You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-11 - 05:44
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 Jan 11, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1184923927,0sleep20-21swapper/219:11:562
1176023626,0sleep30-21swapper/319:10:533
1163423420,0sleep00-21swapper/019:09:260
1158123425,0sleep10-21swapper/119:08:471
11962991616,0cyclictest4630-21sensors22:12:501
339960,0migration/3479-21sh21:32:583
339960,0migration/33182-21sh21:54:073
339960,0migration/324492-21sh22:07:443
339960,0migration/31777-21munin-node22:32:433
339960,0migration/316720-21sh23:55:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional