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This is a kernel bug reported here: https://bugzilla.kernel.org/show_bug.cgi?id=92111 (many thanks @DougSmythies) Workaround: add acpi_osi= to the kernel cmdline in /etc/default/grub e.g.: GRUB_CMDLINE_LINUX="hid_apple.iso_layout=0 elevator=cfq acpi_osi=" run sudo update-grub afterwards and reboot. This will most likely disable thunderbolt.


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Linux should support hyperthreading and virtualization (in probably all mainstream AMD/Intel processors): Virtualization - You can use various programs to virtualize, such as VirtualBox, Gnome Boxes etc Hyperhtreading - it working should show twice the amount of CPUs in system monitor, to check in more detail this post may help You should be able to test ...


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Check if your program is controlled by cpulimit application # cpulimit -l 30 /bin/yourprogram & The above command will start application but will not allow application to use more than 30% of cpu cpulimit.1.html cpulimit examples


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To see CPU temperature in in thousandths of a degree C, use the following command: cat /sys/class/thermal/thermal_zone0/temp To see detailed temperature information for other system temperature it is best to install lm-sensors using: sudo apt-get install lm-sensors Then you can run sudo sensors-detect to detect the sensors in your system and type yes ...


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Not all pstates are available when using acpi-cpufreq. You can check the available frequencies (pstates) via: sudo cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies Is 2100 listed? If it is listed, what do you get for: grep MHz /proc/cpuinfo and cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_setspeed Based on your comments, it ...


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To read the current state of the Turbo Boost, we need to install the msr-tools sudo apt-get install msr-tools To know if the Turbo Boost feature is disabled, run: rdmsr -pi 0x1a0 -f 38:38 1=disabled 0=enabled Replace i with your cores number NOte: If you get the following error: rdmsr:open: No such file or directory then load the “msr” module by ...



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