You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-08 - 17:59
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 rackeslot8.osadl.org (updated Thu Jan 08, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3852780992422,1cyclictest0-21swapper/308:50:003
3852780992421,1cyclictest0-21swapper/311:20:223
3852780992420,2cyclictest61409-21turbostat12:35:013
3852780992220,1cyclictest0-21swapper/311:05:133
385278099211,15cyclictest3990998-21chrt09:00:013
385278099203,13cyclictest4139448-21turbostat11:05:003
3852780992017,1cyclictest0-21swapper/309:05:113
3852780992017,1cyclictest0-21swapper/308:40:013
385278099200,17cyclictest3906366-21turbostat07:50:013
3852780991916,1cyclictest0-21swapper/309:25:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional