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2026-09-10 - 16:45
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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 Thu Sep 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285021820,5sleep12734999cyclictest11:00:451
1068911250,8ptp4l25023-21kworker/3:209:38:013
108532860,2sleep00-21swapper/012:02:310
306082670,1sleep20-21swapper/214:01:132
270312654,9sleep00-21swapper/009:37:490
147742630,2sleep10-21swapper/114:19:431
279872620,2sleep00-21swapper/015:05:510
279872620,2sleep00-21swapper/015:05:510
27349996154,3cyclictest25-21ksoftirqd/114:45:411
27349995750,4cyclictest25-21ksoftirqd/113:45:421
27349995649,3cyclictest25-21ksoftirqd/109:50:371
27349995649,3cyclictest25-21ksoftirqd/109:50:371
27349995649,3cyclictest25-21ksoftirqd/109:45:361
27349995649,3cyclictest25-21ksoftirqd/109:45:361
27349995346,4cyclictest25-21ksoftirqd/113:10:401
152422530,1sleep215244-21rm13:45:512
2736399528,12cyclictest31193-21awk10:50:543
27349994941,4cyclictest25-21ksoftirqd/111:20:401
27349994841,3cyclictest25-21ksoftirqd/110:25:371
2736399471,13cyclictest25268-21sed13:55:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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