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2025-09-18 - 00:09
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Wed Sep 17, 2025 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45155999358357,1cyclictest611079-21kworker/7:011:39:027
45155999356355,1cyclictest502208-21kworker/7:209:20:027
45155999355354,1cyclictest502208-21kworker/7:208:44:027
45155999355354,1cyclictest467970-21kworker/7:108:27:027
45155999355354,1cyclictest467970-21kworker/7:108:13:027
45155999353351,1cyclictest425511-21kworker/7:007:17:027
45155999351350,1cyclictest467970-21kworker/7:107:57:037
45155999351349,1cyclictest502208-21kworker/7:211:23:027
45155999350349,1cyclictest632846-21kworker/7:212:06:027
45155999350349,1cyclictest502208-21kworker/7:209:14:027
45155999349348,1cyclictest611079-21kworker/7:011:43:027
45155299348347,1cyclictest0-21swapper/607:41:026
45155999347346,1cyclictest502208-21kworker/7:210:27:027
45152899345344,1cyclictest548856-21kworker/3:011:39:023
45155999344343,1cyclictest467970-21kworker/7:108:20:027
45152899344342,1cyclictest448288-21kworker/3:208:27:023
45155999343342,1cyclictest502208-21kworker/7:209:34:027
45155999343342,1cyclictest502208-21kworker/7:209:34:027
45155999343342,1cyclictest502208-21kworker/7:208:52:027
45152899343342,1cyclictest530192-21kworker/3:109:20:033
45155999342341,1cyclictest467970-21kworker/7:107:47:037
45155999342340,1cyclictest502208-21kworker/7:209:47:027
45152899342341,1cyclictest448288-21kworker/3:208:44:033
45152899342341,1cyclictest448288-21kworker/3:208:13:023
45155999341340,1cyclictest645314-21kworker/7:112:35:027
45155999341340,1cyclictest645314-21kworker/7:112:25:037
45155999340339,1cyclictest502208-21kworker/7:211:19:027
45155999340338,1cyclictest97850irq/166-enp0s3110:50:027
45155999340336,2cyclictest97850irq/166-enp0s3109:54:027
45152899340338,2cyclictest448288-21kworker/3:207:17:023
45155999339338,1cyclictest502208-21kworker/7:210:16:027
45155999339338,1cyclictest502208-21kworker/7:210:14:027
45155999339338,1cyclictest467970-21kworker/7:108:07:027
45155999339337,1cyclictest97850irq/166-enp0s3107:37:027
45155999339337,1cyclictest502208-21kworker/7:209:25:027
45155999338337,1cyclictest97850irq/166-enp0s3109:15:027
45155999338337,1cyclictest645314-21kworker/7:112:24:027
45155999338337,1cyclictest611079-21kworker/7:011:33:027
45155999338337,1cyclictest502208-21kworker/7:211:13:027
45155999338337,1cyclictest502208-21kworker/7:209:41:027
45155999338336,1cyclictest97850irq/166-enp0s3112:15:027
45155999338336,1cyclictest97850irq/166-enp0s3107:23:037
45155999338336,1cyclictest97850irq/166-enp0s3107:10:027
45155999338335,2cyclictest97850irq/166-enp0s3110:31:027
45152899338337,1cyclictest448288-21kworker/3:207:57:023
45152899338336,1cyclictest548856-21kworker/3:012:06:023
45155999337336,1cyclictest502208-21kworker/7:210:55:027
45155999337335,1cyclictest97850irq/166-enp0s3111:25:027
45155999337335,1cyclictest97850irq/166-enp0s3110:45:037
45155999337335,1cyclictest97850irq/166-enp0s3108:57:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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