CGL Conf Call - May 14 - Meeting Notes

[Joe.MacDonald@xxxxxxxxxxxxx (MacDonald, Joe)]

Hi Everyone,

On Wed, 2008-05-14 at 16:56 -0700, Dan Cauchy wrote:


> Linux Foundation CGL Conf Call  
> 
> May 14, 2008 

[...]

> o       Joe to send out latest consolidated comments and updates from
> the Collab Summit to the mailing list

I debated quite a bit on what was the best way to present the notes I
collected together from everyone after the Austin meeting, specifically
regarding the SCOPE gaps document and eventually decided to scribble
directly on the PDF.  I hope this works for everyone.  Let me know if
something isn't clear or if it ends up looking like I just grabbed
something out of /dev/urandom.

The other part of the notes come directly from Dan's notes in the open
session (that'd be Day 2 of the collab summit, as opposed to the working
session, which was on Day 3).  I hope I haven't mangled his notes too
much:

CGL Gaps 

      * AVL.3.2 ?? force unmount 
              * need to split into 3 ?whys? 
              * send to LKML with the details on the ?why?
              * this has been discussed before so it should be doable 
      * AVL.4.2 ?? replaceable OOM killer
              * configurable OOM killer probably will meet the
                requirement, this req came years ago when there was no
                OOM around 
      * AVL.7.1.2 multi-path access to storage 
              * Multi path is there 
      * AVL.14.0 ? excessive CPU cycle usage detection 
              * Arjan Comment: I don?t like the term ?CPU cycle? 
              * This is really ?CPU usage time?, not cycle 
              * This needs to be reworded 
      * AVL.15.0 fast application restart 
              * Arjan: I?m concerned about this one 
      * AVL.28.0? ? Support of Mlocked Page Limits
              * Arjan: this is not big deal, only concern is that it?s a
                global, implementation will be tricky in scalability,
                but it makes total sense 
      * SMM.7.8 ?? Support for User Locked Page Reporting
              * Arjan: I think we have something for this 
      * SFA.5.0 ? live app dump trigger 
              * Arjan: I think that exists, issue with the term ?live?,
                should be ?non fatal?
      * SFA.6.0 ? system snapshot 
              * Corbet: this is there if you trust hibernation code 
      * SFA.9.0 ? kernel sampling for profiling 
              * Arjan: this is there, see oProfile for #3 
      * SFA.14.0 ? Per-Thread CPU Time Limits and Signalling
              * Arjan: I don?t think we have this, we need to check 
      * SFA.13.0 ? live application dump
              * Arjan: this is live snapshot, can we specify a limit,
                need an indicator/guideline to how long that is (e.g. is
                it milliseconds?)
      * PRF.1.2 ?? Configurable Scheduler Quantum For Round Robin
        Scheduling Policy
              * Arjan: no more quantum, this is old, doesn?t make sense
                any more
              * Remove
      * PRF1.11 ? priority inheritance inside API
              * Arjan: this is there, I think they mean processes 
              * This needs to be put in the deprecated pile and see if
                anyone screams 
      * PRF.4.1 - Forwarding tables fast access 
              * There is now an O(log(n)) algorithm in 2.6.25, this is
                done 
              * Move to satisfied 
      * PRF.4.4? ? Low Software Overhead For Message Latency
              * Arjan: I think this is there 
      * PRF.11.1 ? app pre loading non-boot 
              * Arjan: what do you mean by pre-loading, cause prelink
                exists today 
              * Satisfied
      * STD.11.2- Diameter 
              * OpenDiameter and OpenRadius exist and should meet this
              * Verify and move to satisfied 


Joe MacDonald, Member of Technical Staff, Wind River
direct 613.270.5750  mobile 613.291.7421  fax 613.592.2283   
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