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2026-03-22 - 09:26
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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 Mar 22, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417847099381379,1cyclictest197846-21kworker/5:000:10:025
417847099381379,1cyclictest197846-21kworker/5:000:10:025
417846399381380,1cyclictest18651-21kworker/4:120:59:024
417846399380379,1cyclictest4175315-21kworker/4:219:39:024
4178463993800,379cyclictest0-21swapper/419:17:024
4178463993800,1cyclictest0-21swapper/420:35:024
4178463993800,1cyclictest0-21swapper/419:23:034
417846399379378,1cyclictest4175315-21kworker/4:219:57:024
417847099365363,1cyclictest304862-21ssh00:39:025
417847099362361,1cyclictest0-21swapper/523:02:025
417847099361359,2cyclictest1447225-21kworker/5:121:22:025
417847099358357,1cyclictest197846-21kworker/5:000:21:025
417847099358357,1cyclictest1447225-21kworker/5:122:26:025
417847099358357,1cyclictest0-21swapper/521:14:025
417847099358356,1cyclictest1447225-21kworker/5:121:32:025
417847099358356,1cyclictest1447225-21kworker/5:121:32:025
417847099358355,2cyclictest197846-21kworker/5:023:18:025
417847099357356,1cyclictest1447225-21kworker/5:121:52:025
417847099357355,1cyclictest0-21swapper/523:08:025
417847099355354,1cyclictest1447225-21kworker/5:121:17:025
417847099355354,1cyclictest0-21swapper/521:58:025
417847099355354,1cyclictest0-21swapper/500:30:025
417847099355353,1cyclictest197846-21kworker/5:023:44:025
417847099355353,1cyclictest1447225-21kworker/5:121:29:025
417847099354353,1cyclictest0-21swapper/523:28:025
417847099353352,1cyclictest197846-21kworker/5:023:33:025
417847099353352,1cyclictest197846-21kworker/5:000:08:025
417847099353351,1cyclictest1447225-21kworker/5:122:46:025
417847099353351,1cyclictest1447225-21kworker/5:122:12:025
417847099353350,2cyclictest1447225-21kworker/5:123:12:025
417847099352351,1cyclictest197846-21kworker/5:023:49:025
417847099352351,1cyclictest1447225-21kworker/5:122:55:025
417847099352351,1cyclictest0-21swapper/522:54:025
417847099352351,1cyclictest0-21swapper/522:54:025
417847099352351,1cyclictest0-21swapper/521:46:025
417847099352350,1cyclictest0-21swapper/523:51:025
417847099351350,1cyclictest291627-21kworker/5:300:29:025
417847099351350,1cyclictest1447225-21kworker/5:122:42:025
417847099351350,1cyclictest1447225-21kworker/5:121:40:025
417847099351350,1cyclictest0-21swapper/500:04:025
417847099351349,1cyclictest0-21swapper/522:35:025
417847099350349,1cyclictest248780-21kworker/5:220:01:025
417847099350349,1cyclictest0-21swapper/519:35:035
417847099350349,1cyclictest0-21swapper/500:16:025
417847099349348,1cyclictest248780-21kworker/5:220:50:025
417847099349348,1cyclictest0-21swapper/520:25:025
417847099349348,1cyclictest0-21swapper/520:10:025
417847099349348,1cyclictest0-21swapper/520:10:025
417847099349347,2cyclictest248780-21kworker/5:219:40:025
417843099349347,1cyclictest57743-21diskmemload22:11:020
417847099348346,1cyclictest0-21swapper/521:02:025
417847099347346,1cyclictest248780-21kworker/5:219:26:025
417847099347346,1cyclictest0-21swapper/520:58:025
417847099347345,1cyclictest0-21swapper/520:24:025
417847099347345,1cyclictest0-21swapper/520:08:025
417847099346344,1cyclictest248780-21kworker/5:220:39:025
417847099346344,1cyclictest248780-21kworker/5:219:51:025
417843099346344,1cyclictest242769-21kworker/0:119:32:020
417847099345344,1cyclictest248780-21kworker/5:220:17:025
417847099345343,1cyclictest248780-21kworker/5:220:42:025
417847099344343,1cyclictest248780-21kworker/5:220:46:025
417847099344343,1cyclictest248780-21kworker/5:219:56:025
417843099342340,1cyclictest0-21swapper/000:23:020
417843099340338,1cyclictest0-21swapper/022:41:020
417843099339337,1cyclictest0-21swapper/023:17:010
417843099339337,1cyclictest0-21swapper/000:12:020
417843099339337,1cyclictest0-21swapper/000:12:020
417843099339337,1cyclictest0-21swapper/000:07:020
417843099338337,1cyclictest242769-21kworker/0:119:15:020
417843099338336,1cyclictest0-21swapper/023:00:020
417843099338336,1cyclictest0-21swapper/022:25:020
417843099336335,1cyclictest0-21swapper/022:04:020
417843099336335,1cyclictest0-21swapper/000:31:020
417843099336334,1cyclictest291276-21kworker/0:000:35:010
417843099336334,1cyclictest0-21swapper/022:39:020
417843099336334,1cyclictest0-21swapper/021:45:020
417843099335334,1cyclictest0-21swapper/021:37:020
417843099335333,1cyclictest0-21swapper/000:03:020
417843099334332,1cyclictest242769-21kworker/0:121:42:020
417843099334332,1cyclictest242769-21kworker/0:121:15:020
417843099333332,1cyclictest0-21swapper/022:09:020
417843099333332,1cyclictest0-21swapper/021:50:020
417843099333331,1cyclictest242769-21kworker/0:122:58:020
417843099333331,1cyclictest0-21swapper/019:55:020
417843099332331,1cyclictest0-21swapper/020:45:020
417843099332331,1cyclictest0-21swapper/019:50:020
417843099332329,2cyclictest242769-21kworker/0:123:58:020
417843099331329,1cyclictest0-21swapper/023:24:020
417843099330328,2cyclictest0-21swapper/020:18:020
417843099330328,1cyclictest0-21swapper/019:47:020
417843099329328,1cyclictest242769-21kworker/0:123:25:020
417843099329327,2cyclictest242769-21kworker/0:121:24:020
417843099329327,1cyclictest242769-21kworker/0:121:30:020
417843099329327,1cyclictest242769-21kworker/0:121:30:020
417843099329327,1cyclictest242769-21kworker/0:100:25:020
417843099328326,1cyclictest242769-21kworker/0:123:43:020
417843099328326,1cyclictest242769-21kworker/0:120:11:020
417843099328326,1cyclictest242769-21kworker/0:120:11:020
417843099328326,1cyclictest0-21swapper/019:35:020
417843099326325,1cyclictest242769-21kworker/0:121:11:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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