You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-10 - 09:34
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot3.osadl.org (updated Tue Mar 10, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3502458996550,4cyclictest695910-1kworker/0:1H21:35:160
3502462996146,14cyclictest3534429-21kworker/1:221:10:171
3502462996057,2cyclictest0-21swapper/119:53:181
3502462996043,16cyclictest3659054-21kworker/1:323:40:141
3502462996043,16cyclictest3612923-21kworker/1:322:40:121
3502462996043,16cyclictest3604524-21kworker/1:122:27:301
3502462996043,16cyclictest3567778-21kworker/1:122:07:261
3502462996043,16cyclictest3534429-21kworker/1:221:04:541
3502462996043,16cyclictest3534429-21kworker/1:220:55:011
3502462995943,15cyclictest3594369-21kworker/1:022:37:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional