You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-17 - 20:21
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 rackdslot1.osadl.org (updated Sun May 17, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260332820,4sleep20-21swapper/208:35:172
18398997034,5cyclictest9-21ksoftirqd/012:35:000
18398996424,6cyclictest9-21ksoftirqd/011:35:220
18398996324,4cyclictest9-21ksoftirqd/009:25:240
134491610,4ptp4l0-21swapper/311:23:523
18398996028,3cyclictest9-21ksoftirqd/007:30:120
18398996024,6cyclictest9-21ksoftirqd/008:20:140
134491600,5ptp4l0-21swapper/109:10:161
18398995833,7cyclictest9-21ksoftirqd/012:09:590
18398995830,6cyclictest9-21ksoftirqd/007:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional