Christophe Leroy's on August 14, 2019 4:31 pm: > Hi Nick, > > > Le 07/06/2018 à 03:43, Nicholas Piggin a écrit : >> On Wed, 6 Jun 2018 14:21:08 +0000 (UTC) >> Christophe Leroy <[email protected]> wrote: >> >>> scaled cputime is only meaningfull when the processor has >>> SPURR and/or PURR, which means only on PPC64. >>> > > [...] > >> >> I wonder if we could make this depend on PPC_PSERIES or even >> PPC_SPLPAR as well? (That would be for a later patch) > > Can we go further on this ? > > Do we know exactly which configuration support scaled cputime, in > extenso have SPRN_SPURR and/or SPRN_PURR ? > > Ref https://github.com/linuxppc/issues/issues/171
Unfortunately I don't know enough about the timing stuff and who uses it. SPURR is available on all configurations (guest, bare metal), so it could account scaled time there too. I guess better just leave it for now. Thanks, Nick
