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2026-03-23 - 06:12
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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 Mon Mar 23, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33955399366365,1cyclictest529064-21kworker/6:200:19:026
33955399365362,2cyclictest0-21swapper/621:32:026
33955399362361,1cyclictest0-21swapper/622:09:026
33955399362359,2cyclictest0-21swapper/622:32:026
33955399362358,3cyclictest0-21swapper/600:32:026
33955399361358,2cyclictest0-21swapper/623:00:026
33955399360359,1cyclictest529064-21kworker/6:223:54:036
33955399360359,1cyclictest0-21swapper/623:39:026
33955399360359,1cyclictest0-21swapper/623:16:036
33955399360358,1cyclictest0-21swapper/623:40:026
33955399360358,1cyclictest0-21swapper/622:47:026
33955399359358,1cyclictest0-21swapper/622:42:036
33955399359358,1cyclictest0-21swapper/621:46:026
33955399359358,1cyclictest0-21swapper/619:55:026
33955399358357,1cyclictest0-21swapper/622:59:036
33955399358357,1cyclictest0-21swapper/622:50:036
33955399358357,1cyclictest0-21swapper/622:01:026
33955399358357,1cyclictest0-21swapper/621:17:036
33955399358356,1cyclictest97550irq/166-enp0s3100:28:026
33955399357356,1cyclictest0-21swapper/623:48:036
33955399357355,1cyclictest0-21swapper/622:37:026
33955399357355,1cyclictest0-21swapper/621:42:026
33955399356355,1cyclictest0-21swapper/622:26:036
33955399356353,3cyclictest466535-21kworker/6:022:18:026
33955399356353,2cyclictest97550irq/166-enp0s3100:02:026
33955399355354,1cyclictest639226-21kworker/6:100:37:026
33955399355354,1cyclictest639226-21kworker/6:100:37:026
33955399355354,1cyclictest529064-21kworker/6:223:26:026
33955399355354,1cyclictest435154-21kworker/6:221:35:026
33955399355353,2cyclictest97550irq/166-enp0s3100:22:036
33955399355353,1cyclictest342469-21kworker/6:220:20:026
33955399355353,1cyclictest342469-21kworker/6:220:12:026
33955399355353,1cyclictest0-21swapper/620:44:026
33955399354353,1cyclictest382477-21kworker/6:020:30:026
33955399354353,1cyclictest342469-21kworker/6:219:40:026
33955399354352,1cyclictest0-21swapper/620:35:026
33955399353352,1cyclictest382477-21kworker/6:021:01:026
33955399353351,1cyclictest0-21swapper/619:31:026
33955399352351,1cyclictest529064-21kworker/6:223:55:026
33955399352351,1cyclictest0-21swapper/621:55:026
33955399351350,1cyclictest342469-21kworker/6:219:35:016
33955399351350,1cyclictest0-21swapper/620:46:026
33955399350349,1cyclictest0-21swapper/620:03:026
33955399350349,1cyclictest0-21swapper/619:54:036
33955399350349,1cyclictest0-21swapper/619:12:016
33955399349348,1cyclictest382477-21kworker/6:020:26:036
33955399349348,1cyclictest382477-21kworker/6:020:26:026
33950899335334,1cyclictest0-21swapper/019:45:020
33953299313311,2cyclictest625531-21kworker/3:300:27:023
33953299313310,2cyclictest0-21swapper/321:53:033
33953299312310,1cyclictest409559-21kworker/3:123:35:023
33953299312310,1cyclictest409559-21kworker/3:122:14:033
33953299312309,2cyclictest0-21swapper/322:32:023
33953299311310,1cyclictest0-21swapper/323:25:023
33953299310309,1cyclictest0-21swapper/322:43:033
33953299310309,1cyclictest0-21swapper/322:20:033
33953299310309,1cyclictest0-21swapper/300:24:033
33953299310309,1cyclictest0-21swapper/300:07:023
33953299309308,1cyclictest409559-21kworker/3:121:59:023
33953299309308,1cyclictest409559-21kworker/3:121:44:023
33953299309308,1cyclictest0-21swapper/322:05:023
33953299309308,1cyclictest0-21swapper/321:20:033
33953299309308,1cyclictest0-21swapper/300:35:033
33953299309308,1cyclictest0-21swapper/300:35:023
33953299309307,1cyclictest409559-21kworker/3:123:58:023
33953299308307,1cyclictest409559-21kworker/3:121:12:023
33953299308306,2cyclictest0-21swapper/320:55:023
33953299308306,1cyclictest409559-21kworker/3:123:46:033
33953299308306,1cyclictest0-21swapper/321:47:023
33953299308306,1cyclictest0-21swapper/321:39:023
33953299308305,2cyclictest409559-21kworker/3:121:19:033
33953299307306,1cyclictest409559-21kworker/3:122:38:033
33953299307305,1cyclictest625531-21kworker/3:300:18:023
33953299307305,1cyclictest0-21swapper/300:13:023
33956199306304,1cyclictest412520-21diskmemload00:27:037
33956199306303,2cyclictest0-21swapper/721:53:027
33953299306305,1cyclictest409559-21kworker/3:122:57:033
33953299306305,1cyclictest0-21swapper/323:30:023
33953299306305,1cyclictest0-21swapper/322:46:023
33953299306305,1cyclictest0-21swapper/300:30:023
33953299306305,1cyclictest0-21swapper/300:03:023
33953299306304,1cyclictest0-21swapper/322:52:033
33956199305304,1cyclictest0-21swapper/723:35:027
33956199305302,2cyclictest339403-21kworker/7:122:32:027
33953299305303,1cyclictest0-21swapper/323:44:023
33956199304303,1cyclictest540153-21kworker/7:223:25:037
33956199304302,1cyclictest639098-21kworker/7:100:24:027
33956199304302,1cyclictest540153-21kworker/7:200:07:037
33956199304302,1cyclictest0-21swapper/721:59:037
33956199304301,2cyclictest339403-21kworker/7:122:05:027
33953299304303,1cyclictest409559-21kworker/3:123:10:023
33953299304303,1cyclictest409559-21kworker/3:123:10:023
33953299304303,1cyclictest0-21swapper/321:00:023
33953299304303,1cyclictest0-21swapper/320:45:033
33953299304302,1cyclictest0-21swapper/320:09:023
33956199303302,1cyclictest339403-21kworker/7:122:43:027
33956199303302,1cyclictest0-21swapper/722:14:027
33953299303302,1cyclictest0-21swapper/319:25:023
33956199302301,1cyclictest639098-21kworker/7:100:35:027
33956199302301,1cyclictest639098-21kworker/7:100:35:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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