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2026-04-14 - 08:29
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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 Apr 14, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
401788699373371,1cyclictest4132248-21kworker/5:023:21:025
401788699372371,1cyclictest4132248-21kworker/5:023:27:025
401788699372370,1cyclictest4132248-21kworker/5:023:13:025
401788699371369,1cyclictest98048-21kworker/5:100:02:025
401788699370369,1cyclictest4132248-21kworker/5:022:59:025
401788699370369,1cyclictest4132248-21kworker/5:022:53:025
401788699370369,1cyclictest3984518-21kworker/5:220:39:025
401788699369368,1cyclictest4132248-21kworker/5:023:57:025
401788699369368,1cyclictest4132248-21kworker/5:023:57:025
401788699369368,1cyclictest3984518-21kworker/5:220:47:025
401788699368367,1cyclictest3984518-21kworker/5:220:57:035
401788699368367,1cyclictest0-21swapper/523:44:025
401788699367366,1cyclictest4172408-21kworker/5:122:17:025
401788699367365,1cyclictest0-21swapper/521:44:025
401788699366364,2cyclictest123749-21kworker/5:200:28:025
401788699366364,1cyclictest4132248-21kworker/5:021:57:025
401788699366364,1cyclictest3984518-21kworker/5:221:22:025
401788699365364,1cyclictest3984518-21kworker/5:221:14:025
401788699365363,1cyclictest4132248-21kworker/5:023:33:025
401788699364362,1cyclictest3984518-21kworker/5:219:10:025
401788699363361,1cyclictest3984518-21kworker/5:221:32:025
401788699362361,1cyclictest3984518-21kworker/5:220:40:025
401788699362361,1cyclictest0-21swapper/500:39:025
401788699362360,1cyclictest3984518-21kworker/5:221:38:025
401788699361360,1cyclictest4132248-21kworker/5:023:17:025
401788699361359,1cyclictest98048-21kworker/5:100:09:025
401788699361359,1cyclictest3984518-21kworker/5:219:15:025
401788699360359,1cyclictest4132248-21kworker/5:022:20:025
401788699360359,1cyclictest0-21swapper/519:45:025
401788699360358,1cyclictest4132248-21kworker/5:023:07:025
401788699360358,1cyclictest3984518-21kworker/5:220:10:025
401788699360358,1cyclictest133991-21kworker/5:000:31:025
401788699359358,1cyclictest4132248-21kworker/5:022:12:025
401788699359358,1cyclictest4132248-21kworker/5:022:04:025
401788699359358,1cyclictest3984518-21kworker/5:219:42:035
401788699359358,1cyclictest3984518-21kworker/5:219:42:025
401788699359357,1cyclictest0-21swapper/519:57:025
401788699358357,1cyclictest3984518-21kworker/5:220:51:025
401788699358357,1cyclictest3984518-21kworker/5:220:31:025
401788699358357,1cyclictest3984518-21kworker/5:219:23:025
401788699358357,1cyclictest0-21swapper/519:33:025
401788699358356,1cyclictest3984518-21kworker/5:219:53:025
401786699358356,1cyclictest0-21swapper/223:55:022
401786699358356,1cyclictest0-21swapper/223:55:022
401786699358356,1cyclictest0-21swapper/222:33:022
401788699357355,1cyclictest4132248-21kworker/5:023:36:025
401786699357355,1cyclictest0-21swapper/223:37:022
401788699356355,1cyclictest3984518-21kworker/5:221:08:025
401788699356355,1cyclictest3984518-21kworker/5:221:03:035
401788699356354,1cyclictest4132248-21kworker/5:022:44:025
401788699356354,1cyclictest3984518-21kworker/5:219:26:025
401786699356354,1cyclictest0-21swapper/223:21:022
401786699356354,1cyclictest0-21swapper/222:03:022
401786699356354,1cyclictest0-21swapper/221:15:022
401788699355354,1cyclictest98048-21kworker/5:100:19:015
401788699355354,1cyclictest4132248-21kworker/5:023:02:025
401788699355353,1cyclictest3984518-21kworker/5:221:16:025
401786699355353,1cyclictest0-21swapper/223:25:022
401786699355353,1cyclictest0-21swapper/223:13:022
401786699355353,1cyclictest0-21swapper/221:53:022
401786699355353,1cyclictest0-21swapper/200:21:022
401789599354352,1cyclictest97550irq/166-enp0s3123:55:026
401789599354352,1cyclictest97550irq/166-enp0s3123:55:026
401789599354352,1cyclictest97550irq/166-enp0s3122:33:026
401789599354350,3cyclictest4027707-21kworker/6:122:01:026
401788699354353,1cyclictest4132248-21kworker/5:022:30:025
401788699354353,1cyclictest3984518-21kworker/5:220:07:025
401788699354353,1cyclictest3984518-21kworker/5:219:36:025
401786699354352,1cyclictest0-21swapper/222:59:022
401786699354352,1cyclictest0-21swapper/222:53:022
401786699354352,1cyclictest0-21swapper/221:43:022
401789599353351,1cyclictest97550irq/166-enp0s3123:37:026
401788699353352,1cyclictest3984518-21kworker/5:220:20:025
401786699353351,1cyclictest39127-21kworker/2:023:47:022
401786699353351,1cyclictest0-21swapper/223:43:022
401786699353351,1cyclictest0-21swapper/222:07:022
401786699353351,1cyclictest0-21swapper/221:45:022
401786699353351,1cyclictest0-21swapper/219:17:022
401786699353351,1cyclictest0-21swapper/200:01:022
401789599352350,1cyclictest97550irq/166-enp0s3123:21:026
401789599352350,1cyclictest97550irq/166-enp0s3123:13:026
401789599352350,1cyclictest97550irq/166-enp0s3121:15:026
401788699352351,1cyclictest3984518-21kworker/5:220:02:025
401786699352351,1cyclictest0-21swapper/222:21:022
401786699352350,1cyclictest0-21swapper/222:43:022
401789599351349,1cyclictest97550irq/166-enp0s3123:25:026
401789599351349,1cyclictest97550irq/166-enp0s3122:53:026
401789599351349,1cyclictest97550irq/166-enp0s3121:53:026
401789599351349,1cyclictest97550irq/166-enp0s3100:21:026
401786699351350,1cyclictest0-21swapper/220:49:022
401786699351349,1cyclictest0-21swapper/222:17:022
401786699351349,1cyclictest0-21swapper/220:25:022
401786699351349,1cyclictest0-21swapper/219:37:022
401789599350348,1cyclictest97550irq/166-enp0s3122:59:026
401789599350348,1cyclictest97550irq/166-enp0s3121:43:026
401789599350347,1cyclictest97550irq/166-enp0s3121:45:026
401786699350349,1cyclictest0-21swapper/221:10:022
401786699350348,1cyclictest4017383-21kworker/2:121:29:022
401786699350348,1cyclictest0-21swapper/222:39:022
401786699350348,1cyclictest0-21swapper/222:39:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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