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2026-01-03 - 08:15
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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 Sat Jan 03, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11442323820,5sleep442-21ksoftirqd/419:05:274
11536499377375,1cyclictest343176-21kworker/4:100:26:024
11534999363362,1cyclictest368763-21kworker/2:223:59:022
11534999363361,1cyclictest0-21swapper/221:22:022
11534999361360,1cyclictest0-21swapper/223:24:012
11534999361360,1cyclictest0-21swapper/219:15:022
11534999360359,1cyclictest0-21swapper/222:51:022
11534999360359,1cyclictest0-21swapper/221:33:022
11534999360359,1cyclictest0-21swapper/221:26:022
11534999360359,1cyclictest0-21swapper/200:34:022
11534999360358,1cyclictest86333-21kworker/2:122:16:022
11534999360358,1cyclictest0-21swapper/223:33:022
11534999359358,1cyclictest86333-21kworker/2:121:57:022
11534999359358,1cyclictest86333-21kworker/2:121:57:022
11534999359358,1cyclictest0-21swapper/223:06:022
11534999358357,1cyclictest86333-21kworker/2:122:25:022
11534999358357,1cyclictest86333-21kworker/2:121:53:022
11534999358357,1cyclictest368763-21kworker/2:223:49:022
11534999358357,1cyclictest368763-21kworker/2:200:01:022
11534999358357,1cyclictest0-21swapper/221:40:022
11534999358357,1cyclictest0-21swapper/221:14:022
11534999358356,1cyclictest0-21swapper/223:26:022
11534999358356,1cyclictest0-21swapper/223:14:022
11534999358356,1cyclictest0-21swapper/222:40:022
11534999357356,1cyclictest86333-21kworker/2:120:15:022
11534999357356,1cyclictest368763-21kworker/2:200:17:012
11534999357356,1cyclictest0-21swapper/223:54:022
11534999357356,1cyclictest0-21swapper/222:31:022
11534999357356,1cyclictest0-21swapper/221:39:022
11534999357356,1cyclictest0-21swapper/219:55:022
11534999357355,2cyclictest86333-21kworker/2:122:39:022
11534999357355,1cyclictest368763-21kworker/2:200:29:022
11534999357355,1cyclictest0-21swapper/222:57:022
11534999357355,1cyclictest0-21swapper/221:15:012
11534999356355,1cyclictest0-21swapper/222:12:022
11534999356355,1cyclictest0-21swapper/220:10:022
11534999356355,1cyclictest0-21swapper/200:38:022
11534999356355,1cyclictest0-21swapper/200:05:022
11537199355354,1cyclictest0-21swapper/522:07:025
11537199355352,3cyclictest0-21swapper/521:28:025
11534999355354,1cyclictest86333-21kworker/2:122:22:012
11537199354352,1cyclictest274749-21ssh22:19:025
11534999354353,1cyclictest0-21swapper/220:08:012
11534999354353,1cyclictest0-21swapper/220:00:022
11534999353352,1cyclictest0-21swapper/200:24:022
11534999353351,1cyclictest0-21swapper/220:45:022
11534999352351,1cyclictest0-21swapper/221:05:022
11534999352351,1cyclictest0-21swapper/220:57:022
11534999352351,1cyclictest0-21swapper/219:35:022
11537199351349,1cyclictest97550irq/166-enp0s3121:36:025
11534999351350,1cyclictest0-21swapper/220:24:022
11534999351350,1cyclictest0-21swapper/219:52:022
11534999351350,1cyclictest0-21swapper/219:32:022
11534999351350,1cyclictest0-21swapper/219:24:022
11534999351349,1cyclictest0-21swapper/220:28:022
11534999351349,1cyclictest0-21swapper/220:28:022
11537199350349,1cyclictest0-21swapper/522:30:025
11534999350349,1cyclictest0-21swapper/220:33:022
11534999350348,1cyclictest0-21swapper/219:44:022
11537199349348,1cyclictest0-21swapper/522:35:025
11537199349348,1cyclictest0-21swapper/522:21:025
11537199349348,1cyclictest0-21swapper/521:19:025
11534999349348,1cyclictest0-21swapper/220:37:022
11534999349348,1cyclictest0-21swapper/219:13:022
11537199348347,1cyclictest0-21swapper/523:01:025
11537199348345,2cyclictest97550irq/166-enp0s3123:56:025
11537199346343,2cyclictest97550irq/166-enp0s3123:24:025
11537199345344,1cyclictest0-21swapper/523:12:025
11537199345343,2cyclictest0-21swapper/519:40:025
11537199344343,1cyclictest286276-21kworker/5:023:46:025
11537199344343,1cyclictest0-21swapper/522:53:025
11537199344343,1cyclictest0-21swapper/521:23:025
11537199343342,1cyclictest0-21swapper/520:55:025
11537199343342,1cyclictest0-21swapper/519:18:015
11537199342341,1cyclictest188378-21kworker/5:221:10:025
11537199342341,1cyclictest0-21swapper/520:01:025
11537199342339,2cyclictest0-21swapper/522:40:015
11537199341340,1cyclictest286276-21kworker/5:022:58:025
11537199341340,1cyclictest0-21swapper/522:11:025
11537199341340,1cyclictest0-21swapper/521:41:025
11537199341340,1cyclictest0-21swapper/500:36:025
11537199341339,1cyclictest422998-21kworker/5:100:27:025
11537199340339,1cyclictest286276-21kworker/5:023:17:025
11537199340339,1cyclictest286276-21kworker/5:023:17:025
11537199340339,1cyclictest286276-21kworker/5:023:09:025
11537199340339,1cyclictest188378-21kworker/5:221:52:025
11537199340339,1cyclictest0-21swapper/523:53:025
11537199340339,1cyclictest0-21swapper/523:30:015
11537199340339,1cyclictest0-21swapper/521:59:025
11537199340339,1cyclictest0-21swapper/521:59:025
11537199340339,1cyclictest0-21swapper/500:02:025
11537199340338,1cyclictest97550irq/166-enp0s3123:26:015
11537199340338,1cyclictest422998-21kworker/5:100:30:025
11537199340338,1cyclictest286276-21kworker/5:023:42:025
11537199340338,1cyclictest286276-21kworker/5:022:46:025
11537199339338,1cyclictest286276-21kworker/5:000:12:025
11537199339338,1cyclictest188378-21kworker/5:222:03:025
11537199339338,1cyclictest188378-21kworker/5:221:48:025
11537199339338,1cyclictest0-21swapper/500:22:025
11537199338337,1cyclictest286276-21kworker/5:000:16:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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