Improving the kernel/i386 timecounter performance (GSoC proposal)

[Julian Elischer]

Scott Long wrote:
> Robert Watson wrote:
>>
>> On Fri, 27 Mar 2009, Scott Long wrote:
>>
>>> I've been talking about this for years.  All I need is help with the 
>>> VM magic to create the page on fork.  I also want two pages, one 
>>> global for gettimeofday (and any other global data we can think of) 
>>> and one per-process for static data like getpid/getgid.
>>
>> FWIW, there are some variations in schemes across OS's -- one extreme 
>> is the Linux approach, which actually exports a mini shared library in 
>> ELF format on the shared page, providing implementations of various 
>> services (such as entering system calls), time stuff, etc.  Less 
>> extreme are the shared pages offered on Mac OS X, etc.
>>
> 
> Yes, but I'd like to start somewhere, and considering that it's been
> impossible in _5_ years to get the 30 minutes of Peter or JeffR or JHB
> time to get the basic VM magic done, I'm keeping my expectations as
> modest as possible.

try alc..  :-)


> 
> Scott
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