LinuxCNC pc tests, version 20200930, started 18.04.2021 14:48:06 ******************************************************************************** General info: Hewlett-Packard, HP t610 WW Thin Client Bios version K30 v01.10, dated 10/26/2012 Chipset: Harddisk is non-rotational, ie. SSD The amount of swap currently used is 0 ================================================================================ CPU related data: model name : AMD G-T56N Processor cpu cores : 2 stepping : 0 cache size : 512 KB ================================================================================ RAM related data: Maximum Capacity: 8 GB Size: 2048 MB Size: 2048 MB ================================================================================ GPU related data: product: Wrestler [Radeon HD 6320] configuration: driver=radeon latency=0 ================================================================================ Parallel port related data: number of parallel ports is 0 ================================================================================ Os and desktop related data: PRETTY_NAME="Linux Mint 19.3" Should the info below not match with your machine, kindly post the output of pstree here, including a brief desciption of your desktop environment, window manager and display manager. Tia https://forum.linuxcnc.org/18-computer/39370-script-for-automated-testing-of-computer-latency Desktop environment : lightdm Windowmanager : Xfwm4 Displaymanager : lightdm ================================================================================ Kernel related data: Kernel 4.19.0-16-rt-amd64 GRUB_CMDLINE_LINUX_DEFAULT="intel_idle.max_cstate=0 processor.max_cstate=1 isolcpus=1" Cpu idle driver: none ================================================================================ Kernel modules data: Check if pcspkr is loaded: No, which is good! Check if snd modules are loaded: No, which is good! ================================================================================ Keyboard & Mouse related data: Number of mice: 2 Mouse 0 : Logitech USB Receiver Mouse 1 : Logitech K400 Mice attached to USB: Keyboards attached to USB: ================================================================================ LinuxCNC related data: LinuxCNC version is: 2.9.0~pre0.3825.g57833f598 ================================================================================ Preparing for latency test: Started glxgears No. 1, 2, 3, 4, 5 .......... Started firefox with 'https://vimeo.com/150574260', WID ================================================================================ Command for latency test is: su james -c "taskset 0x02 latency-histogram --nobase --base 25000 --sbinsize 1000 --nox 2>&1 | tee -a 1618714070.lat &" Latency testing loop started Sun Apr 18 14:48:42 NZST 2021, should end after Sun Apr 18 15:48:42 NZST 2021 ================================================================================ Swap useage: prerun: 0, running: 0 ================================================================================ CPU core temperatures: