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2026-06-25 - 12:41
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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 Thu Jun 25, 2026 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78344599367365,1cyclictest954384-21kworker/0:223:44:010
78344599366364,1cyclictest0-21swapper/022:16:020
78344599365364,1cyclictest893139-21kworker/0:022:24:020
78344599365364,1cyclictest798554-21kworker/0:021:16:020
78344599364363,1cyclictest874370-21kworker/0:221:41:020
78344599364363,1cyclictest874370-21kworker/0:221:31:010
78344599364362,1cyclictest0-21swapper/000:11:010
78344599363362,1cyclictest954384-21kworker/0:200:05:020
78344599363362,1cyclictest893139-21kworker/0:021:54:010
78344599363362,1cyclictest0-21swapper/023:59:010
78344599363362,1cyclictest0-21swapper/022:40:010
78344599362361,1cyclictest0-21swapper/023:09:020
78344599362360,1cyclictest954384-21kworker/0:222:45:020
78344599361360,1cyclictest798554-21kworker/0:020:47:020
78344599361360,1cyclictest0-21swapper/023:52:010
78344599361360,1cyclictest0-21swapper/022:51:010
78344599361360,1cyclictest0-21swapper/020:15:010
78344599361360,1cyclictest0-21swapper/000:38:010
78344599361359,1cyclictest954384-21kworker/0:223:11:020
78344599361359,1cyclictest0-21swapper/023:27:020
78344599361359,1cyclictest0-21swapper/021:01:010
78344599360359,1cyclictest874370-21kworker/0:221:26:020
78344599360359,1cyclictest0-21swapper/022:31:020
78344599360359,1cyclictest0-21swapper/022:05:020
78344599360359,1cyclictest0-21swapper/021:38:010
78344599360359,1cyclictest0-21swapper/019:35:020
78344599360358,1cyclictest0-21swapper/000:00:020
78344599359358,1cyclictest954384-21kworker/0:223:18:010
78344599359358,1cyclictest893139-21kworker/0:021:56:010
78344599359358,1cyclictest0-21swapper/022:26:010
78344599359357,1cyclictest798554-21kworker/0:020:30:020
78344599359356,2cyclictest0-21swapper/023:47:010
78344599358357,1cyclictest954384-21kworker/0:200:31:020
78344599358357,1cyclictest954384-21kworker/0:200:31:020
78344599358357,1cyclictest954384-21kworker/0:200:19:010
78344599358357,1cyclictest893139-21kworker/0:022:10:020
78344599358357,1cyclictest893139-21kworker/0:022:04:020
78344599358357,1cyclictest0-21swapper/021:45:020
78344599358357,1cyclictest0-21swapper/021:45:020
78344599358356,1cyclictest0-21swapper/019:25:010
78344599357356,1cyclictest954384-21kworker/0:222:38:020
78344599357356,1cyclictest798554-21kworker/0:020:00:020
78344599357356,1cyclictest0-21swapper/023:00:020
78344599357356,1cyclictest0-21swapper/021:09:010
78344599357356,1cyclictest0-21swapper/020:40:020
78344599355354,1cyclictest954384-21kworker/0:200:28:020
78344599355354,1cyclictest798554-21kworker/0:020:24:020
78344599355354,1cyclictest0-21swapper/022:59:010
78344599355354,1cyclictest0-21swapper/021:11:010
78344599355354,1cyclictest0-21swapper/020:38:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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