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2026-07-28 - 04:30
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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 Tue Jul 28, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26938899380379,1cyclictest463569-21kworker/5:000:17:025
26935599380379,1cyclictest476384-21kworker/1:200:26:021
26935599380378,1cyclictest388487-21kworker/1:122:59:021
26938899379378,1cyclictest463569-21kworker/5:023:12:025
26938899379377,1cyclictest463569-21kworker/5:000:06:025
26935599379377,1cyclictest476384-21kworker/1:223:08:011
26938899378377,1cyclictest0-21swapper/523:08:025
26938899378376,2cyclictest463569-21kworker/5:023:01:025
26938899377376,1cyclictest269228-21kworker/5:119:23:025
26938899377376,1cyclictest0-21swapper/519:30:025
26935599377376,1cyclictest0-21swapper/123:01:021
26935599377375,1cyclictest563586-21kworker/1:119:30:021
26938899376375,1cyclictest463569-21kworker/5:023:35:025
26938899376375,1cyclictest463569-21kworker/5:000:34:015
26938899376375,1cyclictest269228-21kworker/5:122:41:025
26938899376375,1cyclictest0-21swapper/522:07:025
26938899376375,1cyclictest0-21swapper/500:10:025
26935599376375,1cyclictest563586-21kworker/1:119:23:021
26935599376375,1cyclictest476384-21kworker/1:200:10:021
26935599376375,1cyclictest0-21swapper/123:35:011
26935599376375,1cyclictest0-21swapper/122:41:011
26935599376375,1cyclictest0-21swapper/100:34:021
26935599375374,1cyclictest388487-21kworker/1:122:07:021
26938899374373,1cyclictest269228-21kworker/5:119:41:025
26935599374373,1cyclictest563586-21kworker/1:119:41:021
26938899373372,1cyclictest269228-21kworker/5:120:32:025
26935599373371,1cyclictest291259-21kworker/1:020:32:011
26938899372371,1cyclictest269228-21kworker/5:119:56:025
26938899372371,1cyclictest0-21swapper/520:48:025
26938899372371,1cyclictest0-21swapper/519:52:025
26935599372371,1cyclictest291259-21kworker/1:020:48:021
26935599372371,1cyclictest291259-21kworker/1:019:56:021
26935599372370,1cyclictest291259-21kworker/1:019:52:011
26938199371369,1cyclictest495847-21kworker/4:121:26:024
26936799369366,2cyclictest336395-21kworker/2:021:17:022
26936799367366,1cyclictest0-21swapper/223:27:022
26936799366365,1cyclictest0-21swapper/222:35:022
26936799366365,1cyclictest0-21swapper/222:35:022
26936799366364,1cyclictest0-21swapper/223:55:022
26936799365362,2cyclictest415155-21kworker/2:023:43:022
26936799364361,2cyclictest415155-21kworker/2:000:29:012
26936799363362,1cyclictest415155-21kworker/2:022:15:022
26936799363362,1cyclictest336395-21kworker/2:021:30:022
26936799363362,1cyclictest0-21swapper/223:19:012
26936799363361,1cyclictest377248-21kworker/2:221:49:022
26936799361359,1cyclictest0-21swapper/220:45:022
26936799361358,2cyclictest527285-21kworker/2:220:33:022
26936799360359,1cyclictest0-21swapper/200:09:022
26936799360358,2cyclictest415155-21kworker/2:022:56:022
26936799360358,1cyclictest336395-21kworker/2:021:14:022
26936799360357,2cyclictest377248-21kworker/2:222:14:022
26936799359357,1cyclictest364925-21ssh21:27:022
26936799359356,2cyclictest415155-21kworker/2:000:24:022
26936799359356,2cyclictest336395-21kworker/2:021:22:022
26936799358357,1cyclictest415155-21kworker/2:000:19:022
26936799358357,1cyclictest0-21swapper/220:35:022
26936799358356,1cyclictest415155-21kworker/2:023:14:022
26936799358356,1cyclictest415155-21kworker/2:000:13:022
26936799358356,1cyclictest0-21swapper/219:45:022
26936799357356,1cyclictest415155-21kworker/2:022:25:022
26936799357356,1cyclictest0-21swapper/219:37:022
26936799357356,1cyclictest0-21swapper/219:37:022
26936799357356,1cyclictest0-21swapper/219:13:022
26936799357355,1cyclictest527285-21kworker/2:221:03:022
26936799357355,1cyclictest0-21swapper/221:55:022
26936799356355,1cyclictest0-21swapper/219:15:022
26936799356354,1cyclictest527285-21kworker/2:220:53:022
26936799355354,1cyclictest0-21swapper/200:01:022
26936799355354,1cyclictest0-21swapper/200:01:012
26936799355353,1cyclictest527285-21kworker/2:219:59:022
26936799355353,1cyclictest527285-21kworker/2:219:34:022
26936799355353,1cyclictest336395-21kworker/2:021:36:022
26936799355352,2cyclictest527285-21kworker/2:220:22:022
26936799354353,1cyclictest527285-21kworker/2:220:15:022
26936799354352,1cyclictest527285-21kworker/2:220:41:022
26936799354352,1cyclictest415155-21kworker/2:023:05:022
26936799353352,1cyclictest527285-21kworker/2:220:59:022
26936799353352,1cyclictest0-21swapper/222:54:012
26936799353352,1cyclictest0-21swapper/221:42:012
26936799353352,1cyclictest0-21swapper/219:29:022
26936799353351,2cyclictest415155-21kworker/2:023:50:022
26936799353351,1cyclictest336395-21kworker/2:021:09:022
26936799353351,1cyclictest336395-21kworker/2:021:09:022
26936799353351,1cyclictest0-21swapper/222:40:022
26936799352351,1cyclictest415155-21kworker/2:023:02:022
26936799352350,1cyclictest0-21swapper/222:34:022
26936799350349,1cyclictest415155-21kworker/2:000:37:022
26935599350348,1cyclictest97550irq/166-enp0s3123:13:021
26936799349348,1cyclictest0-21swapper/222:08:012
26936799349348,1cyclictest0-21swapper/221:50:022
26936799349348,1cyclictest0-21swapper/200:32:022
26936799348347,1cyclictest0-21swapper/223:32:022
26936799347346,1cyclictest415155-21kworker/2:022:47:022
26936799347345,1cyclictest415155-21kworker/2:023:24:022
26936799345344,1cyclictest0-21swapper/222:02:022
26936799345344,1cyclictest0-21swapper/219:40:022
26938899344343,1cyclictest269228-21kworker/5:121:21:025
26935599344342,1cyclictest0-21swapper/121:21:011
26936799342341,1cyclictest527285-21kworker/2:220:28:022
26936799342341,1cyclictest0-21swapper/220:13:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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