You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-23 - 22:36
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 rack1slot2.osadl.org (updated Sun Aug 23, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2624826665,0sleep00-21swapper/007:30:400
2600725453,0sleep10-21swapper/107:27:531
2593724738,0sleep20-21swapper/207:27:062
2597523727,0sleep30-21swapper/307:27:353
263399970,0cyclictest0-21swapper/112:40:231
263399970,0cyclictest0-21swapper/110:48:361
339960,0migration/38123-21sh11:24:063
339960,0migration/330409-21munin-node12:16:093
339960,0migration/329458-21sh12:15:373
339960,0migration/326880-21switchtime10:36:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional