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2026-03-27 - 23:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Fri Mar 27, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199862099380379,1cyclictest0-21swapper/708:05:027
1998620993800,1cyclictest0-21swapper/711:27:017
1998620993800,1cyclictest0-21swapper/711:27:017
199862099377376,1cyclictest0-21swapper/710:45:027
199862099377376,1cyclictest0-21swapper/709:37:027
199862099375373,1cyclictest0-21swapper/712:37:027
199862099372371,1cyclictest0-21swapper/708:17:017
199862099371369,1cyclictest0-21swapper/707:50:017
199862099370368,1cyclictest0-21swapper/712:09:027
199862099369368,1cyclictest0-21swapper/709:27:017
199862099365364,1cyclictest0-21swapper/709:58:027
199862099365364,1cyclictest0-21swapper/709:58:017
199862099365363,1cyclictest2023347-21kworker/7:108:53:027
199862099365363,1cyclictest0-21swapper/707:10:027
199862099364363,1cyclictest2065411-21kworker/7:211:01:027
199862099364363,1cyclictest2065411-21kworker/7:210:09:027
199862099363361,1cyclictest2065411-21kworker/7:212:01:027
199862099362361,1cyclictest2065411-21kworker/7:210:13:027
199862099362360,1cyclictest2065411-21kworker/7:211:23:017
199862099362360,1cyclictest2065411-21kworker/7:210:31:027
199862099362360,1cyclictest2011152-21kworker/7:207:41:027
199862099361359,1cyclictest2065411-21kworker/7:212:17:017
199862099361359,1cyclictest2065411-21kworker/7:209:51:017
199862099361359,1cyclictest2023347-21kworker/7:108:11:017
199862099361359,1cyclictest1995446-21kworker/7:007:23:027
199862099359357,1cyclictest2065411-21kworker/7:211:19:027
199862099358355,2cyclictest63-21ksoftirqd/710:37:027
199862099357356,1cyclictest0-21swapper/707:27:027
199862099355354,1cyclictest0-21swapper/712:24:017
199862099355354,1cyclictest0-21swapper/711:48:027
199862099355354,1cyclictest0-21swapper/710:57:027
199862099355354,1cyclictest0-21swapper/709:41:027
199862099355354,1cyclictest0-21swapper/708:00:017
199862099355354,1cyclictest0-21swapper/707:35:027
199862099355353,1cyclictest2065411-21kworker/7:211:14:027
199862099355352,2cyclictest2065411-21kworker/7:211:55:017
199862099354353,1cyclictest0-21swapper/710:28:017
199862099354353,1cyclictest0-21swapper/710:23:027
199862099354353,1cyclictest0-21swapper/710:18:017
199862099354353,1cyclictest0-21swapper/708:46:027
199862099354353,1cyclictest0-21swapper/708:29:017
199862099354353,1cyclictest0-21swapper/708:29:017
199862099354352,1cyclictest2065411-21kworker/7:212:28:017
199862099354352,1cyclictest2065411-21kworker/7:209:10:027
199862099353352,1cyclictest2065411-21kworker/7:211:05:027
199862099353352,1cyclictest0-21swapper/710:53:027
199862099353352,1cyclictest0-21swapper/710:03:027
199862099353352,1cyclictest0-21swapper/708:24:017
199862099352351,1cyclictest2065411-21kworker/7:212:33:027
199862099352351,1cyclictest2065411-21kworker/7:209:45:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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