You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-16 - 08:37
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rackdslot0.osadl.org (updated Mon Jul 15, 2024 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267799428427,1cyclictest3805-21kworker/u16:208:34:430
268799417416,1cyclictest0-21swapper/207:29:032
268799396392,4cyclictest0-21swapper/212:22:022
268799394392,0cyclictest0-21swapper/211:18:022
268799384382,2cyclictest0-21swapper/210:41:022
268799379377,2cyclictest0-21swapper/208:33:032
268799375375,0cyclictest0-21swapper/211:45:012
267799323321,2cyclictest0-21swapper/007:29:030
268299312311,1cyclictest542-21kworker/1:107:29:021
268299299297,1cyclictest0-21swapper/107:20:581
267799298298,0cyclictest0-21swapper/011:18:010
268299289288,1cyclictest18655-21kworker/1:012:22:021
268299288287,1cyclictest16557-21kworker/1:211:18:021
268799286281,4cyclictest20271-21gnome-shell09:21:592
2682992860,285cyclictest0-21swapper/111:03:591
268799285280,4cyclictest20271-21gnome-shell12:04:592
268799284279,4cyclictest20271-21gnome-shell09:03:592
268799283278,4cyclictest20271-21gnome-shell11:05:592
268799283277,5cyclictest20271-21gnome-shell07:14:002
267799283281,1cyclictest20271-21gnome-shell10:57:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional