You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-08 - 21:06
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 rackdslot4.osadl.org (updated Tue Sep 08, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591203169,23phc2sys0-21swapper/307:05:293
211612202169,22sleep00-21swapper/007:07:170
211622201169,22sleep10-21swapper/107:07:181
211582199166,22sleep20-21swapper/207:07:152
21671997528,5cyclictest9-21ksoftirqd/011:20:230
21671997025,5cyclictest9-21ksoftirqd/007:10:260
21671996926,4cyclictest9-21ksoftirqd/007:45:180
21674996730,6cyclictest41-21ksoftirqd/309:55:003
21671996731,4cyclictest9-21ksoftirqd/008:59:590
21671996627,4cyclictest9-21ksoftirqd/011:10:170
21671996522,5cyclictest9-21ksoftirqd/009:35:170
2167399646,19cyclictest6107-21awk08:45:292
165402640,2sleep10-21swapper/112:25:111
21674996331,4cyclictest41-21ksoftirqd/309:05:003
21671996320,5cyclictest9-21ksoftirqd/010:15:230
21674996229,8cyclictest41-21ksoftirqd/309:40:003
2167399625,16cyclictest29879-21cut10:40:192
2167399625,12cyclictest765-21ls11:50:242
2167399625,12cyclictest2081-21cstates08:40:152
237792610,3sleep223739-21apt-get12:40:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional