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2025-12-09 - 15:40
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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 Tue Dec 09, 2025 13:01:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2584899227221,2cyclictest26592-21inotify_reader12:00:1819
2584899227221,2cyclictest26592-21inotify_reader12:00:1819
2584899227221,2cyclictest26592-21inotify_reader12:00:1819
2584899222208,10cyclictest15980-21CPU19
2584899222208,10cyclictest15980-21CPU19
2584899222208,10cyclictest15980-21CPU19
258199922013,195cyclictest9578-21NetworkChangeNo09:25:191
258199922013,195cyclictest9578-21NetworkChangeNo09:25:191
2584899219197,7cyclictest0-21swapper/2611:35:1819
2584899219197,7cyclictest0-21swapper/2611:35:1819
2584899219197,7cyclictest0-21swapper/2611:35:1819
2582399214197,13cyclictest15979-21CPU34
2582399214197,13cyclictest15979-21CPU34
2584899213172,23cyclictest0-21swapper/2610:45:1919
2584899213172,23cyclictest0-21swapper/2610:45:1919
2584899213172,23cyclictest0-21swapper/2610:45:1919
2584899207169,20cyclictest40242-21inotify_reader11:15:2119
2584899207169,20cyclictest40242-21inotify_reader11:15:2119
2584899207169,20cyclictest40242-21inotify_reader11:15:2119
2587899205199,3cyclictest0-21swapper/3911:55:2133
2587899205199,3cyclictest0-21swapper/3911:55:2133
2587899205199,3cyclictest0-21swapper/3911:55:2133
2581999202151,38cyclictest0-21swapper/109:46:281
2581999202151,38cyclictest0-21swapper/109:46:281
258189920135,154cyclictest12280-21inotify_reader09:45:220
258189920135,154cyclictest12280-21inotify_reader09:45:220
2582599200189,7cyclictest0-21swapper/610:05:0536
2582599200189,7cyclictest0-21swapper/610:05:0536
2582599200189,7cyclictest0-21swapper/610:05:0536
2581999200156,42cyclictest0-21swapper/110:00:561
2581999200156,42cyclictest0-21swapper/110:00:561
2581999200156,42cyclictest0-21swapper/110:00:551
2582299199160,28cyclictest15985-21CPU23
2582299199160,28cyclictest15985-21CPU23
2584899197191,3cyclictest0-21swapper/2611:55:1519
2584899197191,3cyclictest0-21swapper/2611:55:1519
2584899197191,3cyclictest0-21swapper/2611:55:1519
2581999196157,33cyclictest0-21swapper/109:54:521
2581999196157,33cyclictest0-21swapper/109:54:521
2581999196157,33cyclictest0-21swapper/109:54:521
25819991961,189cyclictest0-21swapper/109:05:191
25819991961,189cyclictest0-21swapper/109:05:191
25819991961,189cyclictest0-21swapper/109:05:191
2581999196102,88cyclictest9430-21TaskSchedulerSi11:55:191
2581999196102,88cyclictest9430-21TaskSchedulerSi11:55:191
2581999196102,88cyclictest9430-21TaskSchedulerSi11:55:191
2583999195182,9cyclictest0-21swapper/1812:31:5710
2583999195182,9cyclictest0-21swapper/1812:31:5710
2583599195186,7cyclictest0-21swapper/1410:32:366
2583599195186,7cyclictest0-21swapper/1410:32:366
2582899193155,36cyclictest0-21swapper/912:05:5639
2582899193155,36cyclictest0-21swapper/912:05:5639
2582899193155,36cyclictest0-21swapper/912:05:5539
2582299193177,8cyclictest0-21swapper/311:26:5523
2582299193177,8cyclictest0-21swapper/311:26:5523
2587599191185,4cyclictest0-21swapper/3611:55:4830
2587599191185,4cyclictest0-21swapper/3611:55:4830
2587599191185,4cyclictest0-21swapper/3611:55:4830
25818991919,133cyclictest24954-21TaskSchedulerSi08:50:200
25818991919,133cyclictest24954-21TaskSchedulerSi08:50:200
2586099190184,4cyclictest0-21swapper/3010:43:0424
2586099190184,4cyclictest0-21swapper/3010:43:0324
2583599190180,8cyclictest1922-21polkitd11:16:216
2583599190180,8cyclictest1922-21polkitd11:16:216
2583599190180,8cyclictest1922-21polkitd11:16:216
2582699190183,3cyclictest0-21swapper/709:35:1637
2582699190183,3cyclictest0-21swapper/709:35:1637
2582699190183,3cyclictest0-21swapper/709:35:1637
2583599189162,13cyclictest0-21swapper/1411:47:196
2583599189162,13cyclictest0-21swapper/1411:47:196
2582299189122,50cyclictest3079-21CPU23
2582299189122,50cyclictest3079-21CPU23
2582299189122,50cyclictest3079-21CPU23
25877991881,180cyclictest0-21swapper/3809:05:1832
25877991881,180cyclictest0-21swapper/3809:05:1832
25877991881,180cyclictest0-21swapper/3809:05:1832
258319918822,36cyclictest0-21swapper/1112:30:153
258319918822,36cyclictest0-21swapper/1112:30:153
258199918863,62cyclictest36796-21nfsd08:40:191
25819991881,90cyclictest0-21swapper/108:55:221
25819991881,90cyclictest0-21swapper/108:55:221
25874991876,169cyclictest26587-21NetworkChangeNo09:35:1929
25874991876,169cyclictest26587-21NetworkChangeNo09:35:1929
25874991876,169cyclictest26587-21NetworkChangeNo09:35:1929
2584899187170,3cyclictest0-21swapper/2608:15:1919
2584899187170,3cyclictest0-21swapper/2608:15:1919
2582499187163,19cyclictest4908-21CPU35
2582499187163,19cyclictest4908-21CPU35
2581999187139,37cyclictest0-21swapper/112:14:591
2581999187139,37cyclictest0-21swapper/112:14:591
2581999187139,37cyclictest0-21swapper/112:14:591
2583799186177,7cyclictest0-21swapper/1610:07:378
2583799186177,7cyclictest0-21swapper/1610:07:378
2583199186129,24cyclictest0-21swapper/1111:17:513
2583199186129,24cyclictest0-21swapper/1111:17:513
2583199186129,24cyclictest0-21swapper/1111:17:513
25819991864,174cyclictest5729-21env12:35:201
25819991864,174cyclictest5729-21env12:35:201
25819991864,174cyclictest5729-21env12:35:201
25819991861,153cyclictest0-21swapper/111:09:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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