Srini, kudos for making per-core DVFS work! A quick head¹s up: we are also working on (per-core) DVFS support and are just polishing those patches for consumption, should hopefully have them ready within a week or two.
On the main question, I have no hard opinion, but wonder what the reasoning is for either. The OS should cope with the core being woken up spuriously, maybe check the run queues and go back to sleep if nothing has happened. Likewise, on the HW side, it depends. Some systems might do DVFS of a remote core, some need to run code on the core that is to be DVFS-ed (obviously requiring wakeup). HTH, Stephan On 23.03.2014 14:26, "Srinivasan Narayanamoorthy" <narayanam...@wisc.edu> wrote: >Hi all, > >I have implemented a per-core DVFS in gem5, mimicking an on-demand >governer. My question here is if the cpu is in quiesce state(TC is >suspended) while DVFS routine is scheduled, should I wakeup() the >suspended TC?. > > >Similarly while doing a drain and switching to a different cpu model, >should the suspended TC be explicitly woken up? > > >I am doing both in my implementation and nothing has broken so far. But >am wondering if it is actually done that way. > > >Thanks >Srini >_______________________________________________ >gem5-users mailing list >gem5-users@gem5.org >http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > -- IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, Registered in England & Wales, Company No: 2557590 ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, Registered in England & Wales, Company No: 2548782 _______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
