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2026-07-20 - 21:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Mon Jul 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2419121810,5sleep1997899cyclictest14:17:131
1700021560,3sleep2998499cyclictest11:57:152
1684921520,4sleep0997399cyclictest10:31:570
1068911080,39ptp4l401ktimersoftd/309:10:243
7332750,2sleep20-21swapper/213:53:302
178652670,4sleep1997899cyclictest13:05:031
74082660,4sleep17406-21latency_hist12:21:471
105791630,4getstats999099cyclictest09:30:133
97992624,10sleep20-21swapper/209:10:462
9973995619,7cyclictest9-21ksoftirqd/012:21:190
174532550,2sleep00-21swapper/012:31:490
9973995423,9cyclictest9-21ksoftirqd/009:36:590
97852544,39sleep00-21swapper/009:10:360
9990995221,9cyclictest41-21ksoftirqd/311:39:033
9990995221,9cyclictest41-21ksoftirqd/311:39:033
9973995225,9cyclictest9-21ksoftirqd/013:07:100
321382520,2sleep10-21swapper/113:52:161
999099517,9cyclictest41-21ksoftirqd/310:12:133
999099516,10cyclictest41-21ksoftirqd/311:32:093
999099516,10cyclictest41-21ksoftirqd/311:32:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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