Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-09-19 Thread Mike Belopuhov
On Tue, Sep 19, 2017 at 22:35 +0200, Mike Belopuhov wrote: > Keeping all of what Reyk said in mind, here's an updated diff that > incorporates additional changes: > > 1) doesn't break i386 kernel compilation; > > 2) allows for multiple recalibrations using better timecounter > sources since

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-09-19 Thread Mike Belopuhov
On Thu, Sep 14, 2017 at 15:41 +0200, Reyk Floeter wrote: > I'd like to raise another point: as we figured out, the TSC frequency > can be different than the CPU frequency on modern Intel CPUs. The > const+invar TSC can even run faster than the CPU. > > For example, my X1 4th Gen currently boots

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-09-15 Thread Jonathan Gray
On Thu, Sep 14, 2017 at 03:41:25PM +0200, Reyk Floeter wrote: > > On Fri, Aug 25, 2017 at 12:43:44PM +0200, Mike Belopuhov wrote: > > On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > > > On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > > > > On Thu, Aug 24, 2017 at 2:35 AM,

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-09-14 Thread Reyk Floeter
On Fri, Aug 25, 2017 at 12:43:44PM +0200, Mike Belopuhov wrote: > On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > > On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > > > On Thu, Aug 24, 2017 at 2:35 AM, Mike Larkin wrote: > > > > On Wed, Aug 23, 2017

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-27 Thread Mike Larkin
On Sun, Aug 27, 2017 at 09:45:52PM -0700, Mike Larkin wrote: > On Mon, Aug 28, 2017 at 08:02:35AM +0800, Adam Steen wrote: > > On Fri, Aug 25, 2017 at 12:43:44PM +0200, Mike Belopuhov wrote: > > > On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > > > > On Thu, Aug 24, 2017 at 12:39:33PM

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-27 Thread Mike Larkin
On Mon, Aug 28, 2017 at 08:02:35AM +0800, Adam Steen wrote: > On Fri, Aug 25, 2017 at 12:43:44PM +0200, Mike Belopuhov wrote: > > On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > > > On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > > > > On Thu, Aug 24, 2017 at 2:35 AM, Mike

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-27 Thread Adam Steen
On Fri, Aug 25, 2017 at 12:43:44PM +0200, Mike Belopuhov wrote: > On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > > On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > > > On Thu, Aug 24, 2017 at 2:35 AM, Mike Larkin wrote: > > > > On Wed, Aug 23, 2017 at

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-25 Thread Mike Belopuhov
On Fri, Aug 25, 2017 at 00:40 -0700, Mike Larkin wrote: > On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > > On Thu, Aug 24, 2017 at 2:35 AM, Mike Larkin wrote: > > > On Wed, Aug 23, 2017 at 09:29:15PM +0800, Adam Steen wrote: > > >> > > >> Thank you Mike on the

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-25 Thread Mike Larkin
On Thu, Aug 24, 2017 at 12:39:33PM +0800, Adam Steen wrote: > On Thu, Aug 24, 2017 at 2:35 AM, Mike Larkin wrote: > > On Wed, Aug 23, 2017 at 09:29:15PM +0800, Adam Steen wrote: > >> On Thu, Aug 17, 2017 at 12:19:28PM +0800, Adam Steen wrote: > >> > On Tue, Aug 8, 2017 at

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-23 Thread Adam Steen
On Thu, Aug 24, 2017 at 2:35 AM, Mike Larkin wrote: > On Wed, Aug 23, 2017 at 09:29:15PM +0800, Adam Steen wrote: >> On Thu, Aug 17, 2017 at 12:19:28PM +0800, Adam Steen wrote: >> > On Tue, Aug 8, 2017 at 10:12 PM, Mike Belopuhov wrote: >> > > On Tue,

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-23 Thread Mike Larkin
On Wed, Aug 23, 2017 at 09:29:15PM +0800, Adam Steen wrote: > On Thu, Aug 17, 2017 at 12:19:28PM +0800, Adam Steen wrote: > > On Tue, Aug 8, 2017 at 10:12 PM, Mike Belopuhov wrote: > > > On Tue, Aug 08, 2017 at 08:18 +0800, Adam Steen wrote: > > >> On Mon, Jul 31, 2017 at 3:58

Re: Improve the accuracy of the TSC frequency calibration - Updated Patch

2017-08-23 Thread Adam Steen
On Thu, Aug 17, 2017 at 12:19:28PM +0800, Adam Steen wrote: > On Tue, Aug 8, 2017 at 10:12 PM, Mike Belopuhov wrote: > > On Tue, Aug 08, 2017 at 08:18 +0800, Adam Steen wrote: > >> On Mon, Jul 31, 2017 at 3:58 PM, Mike Belopuhov wrote: > >> > On Mon, Jul