Re: [PATCH] Dynamic tick, version 050127-1

[Pavel Machek]

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...
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