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2026-04-22 - 23:00
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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 Apr 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3877297997728,47cyclictest3908526-21kworker/1:109:05:131
3877297997341,30cyclictest3978461-21kworker/1:010:35:131
3877297997042,26cyclictest3883743-21kworker/1:107:30:141
3877297996936,31cyclictest3891541-21kworker/1:208:00:131
3877297996762,3cyclictest0-21swapper/112:18:381
3877297996737,29cyclictest1804462-1kworker/1:2H12:00:141
3877297996638,27cyclictest1804462-1kworker/1:2H07:15:021
387729799660,64cyclictest3893092-21cron08:00:001
387729799650,63cyclictest3914980-21diskmemload11:42:401
3877297996433,29cyclictest4072711-21kworker/1:112:25:151
3877297996431,31cyclictest1804462-1kworker/1:2H08:45:001
387729799640,63cyclictest0-21swapper/110:16:431
3877297996342,20cyclictest4027503-21kworker/1:111:30:211
3877297996338,24cyclictest3886880-21kworker/1:207:40:131
3877297996335,26cyclictest1804462-1kworker/1:2H07:10:131
387729799630,2cyclictest0-21swapper/108:16:331
3877297996258,2cyclictest3909124-21fschecks_count08:50:131
3877297996241,20cyclictest3948854-21kworker/1:209:55:141
3877297996142,17cyclictest4049079-21kworker/1:111:55:141
3877297996137,22cyclictest4036137-21kworker/1:011:50:131
3877297996132,28cyclictest1804462-1kworker/1:2H12:10:131
3877297996130,30cyclictest3926367-21kworker/1:309:25:141
3877297996042,17cyclictest3888465-21kworker/1:107:49:091
3877297996041,17cyclictest4077006-21kworker/1:012:30:131
3877297996041,17cyclictest3918435-21kworker/1:009:20:051
3877297996041,17cyclictest3908526-21kworker/1:109:10:011
3877297996040,18cyclictest3943376-21kworker/1:309:50:131
387729799600,3cyclictest4012313-21sshd11:08:451
3877297995942,16cyclictest3948854-21kworker/1:210:00:011
3877297995942,16cyclictest3938885-21kworker/1:209:44:151
3877297995941,17cyclictest3964777-21kworker/1:210:20:101
3877297995941,17cyclictest3908526-21kworker/1:109:00:141
3877297995940,17cyclictest4004167-21kworker/1:111:03:401
3877297995940,17cyclictest3978461-21kworker/1:010:30:161
3877297995940,17cyclictest3890006-21kworker/1:007:50:111
3877297995939,18cyclictest3926367-21kworker/1:309:30:161
3877297995938,20cyclictest4058253-21kworker/1:212:20:131
3877297995938,19cyclictest4040447-21kworker/1:111:45:121
3877297995841,16cyclictest4081282-21kworker/1:212:35:121
3877297995841,15cyclictest3995583-21kworker/1:010:48:421
3877297995840,16cyclictest3879843-21kworker/1:307:21:091
3877297995839,18cyclictest3943237-21kworker/1:109:47:091
3877297995839,18cyclictest3943237-21kworker/1:109:47:081
3877297995839,17cyclictest4004167-21kworker/1:111:10:011
3877297995839,17cyclictest3978461-21kworker/1:010:28:091
3877297995839,17cyclictest3908526-21kworker/1:108:55:141
3877297995838,19cyclictest3953598-21kworker/1:010:10:131
3877297995837,20cyclictest1804462-1kworker/1:2H10:09:591
3877297995837,19cyclictest1804462-1kworker/1:2H10:55:141
3877297995832,25cyclictest3901438-21kworker/1:308:35:141
3877297995739,17cyclictest4004167-21kworker/1:111:20:141
3877297995739,17cyclictest3908526-21kworker/1:109:18:321
3877297995738,18cyclictest1804462-1kworker/1:2H08:33:291
3877297995738,17cyclictest4027503-21kworker/1:111:35:011
3877297995638,17cyclictest4058253-21kworker/1:212:06:091
3877297995638,17cyclictest3934547-21kworker/1:109:35:161
3877297995636,18cyclictest3995583-21kworker/1:010:50:141
3877301995550,3cyclictest2604480-21kworker/3:007:50:183
3877297995544,9cyclictest602-21in:imuxsock07:28:131
3877297995523,30cyclictest1804462-1kworker/1:2H08:50:011
387729799551,51cyclictest3900521-21cat08:20:201
3877301995450,2cyclictest4080682-21kworker/3:112:36:153
3877301995450,2cyclictest2604480-21kworker/3:008:52:083
3877301995449,3cyclictest3996696-21kworker/3:211:00:443
3877297995349,2cyclictest0-21swapper/111:29:551
3877297995337,15cyclictest3991319-21kworker/1:210:43:421
3877297995337,15cyclictest3893083-21kworker/1:108:10:161
3877297995337,15cyclictest3893083-21kworker/1:108:05:141
3877301995249,2cyclictest2604480-21kworker/3:008:46:343
3877301995249,2cyclictest2604480-21kworker/3:007:23:183
3877301995248,2cyclictest4064986-21kworker/3:012:26:443
3877301995247,3cyclictest4028613-21kworker/3:011:44:553
3877298995247,3cyclictest3921679-21kworker/2:109:17:372
3877298995247,3cyclictest3819399-1kworker/2:0H11:56:092
3877301995147,3cyclictest2604480-21kworker/3:008:28:343
3877301995147,2cyclictest2604480-21kworker/3:009:07:343
3877298995146,3cyclictest3819399-1kworker/2:0H08:50:132
3877298995145,3cyclictest3819399-1kworker/2:0H10:15:132
3877298995127,22cyclictest3966602-21kworker/2:210:40:112
3877297995136,14cyclictest3885338-21kworker/1:007:35:121
3877295995146,4cyclictest2604461-1kworker/0:2H10:11:400
3877301995043,4cyclictest1677842-1kworker/3:0H10:08:363
3877298995045,3cyclictest3819399-1kworker/2:0H08:59:392
3877298995045,3cyclictest3819399-1kworker/2:0H07:24:392
3877297995035,14cyclictest3896185-21kworker/1:208:25:011
3877297995034,15cyclictest4018253-21kworker/1:011:18:521
3877301994941,5cyclictest3996696-21kworker/3:211:09:433
3877298994946,2cyclictest3819399-1kworker/2:0H08:08:152
3877298994945,2cyclictest3819399-1kworker/2:0H08:22:392
3877298994944,3cyclictest3943258-21kworker/2:110:00:262
387729799490,3cyclictest3877307-21latency_hist07:10:011
3877301994845,2cyclictest4064986-21kworker/3:012:18:083
3877301994844,2cyclictest2604480-21kworker/3:009:35:423
3877298994844,3cyclictest3819399-1kworker/2:0H11:41:332
3877298994843,3cyclictest4085054-21kworker/2:212:39:242
3877298994843,3cyclictest3921679-21kworker/2:109:28:382
3877301994744,2cyclictest3996696-21kworker/3:210:56:383
3877301994742,3cyclictest3996696-21kworker/3:211:15:373
3877301994742,3cyclictest1677842-1kworker/3:0H10:03:373
3877301994741,3cyclictest1677842-1kworker/3:0H09:25:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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