On 1/29/15 10:51 PM, Ryan Stone wrote:
> On Thu, Jan 29, 2015 at 3:45 PM, John Baldwin wrote:
>> Also, note that we always use the TSC as the cpu ticker, even if it is not
>> the
>> timecounter. Thus, if C2+ is enabled on the systems, the kernel idle threads
>> will have an artificially low runt
On Thu, Jan 29, 2015 at 3:45 PM, John Baldwin wrote:
> Also, note that we always use the TSC as the cpu ticker, even if it is not the
> timecounter. Thus, if C2+ is enabled on the systems, the kernel idle threads
> will have an artificially low runtime since their idle time is not properly
> acco
On Thursday, January 29, 2015 08:41:43 PM John Baldwin wrote:
> Author: jhb
> Date: Thu Jan 29 20:41:42 2015
> New Revision: 277900
> URL: https://svnweb.freebsd.org/changeset/base/277900
>
> Log:
> Opt for performance over power-saving on Intel CPUs that have a
> P-state but not C-state invar
Author: jhb
Date: Thu Jan 29 20:41:42 2015
New Revision: 277900
URL: https://svnweb.freebsd.org/changeset/base/277900
Log:
Opt for performance over power-saving on Intel CPUs that have a
P-state but not C-state invariant TSC by changing the default behavior
to leaving the TSC enabled as the
