You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-24 - 01:24
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 Tue Mar 24, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1648123727,0sleep30-21swapper/319:17:373
1634723727,0sleep10-21swapper/119:16:031
963223625,0sleep00-21swapper/019:13:340
962923425,0sleep20-21swapper/219:13:322
339970,0migration/318779-21kthreadcore00:18:443
339960,0migration/3639-21sh23:12:513
339960,0migration/34189-21sh22:34:583
339960,0migration/313309-21sh23:57:213
339960,0migration/313298-21latency00:13:463
329960,0watchdog/310381-21kthreadcore20:18:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional