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2026-08-22 - 19:51
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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 Sat Aug 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223684399762,2cyclictest0-21swapper/110:55:141
2236843997111,59cyclictest0-21swapper/111:32:581
223684399650,2cyclictest0-21swapper/109:20:051
2236843996359,2cyclictest0-21swapper/107:20:151
223684399630,61cyclictest1-21systemd07:35:011
2236843996243,18cyclictest2241855-21kworker/1:107:45:131
2236843996243,16cyclictest1700891-1kworker/1:0H11:45:361
2236843996237,23cyclictest2407983-21kworker/1:111:45:011
2236843996141,18cyclictest2315397-21kworker/1:010:05:141
2236843996040,18cyclictest1700891-1kworker/1:0H11:25:001
2236843996040,18cyclictest1700891-1kworker/1:0H09:05:011
2236843995944,14cyclictest2267847-21kworker/1:108:55:001
2236843995943,15cyclictest2459845-21kworker/1:112:35:151
2236843995941,16cyclictest1700891-1kworker/1:0H11:25:161
2236843995940,18cyclictest1700891-1kworker/1:0H10:05:001
2236843995939,18cyclictest2403132-21kworker/1:211:35:111
2236843995854,2cyclictest0-21swapper/111:50:461
2236843995843,14cyclictest2451215-21kworker/1:312:25:171
2236843995843,14cyclictest2335528-21kworker/1:010:30:151
2236843995843,14cyclictest2267847-21kworker/1:108:50:161
2236843995843,14cyclictest1700891-1kworker/1:0H09:55:461
2236843995842,15cyclictest2249709-21kworker/1:207:50:131
2236843995839,17cyclictest1700891-1kworker/1:0H10:15:151
2236843995743,14cyclictest2420707-21kworker/1:211:55:361
2236843995742,14cyclictest2359440-21kworker/1:010:50:181
2236843995742,14cyclictest2349832-21kworker/1:110:40:151
2236843995742,14cyclictest2325121-21kworker/1:310:10:241
2236843995742,14cyclictest2280148-21kworker/1:209:19:481
2236843995742,14cyclictest2234269-21kworker/1:207:10:131
2236843995740,16cyclictest1700891-1kworker/1:0H12:15:281
2236843995737,18cyclictest2325121-21kworker/1:310:20:131
2236843995736,20cyclictest2252788-21kworker/1:008:30:141
2236843995736,19cyclictest2451215-21kworker/1:312:35:001
2236843995651,3cyclictest2302632-21cat09:40:181
2236843995641,14cyclictest2388178-21kworker/1:311:20:001
2236843995641,14cyclictest2359440-21kworker/1:011:00:141
2236843995641,14cyclictest1700891-1kworker/1:0H09:29:221
2236843995640,15cyclictest2265133-21kworker/1:208:40:011
2236843995640,15cyclictest2241855-21kworker/1:107:35:151
2236843995639,16cyclictest1700891-1kworker/1:0H12:05:061
2236843995638,17cyclictest2252788-21kworker/1:008:30:001
2236847995550,3cyclictest3299579-1kworker/3:0H11:50:153
2236843995540,14cyclictest2335528-21kworker/1:010:25:491
2236843995540,14cyclictest1700891-1kworker/1:0H12:10:431
2236843995539,15cyclictest2349832-21kworker/1:110:45:141
2236843995538,16cyclictest2233644-21kworker/1:007:15:021
2236846995449,3cyclictest3685223-1kworker/2:2H07:55:232
2236843995440,14cyclictest2242428-21kworker/1:307:25:131
2236843995439,14cyclictest2335528-21kworker/1:010:35:151
2236843995437,16cyclictest1700891-1kworker/1:0H09:31:461
2236843995433,18cyclictest1700891-1kworker/1:0H09:50:211
2236837995451,2cyclictest2339091-21kworker/0:211:05:470
2236837995447,4cyclictest1401721-1kworker/0:0H09:21:050
2236843995338,14cyclictest2376144-21kworker/1:211:05:161
2236843995338,14cyclictest2252788-21kworker/1:008:20:141
2236843995337,15cyclictest2290113-21kworker/1:109:35:001
2236843995337,15cyclictest2252788-21kworker/1:008:01:471
2236843995337,15cyclictest2251249-21kworker/1:107:55:151
2236843995335,17cyclictest2267847-21kworker/1:109:05:141
2236837995349,2cyclictest2443329-21kworker/0:212:20:350
2236837995349,2cyclictest2428076-21kworker/0:012:15:480
2236837995348,3cyclictest2339091-21kworker/0:210:47:470
2236837995348,3cyclictest1401721-1kworker/0:0H11:30:060
2236837995348,3cyclictest1401721-1kworker/0:0H10:55:010
2236847995246,4cyclictest3299579-1kworker/3:0H08:35:423
2236847995246,3cyclictest3299579-1kworker/3:0H10:30:153
2236847995246,3cyclictest3299579-1kworker/3:0H09:10:153
2236846995247,3cyclictest3685223-1kworker/2:2H09:32:472
2236846995247,3cyclictest3685223-1kworker/2:2H07:33:122
2236843995238,14cyclictest2435114-21kworker/1:112:20:151
2236843995237,14cyclictest2252788-21kworker/1:008:15:001
2236843995237,14cyclictest2252788-21kworker/1:008:05:161
2236846995148,2cyclictest3685223-1kworker/2:2H09:15:222
2236846995145,4cyclictest2394101-21kworker/2:112:10:342
2236846995140,3cyclictest3685223-1kworker/2:2H12:05:022
2236846995135,14cyclictest3685223-1kworker/2:2H12:24:482
2236843995136,14cyclictest2304701-21kworker/1:109:45:161
2236843995136,14cyclictest2304701-21kworker/1:109:45:151
2236843995135,15cyclictest2265133-21kworker/1:208:45:131
2236837995148,2cyclictest2236681-21kworker/0:007:10:210
2236837995147,2cyclictest2247305-21kworker/0:008:07:220
2236837995146,3cyclictest2339091-21kworker/0:211:00:130
2236837995145,3cyclictest1401721-1kworker/0:0H11:40:130
2236847995046,2cyclictest2351352-21kworker/3:211:10:203
2236847995045,3cyclictest3299579-1kworker/3:0H09:35:183
2236847995045,3cyclictest3299579-1kworker/3:0H09:22:123
2236847995045,3cyclictest3299579-1kworker/3:0H08:00:123
2236847995045,3cyclictest3299579-1kworker/3:0H07:15:373
2236846995046,2cyclictest3685223-1kworker/2:2H11:59:462
2236846995035,3cyclictest3685223-1kworker/2:2H09:44:122
2236843995035,14cyclictest2267847-21kworker/1:109:10:141
2236843995035,14cyclictest2252788-21kworker/1:008:10:001
2236843995035,14cyclictest1700891-1kworker/1:0H07:40:151
2236843995034,15cyclictest2425332-21kworker/1:112:00:141
2236843995034,15cyclictest2265133-21kworker/1:208:40:001
2236837995048,1cyclictest2260521-21kworker/0:108:35:380
2236837995045,3cyclictest1401721-1kworker/0:0H12:00:420
2236847994944,3cyclictest3299579-1kworker/3:0H08:23:473
2236847994944,3cyclictest182884-21kworker/3:107:50:003
2236846994946,2cyclictest2294835-21kworker/2:209:45:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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