You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-27 - 09:01
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
Characteristics of the 20 highest latencies:
System rackdslot3.osadl.org (updated Thu Aug 27, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491231170,49phc2sys0-21swapper/319:09:133
218062229169,49sleep20-21swapper/219:09:002
217262226198,18sleep10-21swapper/119:07:591
215982201168,22sleep00-21swapper/019:06:160
3246321490,6sleep22232099cyclictest22:50:242
648121370,5sleep02231899cyclictest00:10:260
37662550,1sleep10-21swapper/119:35:271
139391510,1ptp4l401ktimersoftd/323:50:473
139391510,1ptp4l401ktimersoftd/300:23:183
139391510,1ptp4l401ktimersoftd/300:23:183
21582500,2sleep10-21swapper/100:05:011
139391440,0ptp4l401ktimersoftd/322:15:133
22318994338,3cyclictest9189-21latency_hist22:05:000
139391430,1ptp4l401ktimersoftd/322:45:343
139391430,0ptp4l401ktimersoftd/323:44:383
139391430,0ptp4l401ktimersoftd/319:43:483
22318994237,3cyclictest9-21ksoftirqd/020:00:000
139391420,0ptp4l401ktimersoftd/323:15:253
139391420,0ptp4l401ktimersoftd/323:15:253
22318994135,4cyclictest32019-21cron21:45:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional