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2026-01-02 - 16:41
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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 Fri Jan 02, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418450399381379,2cyclictest81820-21kworker/5:010:02:025
418450399381379,2cyclictest39704-21kworker/5:208:31:025
418450399381379,1cyclictest27686-21kworker/5:008:23:025
418450399381379,1cyclictest230759-21kworker/5:207:57:025
418450399381379,1cyclictest114929-21kworker/5:112:18:035
418450399381379,1cyclictest114929-21kworker/5:112:13:025
4184503993810,380cyclictest0-21swapper/511:11:025
4184503993810,380cyclictest0-21swapper/507:44:025
418446499381380,1cyclictest4191010-21kworker/0:307:38:020
418446499381379,1cyclictest90694-21kworker/0:210:07:020
418446499381379,1cyclictest4191010-21kworker/0:309:44:020
418446499381379,1cyclictest4191010-21kworker/0:308:43:020
418446499381379,1cyclictest4191010-21kworker/0:308:07:020
4184464993810,380cyclictest0-21swapper/011:24:020
418450399380379,1cyclictest81820-21kworker/5:010:08:035
418450399380379,1cyclictest39704-21kworker/5:208:57:025
418450399380379,1cyclictest230759-21kworker/5:207:47:035
418450399380379,1cyclictest230759-21kworker/5:207:47:025
418450399380379,1cyclictest114929-21kworker/5:110:48:025
418450399380379,1cyclictest0-21swapper/512:24:025
418450399380379,1cyclictest0-21swapper/511:04:025
4184503993800,379cyclictest0-21swapper/509:07:025
4184503993800,1cyclictest0-21swapper/508:12:035
418446499380379,1cyclictest4191010-21kworker/0:309:18:020
418446499380378,1cyclictest90694-21kworker/0:211:41:020
4184464993800,380cyclictest0-21swapper/008:58:020
4184464993800,379cyclictest0-21swapper/009:26:030
4184464993800,1cyclictest0-21swapper/011:37:020
4184464993800,1cyclictest0-21swapper/007:54:020
418450399379378,1cyclictest39704-21kworker/5:208:41:025
418450399379378,1cyclictest114929-21kworker/5:112:34:025
418450399379378,1cyclictest114929-21kworker/5:112:08:025
418450399379378,1cyclictest114929-21kworker/5:112:08:025
418450399379378,1cyclictest114929-21kworker/5:111:08:025
418450399379378,1cyclictest114929-21kworker/5:110:59:025
418450399379378,1cyclictest114929-21kworker/5:110:52:025
418450399379378,1cyclictest114929-21kworker/5:110:42:025
418450399379378,1cyclictest108912-21kworker/5:210:34:025
418450399379377,1cyclictest0-21swapper/511:42:025
418446499379378,1cyclictest4191010-21kworker/0:308:39:020
418446499379377,1cyclictest4191010-21kworker/0:307:58:020
4184464993790,1cyclictest0-21swapper/012:11:020
4184464993790,1cyclictest0-21swapper/009:34:030
4184464993790,0cyclictest0-21swapper/011:47:020
4184464993790,0cyclictest0-21swapper/007:49:020
4184464993790,0cyclictest0-21swapper/007:49:020
418450399378377,1cyclictest39704-21kworker/5:208:46:025
418450399378377,1cyclictest230759-21kworker/5:207:27:025
418450399378377,1cyclictest0-21swapper/511:39:025
418450399378376,1cyclictest230759-21kworker/5:207:37:025
4184464993780,378cyclictest0-21swapper/010:16:020
4184464993780,0cyclictest0-21swapper/012:06:020
4184464993780,0cyclictest0-21swapper/012:06:020
418450399377376,1cyclictest39704-21kworker/5:209:14:035
418450399377376,1cyclictest39704-21kworker/5:209:14:025
418450399377376,1cyclictest0-21swapper/512:37:025
418448999368367,1cyclictest126959-21kworker/3:111:36:023
418448399359358,1cyclictest0-21swapper/207:10:022
418448399351350,1cyclictest0-21swapper/208:18:022
418448399348347,1cyclictest54376-21kworker/2:210:35:032
418448399348347,1cyclictest54376-21kworker/2:210:35:022
418448399348347,1cyclictest0-21swapper/211:40:022
418448399348347,1cyclictest0-21swapper/208:40:022
418448399347346,1cyclictest54376-21kworker/2:209:25:022
418448399347346,1cyclictest4155948-21kworker/2:108:20:022
418448399347346,1cyclictest4155948-21kworker/2:108:01:032
418448399347346,1cyclictest0-21swapper/212:35:022
418448399347346,1cyclictest0-21swapper/211:32:022
418448399347346,1cyclictest0-21swapper/207:20:022
418448399346345,1cyclictest54376-21kworker/2:209:45:032
418448399346345,1cyclictest150652-21kworker/2:311:55:022
418448399346345,1cyclictest0-21swapper/211:10:022
418448399346345,1cyclictest0-21swapper/210:40:022
418448399345344,1cyclictest54376-21kworker/2:210:28:022
418448399345344,1cyclictest4155948-21kworker/2:107:45:032
418448399345344,1cyclictest4155948-21kworker/2:107:45:032
418448399345344,1cyclictest0-21swapper/210:13:022
418448399345344,1cyclictest0-21swapper/209:10:032
418448399345344,1cyclictest0-21swapper/209:10:032
418448399345344,1cyclictest0-21swapper/207:30:022
418448399345343,1cyclictest150652-21kworker/2:312:01:022
418448399345343,1cyclictest120948-21kworker/2:011:01:022
418448399345343,1cyclictest0-21swapper/210:20:022
418448399344343,1cyclictest54376-21kworker/2:209:50:022
418448399344343,1cyclictest0-21swapper/211:50:022
418448399344343,1cyclictest0-21swapper/211:38:022
418448399344343,1cyclictest0-21swapper/210:50:022
418448399344343,1cyclictest0-21swapper/210:00:022
418448399343342,1cyclictest150652-21kworker/2:312:27:022
418448399343342,1cyclictest120948-21kworker/2:011:09:022
418448399343342,1cyclictest0-21swapper/208:14:022
418448399343342,1cyclictest0-21swapper/207:40:032
418448399343341,1cyclictest4155948-21kworker/2:107:18:022
418448399343341,1cyclictest0-21swapper/209:56:022
418448399343341,1cyclictest0-21swapper/208:33:022
418448399342341,1cyclictest0-21swapper/211:46:022
418448399342341,1cyclictest0-21swapper/210:57:022
418448399342341,1cyclictest0-21swapper/210:31:022
418448399342341,1cyclictest0-21swapper/207:36:022
418448399342340,1cyclictest54376-21kworker/2:209:02:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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