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SubjectRe: Merging relayfs?
On Tue, 12 Jul 2005, Vara Prasad wrote:

> Tomasz Kłoczko wrote:
>
>> On Tue, 12 Jul 2005, Tom Zanussi wrote:
>>
>>> =?ISO-8859-2?Q?Tomasz_K=B3oczko?= writes:
>>> > On Tue, 12 Jul 2005, Tom Zanussi wrote:
>>> [...]
>>>
>>> >
>>> > OK .. "so you can say better is stop flushing buffers on measure which
>>> > wil take day or more" ? :_)
>>> > Some DTrace probes/technik are specialy prepared for long or evel very
>>> > long time experiment wich will only prodyce few lines results on end of
>>> > experiment.
>>> > Look at DTrace documentation for speculative tracing:
>>> > http://docs.sun.com/app/docs/doc/817-6223/6mlkidli7?a=view
>
> How do you propose to implement speculative tracing without a buffer to hold
> the data, when data needs to stay in the kernel for a while before we decide
> to commit or discard?

Buffering some data inside kernel space and buffering with
infrastructure for transfer to user space this are two diffrent things.

kloczek
--
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*Ludzie nie mają problemów, tylko sobie sami je stwarzają*
-----------------------------------------------------------
Tomasz Kłoczko, sys adm @zie.pg.gda.pl|*e-mail: kloczek@rudy.mif.pg.gda.pl*
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