You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 09:32
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 20 highest latencies:
System rackeslot3.osadl.org (updated Tue Aug 04, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3196825996562,2cyclictest0-21swapper/119:51:381
3196825996542,21cyclictest3375063-21kworker/1:223:50:001
319682599650,64cyclictest0-21swapper/122:52:411
3196825996459,3cyclictest0-21swapper/119:30:061
3196825996459,3cyclictest0-21swapper/119:11:381
319682599640,2cyclictest0-21swapper/123:31:061
3196825996360,2cyclictest0-21swapper/119:40:241
3196825996346,16cyclictest3410743-21kworker/1:200:25:421
3196825996258,2cyclictest0-21swapper/100:02:231
3196825996245,16cyclictest3192414-21kworker/1:119:25:131
3196825996244,17cyclictest3226955-21kworker/1:220:45:151
3196825996244,16cyclictest3231210-21kworker/1:121:10:131
3196825996243,17cyclictest931259-1kworker/1:1H21:00:131
3196825996243,17cyclictest3361919-21kworker/1:023:35:161
3196825996243,17cyclictest3299034-1kworker/1:2H23:42:191
3196825996241,19cyclictest3352228-21kworker/1:023:20:131
3196825996143,16cyclictest3327739-21kworker/1:122:55:011
3196825996143,16cyclictest3315497-21kworker/1:022:40:001
3196825996142,17cyclictest931259-1kworker/1:1H19:35:141
3196825996142,17cyclictest3404536-21kworker/1:000:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional