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2026-07-05 - 07:18
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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 rackfslot7.osadl.org (updated Sun Jul 05, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285478899856,79cyclictest0-21swapper/023:00:170
2854791997131,19cyclictest0-21swapper/300:25:023
285479199580,38cyclictest0-21swapper/319:41:443
2854788995435,19cyclictest0-21swapper/020:35:150
2854789995214,19cyclictest0-21swapper/121:40:161
2854791995133,18cyclictest0-21swapper/322:46:313
2854791995132,19cyclictest0-21swapper/322:16:263
2854791995031,0cyclictest0-21swapper/320:59:383
2854788995011,39cyclictest0-21swapper/021:40:160
285479499489,39cyclictest0-21swapper/621:40:166
2854793994829,19cyclictest0-21swapper/522:35:155
285479399479,19cyclictest0-21swapper/520:45:155
285479399478,19cyclictest0-21swapper/523:30:165
285478899446,19cyclictest0-21swapper/020:10:170
285479399434,39cyclictest0-21swapper/521:55:165
285479399424,19cyclictest0-21swapper/521:45:165
2854794994141,0cyclictest0-21swapper/619:14:506
285479399413,19cyclictest0-21swapper/519:55:175
285479199400,39cyclictest0-21swapper/320:09:263
285479199400,21cyclictest2968889-21awk22:35:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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