You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-08 - 12:07
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 Fri May 08, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2730725142,0sleep10-21swapper/119:19:091
2737524939,0sleep20-21swapper/219:19:542
2728723625,0sleep30-21swapper/319:18:553
2062523624,0sleep00-21swapper/019:17:160
27633991010,0cyclictest3571-21lldpd19:34:271
276329976,0cyclictest6952-21munin-node21:22:240
4160,0ktimersoftd/00-21swapper/019:27:350
339960,0migration/39386-21sh21:41:103
339960,0migration/328248-21sh22:08:473
339960,0migration/313967-21fschecks_time00:32:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional