You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-19 - 19:44
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 rackeslot3.osadl.org (updated Fri Dec 19, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2208846996943,24cyclictest2186827-1kworker/1:2H11:20:011
2208846996646,19cyclictest2278253-21kworker/1:110:50:141
2208846996646,19cyclictest2278253-21kworker/1:110:50:131
2208846996460,2cyclictest0-21swapper/108:47:171
220884699641,61cyclictest0-21swapper/109:04:391
220884699641,2cyclictest0-21swapper/112:25:061
220884699640,62cyclictest0-21swapper/111:20:171
2208846996243,18cyclictest2300599-21kworker/1:212:10:141
2208846996243,18cyclictest2270911-21kworker/1:010:30:161
2208846996242,19cyclictest2300599-21kworker/1:212:00:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional