Bug#716746: backport clock_getcpuclockid2 syscall into kfreebsd-9

[Robert Millan <rmh@debian.org>]

Hi David,

Would you consider MFC'ing your commit in rev 239347?

It'd be very useful to us if it were included in stable/9.


2013/7/12 Petr Salinger <Petr.Salinger@seznam.cz>:
> Package: kfreebsd-9
> Severity: wishlist
> User: debian-bsd@lists.debian.org
> Usertags: kfreebsd
>
> To properly provide CLOCK_THREAD_CPUTIME_ID, CLOCK_PROCESS_CPUTIME_ID
> and clock_id's created by clock_getcpuclockid() and pthread_getcpuclockid(),
> we need a kernel support.
> See also #665287.
>
> The kernel support is available in HEAD (but not in STABLE-9).
> It should not be to hard to backport kernel part of
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=168417
>
> into our kernel.
>
> The FBTL based libpthread will use only this interface,
> it will not fallback to TSC timers at all.
> The reason is that TSC part is fragile and unaccurate.
>
> Petr
>
>
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-- 
Robert Millan