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2026-05-26 - 10:33
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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 Tue May 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3764202996863,3cyclictest0-21swapper/123:34:551
376420299660,64cyclictest0-21swapper/120:21:221
3764202996561,2cyclictest0-21swapper/100:13:531
3764202996460,2cyclictest0-21swapper/123:12:571
3764202996361,1cyclictest0-21swapper/121:17:221
3764202996342,19cyclictest3771361-21kworker/1:219:35:141
3764202996341,20cyclictest3800345-21kworker/1:021:10:131
376420299630,62cyclictest0-21swapper/120:06:471
376420299630,2cyclictest0-21swapper/119:58:531
3764202996259,2cyclictest0-21swapper/120:47:221
3764202996244,17cyclictest3842357-21kworker/1:021:55:151
3764202996244,17cyclictest3334273-1kworker/1:2H22:40:141
3764202996244,17cyclictest3334273-1kworker/1:2H22:40:141
3764202996242,18cyclictest3875523-21kworker/1:022:35:151
3764202996242,18cyclictest3780247-21kworker/1:120:35:141
3764202996240,20cyclictest3968230-21kworker/1:200:15:161
3764202996240,20cyclictest3968230-21kworker/1:200:15:151
3764202996237,22cyclictest3334273-1kworker/1:2H19:55:001
376420299620,1cyclictest0-21swapper/122:48:271
3764202996143,17cyclictest3981868-21kworker/1:100:35:161
3764202996143,17cyclictest3775367-21kworker/1:019:45:131
3764202996142,18cyclictest3790655-21kworker/1:220:55:141
3764202996135,24cyclictest3334273-1kworker/1:2H23:00:141
376420299611,2cyclictest0-21swapper/119:22:191
3764202996057,2cyclictest0-21swapper/123:49:521
3764202996043,16cyclictest3918677-21kworker/1:023:22:471
3764202996043,16cyclictest3832404-21kworker/1:221:45:141
3764202996043,16cyclictest3790655-21kworker/1:221:00:141
3764202996043,16cyclictest3780247-21kworker/1:120:27:251
3764202996042,17cyclictest3949558-21kworker/1:323:52:421
3764202996042,17cyclictest3334273-1kworker/1:2H21:22:281
3764202996041,18cyclictest3897143-21kworker/1:122:55:131
3764202996041,17cyclictest3806735-21kworker/1:221:25:021
3764202996041,17cyclictest3334273-1kworker/1:2H23:15:071
3764202996039,20cyclictest3870884-21kworker/1:222:25:141
3764202996037,21cyclictest3780247-21kworker/1:120:15:151
3764202996036,22cyclictest3935216-21kworker/1:123:40:151
3764202995955,2cyclictest0-21swapper/119:26:271
3764202995942,16cyclictest3949558-21kworker/1:323:57:501
3764202995942,16cyclictest3875523-21kworker/1:022:30:151
3764202995941,17cyclictest3954382-21kworker/1:100:05:031
3764202995941,17cyclictest3954382-21kworker/1:100:00:161
3764202995941,17cyclictest3334273-1kworker/1:2H23:39:461
3764202995941,16cyclictest3771361-21kworker/1:219:30:151
3764202995939,18cyclictest3765645-21kworker/1:319:15:151
3764202995937,20cyclictest3822611-21kworker/1:121:35:141
3764202995937,20cyclictest3800345-21kworker/1:021:05:151
3764202995937,20cyclictest3800345-21kworker/1:021:05:141
3764202995937,20cyclictest3778704-21kworker/1:320:00:151
3764202995840,17cyclictest3855632-21kworker/1:122:11:221
3764202995840,16cyclictest3827473-21kworker/1:021:40:141
3764202995839,17cyclictest3797241-21kworker/1:020:53:531
3764202995839,17cyclictest3334273-1kworker/1:2H20:40:121
3764202995837,19cyclictest3773809-21kworker/1:119:40:131
3764202995739,17cyclictest3981868-21kworker/1:100:32:511
3764202995739,17cyclictest3973383-21kworker/1:000:23:221
3764202995739,17cyclictest3865335-21kworker/1:122:20:151
3764202995739,17cyclictest3780247-21kworker/1:120:10:161
3764202995738,18cyclictest3762626-21kworker/1:119:10:131
3764202995738,17cyclictest3780247-21kworker/1:120:30:141
3764202995738,17cyclictest3334273-1kworker/1:2H22:15:441
3764202995736,19cyclictest3842357-21kworker/1:022:00:151
376420299571,54cyclictest0-21swapper/122:07:251
3764202995639,16cyclictest3923562-21kworker/1:123:25:141
3764205995550,3cyclictest3990022-21kworker/2:100:35:142
3764205995550,3cyclictest1059397-1kworker/2:1H22:38:472
3764202995538,16cyclictest3880030-21kworker/1:322:50:071
3764202995536,18cyclictest3981868-21kworker/1:100:25:171
3764206995449,3cyclictest3791068-21kworker/3:021:22:353
3764202995437,16cyclictest3806735-21kworker/1:221:30:071
376420299541,1cyclictest0-21swapper/121:51:271
3764202995337,15cyclictest3902017-21kworker/1:023:05:151
3764200995346,3cyclictest3009916-1kworker/0:2H23:07:390
3764200995247,3cyclictest3783390-21kworker/0:020:55:200
3764206995144,5cyclictest197269-1kworker/3:0H23:08:513
3764205995146,3cyclictest1059397-1kworker/2:1H20:45:162
3764205995145,3cyclictest1059397-1kworker/2:1H21:25:162
3764206995045,3cyclictest3898519-21kworker/3:123:01:533
3764206995045,3cyclictest197269-1kworker/3:0H20:07:483
3764205995047,2cyclictest1059397-1kworker/2:1H23:37:212
3764205995045,3cyclictest1059397-1kworker/2:1H22:15:072
3764200995045,3cyclictest3009916-1kworker/0:2H19:58:210
3764206994945,3cyclictest197269-1kworker/3:0H00:24:553
3764206994944,3cyclictest3791068-21kworker/3:022:17:403
3764206994943,4cyclictest1706591-21kworker/3:119:44:553
3764200994946,2cyclictest3907885-21kworker/0:223:35:370
3764200994935,12cyclictest3009916-1kworker/0:2H20:40:120
3764206994844,2cyclictest197269-1kworker/3:0H21:30:143
3764206994843,3cyclictest3791068-21kworker/3:022:47:223
3764206994843,3cyclictest3791068-21kworker/3:020:47:523
3764205994845,2cyclictest1059397-1kworker/2:1H21:53:282
3764205994844,3cyclictest1059397-1kworker/2:1H22:27:412
3764205994844,3cyclictest1059397-1kworker/2:1H20:23:492
3764205994844,3cyclictest1059397-1kworker/2:1H00:17:392
3764205994844,3cyclictest1059397-1kworker/2:1H00:17:382
3764205994843,3cyclictest1059397-1kworker/2:1H22:57:372
3764205994842,3cyclictest1059397-1kworker/2:1H19:12:182
3764200994845,2cyclictest3783390-21kworker/0:020:30:420
3764200994845,2cyclictest3780236-21kworker/0:220:07:220
3764200994843,3cyclictest3009916-1kworker/0:2H23:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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