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2026-06-14 - 14:45
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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 rack4slot1.osadl.org (updated Sun Jun 14, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1966223620,8sleep119524-1kworker/u9:007:10:331
2846021570,3sleep30-21swapper/307:35:273
2846021570,3sleep30-21swapper/307:35:273
2846021570,3sleep30-21swapper/307:35:273
2590921400,3sleep10-21swapper/108:55:421
2590921400,3sleep10-21swapper/108:55:421
1729621370,4sleep10-21swapper/111:35:461
1729621370,4sleep10-21swapper/111:35:461
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
2572721230,3sleep125726-21/usr/sbin/munin11:45:471
157932990,3sleep00-21swapper/011:35:250
157932990,3sleep00-21swapper/011:35:250
198392980,4sleep00-21swapper/010:17:320
198392980,4sleep00-21swapper/010:17:320
43462960,3sleep10-21swapper/111:20:351
285182920,3chrt28454-21latency_hist09:05:260
285182920,3chrt28454-21latency_hist09:05:260
224372750,3sleep00-21swapper/010:20:370
224372750,3sleep00-21swapper/010:20:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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