On Fri, Oct 18, 2013 at 04:19:49PM +0300, Joonas Saarinen wrote:
> It's promising that the boost state support is "supported and
> active" but the output is still kind of sparse. There's no mention
> about specific turbo states,
could be bug in the tool...
> nor do I get /proc/cpuinfo or that cpupower tool ever to show an
> evidence that the CPU is going to 1333MHz. On Windows CPU-Z showed it
> constantly visiting that state.
You can also try turbostat in tools/power/x86/turbostat/
# ./turbostat -i 1
to give you core freq. readout every second and then pin a workload on
one core in another shell, say kernel build:
$ taskset 1 make
You should be able to see core 0 boosting like in my case:
cor CPU GHz TSC
3.90 4.01
0 0 4.17 4.01
1 1 4.17 4.01
2 2 2.23 4.01
3 3 2.74 4.01
4 4 1.83 4.01
5 5 3.23 4.01
6 6 1.69 4.01
7 7 1.43 4.01
cores 0 and 1 go over 4GHz which is their boosted state.
HTH.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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