Re: About ceph_clock_now()

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On 25-1-2016 01:03, Adam C. Emerson wrote:
> On 24/01/2016, Willem Jan Withagen wrote:
>> Not to irritate, but I just updated my copy of ceph:master and I could
>> not find any trace of a reference to CLOCK_MONOTONIC_FAST, so it has to
>> be in any of the WIPs ??
> 
> I had meant that there was an abstraction there, rather than that we had
> CLOCK_MONOTONIC_FAST already. But, does:
> 
> https://github.com/ceph/ceph/pull/7340
> 
> Work under your system/seem a sane way of doing it?

That is 99,5% of what I had in my WIP.
The difference is that I matched it on __linux__ and  __FreeBSD__, but
yours is definitely even better, since it if-then-else on what is really
under observation.
I would comment the last section: the #else with a remark that you
select POSIX if nothing else, but that POSIX is more/unneeded accurate
and slow.

--WjW



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