You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-15 - 12:15
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 Wed Apr 15, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491640,3ptp4l31333-21apt00:20:002
134491630,17ptp4l20345-21processes21:35:252
16262996233,4cyclictest9-21ksoftirqd/021:45:010
16262996229,6cyclictest9-21ksoftirqd/022:45:250
16262996229,5cyclictest9-21ksoftirqd/022:15:000
134491620,6ptp4l0-21swapper/219:06:152
134491620,4ptp4l16459-21timerwakeupswit22:35:271
134491620,4ptp4l0-21swapper/323:30:213
16262996131,4cyclictest9-21ksoftirqd/000:30:140
16262996032,6cyclictest9-21ksoftirqd/022:40:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional