> I share Brian's view on the possibility of implementing something
> similar to Linux's /proc/cpuinfo. During my development days on Linux,
> I grew quite fond of the /proc/cpuinfo interface, and found it
> extremely extensible to include additional information as they become
> available on new CPUs.
>
> Another idea I would like to toss around here is the possibility of
> libcpuinfo. Currently the only way to get cpuid information in user
> applications is via /dev/cpu/self/cpuid. The interface, while
> versatle, is not particularly easy to use ("man cpuid" for usage
> details). It would be nice to provide interfaces to user applications
> to get various fields from cpuid_info. Something like
>
> cpuid_get(VENDOR_STR, &vendor_str);
> cpuid_get(L2_CACHE_SIZE, &l2_cache_size);
>
> etc.
>
> Sherry
Would something like
$ cat /system/cpufs/cpus/0/vendor_string
$ cat /system/cpufs/cpus/0/l2_cache_size
be sufficient? If the information is available through the CPUfs interface it
is easy to build wrapper library in any language for accessing it
programmatically.
- akolb
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