Improving the kernel/i386 timecounter performance (GSoC
proposal)
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri Mar 27 13:56:58 PDT 2009
In message <17560ccf0903271348p52351481v4cc83c14037e8836 at mail.gmail.com>, Prash
ant Vaibhav writes:
>Actually OS X is more similar than that: the shared page also contains
>functions that can be called by user applications, though their entry points
>are fixed and they're not in any particular format like elf/mach-o.
>Userspace implementations of gettimeofday, bcopy etc. are provided in the
>kernel itself, which is a nice design imo as the specific version to load is
>chosen by the kernel at boot time depending on processor capabilities.
That would get my vote.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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