On 1 Jan 2018, at 05:09, Adrian Chadd <adrian.ch...@gmail.com> wrote:
> On 30 December 2017 at 00:28, Konstantin Belousov <kostik...@gmail.com> wrote:
>> On Sat, Dec 30, 2017 at 07:50:19AM +0000, blubee blubeeme wrote:
>>> Is there some way to programmatically get the CPU cache line sizes on
>>> FreeBSD?
>> There are, all of them are MD.
>> On x86, the CPUID instruction leaf 0x1 returns the information in
>> %ebx register.
> Hm, weird. Why don't we extend sysctl to include this info?

It would be nice to expose this kind of information via VDSO or similar.  There 
are a lot of similar bits of info that people want to use for ifunc and, SVE is 
going to have a bunch of similar requirements.


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