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2026-08-10 - 15:52
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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 Mon Aug 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418901399761,72cyclictest0-21swapper/109:55:161
4189013996461,2cyclictest0-21swapper/111:50:411
418901399640,63cyclictest0-21swapper/107:21:471
4189013996346,16cyclictest3616534-1kworker/1:1H08:00:151
418901399630,1cyclictest0-21swapper/107:19:161
4189013996258,2cyclictest0-21swapper/108:55:231
4189013996245,16cyclictest189168-21kworker/1:312:00:161
4189013996244,17cyclictest3616534-1kworker/1:1H11:45:181
4189013996243,18cyclictest3616534-1kworker/1:1H07:29:171
4189013996243,18cyclictest148023-21kworker/1:311:24:111
4189013996242,19cyclictest148023-21kworker/1:311:35:151
4189013996241,19cyclictest22180-21kworker/1:008:35:011
4189013996144,16cyclictest181314-21kworker/1:211:55:471
4189013996143,17cyclictest69270-21kworker/1:010:00:151
4189013996143,17cyclictest45155-21kworker/1:109:25:141
4189013996143,17cyclictest3616534-1kworker/1:1H08:16:401
4189013996143,17cyclictest24235-21kworker/1:108:50:151
4189013996143,17cyclictest24235-21kworker/1:108:44:121
4189013996143,17cyclictest17538-21kworker/1:008:20:141
4189013996143,17cyclictest167667-21kworker/1:111:40:141
4189013996143,17cyclictest140729-21kworker/1:011:10:351
4189013996143,17cyclictest12912-21kworker/1:108:10:141
4189013996143,17cyclictest126395-21kworker/1:310:55:161
4189013996143,17cyclictest112356-21kworker/1:010:45:001
4189013996142,18cyclictest148023-21kworker/1:311:30:191
4189013996056,2cyclictest0-21swapper/109:24:411
4189013996054,3cyclictest26350irq/16-i801_smb09:35:101
4189013996043,16cyclictest69270-21kworker/1:009:50:151
4189013996043,16cyclictest6202-21kworker/1:207:45:121
4189013996043,16cyclictest29170-21kworker/1:309:05:131
4189013996042,17cyclictest3616534-1kworker/1:1H09:48:461
4189013996042,17cyclictest3616534-1kworker/1:1H09:10:141
4189013996042,17cyclictest213888-21kworker/1:012:30:001
4189013996042,17cyclictest126395-21kworker/1:311:00:161
4189013996042,17cyclictest126395-21kworker/1:311:00:161
4189013996042,17cyclictest101683-21kworker/1:210:31:421
4189013996041,17cyclictest6202-21kworker/1:207:55:131
4189013996041,17cyclictest3616534-1kworker/1:1H08:49:411
4189013996036,22cyclictest145437-21kworker/1:211:15:131
4189013996035,23cyclictest3616534-1kworker/1:1H07:55:001
4189013995942,16cyclictest83954-21kworker/1:310:12:411
4189013995942,16cyclictest204213-21kworker/1:012:20:151
4189013995941,17cyclictest80472-21kworker/1:110:05:141
4189013995941,17cyclictest40304-21kworker/1:209:30:061
4189013995941,17cyclictest3616534-1kworker/1:1H09:43:111
4189013995941,17cyclictest122237-21kworker/1:210:50:151
4189013995940,17cyclictest148023-21kworker/1:311:25:131
4189013995938,19cyclictest194094-21kworker/1:112:10:151
4189013995937,20cyclictest83954-21kworker/1:310:15:111
4189013995840,17cyclictest194094-21kworker/1:112:15:171
4189013995840,17cyclictest112356-21kworker/1:010:40:091
4189013995839,18cyclictest3616534-1kworker/1:1H09:18:411
4189013995839,18cyclictest29170-21kworker/1:309:00:431
4189013995839,18cyclictest1823-21kworker/1:107:30:261
4189013995839,17cyclictest3616534-1kworker/1:1H11:08:411
4189013995839,17cyclictest101683-21kworker/1:210:35:261
4189013995740,16cyclictest194094-21kworker/1:112:07:171
4189013995739,17cyclictest22180-21kworker/1:008:35:151
4189013995738,18cyclictest19097-21kworker/1:208:25:021
4189013995738,17cyclictest3616534-1kworker/1:1H07:40:211
4189013995736,20cyclictest94240-21kworker/1:110:20:131
4189013995736,19cyclictest12912-21kworker/1:108:05:161
418901399570,55cyclictest0-21swapper/107:35:141
4189013995639,16cyclictest4188806-21kworker/1:207:10:121
4189013995536,18cyclictest3616534-1kworker/1:1H10:25:221
4189044995450,2cyclictest16044-21kworker/3:108:54:553
418901399540,52cyclictest0-21swapper/112:37:471
418901399540,1cyclictest0-21swapper/112:25:231
4189039995348,3cyclictest12915-21kworker/2:108:09:062
4189039995248,3cyclictest2129100-1kworker/2:0H10:50:062
4189039995248,3cyclictest1830-21kworker/2:207:32:422
4189039995248,2cyclictest33242-21kworker/2:009:15:522
4189039995147,2cyclictest3646-21kworker/2:007:39:112
4189039995146,3cyclictest156159-21kworker/2:211:28:112
4189044995045,3cyclictest493060-1kworker/3:0H09:35:053
4188991995047,2cyclictest1826-21kworker/0:107:35:440
4188991995045,3cyclictest107820-21kworker/0:110:45:230
4189039994946,2cyclictest17541-21kworker/2:008:25:062
4189039994944,3cyclictest2129100-1kworker/2:0H09:25:292
4189039994944,3cyclictest2129100-1kworker/2:0H08:45:132
4188991994945,3cyclictest33238-21kworker/0:209:12:060
4188991994945,2cyclictest44171-21kworker/0:009:34:120
4188991994945,2cyclictest4176325-1kworker/0:0H11:33:430
4189039994845,2cyclictest51308-21kworker/2:109:36:462
4189039994845,2cyclictest2129100-1kworker/2:0H12:36:532
4189039994844,3cyclictest2129100-1kworker/2:0H09:34:402
4189039994844,2cyclictest2129100-1kworker/2:0H12:15:122
4189039994844,2cyclictest20644-21kworker/2:208:34:412
4189039994843,3cyclictest136934-21kworker/2:111:15:352
4188991994845,2cyclictest4184646-21kworker/0:007:16:440
4188991994844,3cyclictest62825-21kworker/0:110:11:030
4188991994844,2cyclictest62825-21kworker/0:110:16:020
4188991994844,2cyclictest4176325-1kworker/0:0H10:05:120
4188991994843,3cyclictest4176325-1kworker/0:0H11:24:120
4188991994843,3cyclictest4176325-1kworker/0:0H10:00:150
4189044994741,3cyclictest493060-1kworker/3:0H11:20:153
4189039994744,2cyclictest72266-21kworker/2:210:05:422
4189039994743,3cyclictest211086-21kworker/2:112:25:282
4189039994743,3cyclictest136934-21kworker/2:111:20:412
4188991994743,2cyclictest4176325-1kworker/0:0H08:32:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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