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2026-04-26 - 16:49
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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 Sun Apr 26, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28855999356355,1cyclictest0-21swapper/510:00:015
28855999355354,1cyclictest0-21swapper/510:10:025
28855999355354,1cyclictest0-21swapper/508:25:025
28855999354353,1cyclictest0-21swapper/509:14:025
28855999354352,1cyclictest0-21swapper/510:09:015
28855999352351,1cyclictest0-21swapper/508:35:025
28855999350349,1cyclictest448850-21kworker/5:011:40:015
28855999350349,1cyclictest0-21swapper/509:48:025
28855999350349,1cyclictest0-21swapper/509:31:025
28855999350348,1cyclictest285402-21kworker/5:107:57:015
28855999349348,1cyclictest358609-21kworker/5:209:40:025
28855999349348,1cyclictest0-21swapper/512:08:015
28855999349348,1cyclictest0-21swapper/509:19:025
28855999349347,1cyclictest0-21swapper/512:03:015
28855999349347,1cyclictest0-21swapper/512:03:015
28855999349347,1cyclictest0-21swapper/509:39:025
28855999349347,1cyclictest0-21swapper/509:06:025
28855999349347,1cyclictest0-21swapper/509:06:015
28855999349347,1cyclictest0-21swapper/508:11:025
28855999348347,1cyclictest285402-21kworker/5:107:25:025
28855999348347,1cyclictest0-21swapper/510:46:015
28855999348347,1cyclictest0-21swapper/510:18:025
28855999348347,1cyclictest0-21swapper/508:06:025
28855999348347,1cyclictest0-21swapper/507:53:015
28855999348346,1cyclictest0-21swapper/512:27:015
28855999347346,1cyclictest448850-21kworker/5:011:55:015
28855999347346,1cyclictest403725-21kworker/5:112:30:015
28855999347346,1cyclictest285402-21kworker/5:107:39:415
28855999347346,1cyclictest285402-21kworker/5:107:39:415
28855999347346,1cyclictest0-21swapper/512:23:015
28855999347346,1cyclictest0-21swapper/511:31:015
28855999347346,1cyclictest0-21swapper/511:02:015
28855999347346,1cyclictest0-21swapper/510:44:015
28855999347346,1cyclictest0-21swapper/508:31:025
28855999347346,1cyclictest0-21swapper/508:16:025
28855999347345,1cyclictest358609-21kworker/5:210:20:015
28855999347345,1cyclictest0-21swapper/510:26:025
28855999346345,1cyclictest448850-21kworker/5:011:45:015
28855999346345,1cyclictest358609-21kworker/5:209:51:025
28855999346345,1cyclictest0-21swapper/511:09:015
28855999346345,1cyclictest0-21swapper/509:29:025
28855999346345,1cyclictest0-21swapper/508:22:025
28855999346344,1cyclictest285402-21kworker/5:109:00:025
28855999345344,1cyclictest0-21swapper/512:12:015
28855999345343,1cyclictest285402-21kworker/5:108:01:025
28855999344341,2cyclictest358609-21kworker/5:210:38:015
28855999343341,1cyclictest285402-21kworker/5:108:52:025
28855999343341,1cyclictest285402-21kworker/5:107:12:015
28855999342341,1cyclictest358609-21kworker/5:210:52:015
28855999342340,1cyclictest403725-21kworker/5:112:36:025
28855999342340,1cyclictest403725-21kworker/5:110:56:015
28855999341340,1cyclictest358609-21kworker/5:209:22:025
28855999341340,1cyclictest285402-21kworker/5:107:31:025
28852199327326,1cyclictest291546-21kworker/0:111:15:010
28852199325323,1cyclictest0-21swapper/012:00:020
28852199325323,1cyclictest0-21swapper/012:00:020
28852199323322,1cyclictest0-21swapper/008:40:020
28852199322321,1cyclictest291546-21kworker/0:109:15:020
28852199322320,1cyclictest291546-21kworker/0:110:35:010
28852199321320,1cyclictest291546-21kworker/0:110:25:010
28852199320319,1cyclictest0-21swapper/011:50:020
28852199320319,1cyclictest0-21swapper/008:00:010
28852199319318,1cyclictest291546-21kworker/0:109:55:020
28852199319318,1cyclictest0-21swapper/012:20:010
28852199318317,1cyclictest291546-21kworker/0:110:45:010
28852199318317,1cyclictest291546-21kworker/0:109:01:020
28852199318317,1cyclictest291546-21kworker/0:108:55:020
28852199318317,1cyclictest291546-21kworker/0:107:42:020
28852199318317,1cyclictest0-21swapper/010:21:020
28852199318317,1cyclictest0-21swapper/010:19:010
28852199318317,1cyclictest0-21swapper/007:30:020
28852199318316,1cyclictest0-21swapper/008:39:020
28852199317316,1cyclictest291546-21kworker/0:110:04:010
28852199317316,1cyclictest291546-21kworker/0:108:27:020
28852199317316,1cyclictest291546-21kworker/0:108:13:020
28852199317316,1cyclictest291546-21kworker/0:107:19:010
28852199317315,1cyclictest291546-21kworker/0:111:28:010
28852199317315,1cyclictest291546-21kworker/0:109:42:020
28852199317315,1cyclictest291546-21kworker/0:107:46:020
28852199317315,1cyclictest291546-21kworker/0:107:21:020
28852199317315,1cyclictest0-21swapper/008:49:010
28852199316315,1cyclictest546420-21kworker/0:207:14:010
28852199316315,1cyclictest463748-21kworker/0:312:19:010
28852199316315,1cyclictest291546-21kworker/0:110:08:010
28852199316315,1cyclictest291546-21kworker/0:107:28:020
28852199316315,1cyclictest0-21swapper/012:34:010
28852199316314,2cyclictest291546-21kworker/0:109:32:020
28852199315314,1cyclictest291546-21kworker/0:111:33:010
28852199315314,1cyclictest291546-21kworker/0:109:38:020
28852199315314,1cyclictest291546-21kworker/0:109:27:020
28852199315314,1cyclictest0-21swapper/011:58:020
28852199315314,1cyclictest0-21swapper/011:11:010
28852199313312,1cyclictest463748-21kworker/0:312:28:010
28856699311309,1cyclictest0-21swapper/608:45:016
28856699309308,1cyclictest0-21swapper/612:10:026
28856699309308,1cyclictest0-21swapper/611:20:026
28856699308307,1cyclictest304412-21kworker/6:009:05:026
28856699308307,1cyclictest304412-21kworker/6:009:05:016
28856699307306,1cyclictest304412-21kworker/6:008:20:026
28856699307306,1cyclictest0-21swapper/612:01:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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