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2026-08-16 - 13:22
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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 Aug 16, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
783087996951,17cyclictest2083510-1kworker/1:1H00:10:011
78308799690,67cyclictest0-21swapper/122:20:171
783087996838,28cyclictest821012-21kworker/1:321:15:141
783087996561,3cyclictest0-21swapper/119:24:591
78308799630,62cyclictest0-21swapper/119:57:461
783087996257,3cyclictest0-21swapper/122:47:111
783087996244,17cyclictest786533-21kworker/1:020:05:001
783087996243,18cyclictest821010-21kworker/1:221:09:091
783087996242,19cyclictest896007-21kworker/1:022:40:001
78308799620,60cyclictest0-21swapper/119:51:081
783087996144,16cyclictest854204-21kworker/1:022:13:391
783087996144,16cyclictest816112-21kworker/1:021:04:061
783087996144,16cyclictest803775-21kworker/1:320:15:141
783087996143,17cyclictest941521-21kworker/1:023:28:151
783087996143,17cyclictest928739-21kworker/1:323:15:241
783087996143,17cyclictest2083510-1kworker/1:1H20:00:171
783087996143,17cyclictest2083510-1kworker/1:1H20:00:171
783087996142,18cyclictest906004-21kworker/1:322:50:191
783087996141,19cyclictest2083510-1kworker/1:1H21:55:321
783087996141,18cyclictest816112-21kworker/1:020:55:011
783087996140,20cyclictest2083510-1kworker/1:1H23:34:391
783087996140,19cyclictest918211-21kworker/1:223:05:161
783087996137,23cyclictest2083510-1kworker/1:1H21:35:001
783087996043,16cyclictest984552-21kworker/1:300:10:171
783087996043,16cyclictest830267-21kworker/1:121:25:011
783087996042,17cyclictest960110-21kworker/1:123:55:011
783087996042,17cyclictest941521-21kworker/1:023:41:131
783087996042,17cyclictest805319-21kworker/1:120:26:541
783087996042,17cyclictest803775-21kworker/1:320:45:161
783087996042,17cyclictest788749-21kworker/1:319:36:421
783087996042,17cyclictest786533-21kworker/1:019:45:451
783087996042,17cyclictest770390-21kworker/1:119:11:391
783087996042,17cyclictest1005948-21kworker/1:100:35:281
783087996042,17cyclictest1005948-21kworker/1:100:35:281
783087996042,17cyclictest1001544-21kworker/1:000:28:331
783087996041,18cyclictest964647-21kworker/1:223:54:441
783087996041,18cyclictest878774-21kworker/1:322:30:141
783087996041,18cyclictest805319-21kworker/1:120:24:531
783087996041,18cyclictest1005948-21kworker/1:100:32:151
783087996040,19cyclictest977216-21kworker/1:000:15:001
783087996040,19cyclictest854204-21kworker/1:021:50:151
783087996040,18cyclictest2083510-1kworker/1:1H00:03:281
783087996039,20cyclictest878774-21kworker/1:322:25:131
783087996039,19cyclictest918211-21kworker/1:223:10:141
783087996039,19cyclictest918211-21kworker/1:223:10:141
783087996039,19cyclictest849628-21kworker/1:121:45:141
783087996038,20cyclictest816121-21kworker/1:120:55:131
783087995954,3cyclictest0-21swapper/123:45:191
783087995952,4cyclictest0-21swapper/123:38:431
783087995941,17cyclictest984552-21kworker/1:300:20:231
783087995941,17cyclictest788749-21kworker/1:319:31:371
783087995941,17cyclictest786533-21kworker/1:019:40:151
783087995940,18cyclictest809955-21kworker/1:220:35:161
783087995939,19cyclictest836633-21kworker/1:021:36:521
783087995939,18cyclictest867899-21kworker/1:122:05:151
783087995939,18cyclictest770390-21kworker/1:119:25:011
783087995938,20cyclictest809955-21kworker/1:220:35:011
783087995938,19cyclictest2083510-1kworker/1:1H19:15:151
783087995937,20cyclictest910661-21kworker/1:022:55:191
783087995937,20cyclictest836633-21kworker/1:021:40:131
783087995929,28cyclictest821012-21kworker/1:321:10:141
783087995840,17cyclictest878774-21kworker/1:322:15:311
783087995839,18cyclictest913275-21kworker/1:123:00:121
783087995838,19cyclictest830267-21kworker/1:121:20:151
783087995838,18cyclictest786533-21kworker/1:020:10:161
783087995837,19cyclictest896007-21kworker/1:022:42:031
783087995738,18cyclictest918211-21kworker/1:223:20:151
783087995738,18cyclictest803775-21kworker/1:320:40:151
783087995736,19cyclictest858803-21kworker/1:322:00:181
783089995550,3cyclictest3685223-1kworker/2:2H23:40:242
783094995348,3cyclictest811572-21kworker/3:021:02:043
783086995350,2cyclictest938563-21kworker/0:023:25:250
783086995349,3cyclictest789644-21kworker/0:020:00:480
783086995349,3cyclictest789644-21kworker/0:020:00:470
783094995248,3cyclictest852492-21kworker/3:122:39:553
783089995249,2cyclictest792720-21kworker/2:019:41:032
783089995249,2cyclictest788101-21kworker/2:219:26:422
783086995247,3cyclictest794276-21kworker/0:119:49:460
783094995147,3cyclictest782989-21kworker/3:120:05:383
783094995147,2cyclictest811572-21kworker/3:020:57:043
783094995146,3cyclictest811572-21kworker/3:021:25:423
783089995146,3cyclictest823080-21kworker/2:221:13:352
783094995047,2cyclictest852492-21kworker/3:122:01:383
783094995045,3cyclictest2713781-1kworker/3:1H00:11:533
783089995047,2cyclictest795818-21kworker/2:119:52:462
783086995047,2cyclictest789644-21kworker/0:019:32:460
783094994946,2cyclictest811572-21kworker/3:020:53:343
783094994944,3cyclictest811572-21kworker/3:020:44:293
783094994944,3cyclictest2713781-1kworker/3:1H00:25:113
783089994945,3cyclictest3685223-1kworker/2:2H00:31:282
783089994945,2cyclictest921392-21kworker/2:123:07:112
783086994946,2cyclictest802484-21kworker/0:220:25:250
783086994944,4cyclictest2318914-1kworker/0:1H00:22:500
783094994845,2cyclictest2713781-1kworker/3:1H00:38:283
783094994845,2cyclictest2713781-1kworker/3:1H00:38:283
783094994844,3cyclictest946966-21kworker/3:200:15:053
783089994845,2cyclictest816124-21kworker/2:121:08:042
783089994845,2cyclictest794277-21kworker/2:219:45:102
783089994845,2cyclictest3685223-1kworker/2:2H22:33:132
783086994845,2cyclictest873582-21kworker/0:222:19:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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