Re: [PATCH] perf tools: fix write_event()

From: Peter Zijlstra
Date: Wed Jan 20 2010 - 09:43:45 EST


On Wed, 2010-01-20 at 15:14 +0100, Peter Zijlstra wrote:

> > > > Uhm, how why? it didn't used to know about events and just copied the
> > > > data.
> > >
> > > looks like acme wrecked it in f5a2c3dc.. anyway the fix is wrong, record
> > > should not know or care about the actual events and simply write data
> > > out.
> >
> > Oh well, I guess then we should do that after record finishes,
> > reprocessing all the data in the file.
>
> Why do we need it at all?

To clarify, we want to keep the record cycle as small/fast as possible
in order to minimize permutation of the system we're recording.

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