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2026-03-11 - 15:36
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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 Wed Mar 11, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33083324160,5sleep121-21ksoftirqd/107:05:141
33325399364362,1cyclictest627680-21kworker/2:207:20:022
33325399363362,1cyclictest0-21swapper/212:35:012
33325399362361,1cyclictest394259-21kworker/2:208:55:012
33325399362361,1cyclictest385205-21kworker/2:008:35:022
33325399362360,1cyclictest0-21swapper/212:31:012
33328299361359,1cyclictest382198-21kworker/6:208:51:026
33325399361360,1cyclictest361142-21kworker/2:107:55:022
33325399361360,1cyclictest0-21swapper/208:50:012
33325399361360,1cyclictest0-21swapper/208:04:022
33325399360359,1cyclictest394259-21kworker/2:211:25:012
33325399360359,1cyclictest0-21swapper/209:00:012
33325399360359,1cyclictest0-21swapper/209:00:012
33325399360359,1cyclictest0-21swapper/208:30:022
33325399360359,1cyclictest0-21swapper/208:10:022
33325399360358,1cyclictest0-21swapper/211:30:012
33325399360358,1cyclictest0-21swapper/210:20:012
33325399359358,1cyclictest394259-21kworker/2:211:45:022
33325399359358,1cyclictest0-21swapper/208:20:022
33325399359357,1cyclictest394259-21kworker/2:210:02:012
33325399359357,1cyclictest0-21swapper/210:40:022
33325399358357,1cyclictest394259-21kworker/2:212:05:012
33325399358357,1cyclictest394259-21kworker/2:211:20:012
33325399358357,1cyclictest0-21swapper/208:25:022
33325399358356,1cyclictest0-21swapper/209:09:012
33325399357356,1cyclictest394259-21kworker/2:211:13:022
33325399357356,1cyclictest394259-21kworker/2:210:28:022
33325399357356,1cyclictest394259-21kworker/2:210:12:012
33325399357356,1cyclictest394259-21kworker/2:210:06:022
33325399357356,1cyclictest394259-21kworker/2:209:51:022
33325399357356,1cyclictest0-21swapper/209:48:022
33325399357355,2cyclictest394259-21kworker/2:211:58:012
33325399357355,2cyclictest394259-21kworker/2:210:56:022
33325399356355,1cyclictest394259-21kworker/2:212:13:012
33325399356355,1cyclictest394259-21kworker/2:210:53:022
33325399356355,1cyclictest394259-21kworker/2:210:16:022
33325399356355,1cyclictest0-21swapper/211:42:012
33325399356355,1cyclictest0-21swapper/211:18:022
33325399356354,1cyclictest394259-21kworker/2:209:27:012
33325399356354,1cyclictest0-21swapper/207:39:022
33325399356354,1cyclictest0-21swapper/207:39:022
33325399356354,1cyclictest0-21swapper/207:32:022
33325399355354,1cyclictest627680-21kworker/2:207:42:022
33325399355354,1cyclictest627680-21kworker/2:207:29:022
33325399355354,1cyclictest394259-21kworker/2:210:33:012
33325399355354,1cyclictest394259-21kworker/2:210:33:012
33325399355354,1cyclictest394259-21kworker/2:209:44:022
33325399355354,1cyclictest0-21swapper/209:36:022
33325399355354,1cyclictest0-21swapper/208:06:022
33325399355354,1cyclictest0-21swapper/207:18:012
33325399355353,1cyclictest0-21swapper/210:48:022
33325399355353,1cyclictest0-21swapper/209:19:012
33325399354353,1cyclictest394259-21kworker/2:209:12:022
33325399354353,1cyclictest0-21swapper/207:47:022
33325399354352,1cyclictest517598-21kworker/2:012:23:012
33325399354352,1cyclictest0-21swapper/209:58:022
33323499351350,1cyclictest0-21swapper/010:55:010
33323499350349,1cyclictest623771-21kworker/0:210:25:010
33323499350349,1cyclictest0-21swapper/009:05:020
33323499350349,1cyclictest0-21swapper/008:37:010
33323499350348,1cyclictest623771-21kworker/0:207:58:020
33323499349348,1cyclictest623771-21kworker/0:208:18:020
33323499349348,1cyclictest0-21swapper/008:42:010
33323499349347,1cyclictest623771-21kworker/0:212:15:010
33323499348347,1cyclictest623771-21kworker/0:209:35:010
33323499348346,1cyclictest0-21swapper/008:45:020
33323499348346,1cyclictest0-21swapper/008:05:020
33323499347346,1cyclictest623771-21kworker/0:208:33:010
33323499347346,1cyclictest0-21swapper/009:55:020
33323499347346,1cyclictest0-21swapper/009:23:010
33323499347346,1cyclictest0-21swapper/007:30:020
33323499347346,1cyclictest0-21swapper/007:27:020
33323499346345,1cyclictest623771-21kworker/0:212:01:010
33323499346345,1cyclictest623771-21kworker/0:212:01:010
33323499346345,1cyclictest623771-21kworker/0:209:14:010
33323499346345,1cyclictest0-21swapper/010:30:020
33323499346345,1cyclictest0-21swapper/010:30:020
33323499346345,1cyclictest0-21swapper/009:18:010
33323499346344,1cyclictest623771-21kworker/0:210:50:010
33323499345344,1cyclictest623771-21kworker/0:211:06:020
33323499345344,1cyclictest0-21swapper/010:03:020
33323499344343,1cyclictest623771-21kworker/0:207:40:020
33323499343342,1cyclictest623771-21kworker/0:208:27:010
33323499343342,1cyclictest0-21swapper/012:22:010
33323499343341,1cyclictest623771-21kworker/0:211:33:020
33326799342341,1cyclictest469439-21kworker/4:210:55:024
33326799342341,1cyclictest0-21swapper/410:25:024
33323499342341,1cyclictest623771-21kworker/0:211:02:010
33323499342341,1cyclictest623771-21kworker/0:209:34:010
33323499342341,1cyclictest0-21swapper/012:14:020
33323499342341,1cyclictest0-21swapper/007:54:020
33323499342340,1cyclictest623771-21kworker/0:210:44:010
33323499342340,1cyclictest623771-21kworker/0:208:23:020
33323499342340,1cyclictest623771-21kworker/0:208:13:020
33326799341340,1cyclictest343105-21kworker/4:009:05:024
33326799341340,1cyclictest343105-21kworker/4:008:37:024
33326799341339,1cyclictest343105-21kworker/4:008:42:024
33323499341340,1cyclictest623771-21kworker/0:212:08:010
33323499341340,1cyclictest623771-21kworker/0:211:49:010
33326799340339,1cyclictest0-21swapper/412:15:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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