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2026-03-24 - 10:59
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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 Mar 24, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70203999344343,1cyclictest975547-21kworker/7:023:59:017
70203499337336,1cyclictest0-21swapper/621:25:026
70203999318317,1cyclictest0-21swapper/722:44:027
70198699317316,1cyclictest753970-21kworker/0:021:25:020
70202699313311,1cyclictest0-21swapper/500:00:015
70202699312311,1cyclictest0-21swapper/522:52:025
70202699312310,1cyclictest939762-21kworker/5:000:13:025
70203999311309,2cyclictest823904-21kworker/7:122:21:027
70203999310308,1cyclictest0-21swapper/721:54:027
70203999310307,2cyclictest672966-21kworker/7:021:42:027
70200799310309,1cyclictest0-21swapper/323:59:023
70203999309308,1cyclictest823904-21kworker/7:122:39:027
70203999309308,1cyclictest672966-21kworker/7:019:55:027
70203999309308,1cyclictest0-21swapper/722:29:017
70203999309308,1cyclictest0-21swapper/721:20:017
70203499309307,1cyclictest97550irq/166-enp0s3100:13:016
70202699309308,1cyclictest0-21swapper/523:03:015
70203999308307,1cyclictest823904-21kworker/7:123:02:027
70203999308307,1cyclictest823904-21kworker/7:121:59:017
70203999308307,1cyclictest0-21swapper/700:24:017
70202699308306,1cyclictest695873-21kworker/5:122:32:025
70203999307306,1cyclictest975547-21kworker/7:023:54:017
70203999307306,1cyclictest672966-21kworker/7:021:45:027
70203999307306,1cyclictest0-21swapper/700:33:027
70203999307305,1cyclictest0-21swapper/722:15:027
70203999307305,1cyclictest0-21swapper/722:08:027
70198699307305,1cyclictest0-21swapper/023:43:010
70203999306305,1cyclictest823904-21kworker/7:123:11:027
70203999306305,1cyclictest0-21swapper/721:13:027
70203999306304,1cyclictest823904-21kworker/7:122:48:017
70203999306304,1cyclictest823904-21kworker/7:122:33:027
70203999306304,1cyclictest672966-21kworker/7:021:19:027
70203999306304,1cyclictest0-21swapper/720:32:027
70202699306305,1cyclictest0-21swapper/500:36:015
70203999305304,1cyclictest975547-21kworker/7:000:01:027
70203999305304,1cyclictest823904-21kworker/7:122:12:017
70203999305304,1cyclictest0-21swapper/723:07:027
70202699305304,1cyclictest939762-21kworker/5:023:41:025
70202699305304,1cyclictest695873-21kworker/5:121:37:015
70202699305304,1cyclictest0-21swapper/522:05:015
70202699305304,1cyclictest0-21swapper/500:06:015
70202699305303,1cyclictest0-21swapper/522:46:025
70203999304303,1cyclictest991177-21kworker/7:200:25:017
70203999304303,1cyclictest672966-21kworker/7:021:31:027
70203999304303,1cyclictest672966-21kworker/7:020:50:027
70203999304303,1cyclictest672966-21kworker/7:019:25:017
70203999304303,1cyclictest0-21swapper/720:00:027
70203999304302,1cyclictest672966-21kworker/7:019:40:027
70203999304302,1cyclictest0-21swapper/723:20:027
70203999304302,1cyclictest0-21swapper/719:20:027
70203499304302,1cyclictest97550irq/166-enp0s3122:32:026
70202699304303,1cyclictest0-21swapper/523:51:025
70202699304303,1cyclictest0-21swapper/522:04:025
70202699304303,1cyclictest0-21swapper/521:48:025
70202699304303,1cyclictest0-21swapper/521:15:025
70202699304302,1cyclictest695873-21kworker/5:122:59:025
70202699304302,1cyclictest0-21swapper/523:58:025
70202699304302,1cyclictest0-21swapper/523:15:025
70202699304302,1cyclictest0-21swapper/500:16:025
70203999303302,1cyclictest0-21swapper/722:57:027
70203999303302,1cyclictest0-21swapper/720:55:027
70203999303302,1cyclictest0-21swapper/720:20:027
70203999303302,1cyclictest0-21swapper/719:48:027
70203499303302,1cyclictest864455-21kworker/6:222:55:026
70202699303302,1cyclictest695873-21kworker/5:123:12:025
70202699303302,1cyclictest692675-21kworker/5:020:25:025
70202699303302,1cyclictest0-21swapper/523:46:025
70202699303302,1cyclictest0-21swapper/523:28:025
70202699303302,1cyclictest0-21swapper/523:28:025
70202699303302,1cyclictest0-21swapper/523:05:015
70202699303302,1cyclictest0-21swapper/522:27:025
70202699303301,1cyclictest0-21swapper/522:18:025
70202699303301,1cyclictest0-21swapper/520:47:025
70203999302301,1cyclictest0-21swapper/719:31:027
70203999302300,1cyclictest0-21swapper/721:02:027
70203499302301,1cyclictest864455-21kworker/6:200:38:026
70203499302301,1cyclictest760003-21kworker/6:021:53:026
70202699302301,1cyclictest0-21swapper/521:24:025
70202699302301,1cyclictest0-21swapper/519:47:025
70202699302301,1cyclictest0-21swapper/500:28:025
70203999301299,1cyclictest0-21swapper/720:13:027
70202699301300,1cyclictest0-21swapper/520:14:015
70202699301300,1cyclictest0-21swapper/519:21:025
70202699301299,1cyclictest939762-21kworker/5:000:30:015
70203999300299,1cyclictest672966-21kworker/7:020:38:027
70203999300299,1cyclictest672966-21kworker/7:020:38:027
70203999300298,1cyclictest672966-21kworker/7:019:17:027
70203499300299,1cyclictest864455-21kworker/6:200:15:016
70203499300299,1cyclictest0-21swapper/621:33:026
70203499300298,1cyclictest97550irq/166-enp0s3121:20:026
70203499300298,1cyclictest864455-21kworker/6:223:19:016
70202699300299,1cyclictest939762-21kworker/5:000:22:025
70202699300299,1cyclictest695873-21kworker/5:123:23:025
70202699300299,1cyclictest695873-21kworker/5:122:35:025
70202699300299,1cyclictest0-21swapper/521:03:015
70202699300299,1cyclictest0-21swapper/520:51:025
70202699300299,1cyclictest0-21swapper/519:37:025
70202699300298,1cyclictest695873-21kworker/5:121:58:025
70202699300298,1cyclictest0-21swapper/520:23:025
70203999299298,1cyclictest672966-21kworker/7:020:06:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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