Script for automated testing of computer latency.

LinuxCNC pc tests, version 20200930, started 16.11.2020 20:33:33
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General info:
HARDKERNEL,  ODROID-H2
Bios version 5.13, dated 08/11/2020
Chipset: Harddisk is non-rotational, ie. SSD
The amount of swap currently used is 0
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CPU related data:
model name	: Intel(R) Celeron(R) J4115 CPU @ 1.80GHz
cpu cores	: 4
stepping	: 1
cache size	: 4096 KB
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RAM related data:
Maximum Capacity: 32 GB
Maximum Voltage: 1.5 V
Maximum Voltage: 1.5 V
Size: 4096 MB
Size: 4096 MB
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GPU related data:
product: Intel Corporation
configuration: driver=i915 latency=0
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Parallel port related data:
number of parallel ports is 0
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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
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Kernel related data:
Kernel 4.19.106-rt46-lcnc
GRUB_CMDLINE_LINUX_DEFAULT="quiet iscolcpus=2,3 splash"
Cpu idle driver: intel_idle
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Kernel modules data:
Check if pcspkr is loaded: No, which is good!
Check if snd modules are loaded: No, which is good!
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Keyboard & Mouse related data:
Number of mice: 1
Mouse 0 : Logitech M215 2nd Gen
Mice  attached to USB:
Keyboards attached to USB:
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LinuxCNC related data:
LinuxCNC version is: 2.8.0
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Preparing for latency test:
Started glxgears No. 1, 2, 3, 4, 5
..........
Started firefox with 'https://vimeo.com/150574260', WID 69206019
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Command for latency test is:
su john -c  "latency-histogram --nobase  --sbinsize 1000 --nox 2>&1 | tee -a 1605576810.lat &"

Latency testing loop started Mon Nov 16 20:33:50 EST 2020, 
should end after Mon Nov 16 22:33:50 EST 2020

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Swap useage: prerun: 0, running: 0

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CPU core temperatures:
Core 0: Tmin: 35.0°C, Tmax: 43.0°C, (high = +105.0°C, crit = +105.0°C)
Core 1: Tmin: 35.0°C, Tmax: 43.0°C, (high = +105.0°C, crit = +105.0°C)
Core 2: Tmin: 35.0°C, Tmax: 43.0°C, (high = +105.0°C, crit = +105.0°C)
Core 3: Tmin: 35.0°C, Tmax: 43.0°C, (high = +105.0°C, crit = +105.0°C)
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last latency data is as follows:.
 7203 secs  servo min:-134.700 uS max: 128.900 uS sdev:   3.800 uS
 7204 secs  servo min:-134.700 uS max: 128.900 uS sdev:   3.800 uS