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2025-11-21 - 08:47
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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 rack6slot0.osadl.org (updated Fri Nov 21, 2025 01:00:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39487992770,3cyclictest33154-21inotify_reader19:15:1939
39487992770,3cyclictest33154-21inotify_reader19:15:1939
3947899254229,4cyclictest351rcuc/222:55:2012
3947899254229,4cyclictest351rcuc/222:55:2012
3947899254229,4cyclictest351rcuc/222:55:2012
3949199230199,13cyclictest0-21swapper/1322:00:185
3949199230199,13cyclictest0-21swapper/1322:00:185
3949199230199,13cyclictest0-21swapper/1322:00:185
394939922134,167cyclictest11905-21CPU7
394939922134,167cyclictest11905-21CPU7
394899921657,152cyclictest11903-21CPU3
394899921657,152cyclictest11903-21CPU3
394899921657,152cyclictest11903-21CPU3
3947899213206,3cyclictest38031-21inotify_reader21:25:1712
3947899213206,3cyclictest38031-21inotify_reader21:25:1712
394779921320,189cyclictest10767-21inotify_reader21:25:181
394779921320,189cyclictest10767-21inotify_reader21:25:181
3948199209197,9cyclictest0-21swapper/521:51:1435
3948199209197,9cyclictest0-21swapper/521:51:1435
3947899208203,3cyclictest0-21swapper/220:00:2012
3947899208203,3cyclictest0-21swapper/220:00:1912
39510992071,14cyclictest0-21swapper/2919:20:1722
39510992071,14cyclictest0-21swapper/2919:20:1722
39489992051,145cyclictest0-21swapper/1122:15:193
39489992051,145cyclictest0-21swapper/1122:15:193
394899920361,136cyclictest4908-21CPU3
394899920361,136cyclictest4908-21CPU3
3947899203198,4cyclictest0-21swapper/221:35:1412
3947899203198,4cyclictest0-21swapper/221:35:1312
3947899202191,7cyclictest3079-21CPU12
3947899202191,7cyclictest3079-21CPU12
395229919741,146cyclictest39590-21TaskSchedulerSi21:20:2132
395229919741,146cyclictest39590-21TaskSchedulerSi21:20:2132
3951899196192,3cyclictest0-21swapper/3520:35:1929
3951899196192,3cyclictest0-21swapper/3520:35:1929
39479991962,87cyclictest15981-21CPU23
39479991962,87cyclictest15981-21CPU23
39479991962,87cyclictest15981-21CPU23
395039919532,146cyclictest4630-21CPU17
395039919532,146cyclictest4630-21CPU17
395229919448,137cyclictest17284-21NetworkChangeNo21:45:2032
395229919448,137cyclictest17284-21NetworkChangeNo21:45:2032
3948499194187,3cyclictest4905-21CPU37
3948499194187,3cyclictest4905-21CPU37
395229919398,52cyclictest0-21swapper/3820:55:2532
395229919398,52cyclictest0-21swapper/3820:55:2532
394779919315,109cyclictest31380-21NetworkChangeNo22:15:191
394779919315,109cyclictest31380-21NetworkChangeNo22:15:191
394929919244,135cyclictest0-21swapper/1421:50:236
394929919244,135cyclictest0-21swapper/1421:50:236
39503991916,113cyclictest38097-21TaskSchedulerSi20:30:2417
39503991901,167cyclictest0-21swapper/2422:40:1917
39503991901,167cyclictest0-21swapper/2422:40:1917
39503991901,167cyclictest0-21swapper/2422:40:1917
3951499189183,3cyclictest0-21swapper/3222:20:2226
3951499189183,3cyclictest0-21swapper/3222:20:2226
3947899189168,13cyclictest0-21swapper/220:05:1812
3947899189168,13cyclictest0-21swapper/220:05:1812
395109918829,103cyclictest5273-21inotify_reader22:20:2122
395109918829,103cyclictest5273-21inotify_reader22:20:2122
394899918759,124cyclictest15979-21CPU3
394899918759,124cyclictest15979-21CPU3
394899918759,124cyclictest15979-21CPU3
3947899187180,4cyclictest0-21swapper/221:43:3512
3947899187180,4cyclictest0-21swapper/221:43:3512
3947899187180,4cyclictest0-21swapper/221:43:3412
394779918735,148cyclictest14635-21TaskSchedulerSi21:50:201
394779918735,148cyclictest14635-21TaskSchedulerSi21:50:201
39479991861,91cyclictest10003-21inotify_reader00:05:1823
39479991861,91cyclictest10003-21inotify_reader00:05:1723
3950799185157,6cyclictest34400-21inotify_reader21:50:1920
3950799185157,6cyclictest34400-21inotify_reader21:50:1920
395049918585,53cyclictest0-21swapper/2500:05:0018
395049918585,53cyclictest0-21swapper/2500:05:0018
3948299185181,2cyclictest0-21swapper/622:10:2536
3948299185181,2cyclictest0-21swapper/622:10:2536
395229918429,143cyclictest0-21swapper/3800:20:2032
395229918429,143cyclictest0-21swapper/3800:20:2032
395049918447,131cyclictest31654-21NetworkChangeNo23:00:1818
395049918447,131cyclictest31654-21NetworkChangeNo23:00:1818
395049918447,131cyclictest31654-21NetworkChangeNo23:00:1818
3948999184153,21cyclictest0-21swapper/1121:45:493
3948999184153,21cyclictest0-21swapper/1121:45:493
3948199184170,12cyclictest0-21swapper/521:36:0335
3948199184170,12cyclictest0-21swapper/521:36:0335
394899918398,72cyclictest25905-21inotify_reader21:40:193
394899918398,72cyclictest25905-21inotify_reader21:40:193
394899918398,72cyclictest25905-21inotify_reader21:40:193
3948199183172,9cyclictest0-21swapper/522:57:3735
3948199183172,9cyclictest0-21swapper/522:57:3735
3948199183172,9cyclictest0-21swapper/522:57:3635
3948499182173,6cyclictest0-21swapper/723:21:1837
3948499182173,6cyclictest0-21swapper/723:21:1837
3947899182109,69cyclictest4632-21CPU12
3947899182109,69cyclictest4632-21CPU12
3950399181105,68cyclictest5176-21TaskSchedulerSi23:45:1817
3950399181105,68cyclictest5176-21TaskSchedulerSi23:45:1817
3950399181105,68cyclictest5176-21TaskSchedulerSi23:45:1817
394959918121,146cyclictest11898-21CPU9
394959918121,146cyclictest11898-21CPU9
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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