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From: Pedro Alves <pedro@codesourcery.com>
To: tromey@redhat.com
Subject: Re: [gdbserver] x86 agent expression bytecode compiler (speed up conditional tracepoints)
Date: Thu, 10 Jun 2010 17:36:00 -0000
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On Thursday 10 June 2010 18:27:48, Tom Tromey wrote:
> >>>>> "Pedro" == Pedro Alves <pedro@codesourcery.com> writes:
> 
> Pedro> This adds a bytecode compiler to the linux x86 ports of
> Pedro> gdbserver, that turns agent expression bytecodes into
> Pedro> native code.  This greatly speeds up conditional tracepoints
> Pedro> (by around an order of magnitude) that usually don't reference much
> Pedro> more than a few variables (memory/registers), to around 100ns or
> Pedro> less on a typical modern x86 box.
> 
> This is awesome!  I think it deserves a NEWS entry.

Hmmmm.  This is an implementation detail of gdbserver's fast
tracepoints, and gdbserver fast tracepoints are new in 7.2.  What
would we announce?

-- 
Pedro Alves