Re: gettimeofday order of magnitude slower with pmtimer, which is default

From: OGAWA Hirofumi
Date: Wed Mar 22 2006 - 14:59:24 EST

Avi Kivity <avi@xxxxxxxxxx> writes:

> OGAWA Hirofumi wrote:
>> Current patch is the following. If I'm missing something, or you have
>> some comment, please tell me. (Since I don't have ICH4, ICH4 detection
>> is untested)
> Doesn't it make sense to mark the port as user accessible in the I/O
> permissions bitmap and export it as a vsyscall? that would save the
> syscall overhead.

Umm.. I don't know. In userland, can we make a stable gettimeofday()
from only PMTMR?
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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