On Wednesday, July 18, 2018 3:36:40 AM CEST Calvin Walton wrote:
> Based on the documentation provided in AMD's Open-Source
> Register Reference For AMD Family 17h Processors:
> https://support.amd.com/TechDocs/56255_OSRR.pdf
> 
> I've added support for reading Cores and Package energy usage from AMD's
> "RAPL" MSRs. In order to correctly detect the AMD processor generation,
> I've also had to update the CPUID code to handle AMD's extended family
> field.
> 
> Here's some example output from my (idle) Ryzen 3 2200G test system:
> 
> turbostat version 17.06.23 - Len Brown <l...@kernel.org>
> CPUID(0): AuthenticAMD 13 CPUID levels; family:model:stepping 0x17:11:0 
> (23:17:0)
> CPUID(1): SSE3 MONITOR - - - TSC MSR - -
> CPUID(6): APERF, No-TURBO, No-DTS, No-PTM, No-HWP, No-HWPnotify, 
> No-HWPwindow, No-HWPepp, No-HWPpkg, No-EPB
> CPUID(7): No-SGX
> RAPL: 364 sec. Joule Counter Range, at 180 Watts
> cpu2: POLL: CPUIDLE CORE POLL IDLE
> cpu2: C1: ACPI FFH INTEL MWAIT 0x0
> cpu2: C2: ACPI IOPORT 0x414
> cpu2: cpufreq driver: acpi-cpufreq
> cpu2: cpufreq governor: schedutil
> cpu0: MSR_RAPL_PWR_UNIT: 0x000a1003 (0.125000 Watts, 0.000015 Joules, 
> 0.000977 sec.)
> Core  CPU     Avg_MHz Busy%   Bzy_MHz TSC_MHz IRQ     C1      C2      C1%     
> C2%     CorWatt PkgWatt
> -     -       33      2.20    1485    3500    5073    1263    3694    2.75    
> 95.12   0.03    3.29
> 0     0       33      2.20    1483    3500    1213    354     886     2.96    
> 94.89   0.01    3.29
> 1     1       25      1.67    1474    3500    907     197     682     1.55    
> 96.80   0.01
> 2     2       33      2.24    1478    3500    1674    450     1175    4.16    
> 93.70   0.01
> 3     3       40      2.67    1501    3500    1279    262     951     2.33    
> 95.07   0.01
> 
> 
> Calvin Walton (2):
>   turbostat: Read extended processor family from CPUID
>   turbostat: Add support for AMD Fam 17h (Zen) RAPL
> 
>  tools/power/x86/turbostat/turbostat.c | 184 ++++++++++++++++++++++----
>  1 file changed, 156 insertions(+), 28 deletions(-)
> 
> 

CC to linux...@vger.kernel.org pretty please!


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