You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 07:39
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 Fri Apr 24, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2583728997032,37cyclictest4118604-1kworker/1:1H23:31:331
2583728996246,14cyclictest4118604-1kworker/1:1H00:33:031
2583728996243,18cyclictest2748234-21kworker/1:223:49:281
258372899620,61cyclictest0-21swapper/100:19:071
2583728996158,2cyclictest0-21swapper/123:23:591
2583728996144,16cyclictest2698728-21kworker/1:123:15:291
2583728996138,21cyclictest2603107-21kworker/1:020:10:141
2583728996044,15cyclictest2752567-21kworker/1:100:00:001
2583728996041,18cyclictest2780495-21kworker/1:100:25:141
2583728995944,14cyclictest4118604-1kworker/1:1H22:32:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional