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 > <alexandre.bell...@free-electrons.com> wrote: > > 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 for scheduling? I had seen one old patch >> >> http://marc.info/?l=linux-kernel&m=112013203625990&w=2 >> >> But i guess this patch was later on not taken, It will be great if you can >> some pointers to move forward? >> > > The kernel doesn't use the RTC for its time source so it can > already work without an RTC. > > > -- > Alexandre Belloni, Free Electrons > Embedded Linux and Kernel engineering > http://free-electrons.com
