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2026-07-19 - 07:21
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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 100 highest latencies:
System rackcslot6.osadl.org (updated Sun Jul 19, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114072899373371,1cyclictest0-21swapper/200:10:012
114074299372371,1cyclictest0-21swapper/422:15:014
114072899372370,1cyclictest1333399-21kworker/2:123:13:022
114072899372370,1cyclictest1333399-21kworker/2:123:13:022
114072899372370,1cyclictest0-21swapper/223:00:012
114072899371370,1cyclictest1333399-21kworker/2:122:52:022
114072899371370,1cyclictest0-21swapper/221:39:022
114072899371369,2cyclictest1308787-21kworker/2:022:49:022
114072899371369,1cyclictest1440389-21ssh00:18:012
114072899371369,1cyclictest1264831-21kworker/2:222:33:022
114072899371369,1cyclictest0-21swapper/223:20:022
114072899370368,1cyclictest1386986-21kworker/2:100:32:022
114071699370369,1cyclictest1427575-21kworker/u16:200:27:021
114071099370368,1cyclictest1941865-21kworker/0:123:38:010
114072899369368,1cyclictest1333399-21kworker/2:123:06:022
114072899368367,1cyclictest0-21swapper/223:36:022
114072899368367,1cyclictest0-21swapper/221:30:012
114072899368366,1cyclictest1386986-21kworker/2:123:40:022
114072899368366,1cyclictest1264831-21kworker/2:222:29:012
114072899368366,1cyclictest0-21swapper/223:18:022
114072899368365,2cyclictest1264831-21kworker/2:222:19:022
114074299367366,1cyclictest1406565-21kworker/4:021:47:024
114074299367366,1cyclictest1406565-21kworker/4:021:47:014
114072899367366,1cyclictest0-21swapper/222:01:022
114072899367366,1cyclictest0-21swapper/221:48:022
114072899367366,1cyclictest0-21swapper/221:48:022
114072899367366,1cyclictest0-21swapper/219:25:022
114072899366365,1cyclictest0-21swapper/221:52:022
114072899366365,1cyclictest0-21swapper/221:40:022
114072899366365,1cyclictest0-21swapper/200:28:022
114072899366365,1cyclictest0-21swapper/200:00:022
114072899366364,1cyclictest1386986-21kworker/2:123:59:022
114072899366364,1cyclictest1264831-21kworker/2:222:05:022
114074299365363,1cyclictest0-21swapper/423:25:014
114072899365364,1cyclictest1386986-21kworker/2:100:24:022
114072899365364,1cyclictest0-21swapper/222:38:022
114072899365364,1cyclictest0-21swapper/221:56:012
114072899365364,1cyclictest0-21swapper/221:19:022
114072899364363,1cyclictest1264831-21kworker/2:222:11:022
114072899364363,1cyclictest0-21swapper/222:44:022
114072899364363,1cyclictest0-21swapper/200:39:022
114072899364363,1cyclictest0-21swapper/200:39:012
114072899364362,1cyclictest0-21swapper/222:22:022
114072899364362,1cyclictest0-21swapper/220:40:022
114074299363362,1cyclictest1406565-21kworker/4:021:55:024
114072899363362,1cyclictest0-21swapper/223:50:022
114072899363362,1cyclictest0-21swapper/223:30:012
114072899363362,1cyclictest0-21swapper/219:20:022
114071699363362,1cyclictest97550irq/166-enp0s3122:03:021
114074299362361,1cyclictest0-21swapper/422:21:024
114072899362361,1cyclictest1400186-21kworker/2:219:50:012
114072899362361,1cyclictest0-21swapper/220:30:022
114074299361360,1cyclictest1406565-21kworker/4:000:03:014
114074299361359,1cyclictest1406565-21kworker/4:021:35:024
114072899361360,1cyclictest0-21swapper/220:50:022
114072899361360,1cyclictest0-21swapper/219:43:022
114071699361360,1cyclictest1259957-21kworker/1:123:31:021
114071699361359,1cyclictest97550irq/166-enp0s3123:44:021
114074299360359,1cyclictest0-21swapper/422:08:024
114074299360358,1cyclictest1406565-21kworker/4:000:13:024
114072899360359,1cyclictest1400186-21kworker/2:219:30:022
114072899360359,1cyclictest0-21swapper/221:02:022
114071699360359,1cyclictest1259957-21kworker/1:122:25:021
114071699360358,1cyclictest1259957-21kworker/1:122:17:021
114074299359358,1cyclictest1406565-21kworker/4:023:34:024
114074299359358,1cyclictest1406565-21kworker/4:021:01:024
114072899359358,1cyclictest1400186-21kworker/2:220:37:022
114072899359358,1cyclictest0-21swapper/220:46:022
114072899359358,1cyclictest0-21swapper/220:08:022
114072899359358,1cyclictest0-21swapper/220:02:022
114072899359357,1cyclictest1400186-21kworker/2:220:13:022
114072899359357,1cyclictest0-21swapper/220:26:022
114072899359357,1cyclictest0-21swapper/220:16:022
114072899359357,1cyclictest0-21swapper/219:12:022
114071699359358,1cyclictest1259957-21kworker/1:123:54:011
114071699359357,1cyclictest1259957-21kworker/1:123:01:021
114074299358357,1cyclictest1406565-21kworker/4:022:02:024
114074299358357,1cyclictest1406565-21kworker/4:021:21:014
114074299358357,1cyclictest1406565-21kworker/4:000:17:024
114074299358356,1cyclictest0-21swapper/421:12:024
114072899358357,1cyclictest1400186-21kworker/2:220:21:012
114072899358357,1cyclictest1400186-21kworker/2:220:21:012
114072899358357,1cyclictest0-21swapper/221:08:022
114071699358357,1cyclictest0-21swapper/123:55:021
114071699358355,3cyclictest1259957-21kworker/1:123:47:021
114071699358355,2cyclictest1171625-21kworker/1:221:33:021
114074299357356,1cyclictest1406565-21kworker/4:022:50:014
114074299357356,1cyclictest1406565-21kworker/4:022:40:024
114074299357356,1cyclictest1406565-21kworker/4:021:41:024
114074299357356,1cyclictest0-21swapper/423:23:024
114074299357356,1cyclictest0-21swapper/422:55:014
114074299357356,1cyclictest0-21swapper/422:32:024
114074299357356,1cyclictest0-21swapper/421:28:024
114074299357355,1cyclictest1406565-21kworker/4:022:35:024
114074299357355,1cyclictest1406565-21kworker/4:021:51:024
114071699357356,1cyclictest1418160-21kworker/1:200:09:021
114071699357356,1cyclictest1259957-21kworker/1:122:39:021
114071699357356,1cyclictest1150330-21kworker/1:119:37:021
114071699357355,2cyclictest1259957-21kworker/1:122:51:021
114071699357355,1cyclictest1418160-21kworker/1:200:20:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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