~$ sudo i7z
sudo i7z
i7z DEBUG: i7z version: svn-r93-(27-MAY-2013)
i7z DEBUG: Found Intel Processor
i7z DEBUG: Stepping 9
i7z DEBUG: Model e
i7z DEBUG: Family 6
i7z DEBUG: Processor Type 0
i7z DEBUG: Extended Model 9
i7z DEBUG: msr = Model Specific Register
i7z DEBUG: Unknown processor, not exactly based on Nehalem, Sandy bridge or Ivy
Bridge
i7z DEBUG: msr device files exist /dev/cpu/*/msr
i7z DEBUG: You have write permissions to msr device files
------------------------------
--[core id]--- Other information
-------------------------------------
--[0] Processor number 0
--[0] Socket number/Hyperthreaded Sibling number 0,4
--[0] Core id number 0
--[0] Display core in i7z Tool: Yes
--[1] Processor number 1
--[1] Socket number/Hyperthreaded Sibling number 0,5
--[1] Core id number 1
--[1] Display core in i7z Tool: Yes
--[2] Processor number 2
--[2] Socket number/Hyperthreaded Sibling number 0,6
--[2] Core id number 2
--[2] Display core in i7z Tool: Yes
--[3] Processor number 3
--[3] Socket number/Hyperthreaded Sibling number 0,7
--[3] Core id number 3
--[3] Display core in i7z Tool: Yes
--[4] Processor number 4
--[4] Socket number/Hyperthreaded Sibling number 0,0
--[4] Core id number 0
--[4] Display core in i7z Tool: No
--[5] Processor number 5
--[5] Socket number/Hyperthreaded Sibling number 0,1
--[5] Core id number 1
--[5] Display core in i7z Tool: No
--[6] Processor number 6
--[6] Socket number/Hyperthreaded Sibling number 0,2
--[6] Core id number 2
--[6] Display core in i7z Tool: No
--[7] Processor number 7
--[7] Socket number/Hyperthreaded Sibling number 0,3
--[7] Core id number 3
--[7] Display core in i7z Tool: No
Socket-0 [num of cpus 4 physical 4 logical 8] 0,1,2,3,
Socket-1 [num of cpus 0 physical 0 logical 0]
GUI has been Turned ON
i7z DEBUG: Single Socket Detected
i7z DEBUG: In i7z Single_Socket()
i7z DEBUG: guessing Nehalem
--------
AND THEN
--------
Cpu speed from cpuinfo 2903.00Mhz
cpuinfo might be wrong if cpufreq is enabled. To guess correctly try estimating
via tsc
Linux's inbuilt cpu_khz code emulated now
True Frequency (without accounting Turbo) 2903 MHz
CPU Multiplier 29x || Bus clock frequency (BCLK) 100.10 MHz
Socket [0] - [physical cores=4, logical cores=8, max online cores ever=4]
TURBO ENABLED on 4 Cores, Hyper Threading ON
Max Frequency without considering Turbo 3003.10 MHz (100.10 x [30])
Max TURBO Multiplier (if Enabled) with 1/2/3/4 Cores is 39x/37x/36x/35x
Real Current Frequency 1557.86 MHz [100.10 x 15.56] (Max of below)
Core [core-id] :Actual Freq (Mult.) C0% Halt(C1)% C3 % C6 %
Temp VCore
Core 1 [0]: 1516.07 (15.15x) 2.86 98.5 0 0
39 0.7573
Core 2 [1]: 1557.86 (15.56x) 2.16 98.8 0 0
37 0.7573
Core 3 [2]: 1533.17 (15.32x) 2.15 98.9 0 0
39 0.7550
Core 4 [3]: 1554.47 (15.53x) 1.51 98.2 1 0
38 0.7552
C0 = Processor running without halting
C1 = Processor running with halts (States >C0 are power saver modes with cores
idling)
C3 = Cores running with PLL turned off and core cache turned off
C6, C7 = Everything in C3 + core state saved to last level cache, C7 is deeper
than C6
Above values in table are in percentage over the last 1 sec
[core-id] refers to core-id number in /proc/cpuinfo
'Garbage Values' message printed when garbage values are read
Ctrl+C to exit
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1672439
Title:
No C-State Deeper than C3 utilized by Kaby Lake 7820HQ in Precision
5520
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