On Fri, Aug 28, 2020 at 4:14 PM 孙世龙 sunshilong wrote: > Hi, list > > How to acquire the occupancy time of CPUs within a certain duration, > i.e. 10ms, 1ms, and etc? > > Could somebody please shed some light on this matter? > I would be grateful to have some help with this question. > > Best Regards. > Sunshilong > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > Hi do you mean make a process exclusively run on a cpu core without being interrupted/preempted for certain time? if yes, i think schedule a process as real time (sched fifo?), create timer, sched yield after timer runs out. cmiiw -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>