[rtc-linux] Re: Kernel without RTC

2017-03-08 Thread Thomas Gleixner
On Wed, 8 Mar 2017, Alexandre Belloni wrote: > On 08/03/2017 at 13:33:33 +, Hadimani, Jagadish wrote: > > Hello Alexandre, > > > > I guess the Linux kernel uses HPET timer... > > But can we can force Linux kernel to use Tsc or per core timer... > > > > That is probably the case but your are

[rtc-linux] Re: Kernel without RTC

2017-03-08 Thread Alexandre Belloni
On 08/03/2017 at 13:33:33 +, Hadimani, Jagadish wrote: > Hello Alexandre, > > I guess the Linux kernel uses HPET timer... > But can we can force Linux kernel to use Tsc or per core timer... > That is probably the case but your are targeting the wrong subsystem. The timekeeping is done using

[rtc-linux] Re: Kernel without RTC

2017-03-08 Thread Hadimani, Jagadish
Hello Alexandre, I guess the Linux kernel uses HPET timer... But can we can force Linux kernel to use Tsc or per core timer... Sent from my iPhone > On 8 Mar 2017, at 6:47 PM, Alexandre Belloni > wrote: > > Hi, > >> On 07/03/2017 at 00:48:18 +0530, Shah, Nehal-bakulchandra wrote: >> Hi, >>

[rtc-linux] Re: Kernel without RTC

2017-03-08 Thread Alexandre Belloni
Hi, On 07/03/2017 at 00:48:18 +0530, Shah, Nehal-bakulchandra wrote: > Hi, > > Currently we are having hardware which does not have RTC. It is single > processor system. However it does have TSC timer. > > Now, how to use scheduler with only TSC as current kernel scheduler leverage > the RTC f