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2026-04-20 - 15:14
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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 Apr 20, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1960224050,4sleep10-21swapper/108:16:391
1068911790,5ptp4l401ktimersoftd/308:18:293
2861421620,4sleep02158799cyclictest08:31:500
687321580,5sleep12159399cyclictest10:01:521
871121570,5sleep32160899cyclictest11:20:513
66402650,5sleep12159399cyclictest13:31:451
142802640,2sleep30-21swapper/311:59:053
146002610,2sleep10-21swapper/113:39:401
41472590,2sleep10-21swapper/112:56:281
106891590,1ptp4l401ktimersoftd/312:16:453
264652570,5sleep22159799cyclictest13:18:052
114382570,2sleep30-21swapper/312:29:563
2159799561,13cyclictest5614-21latency12:56:512
2159799553,19cyclictest11689-21ssh12:30:222
78942540,2sleep10-21swapper/110:46:441
224622540,2sleep20-21swapper/209:26:562
106891540,1ptp4l401ktimersoftd/309:11:533
21608995340,6cyclictest41-21ksoftirqd/309:21:383
2159799533,18cyclictest14716-21diskmemload13:25:142
2159799531,13cyclictest19751-21fschecks_time11:31:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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