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2026-03-18 - 02:17
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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 Tue Mar 17, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1430108997338,34cyclictest1446524-21kworker/1:208:00:141
1430108997242,29cyclictest1578039-21kworker/1:311:20:131
1430108997039,29cyclictest3445000-1kworker/1:1H12:39:181
1430108996835,31cyclictest1562080-21kworker/1:211:05:131
1430108996641,23cyclictest1508732-21kworker/1:110:00:121
143010899652,62cyclictest0-21swapper/109:21:381
143010899650,63cyclictest0-21swapper/110:50:001
1430108996360,2cyclictest0-21swapper/111:37:401
1430108996360,2cyclictest0-21swapper/110:05:131
1430108996245,16cyclictest1508732-21kworker/1:109:58:401
143010899603,55cyclictest1556862-21kworker/1:011:00:041
143010899600,58cyclictest0-21swapper/110:55:321
1430108995943,15cyclictest1568679-21kworker/1:111:10:141
1430108995942,16cyclictest1508709-21kworker/1:010:30:051
1430108995941,17cyclictest1568679-21kworker/1:111:30:121
1430108995941,16cyclictest1438708-21kworker/1:007:36:201
1430108995926,31cyclictest1443203-21kworker/1:307:55:131
143010899590,58cyclictest0-21swapper/110:14:471
143010899590,57cyclictest0-21swapper/111:54:151
1430108995842,15cyclictest1607627-21kworker/1:312:05:161
1430108995842,15cyclictest1607627-21kworker/1:312:05:151
1430108995842,15cyclictest1568679-21kworker/1:111:29:071
1430108995842,15cyclictest1460936-21kworker/1:108:45:251
1430108995842,15cyclictest1456051-21kworker/1:308:58:331
1430108995841,16cyclictest1468642-21kworker/1:209:30:021
1430108995841,16cyclictest1446524-21kworker/1:208:35:051
143010899580,56cyclictest0-21swapper/109:27:511
1430108995741,15cyclictest3445000-1kworker/1:1H10:25:141
1430108995741,15cyclictest1499114-21kworker/1:209:50:161
1430108995741,15cyclictest1468642-21kworker/1:209:13:461
1430108995741,15cyclictest1446524-21kworker/1:208:25:161
1430108995741,15cyclictest1438708-21kworker/1:007:44:031
1430108995740,16cyclictest1443203-21kworker/1:307:50:131
1430108995739,17cyclictest1431530-21kworker/1:307:20:001
1430108995724,32cyclictest1446524-21kworker/1:208:20:001
143010899571,54cyclictest0-21swapper/107:30:141
143010899570,55cyclictest0-21swapper/112:25:181
1430112995640,4cyclictest1534695-21kworker/2:210:32:002
1430108995651,3cyclictest0-21swapper/109:08:511
1430108995640,15cyclictest1562080-21kworker/1:211:15:141
1430108995640,15cyclictest1508709-21kworker/1:010:37:421
1430108995640,15cyclictest1492397-21kworker/1:309:45:151
1430108995640,15cyclictest1486481-21kworker/1:009:40:141
1430108995640,15cyclictest1456051-21kworker/1:308:30:171
1430108995637,18cyclictest1444738-21kworker/1:108:05:131
1430108995633,22cyclictest1453229-21kworker/1:108:20:131
1430108995623,26cyclictest0-21swapper/111:57:541
143010899561,53cyclictest0-21swapper/112:01:241
143010899560,55cyclictest0-21swapper/110:42:381
143010899560,33cyclictest0-21swapper/111:47:181
143010899560,1cyclictest0-21swapper/109:17:061
1430112995540,12cyclictest1401689-1kworker/2:0H10:08:542
1430108995540,14cyclictest1429946-21kworker/1:207:10:141
1430108995539,15cyclictest1617548-21kworker/1:012:15:131
1430108995539,15cyclictest1617548-21kworker/1:012:15:001
1430108995539,15cyclictest1612262-21kworker/1:212:30:391
1430108995539,15cyclictest1456051-21kworker/1:308:40:071
1430108995539,15cyclictest1438708-21kworker/1:007:46:391
1430108995535,18cyclictest3445000-1kworker/1:1H10:20:121
1430108995533,21cyclictest3445000-1kworker/1:1H08:10:171
143010899551,53cyclictest0-21swapper/109:35:431
1430112995449,3cyclictest1401689-1kworker/2:0H11:10:212
1430112995447,4cyclictest1401689-1kworker/2:0H11:50:142
1430108995438,15cyclictest1590974-21kworker/1:211:40:001
1430108995438,15cyclictest1549546-21kworker/1:110:50:011
1430108995431,22cyclictest1465550-21kworker/1:009:00:141
1430112995348,3cyclictest1492183-21kworker/2:109:53:442
1430112995340,9cyclictest1401689-1kworker/2:0H11:55:152
1430108995335,17cyclictest3445000-1kworker/1:1H08:50:121
1430108995335,17cyclictest1627915-21kworker/1:312:20:001
1430108995335,17cyclictest1431530-21kworker/1:307:20:341
1430108995334,18cyclictest1524140-21kworker/1:310:15:161
1430107995347,4cyclictest1430239-21kworker/0:207:15:380
1430113995248,3cyclictest2349911-1kworker/3:0H11:19:133
1430112995247,3cyclictest1401689-1kworker/2:0H08:21:372
1430112995246,4cyclictest1401689-1kworker/2:0H08:29:372
1430112995246,4cyclictest1401689-1kworker/2:0H07:44:372
1430112995146,3cyclictest1401689-1kworker/2:0H07:50:002
1430112995145,4cyclictest1401689-1kworker/2:0H10:20:432
1430112995144,4cyclictest1534695-21kworker/2:210:35:172
1430112995138,11cyclictest1401689-1kworker/2:0H11:40:172
143010899510,2cyclictest0-21swapper/107:25:231
1430112995044,4cyclictest1401689-1kworker/2:0H11:33:302
1430112995044,4cyclictest1401689-1kworker/2:0H08:32:372
1430112995034,13cyclictest1401689-1kworker/2:0H11:20:132
1430107995047,2cyclictest1454766-21kworker/0:108:49:390
1430107995045,3cyclictest2494205-1kworker/0:2H09:50:040
1430113994946,2cyclictest1570220-21kworker/3:012:13:053
1430113994946,2cyclictest1494243-21kworker/3:109:50:393
1430113994945,2cyclictest2349911-1kworker/3:0H11:45:133
1430112994945,2cyclictest1444803-21kworker/2:008:37:042
1430112994944,3cyclictest1401689-1kworker/2:0H09:03:502
1430112994943,4cyclictest1632121-21kworker/2:212:29:392
1430112994943,4cyclictest1438199-21kworker/2:107:36:192
1430113994845,2cyclictest2349911-1kworker/3:0H07:57:023
1430113994845,2cyclictest1623687-21kworker/3:112:27:383
1430113994845,2cyclictest1454510-21kworker/3:008:25:213
1430113994844,2cyclictest1523657-21kworker/3:210:29:553
1430107994844,2cyclictest1584908-21kworker/0:011:31:390
1430107994844,2cyclictest1475396-21kworker/0:109:28:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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