Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261997AbVATAOX (ORCPT ); Wed, 19 Jan 2005 19:14:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262002AbVATANK (ORCPT ); Wed, 19 Jan 2005 19:13:10 -0500 Received: from ylpvm29-ext.prodigy.net ([207.115.57.60]:9390 "EHLO ylpvm29.prodigy.net") by vger.kernel.org with ESMTP id S261989AbVATAIg (ORCPT ); Wed, 19 Jan 2005 19:08:36 -0500 Date: Wed, 19 Jan 2005 16:07:56 -0800 From: Tony Lindgren To: Pavel Machek Cc: George Anzinger , john stultz , Andrea Arcangeli , Zwane Mwaikambo , Con Kolivas , Martin Schwidefsky , linux-kernel@vger.kernel.org Subject: Re: [PATCH] dynamic tick patch Message-ID: <20050120000755.GD9975@atomide.com> References: <20050119000556.GB14749@atomide.com> <20050119113642.GA1358@elf.ucw.cz> <20050119171106.GA14545@atomide.com> <20050119220637.GA7513@elf.ucw.cz> <20050119230813.GI14545@atomide.com> <20050119235905.GA1371@elf.ucw.cz> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="lrZ03NoBR/3+SXJZ" Content-Disposition: inline In-Reply-To: <20050119235905.GA1371@elf.ucw.cz> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2161 Lines: 66 --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline * Pavel Machek [050119 15:58]: > Hi! > > > > > Thanks for trying it out. I have quite accurate time here on my > > > > systems, and sleep works as it should. I wonder what's happening on > > > > your system? If you have a chance, could you please post the results > > > > from following simple tests? > > > > > > On patched 2.6.11-rc1: > > > > > > [Heh, clock is two times too fast, perhaps that makes ntpdate fail? -- yes. > > > > > > root@amd:~# dmesg | grep -i time; for i in 1 2 3 4 5; do ntpdate -b tak.cesnet.cz && sleep 10; done ; date && sleep 10 && date; while [ 1 ]; do date; done | uniq > > > PCI: Setting latency timer of device 0000:00:11.5 to 64 > > > dyn-tick: Enabling dynamic tick timer > > > dyn-tick: Timer using dynamic tick > > > > Thanks. Looks like you're running on PIT only, I guess my patch > > currently breaks PIT (and possibly HPET) No dmesg message for " > > "Using XXX for high-res timesource". > > This machine definitely has TSC... What do I have to do in .config to > make it do something interesting? My .config is: I suspect it's the HPET_TIMER, see below. CONFIG_X86_PM_TIMER is optional, otherwise TSC is used. Tony --lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename=patch-config-no-hpet --- config.orig 2005-01-19 16:05:16.000000000 -0800 +++ config 2005-01-19 16:06:07.000000000 -0800 @@ -103,7 +103,7 @@ CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y -CONFIG_HPET_TIMER=y +# CONFIG_HPET_TIMER is not set CONFIG_NO_IDLE_HZ=y # CONFIG_SMP is not set CONFIG_PREEMPT=y @@ -169,7 +169,7 @@ CONFIG_ACPI_POWER=y CONFIG_ACPI_PCI=y CONFIG_ACPI_SYSTEM=y -# CONFIG_X86_PM_TIMER is not set +CONFIG_X86_PM_TIMER=y # CONFIG_ACPI_CONTAINER is not set # --lrZ03NoBR/3+SXJZ-- - 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/