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Ping Re: [PATCH] PowerPC - Add a faster way to read the Time Baseregister
- From: "Tulio Magno Quites Machado Filho" <tuliom at linux dot vnet dot ibm dot com>
- To: libc-alpha at sourceware dot org
- Cc: Roland McGrath <roland at hack dot frob dot com>
- Date: Wed, 2 May 2012 10:22:47 -0300
- Subject: Ping Re: [PATCH] PowerPC - Add a faster way to read the Time Baseregister
- References: <20120412200200.F12DA2C07B@topped-with-meat.com><1334694167-20200-1-git-send-email-tuliom@linux.vnet.ibm.com>
Ping. This patch is waiting for review:
http://sourceware.org/ml/libc-alpha/2012-04/msg00646.html
Roland,
Did you have time to take a look on this patch?
On Tue, Apr 17, 2012 at 05:22:47PM -0300, Tulio Magno Quites Machado Filho 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.
Thank you,
--
Tulio Magno