Messages in this thread | | | Date | Wed, 3 Jun 2020 15:51:59 +0530 | From | Viresh Kumar <> | Subject | Re: [Question]: about 'cpuinfo_cur_freq' shown in sysfs when the CPU is in idle state |
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On 03-06-20, 11:17, Sudeep Holla wrote: > On Wed, Jun 03, 2020 at 03:40:10PM +0530, Viresh Kumar wrote: > > On 03-06-20, 11:07, Sudeep Holla wrote: > > > But I have another question. If we can detect that CPPC on some platforms > > > rely on CPU registers(I assume FFH registers here and not system/io/... > > > type of GAS registers), can we set dvfs_on_any_cpu(can't recall exact > > > flag name) to false if not already done to prevent such issues. Or I am > > > talking non-sense as it may be applicable only for _set operation and > > > > Yes, non-sense :) > > > > Thanks for confirming 👍.
Hehe.
So, do you agree that we better do the read from the CPUs themselves ?
-- viresh
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