Re: 2.6.14-rc4-rt7

From: Daniel Walker
Date: Mon Oct 17 2005 - 16:43:49 EST



I found this latency ~5 minutes after boot up, no load . It looks like
vgacon_scroll() has a memset like operation which can grow.

Daniel


On Mon, 17 Oct 2005, Ingo Molnar wrote:

>
> i have released the 2.6.14-rc4-rt7 tree, which can be downloaded from
> the usual place:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> the biggest change is the merging of "ktimers next step", a'ka the
> clockevents framework, from Thomas Gleixner. This is mostly a design
> cleanup of the existing timekeeping, timer and HRT codebase. One
> user-visible aspect is that the PIT timer is now available as a hres
> source too - APIC-less systems will find this useful.
>
> otherwise, there are lots of fixes all across the spectrum.
>
> Changes since 2.6.14-rc4-rt1:
>
> - clockevents framework (Thomas Gleixner)
>
> - ktimer and HRT updates (Thomas Gleixner)
>
> - robust futex updates (David Singleton)
>
> - symbol export fixes (Steven Rostedt)
>
> - export tsc_c3_compensate for real (reported by Rui Nuno Capela)
>
> - fix for the nanosleep() -ERESTARTBLOCK bug
> (reported by Fernando Lopez-Lezcano)
>
> - x64 latency tracer fixes (reported by Mark Knecht)
>
> - PRINTK_IGNORE_LOGLEVEL bugfix
>
> - various build fixes
>
> to build a 2.6.14-rc4-rt7 tree, the following patches should be applied:
>
> http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.13.tar.bz2
> http://kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.14-rc4.bz2
> http://redhat.com/~mingo/realtime-preempt/patch-2.6.14-rc4-rt7
>
> Ingo
> -
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