You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-03 - 06:02
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 rackdslot0.osadl.org (updated Mon Aug 03, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2728099252,18cyclictest0-21swapper/000:40:000
27280992314,8cyclictest0-21swapper/021:15:130
2729099221,20cyclictest0-21swapper/221:07:012
2729099220,18cyclictest0-21swapper/222:42:322
27284992219,2cyclictest1856-21systemd-udevd22:40:521
2728499220,18cyclictest0-21swapper/120:23:271
2729099214,2cyclictest3987-21H222:10:212
27290992117,3cyclictest3976-21H222:10:212
27290992114,6cyclictest0-21swapper/223:55:052
2728499216,1cyclictest21-21ksoftirqd/120:10:111
2729099204,15cyclictest0-21swapper/220:18:082
2729099204,15cyclictest0-21swapper/219:28:022
27290992012,7cyclictest843-21systemd-network23:02:012
2728099204,15cyclictest9-21ksoftirqd/020:57:500
2729099192,16cyclictest999-21cut21:15:012
27290991917,1cyclictest3983-21H222:10:212
27290991914,3cyclictest825-21nfsd422:10:172
27290991912,3cyclictest0-21swapper/222:05:142
2729099190,2cyclictest3987-21H222:10:212
2729099190,18cyclictest3976-21H222:10:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional