From: Pavel Machek <pavel@ucw.cz>
To: Tony Lindgren <tony@atomide.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Arjan van de Ven <arjan@infradead.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Andrea Arcangeli <andrea@suse.de>,
George Anzinger <george@mvista.com>,
Thomas Gleixner <tglx@linutronix.de>,
john stultz <johnstul@us.ibm.com>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
Lee Revell <rlrevell@joe-job.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Dynamic tick, version 050127-1
Date: Sun, 6 Feb 2005 09:11:37 +0100 [thread overview]
Message-ID: <20050206081137.GA994@elf.ucw.cz> (raw)
In-Reply-To: <20050206023344.GA15853@atomide.com>
Hi!
> > > Currently the suggested combo is local APIC + ACPI PM timer...
> >
> > 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?]
Pavel
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
next prev parent reply other threads:[~2005-02-06 8:21 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-27 21:29 [PATCH] Dynamic tick, version 050127-1 Tony Lindgren
2005-01-27 21:50 ` Tony Lindgren
2005-02-01 11:00 ` Pavel Machek
2005-02-01 20:40 ` Tony Lindgren
2005-02-01 21:25 ` Pavel Machek
2005-02-01 23:03 ` Tony Lindgren
2005-02-02 13:50 ` Pavel Machek
2005-02-02 13:50 ` Pavel Machek
2005-02-02 13:56 ` Pavel Machek
2005-02-02 14:11 ` Pavel Machek
2005-02-03 3:04 ` Tony Lindgren
2005-02-03 10:56 ` Pavel Machek
2005-02-03 16:43 ` Tony Lindgren
2005-02-04 5:19 ` Tony Lindgren
2005-02-04 6:33 ` Zwane Mwaikambo
2005-02-04 17:18 ` Tony Lindgren
2005-02-04 17:31 ` Zwane Mwaikambo
2005-02-04 17:42 ` Tony Lindgren
2005-02-04 17:54 ` Zwane Mwaikambo
2005-02-04 18:58 ` Tony Lindgren
2005-02-04 19:24 ` Tony Lindgren
2005-02-05 23:00 ` Pavel Machek
2005-02-06 2:33 ` Tony Lindgren
2005-02-06 3:54 ` Tony Lindgren
2005-02-06 8:41 ` Pavel Machek
2005-02-06 8:50 ` Pavel Machek
2005-02-06 17:07 ` Tony Lindgren
2005-02-06 12:15 ` Pavel Machek
2005-02-06 17:08 ` Tony Lindgren
2005-02-06 8:11 ` Pavel Machek [this message]
2005-02-06 8:53 ` Lee Revell
2005-02-06 10:25 ` Pavel Machek
2005-02-07 22:08 ` George Anzinger
2005-02-06 17:10 ` Tony Lindgren
2005-02-06 18:34 ` Pavel Machek
2005-02-01 20:20 ` Lee Revell
2005-02-01 23:42 ` Tony Lindgren
2005-02-02 1:06 ` Eric St-Laurent
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