You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-25 - 09:39
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack0slot5.osadl.org (updated Thu Jun 25, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4628999952910,518cyclictest0-21swapper/421:32:5610
46293899524522,2cyclictest597268-21kworker/13:1+i915-unordered21:38:565
46292999509479,30cyclictest0-21swapper/1122:48:563
46292999509479,30cyclictest0-21swapper/1122:48:563
46293399501500,1cyclictest562909-21kworker/12:0+i915-unordered21:13:564
4628859949414,58cyclictest0-21swapper/023:36:400
46293899483453,30cyclictest0-21swapper/1322:05:565
46290499481479,2cyclictest0-21swapper/521:38:5611
46289199476476,0cyclictest0-21swapper/219:13:578
46289199476475,1cyclictest0-21swapper/221:04:568
4628859947529,28cyclictest528548-21perf20:26:520
4628859947527,447cyclictest16-21ksoftirqd/019:49:560
4629189947426,30cyclictest0-21swapper/921:35:1715
46292399473472,1cyclictest0-21swapper/1019:35:572
4629189947327,29cyclictest0-21swapper/919:36:4115
4629189947327,28cyclictest0-21swapper/923:48:4015
4629049947324,29cyclictest0-21swapper/520:28:1811
46293399472442,30cyclictest0-21swapper/1221:08:564
462946994718,462cyclictest0-21swapper/1520:43:567
4629049947125,30cyclictest0-21swapper/500:22:4011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional