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2026-06-24 - 23:24
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Wed Jun 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3006121870,5sleep12448599cyclictest13:20:141
2412521600,5sleep02448399cyclictest14:19:510
832521480,4sleep02448399cyclictest14:03:010
1068911350,8ptp4l10373-21kworker/3:108:55:313
91232790,2sleep00-21swapper/009:27:510
241022735,10sleep00-21swapper/008:53:460
106891650,1ptp4l401ktimersoftd/312:52:273
106891650,1ptp4l401ktimersoftd/311:17:383
106891650,1ptp4l401ktimersoftd/311:17:383
24496996356,3cyclictest41-21ksoftirqd/313:32:393
24496996255,3cyclictest41-21ksoftirqd/311:27:363
261292610,2sleep10-21swapper/112:10:321
24496996152,4cyclictest41-21ksoftirqd/309:57:353
24496995951,4cyclictest41-21ksoftirqd/310:22:363
24496995950,5cyclictest41-21ksoftirqd/312:52:393
229992590,2sleep30-21swapper/311:02:253
24496995750,3cyclictest41-21ksoftirqd/309:27:363
106891560,1ptp4l401ktimersoftd/312:58:283
106891550,1ptp4l401ktimersoftd/309:06:133
24496995139,5cyclictest41-21ksoftirqd/309:07:323
24496995126,4cyclictest41-21ksoftirqd/310:12:533
24496994935,7cyclictest41-21ksoftirqd/309:12:333
24496994839,4cyclictest41-21ksoftirqd/309:32:333
24492994835,6cyclictest33-21ksoftirqd/212:37:392
24496994736,5cyclictest41-21ksoftirqd/311:12:343
24496994734,6cyclictest41-21ksoftirqd/310:47:343
24496994633,6cyclictest41-21ksoftirqd/309:52:373
242442444,29sleep10-21swapper/108:55:371
24496994323,3cyclictest41-21ksoftirqd/309:22:383
2419324324,8sleep20-21swapper/208:54:572
24496994230,6cyclictest41-21ksoftirqd/310:07:353
24496994016,3cyclictest41-21ksoftirqd/314:17:583
2448599400,4cyclictest29494-21ssh11:41:161
106891400,1ptp4l401ktimersoftd/313:06:073
24496993927,9cyclictest41-21ksoftirqd/311:47:263
24485993915,21cyclictest16165-21grep11:27:401
106891390,1ptp4l401ktimersoftd/314:06:183
106891390,1ptp4l401ktimersoftd/313:28:183
106891390,1ptp4l401ktimersoftd/311:35:313
106891390,1ptp4l401ktimersoftd/311:35:313
24496993828,4cyclictest41-21ksoftirqd/309:47:343
24496993828,4cyclictest41-21ksoftirqd/309:47:343
24496993827,9cyclictest41-21ksoftirqd/314:12:573
24485993817,18cyclictest25-21ksoftirqd/110:34:571
24485993813,3cyclictest31631-21sh12:48:081
106891380,1ptp4l401ktimersoftd/314:09:233
106891380,1ptp4l401ktimersoftd/313:58:403
106891380,1ptp4l401ktimersoftd/313:56:003
106891380,1ptp4l401ktimersoftd/313:50:163
106891380,1ptp4l401ktimersoftd/313:17:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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