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2026-09-02 - 15:53
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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 Wed Sep 02, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3987584996461,2cyclictest0-21swapper/112:39:291
398758499640,2cyclictest0-21swapper/108:38:071
3987584996158,2cyclictest0-21swapper/111:05:211
3987584996144,16cyclictest4021275-21kworker/1:209:10:141
398758499610,60cyclictest0-21swapper/112:03:451
3987584996041,18cyclictest2719758-1kworker/1:0H09:55:001
3987584996040,18cyclictest4191282-21kworker/1:212:15:141
3987584995944,14cyclictest7227-21kworker/1:112:29:581
3987584995944,14cyclictest7227-21kworker/1:112:29:571
3987584995942,16cyclictest4031873-21kworker/1:109:29:571
3987584995941,16cyclictest4102710-21kworker/1:310:35:131
3987584995940,17cyclictest2719758-1kworker/1:0H12:05:161
3987584995843,14cyclictest4150166-21kworker/1:211:27:341
3987584995843,14cyclictest4138921-21kworker/1:311:15:361
3987584995843,14cyclictest4060672-21kworker/1:209:49:011
3987584995843,14cyclictest3985771-21kworker/1:107:19:591
3987584995843,14cyclictest3985771-21kworker/1:107:10:141
3987584995842,15cyclictest4159732-21kworker/1:011:50:141
3987584995840,17cyclictest4000329-21kworker/1:108:10:141
3987584995838,18cyclictest3994119-21kworker/1:007:30:141
3987590995741,13cyclictest3718068-1kworker/3:0H11:45:113
3987584995754,2cyclictest0-21swapper/110:45:131
3987584995754,2cyclictest0-21swapper/108:05:131
3987584995744,13cyclictest4031873-21kworker/1:109:30:151
3987584995742,14cyclictest4118217-21kworker/1:210:55:151
3987584995742,14cyclictest4065392-21kworker/1:009:55:151
3987584995742,14cyclictest4051097-21kworker/1:009:43:361
3987584995742,14cyclictest3985771-21kworker/1:107:29:001
3987584995742,14cyclictest2719758-1kworker/1:0H12:24:521
3987584995741,15cyclictest4145423-21kworker/1:011:25:011
3987584995740,16cyclictest4070270-21kworker/1:210:00:141
3987584995740,15cyclictest2719758-1kworker/1:0H07:38:241
3987584995739,16cyclictest4164546-21kworker/1:111:45:141
3987584995728,28cyclictest2719758-1kworker/1:0H10:50:231
398758499570,2cyclictest0-21swapper/110:20:011
3987584995642,14cyclictest4000329-21kworker/1:107:54:361
3987584995641,14cyclictest4150166-21kworker/1:211:40:021
3987584995641,14cyclictest4065392-21kworker/1:010:10:371
3987584995641,14cyclictest4021275-21kworker/1:208:57:071
3987584995641,14cyclictest4000329-21kworker/1:107:55:141
3987584995641,14cyclictest2719758-1kworker/1:0H08:04:341
3987584995639,16cyclictest4021275-21kworker/1:209:00:141
3987584995639,16cyclictest3994119-21kworker/1:007:40:161
3987584995638,17cyclictest4046277-21kworker/1:209:35:151
3987584995637,18cyclictest4007101-21kworker/1:308:45:131
3987590995550,3cyclictest3718068-1kworker/3:0H12:01:343
3987584995541,14cyclictest4102710-21kworker/1:310:44:021
3987584995540,14cyclictest4081635-21kworker/1:210:20:061
3987584995540,14cyclictest4065392-21kworker/1:010:05:001
3987584995540,14cyclictest2719758-1kworker/1:0H08:25:151
3987584995539,15cyclictest4096005-21kworker/1:010:30:141
3987584995539,15cyclictest4009655-21kworker/1:008:24:341
3987584995538,16cyclictest4118217-21kworker/1:211:10:161
3987584995538,16cyclictest4011649-21kworker/1:108:30:141
3987584995537,17cyclictest2719758-1kworker/1:0H08:40:161
398758499550,3cyclictest4038953-21grep09:25:011
3987584995440,14cyclictest3985771-21kworker/1:107:20:041
3987584995439,14cyclictest4186487-21kworker/1:112:10:141
3987584995439,14cyclictest4174167-21kworker/1:111:55:141
3987584995439,14cyclictest4118217-21kworker/1:211:04:341
3987584995439,14cyclictest4007101-21kworker/1:308:15:141
3987584995438,15cyclictest3994119-21kworker/1:007:46:401
3987584995437,16cyclictest4091222-21kworker/1:110:25:151
3987583995450,2cyclictest3987404-21kworker/0:207:31:550
3987590995348,3cyclictest3718068-1kworker/3:0H09:22:063
3987590995340,11cyclictest3718068-1kworker/3:0H11:45:013
3987587995348,3cyclictest3683655-1kworker/2:2H10:52:352
3987584995339,14cyclictest4145423-21kworker/1:011:30:141
3987584995338,14cyclictest4007101-21kworker/1:308:50:241
3987584995336,16cyclictest4154994-21kworker/1:111:35:131
3987584995334,17cyclictest7227-21kworker/1:112:30:151
3987583995349,3cyclictest4020650-21kworker/0:209:08:500
3987583995349,2cyclictest1583174-1kworker/0:0H11:25:130
3987583995347,3cyclictest1583174-1kworker/0:0H12:30:140
3987590995248,2cyclictest4017581-21kworker/3:009:59:563
3987587995248,3cyclictest4020646-21kworker/2:208:53:402
3987587995248,2cyclictest4073775-21kworker/2:010:16:092
3987587995247,3cyclictest3683655-1kworker/2:2H12:05:222
3987584995237,14cyclictest4027129-21kworker/1:009:15:121
3987584995233,18cyclictest4024002-21kworker/1:309:05:141
3987583995249,2cyclictest4168720-21kworker/0:212:25:210
3987583995249,2cyclictest4168720-21kworker/0:212:25:210
3987590995146,3cyclictest4138861-21kworker/3:012:16:343
3987587995148,2cyclictest4008042-21kworker/2:008:21:442
3987583995148,2cyclictest4140882-21kworker/0:111:44:120
3987590995045,3cyclictest4017581-21kworker/3:010:15:273
3987590995042,7cyclictest3718068-1kworker/3:0H12:29:553
3987590995042,7cyclictest3718068-1kworker/3:0H12:29:543
3987590995036,12cyclictest3718068-1kworker/3:0H12:35:143
3987587995047,2cyclictest4093301-21kworker/2:110:29:352
3987587995047,2cyclictest3995670-21kworker/2:007:53:572
3987587995047,2cyclictest3995670-21kworker/2:007:37:012
3987587995046,2cyclictest4008042-21kworker/2:008:36:352
3987587995046,2cyclictest3988980-21kworker/2:207:12:592
3987587995045,3cyclictest3995670-21kworker/2:007:55:592
3987583995047,2cyclictest4032240-21kworker/0:109:33:340
3987583995046,3cyclictest4016012-21kworker/0:008:41:340
3987583995046,3cyclictest3987404-21kworker/0:207:57:340
3987583995045,3cyclictest3987404-21kworker/0:207:53:330
3987590994945,2cyclictest4005024-21kworker/3:208:10:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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