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2026-05-18 - 00:16
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Sun May 17, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
893722996935,32cyclictest1045766-21kworker/1:311:30:141
893722996841,26cyclictest939955-21kworker/1:109:35:161
893722996840,27cyclictest1078950-21kworker/1:211:55:001
893722996833,33cyclictest1036324-21kworker/1:211:05:151
893722996833,33cyclictest1036324-21kworker/1:211:05:151
893722996739,27cyclictest881507-1kworker/1:0H08:40:051
893722996641,24cyclictest881507-1kworker/1:0H12:00:151
893722996440,23cyclictest997231-21kworker/1:110:25:151
893722996437,25cyclictest881507-1kworker/1:0H10:15:011
893728996349,3cyclictest3655225-1kworker/3:2H07:50:143
893722996339,23cyclictest1097666-21kworker/1:012:15:131
893722996336,26cyclictest939955-21kworker/1:109:30:141
893722996336,26cyclictest881507-1kworker/1:0H08:25:051
89372299630,1cyclictest0-21swapper/109:49:471
893722996259,2cyclictest0-21swapper/112:35:211
893722996235,26cyclictest1045766-21kworker/1:311:25:141
89372299620,1cyclictest931698-21diskmemload10:49:321
893722996150,10cyclictest899653-21missed_timers07:25:171
893722996139,20cyclictest890734-21kworker/1:207:15:161
89372299610,59cyclictest0-21swapper/110:32:381
893722996030,29cyclictest881507-1kworker/1:0H09:59:441
893722995942,16cyclictest1006913-21kworker/1:011:00:251
893722995934,24cyclictest928310-21kworker/1:109:10:131
893722995931,27cyclictest1068327-21kworker/1:111:45:141
893722995928,30cyclictest1059644-21kworker/1:211:35:131
893722995842,15cyclictest902027-21kworker/1:107:39:021
893722995842,15cyclictest901772-21kworker/1:007:49:261
893722995841,16cyclictest992494-21kworker/1:010:20:151
893722995841,16cyclictest901772-21kworker/1:007:45:011
893722995841,16cyclictest1040773-21kworker/1:111:10:191
893722995841,16cyclictest1040773-21kworker/1:111:10:181
893722995828,28cyclictest931663-21kworker/1:009:15:151
893722995742,14cyclictest939955-21kworker/1:109:28:021
893722995742,14cyclictest939955-21kworker/1:109:28:011
893722995742,14cyclictest926768-21kworker/1:009:00:091
893722995742,14cyclictest914415-21kworker/1:208:45:021
893722995742,14cyclictest906696-21kworker/1:108:05:011
893722995742,14cyclictest906696-21kworker/1:107:55:291
893722995742,14cyclictest881507-1kworker/1:0H12:09:271
893722995742,14cyclictest1097666-21kworker/1:012:20:321
893722995741,15cyclictest1112069-21kworker/1:212:30:141
893722995738,17cyclictest906696-21kworker/1:108:00:161
89372299571,55cyclictest0-21swapper/108:14:321
893722995642,14cyclictest1112069-21kworker/1:212:29:561
893722995641,14cyclictest919063-21kworker/1:008:34:271
893722995641,14cyclictest881507-1kworker/1:0H07:20:131
893722995641,14cyclictest1027707-21kworker/1:310:59:541
893722995640,14cyclictest881507-1kworker/1:0H09:24:341
893722995639,16cyclictest919063-21kworker/1:008:35:131
893722995637,18cyclictest881507-1kworker/1:0H09:55:001
893722995618,36cyclictest1006913-21kworker/1:010:41:591
89372299560,54cyclictest0-21swapper/111:42:331
893722995541,14cyclictest992494-21kworker/1:010:15:321
893722995540,14cyclictest926768-21kworker/1:008:59:311
893722995540,14cyclictest914415-21kworker/1:208:54:031
893722995540,14cyclictest914415-21kworker/1:208:24:331
893722995540,14cyclictest906696-21kworker/1:107:50:141
893722995540,14cyclictest890734-21kworker/1:207:13:041
893722995540,14cyclictest881507-1kworker/1:0H09:05:081
893722995539,15cyclictest955996-21kworker/1:010:05:011
893722995538,16cyclictest975200-21kworker/1:210:00:181
893722995536,18cyclictest890734-21kworker/1:207:30:121
893722995438,15cyclictest881507-1kworker/1:0H12:10:061
893722995336,16cyclictest1006913-21kworker/1:010:50:131
893721995349,2cyclictest2289984-1kworker/0:1H08:14:020
893721995348,3cyclictest2289984-1kworker/0:1H09:32:300
893728995248,2cyclictest1090908-21kworker/3:212:20:253
893722995242,8cyclictest26350irq/16-i801_smb10:39:571
893722995237,14cyclictest955996-21kworker/1:009:44:401
893722995237,14cyclictest1045766-21kworker/1:311:15:171
893728995146,3cyclictest3655225-1kworker/3:2H07:47:003
893728995146,3cyclictest3040839-21kworker/3:008:25:143
893722995134,16cyclictest1078950-21kworker/1:211:55:141
893722995115,34cyclictest1045766-21kworker/1:311:24:561
893721995146,3cyclictest1088519-21kworker/0:112:15:110
893721995146,3cyclictest1088519-21kworker/0:112:11:110
893728995045,3cyclictest1063119-21kworker/3:011:54:373
893727995046,2cyclictest905414-21kworker/2:108:00:052
893727995046,2cyclictest905414-21kworker/2:107:58:322
893721995046,2cyclictest2289984-1kworker/0:1H08:08:280
893721995045,3cyclictest1108073-21kworker/0:212:35:070
893721995045,3cyclictest1063046-21kworker/0:212:02:370
893721995044,4cyclictest2289984-1kworker/0:1H10:21:260
893728994944,3cyclictest3655225-1kworker/3:2H09:56:023
893728994944,3cyclictest3655225-1kworker/3:2H07:16:013
893728994944,3cyclictest1090908-21kworker/3:212:07:183
893728994943,4cyclictest1054129-21kworker/3:211:33:333
893727994945,3cyclictest889349-21kworker/2:007:15:002
893721994945,2cyclictest966942-21kworker/0:210:19:370
893721994945,2cyclictest2289984-1kworker/0:1H12:05:120
893721994944,3cyclictest966942-21kworker/0:211:00:140
893721994944,3cyclictest962120-21kworker/0:109:50:110
893728994844,3cyclictest972373-21kworker/3:010:09:563
893728994843,2cyclictest3655225-1kworker/3:2H12:25:133
893727994845,2cyclictest905414-21kworker/2:108:18:072
893727994845,2cyclictest3402818-1kworker/2:1H10:26:022
893721994845,2cyclictest966942-21kworker/0:210:42:330
893721994843,3cyclictest2289984-1kworker/0:1H09:16:120
893728994742,3cyclictest3655225-1kworker/3:2H12:37:023
893728994742,3cyclictest1063119-21kworker/3:011:47:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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