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Re: [PATCH 2/6] linux: Assume clock_getres CLOCK_{PROCESS,THREAD}_CPUTIME_ID


* Adhemerval Zanella:

> On 11/02/2019 09:43, Florian Weimer wrote:
>> * Adhemerval Zanella:
>> 
>>> nscd uses _SC_MONOTONIC_CLOCK and if I understood correctly both IA64 
>>> manual and kernel code, the CLOCK_MONOTONIC implementation on SMP IA64
>>> system with ITC that may drift is a best effort...
>> 
>> Are you sure about that?  Wouldn't that be a bug in kernel
>> clock_gettime, and not something we should paper over in userspace?
>
> Not sure, I was just my impression checking kernel ia64 code but I am
> not an architecture expert. To be safe I kept the original code in
> patch proposal.

I think it's not worth maintaing the ia64 divergence for this.  If it is
a problem with the kernel's CLOCK_MONOTONIC implementation, it has to be
fixed there.

Thanks,
Florian


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