LinuxCNC pc tests, version 20200930, started 02.10.2020 05:42:13
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General info:
Dell Inc.,  OptiPlex 980                 
Bios version A18, dated 02/27/2018
Chipset: Intel Corporation 5 Series/3400 Series 
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) Core(TM) i5 CPU         650  @ 3.20GHz
cpu cores	: 2
stepping	: 5
cache size	: 4096 KB
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RAM related data:
Maximum Capacity: 16 GB
Size: 2048 MB
Size: 2048 MB
Size: 2048 MB
Size: 2048 MB
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GPU related data:
product: Core Processor Integrated Graphics Controller
configuration: driver=i915 latency=0
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Parallel port related data:
number of parallel ports is 2
parport0: PC-style at 0x378 (0x778), irq 7 [PCSPP,TRISTATE,EPP]
parport1: PC-style at 0xdcf0, irq 16 [PCSPP,TRISTATE,EPP]
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Os and desktop related data:
PRETTY_NAME="Debian GNU/Linux 10 (buster)"

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 : kdeconnectd
Windowmanager       : KWin
Displaymanager      : sddm
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Kernel related data:
Kernel 4.19.0-11-rt-amd64
GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=!Linux-Lenovo-NV-HDMI-Audio isolcpus=0"
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 USB Receiver
Mice  attached to USB:
Logitech, Inc. Cordless Mouse Receiver
Keyboards attached to USB:
MosArt Semiconductor Corp. Defender Office Keyboard (K7310) S Zodiak KM-9010
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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 54526172
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Command for latency test is:
su cnc -c  "latency-histogram --bbinsize 1000 --base 25000 --sbinsize 1000 --nox 2>&1 | tee -a 1601610130.lat &"

Latency testing loop started Fr Okt  2 05:42:27 CEST 2020, 
should end after Fr Okt  2 07:42:27 CEST 2020

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Swap useage: prerun: 0, running: 0

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CPU core temperatures:
Core 0: Tmin: 44.0°C, Tmax: 65.0°C, (high = +89.0°C, crit = +105.0°C)
Core 2: Tmin: 52.0°C, Tmax: 68.0°C, (high = +89.0°C, crit = +105.0°C)
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last latency data is as follows:.
 7205 secs   base min: -19.300 uS max:  20.700 uS sdev:   1.300 uS
 7205 secs  servo min: -17.500 uS max:  17.900 uS sdev:   1.400 uS