From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: Reading battery consumes a lot of CPU Date: Sun, 29 Feb 2004 19:07:20 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040229180720.GC286@elf.ucw.cz> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Jan Rychter Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi! > I've reported this a number of times (using various hardware, in fact) > over the last year or so. Thought I'd resend. Reading battery status is inherently slow, because battery hw is connected over slow bus (i2c) and driven from acpi without interrupts. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click