You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-11 - 16:09
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 10 highest latencies:
System rackcslot6.osadl.org (updated Wed Mar 11, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33083324160,5sleep121-21ksoftirqd/107:05:141
33325399364362,1cyclictest627680-21kworker/2:207:20:022
33325399363362,1cyclictest0-21swapper/212:35:012
33325399362361,1cyclictest394259-21kworker/2:208:55:012
33325399362361,1cyclictest385205-21kworker/2:008:35:022
33325399362360,1cyclictest0-21swapper/212:31:012
33328299361359,1cyclictest382198-21kworker/6:208:51:026
33325399361360,1cyclictest361142-21kworker/2:107:55:022
33325399361360,1cyclictest0-21swapper/208:50:012
33325399361360,1cyclictest0-21swapper/208:04:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional