You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-12 - 08:12
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 rackdslot2.osadl.org (updated Fri Dec 12, 2025 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165012228163,22sleep10-21swapper/119:09:301
136691208174,23phc2sys0-21swapper/319:07:263
165072205171,23sleep00-21swapper/019:09:340
165092204170,23sleep20-21swapper/219:09:362
165412147121,15sleep30-21swapper/319:10:003
136591750,1ptp4l391rcuc/319:45:273
16836996326,8cyclictest41-21ksoftirqd/300:25:303
304722580,1sleep30-21swapper/319:35:283
16836995826,10cyclictest41-21ksoftirqd/321:25:253
16836995825,8cyclictest41-21ksoftirqd/300:00:003
16836995821,8cyclictest41-21ksoftirqd/321:40:293
16836995724,8cyclictest41-21ksoftirqd/320:15:203
16833995725,7cyclictest9-21ksoftirqd/019:50:190
16833995725,6cyclictest9-21ksoftirqd/022:50:250
16833995725,6cyclictest9-21ksoftirqd/022:50:250
16833995624,8cyclictest9-21ksoftirqd/021:15:210
16833995624,8cyclictest9-21ksoftirqd/021:15:210
16836995525,10cyclictest41-21ksoftirqd/321:50:013
16836995524,4cyclictest41-21ksoftirqd/323:10:273
16836995523,7cyclictest41-21ksoftirqd/321:10:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional