Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261272AbVBFSfh (ORCPT ); Sun, 6 Feb 2005 13:35:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261267AbVBFSfh (ORCPT ); Sun, 6 Feb 2005 13:35:37 -0500 Received: from gprs215-170.eurotel.cz ([160.218.215.170]:13034 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261272AbVBFSfI (ORCPT ); Sun, 6 Feb 2005 13:35:08 -0500 Date: Sun, 6 Feb 2005 19:34:30 +0100 From: Pavel Machek To: Tony Lindgren Cc: Benjamin Herrenschmidt , Arjan van de Ven , Martin Schwidefsky , Andrea Arcangeli , George Anzinger , Thomas Gleixner , john stultz , Zwane Mwaikambo , Lee Revell , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Dynamic tick, version 050127-1 Message-ID: <20050206183430.GB1139@elf.ucw.cz> References: <20050201230357.GH14274@atomide.com> <20050202141105.GA1316@elf.ucw.cz> <20050203030359.GL13984@atomide.com> <20050203105647.GA1369@elf.ucw.cz> <20050203164331.GE14325@atomide.com> <20050204051929.GO14325@atomide.com> <20050205230017.GA1070@elf.ucw.cz> <20050206023344.GA15853@atomide.com> <20050206081137.GA994@elf.ucw.cz> <20050206171041.GC13936@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050206171041.GC13936@atomide.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1447 Lines: 36 Hi! > > > > Ok, works slightly better: time no longer runs 2x too fast. When TSC > > > > is used, I get same behaviour as before ("sleepy machine"). With > > > > "notsc", machine seems to work okay, but I still get 1000 timer > > > > interrupts a second. > > > > > > Sounds like dyn-tick did not get enabled then, maybe you don't have > > > CONFIG_X86_PM_TIMER, or don't have ACPI PM timer on your board? > > > > I do have CONFIG_X86_PM_TIMER enabled, but it seems by board does not > > have such piece of hardware: > > > > pavel@amd:/usr/src/linux-mm$ dmesg | grep -i "time\|tick\|apic" > > PCI: Setting latency timer of device 0000:00:11.5 to 64 > > pavel@amd:/usr/src/linux-mm$ > > > > [Strange, I should see some messages about apic, no?] > > Yeah, looks like you don't have a local APIC then? Let me test the > patch here with just PIT timer only. > > It also looks like you don't have TSC either? Or do you still have > notsc cmdline option? It definitely does have TSC, it is athlon64. It was probably disabled in this particular run. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/