From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: pulseaudio eats 19% CPU power in Fedora 12 Date: Tue, 20 Apr 2010 13:36:07 +0800 Message-ID: References: <20100414075658.GA26283@localhost> <20100419032856.GA13629@tango.0pointer.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pw0-f51.google.com (mail-pw0-f51.google.com [209.85.160.51]) by alsa0.perex.cz (Postfix) with ESMTP id DD21C1037EA for ; Tue, 20 Apr 2010 07:36:08 +0200 (CEST) Received: by pwj8 with SMTP id 8so3517338pwj.38 for ; Mon, 19 Apr 2010 22:36:07 -0700 (PDT) In-Reply-To: <20100419032856.GA13629@tango.0pointer.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org 2010/4/19 Lennart Poettering > > Yes, sure. If you use "pacat" you can play audio with almost zero CPU > usage, because it is one of the few clients that actually asks for > sensible latency (2s), which allows us to minimize the wakeup intervals > to less than a second. > > > Lennart > > Just test it on Fedora 10 CPU usage of pulseuadio is above 3% when using pacat CPU usage of pulseaudio is below 2% when using aplay CPU usage of pulseaudio is below 3% when using paplay the test audio is stereo 44100Hz pcm wav Do you have any figures on Fedora 12 or 13 ?