You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-15 - 15:53
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 Tue Sep 15, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491235169,23phc2sys0-21swapper/307:06:153
150582203171,21sleep20-21swapper/207:07:262
131342202170,21sleep10-21swapper/107:05:081
149642197164,22sleep00-21swapper/007:06:110
2747021340,4sleep01555899cyclictest12:05:130
139391710,1ptp4l391rcuc/308:55:273
15558995652,2cyclictest9-21ksoftirqd/012:04:590
15558995323,3cyclictest9-21ksoftirqd/011:35:220
15558995222,4cyclictest9-21ksoftirqd/011:50:000
15558995143,4cyclictest27271-21ls07:35:010
15558994918,4cyclictest9-21ksoftirqd/011:25:250
15558994918,3cyclictest9-21ksoftirqd/007:55:280
1556199482,17cyclictest12236-21df_abs10:25:143
1555899489,4cyclictest9-21ksoftirqd/010:58:030
1556199471,16cyclictest7473-21df_abs10:15:143
1556199471,16cyclictest7473-21df_abs10:15:133
15558994719,7cyclictest9-21ksoftirqd/008:20:000
15558994719,4cyclictest9-21ksoftirqd/011:59:590
15558994719,4cyclictest9-21ksoftirqd/010:50:170
15558994715,6cyclictest9-21ksoftirqd/007:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional