[PATCH] PowerPC - Add a faster way to read the Time Base register

[Carlos O'Donell]

On Tue, Apr 17, 2012 at 4:22 PM, Tulio Magno Quites Machado Filho
<tuliom@linux.vnet.ibm.com> wrote:
> Add function __ppc_get_timebase() to directly read the Time Base register.
> This is required for applications that measure time at high frequencies
> with high precision that can't afford a syscall.
>
> 2012-04-09 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
>
>        [BZ #13743]
>        * sysdeps/powerpc/sys/platform/ppc.h: New file for PowerPC features.
>        * sysdeps/powerpc/Makefile (tests): Add test-gettimebase.
>        (sysdep_headers): Include sys/platform/ppc.h.
>        * sysdeps/powerpc/test-gettimebase.c: Test for
>        __ppc_get_timebase() to catch future ISA opcode/insn changes.
>        * manual/Makefile (appendices): Include platform.texi.
>        * manual/contrib.texi: Likewise.
>        * manual/maint.texi: Document how to include platform-specific
>        headers.
>        * manual/platform.texi: New file. Document the new features.

Tulio,

Have you given any consideration to contributing a manual page for
this to the man-pages project?

http://sourceware.org/glibc/wiki/Contribution%20checklist#Documentation

Cheers,
Carlos.