RFC: Adding a hw.features sysctl
ivoras at freebsd.org
Sun Jan 13 15:49:34 PST 2008
Peter Jeremy wrote:
> A userland program could perform the cpuid functions itself just as
> easily as extracting the information from a sysctl.
In theory, yes, but not if it's a "system overview" kind of tool not
written by someone who knows assembler or for someone who just wants to
call a library's "enableSSE()" function, or if the program's not written
It would be a good thing to have this facility, and done right (not like
text-parsing /proc/cpuinfo in Linux).
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