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2026-01-02 - 07:43
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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 Fri Jan 02, 2026 00:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
391104024770,6sleep121-21ksoftirqd/119:05:181
391299099358356,1cyclictest0-21swapper/021:19:010
391299099355354,1cyclictest0-21swapper/022:44:020
391299099345343,1cyclictest0-21swapper/022:13:010
391299099343342,1cyclictest0-21swapper/000:09:020
391302899342341,1cyclictest97550irq/166-enp0s3123:41:015
391299099341340,1cyclictest0-21swapper/021:43:020
391299099341340,1cyclictest0-21swapper/021:43:020
391299099341339,1cyclictest0-21swapper/023:10:020
391299099341339,1cyclictest0-21swapper/021:12:020
391299099340339,1cyclictest4042438-21kworker/0:023:54:010
391299099340339,1cyclictest0-21swapper/022:18:020
391302899339338,1cyclictest97550irq/166-enp0s3121:12:015
391299099339338,1cyclictest0-21swapper/023:34:020
391299099339337,1cyclictest0-21swapper/021:21:010
391302899338337,1cyclictest0-21swapper/522:12:025
391299099338337,1cyclictest0-21swapper/021:54:010
391299099338337,1cyclictest0-21swapper/021:37:020
391299099338337,1cyclictest0-21swapper/000:31:020
391299099338336,1cyclictest0-21swapper/023:56:020
391302899337335,2cyclictest97550irq/166-enp0s3100:38:025
391302899337335,1cyclictest97550irq/166-enp0s3121:52:025
391299099337336,1cyclictest5352-21kworker/0:100:23:010
391299099337335,2cyclictest4042438-21kworker/0:023:45:010
391302899336334,1cyclictest97550irq/166-enp0s3122:37:025
391302899336334,1cyclictest1177941-21kworker/5:219:15:025
391302899336334,1cyclictest0-21swapper/521:49:015
391302899335334,1cyclictest97550irq/166-enp0s3123:14:025
391302899335333,1cyclictest97550irq/166-enp0s3122:34:015
391302899335332,2cyclictest0-21swapper/522:25:025
391302899335331,3cyclictest0-21swapper/522:42:015
391299099335334,1cyclictest0-21swapper/021:55:020
391299099335334,1cyclictest0-21swapper/020:05:010
391299099335333,1cyclictest0-21swapper/021:01:020
391302899334333,1cyclictest97550irq/166-enp0s3121:26:015
391302899334333,1cyclictest0-21swapper/522:53:015
391302899334332,1cyclictest3922-21kworker/5:200:04:025
391302899334332,1cyclictest0-21swapper/523:17:025
391302899334331,2cyclictest4113878-21kworker/5:223:04:015
391299099334333,1cyclictest4096492-21kworker/0:220:52:010
391299099334333,1cyclictest0-21swapper/019:55:020
391302899333330,3cyclictest4167216-21kworker/5:023:53:025
391299099333332,1cyclictest5352-21kworker/0:100:25:010
391299099333332,1cyclictest4042438-21kworker/0:023:23:020
391299099333331,1cyclictest4042438-21kworker/0:023:38:010
391299099333331,1cyclictest4042438-21kworker/0:023:07:010
391302899332331,1cyclictest4036145-21kworker/5:021:56:025
391302899332330,1cyclictest0-21swapper/500:30:025
391299099332331,1cyclictest5352-21kworker/0:100:39:020
391299099332331,1cyclictest4042438-21kworker/0:022:03:020
391299099332331,1cyclictest0-21swapper/020:29:020
391299099332330,1cyclictest4042438-21kworker/0:022:26:010
391302899331330,1cyclictest4113878-21kworker/5:223:26:025
391302899331330,1cyclictest4036145-21kworker/5:022:08:015
391299099331330,1cyclictest4096492-21kworker/0:221:47:010
391299099331330,1cyclictest4096492-21kworker/0:219:50:020
391299099331329,1cyclictest5352-21kworker/0:100:15:010
391299099331329,1cyclictest5352-21kworker/0:100:02:020
391299099331329,1cyclictest4042438-21kworker/0:022:09:010
391302899330329,1cyclictest4113878-21kworker/5:223:09:025
391302899330329,1cyclictest3934879-21kworker/5:121:31:025
391302899330329,1cyclictest3922-21kworker/5:200:05:015
391302899330329,1cyclictest0-21swapper/522:02:015
391302899330328,1cyclictest97550irq/166-enp0s3122:16:015
391302899330328,1cyclictest0-21swapper/521:22:015
391299099330329,1cyclictest4096492-21kworker/0:220:15:020
391299099330328,1cyclictest4096492-21kworker/0:221:29:010
391299099330328,1cyclictest4042438-21kworker/0:023:42:010
391299099330328,1cyclictest4042438-21kworker/0:022:49:020
391302899329328,1cyclictest4036145-21kworker/5:022:47:025
391302899329328,1cyclictest4036145-21kworker/5:022:23:025
391302899329328,1cyclictest3934879-21kworker/5:121:00:025
391302899329328,1cyclictest0-21swapper/522:58:015
391302899329328,1cyclictest0-21swapper/521:36:025
391299099329327,1cyclictest4042438-21kworker/0:022:59:010
391299099329327,1cyclictest4042438-21kworker/0:022:32:020
391302899328327,1cyclictest0-21swapper/500:18:015
391302899328326,1cyclictest0-21swapper/523:55:025
391302899328326,1cyclictest0-21swapper/523:30:015
391302899328326,1cyclictest0-21swapper/520:06:015
391299099328327,1cyclictest4096492-21kworker/0:220:49:010
391299099328326,1cyclictest4096492-21kworker/0:220:00:020
391299099328326,1cyclictest4096492-21kworker/0:219:30:020
391299099328326,1cyclictest0-21swapper/020:43:020
391302899327325,1cyclictest3934879-21kworker/5:120:40:015
391302899327325,1cyclictest0-21swapper/520:11:025
391302899326324,1cyclictest3934879-21kworker/5:120:01:015
391299099326324,1cyclictest4096492-21kworker/0:219:26:010
391302899325324,1cyclictest0-21swapper/520:20:025
391302899325323,1cyclictest0-21swapper/519:33:025
391299099325323,1cyclictest4096492-21kworker/0:220:14:010
391302899324323,1cyclictest3934879-21kworker/5:120:26:025
391302899324323,1cyclictest1177941-21kworker/5:219:23:015
391302899324323,1cyclictest0-21swapper/519:49:025
391302899324322,1cyclictest3934879-21kworker/5:120:47:025
391302899324322,1cyclictest3934879-21kworker/5:119:57:025
391299099324323,1cyclictest4096492-21kworker/0:219:22:020
391299099324322,1cyclictest4096492-21kworker/0:220:34:020
391302899322321,1cyclictest3934879-21kworker/5:121:06:025
391302899322321,1cyclictest3934879-21kworker/5:120:37:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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