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2026-05-18 - 07:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Mon May 18, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81999455827,0cyclictest1832-21ls00:01:050
8199929532820,0cyclictest0-21swapper23:01:060
819992623224,0cyclictest3450-1kworker/0:1H00:01:100
819992581257,0cyclictest3450-1kworker/0:1H20:01:100
819992527235,0cyclictest3450-1kworker/0:1H00:26:090
819992518260,0cyclictest3450-1kworker/0:1H19:01:090
819992340296,0cyclictest3450-1kworker/0:1H21:26:110
819992333230,0cyclictest3450-1kworker/0:1H21:16:100
819992333183,0cyclictest3450-1kworker/0:1H20:46:100
819992316280,0cyclictest3450-1kworker/0:1H20:36:110
819992280259,0cyclictest3450-1kworker/0:1H20:41:100
819992258267,0cyclictest3450-1kworker/0:1H20:56:100
819992223652,0cyclictest22139-21latency_hist20:06:100
819992212250,0cyclictest3450-1kworker/0:1H22:16:100
819992206659,0cyclictest9-21ksoftirqd/019:06:110
819992204217,0cyclictest3450-1kworker/0:1H19:36:100
819992203230,0cyclictest3450-1kworker/0:1H21:41:100
819992193737,0cyclictest9-21ksoftirqd/019:46:110
819992193268,0cyclictest3450-1kworker/0:1H20:26:110
819992175275,0cyclictest3450-1kworker/0:1H23:46:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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