Re: [PATCH] 2-ptrace_multi

From: Ulrich Drepper
Date: Thu May 18 2006 - 22:22:34 EST

On 5/18/06, Renzo Davoli <renzo@xxxxxxxxxxx> wrote:
e.g. To virtualize a write you'd have to call PTRACE_PEEKDATA for each
word of the buffer, very many hundreds cycles lost.

No, this is not how programs should do it. Just open /proc/PID/mem
and use pread() with an offset corresponding to the address. Now,
repeat your timings using this technique.
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