On Sun, 2009-05-10 at 18:14 +0200, Mathieu Bridon (bochecha) wrote: > On Sun, May 10, 2009 at 17:44, Jon Stanley <jonstanley@xxxxxxxxx> wrote: > Wouldn't smolt be a good way to know the rates of 64 bits processors > versus 32 bits ones ? > > The « arch » tab says : > i686 200890 75.2 % > x86_64 64931 24.3 % > > But if I understood it right, that's actually the installed arch, not > the capability of the CPU, so many of those i686 installs might come > from 64 bits CPUs and user not knowing/willing to move to 64 bits > OS... > > The « CPU » tab doesn't say whether the CPU is 32 or 64 bits though > (or maybe I didn't look close enough). > > Knowing how many 64 bits CPUs are out there using Fedora could provide > good input for this issue IMHO. Yes, Smolt's CPU stats are mostly useless. What it *needs* to do is collect up everyone's cpuinfo flags: $ grep "model name" /proc/cpuinfo model name : AMD Athlon(tm) 64 Processor 3000+ $ grep flags /proc/cpuinfo flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt lm 3dnowext 3dnow up rep_good pni lahf_lm Then we could come up with all kinds of meaningful stats, like how many people have cmov/MMX/SSE, and how many support 64 bit regardless of installed architecture. The "lm" flag means "long mode" is supported, aka "64 bit": http://en.wikipedia.org/wiki/Long_mode
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