RE: [PATCH 2/2] btrace: set/show record btrace cpu

["Metzger, Markus T" <markus dot t dot metzger at intel dot com>]

Hello Eli,

> > >   @cindex processor errata
> > >   @dfn{Processor errata} are bugs in processor firmware that can cause
> > >   a trace not to match the specification.  Trace decoders that are
> > >   unaware of these errata might fail to decode such a trace.
> > >   @value{GDBN} can detect erroneous trace packets and correct them,
> > >   thus avoiding the decoding failures.  These corrections are known as
> > >   @dfn{errata workarounds}, and are enabled based on the processor on
> > >   which the trace was recorded.
> >
> > I'm not sure whether the term 'firmware' is correct.  I would instead
> > phrase it like this:
> >
> > "Errata may cause the recorded trace to not match the specification.
> > This, in turn, may cause trace decode to fail".
> 
> But that completely loses the explanation of what the errata are.  If my
> explanation is not accurate, let's correct it, rather than deleting it.

I didn't mean to delete your explanation.  I only removed the 'firmware' part.
And the bit about 'unaware decoders' because it really only matters to the
reader what GDB's decoder does.  Or that's what I thought I did.  What else is
missing?

Thanks,
Markus.

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