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2026-03-14 - 00:18
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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 Fri Mar 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2777621560,4sleep12169599cyclictest09:15:511
1068911080,4ptp4l401ktimersoftd/307:59:403
106891700,1ptp4l401ktimersoftd/309:43:583
108442650,3sleep09-21ksoftirqd/010:27:410
21703996349,7cyclictest33-21ksoftirqd/209:20:352
215222634,10sleep00-21swapper/007:59:390
21703995442,5cyclictest33-21ksoftirqd/213:15:432
14872540,1sleep30-21swapper/311:25:173
298462520,2sleep30-21swapper/310:46:433
218592510,2sleep00-21swapper/010:39:450
21690995044,3cyclictest9-21ksoftirqd/010:15:380
21690994842,3cyclictest9-21ksoftirqd/013:20:420
21690994841,4cyclictest9-21ksoftirqd/011:25:390
21690994841,4cyclictest9-21ksoftirqd/008:35:350
22042470,2sleep32205-21rm10:19:373
21690994741,3cyclictest9-21ksoftirqd/011:10:380
21690994740,3cyclictest9-21ksoftirqd/008:40:340
21708994520,5cyclictest11899-21cat13:15:313
21703994532,6cyclictest33-21ksoftirqd/209:30:362
21690994540,3cyclictest9-21ksoftirqd/010:05:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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