freebsd-arch@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 236A616A407 for ; Tue, 14 Nov 2006 08:40:40 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.FreeBSD.org (Postfix) with ESMTP id B48E943D46 for ; Tue, 14 Nov 2006 08:40:39 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (critter.freebsd.dk [192.168.48.2]) by phk.freebsd.dk (Postfix) with ESMTP id 556D9170C8; Tue, 14 Nov 2006 08:40:38 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.8/8.13.8) with ESMTP id kAE8ebYT009675; Tue, 14 Nov 2006 08:40:38 GMT (envelope-from phk@critter.freebsd.dk) To: Luigi Rizzo From: "Poul-Henning Kamp" In-Reply-To: Your message of "Mon, 13 Nov 2006 23:43:05 PST." <20061113234305.A34147@xorpc.icir.org> Date: Tue, 14 Nov 2006 08:40:37 +0000 Message-ID: <9674.1163493637@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: arch@freebsd.org Subject: Re: a proposed callout API X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Nov 2006 08:40:40 -0000 In message <20061113234305.A34147@xorpc.icir.org>, Luigi Rizzo writes: >To make a proper evaluation i would need some idea of the number >and distribution of scheduled events on a busy box [...] So do I. What is important right now however, is the API. The implementation behind it we can change every week if we want, but the API affects far too many kernel files to get it wrong. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.