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2026-08-11 - 12:33
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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 Aug 11, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94184723730,3sleep60-21swapper/619:05:176
94364299363362,1cyclictest0-21swapper/123:12:021
943642993610,358cyclictest1221637-40updatedb00:00:021
94364299360358,1cyclictest0-21swapper/121:20:021
94364299360357,2cyclictest986598-21kworker/1:220:20:021
94364299359358,1cyclictest1228923-21kworker/1:120:05:021
94364299358356,1cyclictest97550irq/166-enp0s3122:19:021
94364299357356,1cyclictest97550irq/166-enp0s3123:39:021
94364299357355,1cyclictest97550irq/166-enp0s3122:13:021
94364299356354,2cyclictest1013666-21kworker/1:022:32:021
94364299356354,1cyclictest97550irq/166-enp0s3121:33:021
94364299355354,1cyclictest97550irq/166-enp0s3123:41:021
94364299355353,1cyclictest97550irq/166-enp0s3123:33:021
94364299354353,1cyclictest97550irq/166-enp0s3100:23:021
94364299354353,1cyclictest97550irq/166-enp0s3100:23:021
94364299354353,1cyclictest1165976-21kworker/1:123:49:021
94364299354353,1cyclictest0-21swapper/119:15:021
94364299354352,1cyclictest97550irq/166-enp0s3121:11:021
94364299354351,2cyclictest97550irq/166-enp0s3120:01:021
94364299353352,1cyclictest1250018-21kworker/1:000:32:021
94364299353352,1cyclictest1013666-21kworker/1:021:37:021
94364299353351,1cyclictest97550irq/166-enp0s3123:29:021
94364299353351,1cyclictest97550irq/166-enp0s3122:41:021
94364299353351,1cyclictest97550irq/166-enp0s3122:01:021
94364299353351,1cyclictest97550irq/166-enp0s3100:11:021
94364299352351,1cyclictest1250018-21kworker/1:000:29:021
94364299352351,1cyclictest0-21swapper/123:23:021
94364299352350,1cyclictest97550irq/166-enp0s3120:39:021
94364299351350,1cyclictest97550irq/166-enp0s3120:55:021
94364299351350,1cyclictest97550irq/166-enp0s3119:23:021
94364299351350,1cyclictest1136579-21kworker/1:223:01:021
94364299351350,1cyclictest1136579-21kworker/1:222:51:021
94364299351349,1cyclictest97550irq/166-enp0s3120:45:021
94364299351349,1cyclictest97550irq/166-enp0s3119:51:021
94364299351349,1cyclictest97550irq/166-enp0s3100:35:021
94367199350349,1cyclictest1095190-21kworker/5:223:12:025
94364299350349,1cyclictest97550irq/166-enp0s3120:11:021
94364299350349,1cyclictest97550irq/166-enp0s3100:05:021
94364299350349,1cyclictest1228923-21kworker/1:119:45:021
94364299350348,1cyclictest97550irq/166-enp0s3121:51:021
94364299350348,1cyclictest97550irq/166-enp0s3119:55:021
94364299350348,1cyclictest97550irq/166-enp0s3119:55:021
94364299350348,1cyclictest97550irq/166-enp0s3100:17:021
94364299350347,2cyclictest0-21swapper/121:42:021
94364299349348,1cyclictest986598-21kworker/1:221:01:021
94364299349348,1cyclictest97550irq/166-enp0s3119:11:021
94364299349348,1cyclictest0-21swapper/122:24:021
94364299349348,1cyclictest0-21swapper/120:51:021
94367199348344,1cyclictest1095190-21kworker/5:200:00:025
94364299348347,1cyclictest0-21swapper/121:46:021
94364299348346,1cyclictest97550irq/166-enp0s3123:58:021
94364299348346,1cyclictest97550irq/166-enp0s3122:58:021
94364299348346,1cyclictest97550irq/166-enp0s3122:25:021
94367199347345,1cyclictest0-21swapper/520:05:025
94367199347344,1cyclictest914175-21kworker/5:021:20:025
94364299347346,1cyclictest97550irq/166-enp0s3120:15:021
94364299347346,1cyclictest1228923-21kworker/1:119:43:021
94364299347346,1cyclictest1228923-21kworker/1:119:31:031
94364299347345,1cyclictest97550irq/166-enp0s3123:17:021
94364299347345,1cyclictest0-21swapper/122:06:021
94367199346343,2cyclictest1095190-21kworker/5:223:39:025
94365699346345,1cyclictest0-21swapper/319:42:023
94364299346345,1cyclictest0-21swapper/123:07:021
94364299346344,1cyclictest97550irq/166-enp0s3121:58:021
94367199345344,1cyclictest0-21swapper/520:20:025
94364299345344,1cyclictest0-21swapper/122:47:021
94364299345344,1cyclictest0-21swapper/121:09:021
94364299345344,1cyclictest0-21swapper/119:29:021
94367199344342,2cyclictest914175-21kworker/5:022:13:025
94367199344342,1cyclictest914175-21kworker/5:022:19:025
94367199343341,1cyclictest914175-21kworker/5:021:33:025
94364299343342,1cyclictest97550irq/166-enp0s3122:39:021
94364299343342,1cyclictest97550irq/166-enp0s3120:44:021
94364299343342,1cyclictest0-21swapper/120:30:021
94364299343341,1cyclictest97550irq/166-enp0s3121:27:021
94364299343341,1cyclictest97550irq/166-enp0s3121:27:021
94367199342341,1cyclictest1095190-21kworker/5:223:41:025
94367199342341,1cyclictest0-21swapper/522:32:025
94367199342340,1cyclictest0-21swapper/523:31:025
94364299342341,1cyclictest97550irq/166-enp0s3123:53:021
94364299342341,1cyclictest97550irq/166-enp0s3120:25:021
94367199341340,1cyclictest1244951-21kworker/5:100:23:025
94367199341340,1cyclictest1244951-21kworker/5:100:23:025
94367199341340,1cyclictest0-21swapper/523:49:025
94367199341339,1cyclictest914175-21kworker/5:021:11:025
94367199341339,1cyclictest1095190-21kworker/5:223:29:025
94367199341339,1cyclictest0-21swapper/500:32:025
94367199340339,1cyclictest914175-21kworker/5:019:15:025
94367199340339,1cyclictest0-21swapper/521:37:025
94367199340338,1cyclictest914175-21kworker/5:022:01:025
94367199340338,1cyclictest1095190-21kworker/5:223:23:025
94367199340338,1cyclictest1095190-21kworker/5:222:41:025
94367199340338,1cyclictest1095190-21kworker/5:200:11:025
94367199340337,1cyclictest914175-21kworker/5:020:39:025
94367199339338,1cyclictest914175-21kworker/5:020:01:025
94367199339338,1cyclictest0-21swapper/500:29:025
94367199339337,1cyclictest1095190-21kworker/5:223:01:025
94364299339338,1cyclictest0-21swapper/119:35:021
94367199338337,1cyclictest914175-21kworker/5:020:55:025
94367199338337,1cyclictest914175-21kworker/5:019:23:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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