Re: acpi(ca) mfc for 8.2

2010-11-18 Thread Andriy Gapon
on 18/11/2010 01:07 Jung-uk Kim said the following: I think I know what's going on. Andriy, it seems this change is missing from your patchset (maybe more): http://svn.freebsd.org/viewvc/base/head/sys/contrib/dev/acpica/utilities/utglobal.c?r1=210976r2=213806 Jung-uk, thanks a lot! It

Re: aperf/mperf

2010-11-18 Thread Daniel Nebdal
On Thu, Nov 18, 2010 at 2:32 PM, Andriy Gapon a...@freebsd.org wrote: on 18/11/2010 05:53 George Neville-Neil said the following: On Nov 16, 2010, at 09:37 , Andriy Gapon wrote: Many modern processors provide APERF and MPERF MSRs which allow to easily and reliable calculate average CPU

Re: aperf/mperf

2010-11-18 Thread Andriy Gapon
on 18/11/2010 15:38 Daniel Nebdal said the following: Just for the sake of gathering information here: What they offer are two (64-bit, wrapping) counters; one that increases at a constant rate, and one that increases in proportion to the current performance of the CPU, so that APERF/MPERF =

ideas for _PSD/_CSD/_TSD

2010-11-18 Thread Andriy Gapon
I am trying to solicit some architectural/design ideas for implementing logic that would honor ACPI _PSD/_CSD/_TSD descriptions of processor dependency domains. Well, I am primarily interested in _PSD, but I think that some general principles could be shared. In simple terms. Currently we do

Re: ideas for _PSD/_CSD/_TSD

2010-11-18 Thread Nate Lawson
On 11/18/2010 11:09 AM, Andriy Gapon wrote: I am trying to solicit some architectural/design ideas for implementing logic that would honor ACPI _PSD/_CSD/_TSD descriptions of processor dependency domains. Well, I am primarily interested in _PSD, but I think that some general principles