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2026-03-16 - 20:12
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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 Mon Mar 16, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214771323980,4sleep50-21swapper/507:05:195
214919999350348,1cyclictest3610615-21kworker/2:007:13:022
214919999349348,1cyclictest3610615-21kworker/2:007:20:022
214919999349347,1cyclictest0-21swapper/212:25:022
214919999348347,1cyclictest2186124-21kworker/2:210:19:022
214919999348347,1cyclictest2186124-21kworker/2:210:05:032
214919999348347,1cyclictest2186124-21kworker/2:209:15:022
214919999348347,1cyclictest0-21swapper/208:40:022
214919999348346,1cyclictest2231257-21kworker/2:011:46:022
214919999348346,1cyclictest0-21swapper/210:50:032
214919999348346,1cyclictest0-21swapper/210:50:032
214919999348346,1cyclictest0-21swapper/208:05:022
214919999347346,1cyclictest0-21swapper/210:45:032
214919999347346,1cyclictest0-21swapper/208:10:022
214919999347345,1cyclictest0-21swapper/209:27:012
214919999346345,1cyclictest2231257-21kworker/2:012:10:032
214919999346345,1cyclictest2231257-21kworker/2:011:21:022
214919999346345,1cyclictest0-21swapper/212:36:022
214919999346345,1cyclictest0-21swapper/212:21:022
214919999346345,1cyclictest0-21swapper/211:41:022
214919999346345,1cyclictest0-21swapper/211:31:022
214919999346345,1cyclictest0-21swapper/211:10:022
214919999346345,1cyclictest0-21swapper/210:30:022
214919999346344,1cyclictest0-21swapper/207:18:012
214919999345344,1cyclictest2231257-21kworker/2:011:35:022
214919999345344,1cyclictest2186124-21kworker/2:210:12:012
214919999345344,1cyclictest2186124-21kworker/2:208:33:022
214919999345344,1cyclictest0-21swapper/212:30:022
214919999345344,1cyclictest0-21swapper/211:03:032
214919999345344,1cyclictest0-21swapper/210:20:032
214919999345344,1cyclictest0-21swapper/209:30:022
214919999345343,2cyclictest0-21swapper/212:00:022
214919999345343,1cyclictest0-21swapper/209:20:022
214919999345343,1cyclictest0-21swapper/209:20:022
214919999344343,1cyclictest2186124-21kworker/2:208:35:022
214919999344343,1cyclictest2165067-21kworker/2:107:39:012
214919999344343,1cyclictest0-21swapper/208:59:012
214919999344343,1cyclictest0-21swapper/207:45:012
214919999343342,1cyclictest2231257-21kworker/2:011:55:022
214919999343342,1cyclictest2186124-21kworker/2:209:58:022
214919999343342,1cyclictest2165067-21kworker/2:108:03:022
214919999343342,1cyclictest0-21swapper/209:45:022
214919999343342,1cyclictest0-21swapper/209:42:032
214919999343342,1cyclictest0-21swapper/209:02:022
214919999343342,1cyclictest0-21swapper/208:52:022
214919999343342,1cyclictest0-21swapper/207:59:012
214919999343341,1cyclictest2231257-21kworker/2:012:18:022
214919999343341,1cyclictest2231257-21kworker/2:012:18:022
214919999343341,1cyclictest2186124-21kworker/2:209:13:022
214919999343341,1cyclictest2165067-21kworker/2:107:51:012
214919999343341,1cyclictest2165067-21kworker/2:107:51:012
214919999343341,1cyclictest0-21swapper/210:04:022
214919999343341,1cyclictest0-21swapper/209:07:012
214919999342341,1cyclictest3610615-21kworker/2:007:31:012
214919999342340,1cyclictest0-21swapper/212:08:022
214919999342340,1cyclictest0-21swapper/211:19:022
214919999342340,1cyclictest0-21swapper/211:07:032
214919999342340,1cyclictest0-21swapper/208:46:022
214919999341340,1cyclictest2186124-21kworker/2:210:28:022
214919999341340,1cyclictest0-21swapper/210:42:032
214919999341340,1cyclictest0-21swapper/208:23:022
214919999341339,1cyclictest0-21swapper/208:27:022
214919999341339,1cyclictest0-21swapper/207:41:012
214921399300299,1cyclictest2152159-21kworker/4:108:55:014
214921399296295,1cyclictest0-21swapper/407:15:024
214921399295294,1cyclictest0-21swapper/411:05:024
214921399295293,1cyclictest2152159-21kworker/4:110:25:034
214921399294293,1cyclictest2315496-21kworker/4:211:51:024
214921399294293,1cyclictest2152159-21kworker/4:108:45:014
214921399294293,1cyclictest2146052-21kworker/4:007:10:024
214921399293292,1cyclictest2152159-21kworker/4:110:56:024
214921399293292,1cyclictest2152159-21kworker/4:110:08:024
214921399293292,1cyclictest2152159-21kworker/4:110:00:034
214921399293292,1cyclictest2152159-21kworker/4:109:35:034
214921399293292,1cyclictest2152159-21kworker/4:108:15:014
214921399292291,1cyclictest0-21swapper/411:20:024
214921399292290,1cyclictest0-21swapper/410:31:024
214921399292290,1cyclictest0-21swapper/408:20:024
214921399291290,1cyclictest2152159-21kworker/4:109:40:034
214921399291290,1cyclictest2152159-21kworker/4:109:23:014
214921399291290,1cyclictest2152159-21kworker/4:109:23:014
214921399291289,1cyclictest2152159-21kworker/4:107:27:014
214921399290289,1cyclictest2327539-21kworker/4:012:28:034
214921399290289,1cyclictest2152159-21kworker/4:110:44:034
214921399290289,1cyclictest2152159-21kworker/4:107:42:014
214921399290288,2cyclictest2152159-21kworker/4:107:53:024
214921399290288,2cyclictest2152159-21kworker/4:107:53:014
214921399290288,1cyclictest2152159-21kworker/4:111:33:024
214921399290288,1cyclictest2152159-21kworker/4:108:34:024
214921399289288,1cyclictest2152159-21kworker/4:111:14:024
214921399289288,1cyclictest2152159-21kworker/4:110:37:034
214921399289288,1cyclictest2152159-21kworker/4:110:13:034
214921399289287,1cyclictest2152159-21kworker/4:109:19:014
214921399288287,1cyclictest2152159-21kworker/4:111:38:024
214921399288287,1cyclictest2152159-21kworker/4:109:09:014
214921399288287,1cyclictest2152159-21kworker/4:108:13:024
214921399288286,1cyclictest2303468-21kworker/4:011:27:024
214921399287286,1cyclictest2315496-21kworker/4:212:06:024
214921399287286,1cyclictest2152159-21kworker/4:107:36:014
214921399286285,1cyclictest2327539-21kworker/4:012:17:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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