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2026-04-02 - 12:37
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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 Thu Apr 02, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3449808997441,31cyclictest3513915-21kworker/1:222:00:131
3449808997141,29cyclictest3639392-21kworker/1:200:35:001
3449808997043,26cyclictest3479741-21kworker/1:020:45:131
3449808996946,22cyclictest535011-1kworker/1:2H00:25:121
3449808996842,25cyclictest3540908-21kworker/1:022:40:351
3449808996737,29cyclictest3621802-21kworker/1:023:55:131
3449808996638,26cyclictest3582892-21kworker/1:023:05:141
344980899660,63cyclictest3496493-21fschecks_time21:20:131
3449808996561,2cyclictest0-21swapper/122:55:541
344980899650,1cyclictest0-21swapper/121:45:151
3449808996435,27cyclictest535011-1kworker/1:2H22:30:141
3449808996434,28cyclictest3487458-21kworker/1:221:30:011
3449808996433,29cyclictest3613178-21kworker/1:223:45:131
3449808996361,1cyclictest0-21swapper/123:25:451
3449808996358,3cyclictest0-21swapper/122:25:431
3449808996235,25cyclictest3570525-21kworker/1:322:50:131
3449808996143,17cyclictest3540908-21kworker/1:022:19:581
3449808996143,17cyclictest3493652-21kworker/1:021:16:581
3449808996143,17cyclictest3481526-21kworker/1:120:52:321
3449808996143,17cyclictest3445443-21kworker/1:219:13:021
3449808996143,17cyclictest3445443-21kworker/1:219:13:011
3449808996143,16cyclictest3473557-21kworker/1:020:25:131
3449808996142,18cyclictest535011-1kworker/1:2H19:19:001
3449808996142,18cyclictest535011-1kworker/1:2H19:19:001
3449808996142,18cyclictest3449623-21kworker/1:319:20:051
3449808996141,19cyclictest535011-1kworker/1:2H19:50:171
3449808996139,21cyclictest3467130-21kworker/1:220:10:131
3449808996132,27cyclictest3487458-21kworker/1:221:30:151
3449808996126,33cyclictest3582892-21kworker/1:023:35:141
3449808996043,16cyclictest3639392-21kworker/1:200:34:561
3449808996043,16cyclictest3623805-21kworker/1:200:00:251
3449808996043,16cyclictest3582892-21kworker/1:023:40:151
3449808996043,16cyclictest3478182-21kworker/1:320:40:021
3449808996043,16cyclictest3467130-21kworker/1:220:38:051
3449808996042,17cyclictest3592975-21kworker/1:323:30:441
3449808996042,17cyclictest3462507-21kworker/1:120:05:151
3449808996042,17cyclictest3462507-21kworker/1:119:55:061
3449808996042,17cyclictest3456068-21kworker/1:019:41:311
3449808996041,18cyclictest3479741-21kworker/1:021:01:351
3449808996040,18cyclictest3559828-21kworker/1:122:45:031
3449808996040,18cyclictest3485909-21kworker/1:121:05:131
3449808996033,24cyclictest3621802-21kworker/1:000:05:131
3449808996032,27cyclictest3464293-21kworker/1:320:00:141
3449808995942,16cyclictest3639392-21kworker/1:200:15:151
3449808995942,16cyclictest3592975-21kworker/1:323:18:111
3449808995942,16cyclictest3582892-21kworker/1:023:22:331
3449808995942,16cyclictest3559828-21kworker/1:122:39:331
3449808995942,16cyclictest3519213-21kworker/1:121:55:141
3449808995942,16cyclictest3509726-21kworker/1:321:40:011
3449808995942,16cyclictest3456068-21kworker/1:019:30:211
3449808995926,31cyclictest3639392-21kworker/1:200:20:131
3449808995841,16cyclictest3588388-21kworker/1:123:13:331
3449808995840,17cyclictest3545701-21kworker/1:122:20:151
3449808995840,17cyclictest3513915-21kworker/1:222:07:331
3449808995834,22cyclictest535011-1kworker/1:2H19:30:011
3449808995831,25cyclictest3457861-21kworker/1:219:45:131
3449808995825,31cyclictest3540908-21kworker/1:022:14:591
3449808995740,16cyclictest3509726-21kworker/1:321:37:031
3449808995739,16cyclictest3467130-21kworker/1:220:20:271
3449808995738,17cyclictest3485915-21kworker/1:321:10:271
3449808995736,20cyclictest535011-1kworker/1:2H20:59:591
3449808995639,16cyclictest3621802-21kworker/1:000:13:371
3449808995639,16cyclictest3576271-21kworker/1:223:00:141
344980899561,1cyclictest0-21swapper/121:55:001
3449808995536,18cyclictest3467130-21kworker/1:220:15:011
3449815995449,3cyclictest3473613-21kworker/3:121:46:103
3449808995436,17cyclictest3617414-21kworker/1:323:50:141
344980899530,52cyclictest0-21swapper/120:33:301
3449815995249,2cyclictest2186769-21kworker/3:219:20:573
3449815995246,4cyclictest3473613-21kworker/3:121:54:553
3449812995247,3cyclictest3168092-1kworker/2:2H00:05:142
3449812995246,4cyclictest3168092-1kworker/2:2H20:12:012
3449808995229,21cyclictest535011-1kworker/1:2H19:40:001
3449815995147,2cyclictest3473613-21kworker/3:123:41:363
3449815995145,4cyclictest2721984-1kworker/3:2H20:25:283
3449812995146,3cyclictest3168092-1kworker/2:2H22:20:062
3449812995146,3cyclictest3168092-1kworker/2:2H20:27:032
3449812995145,4cyclictest3168092-1kworker/2:2H20:08:012
3449806995146,3cyclictest3115968-1kworker/0:0H21:18:330
3449806995146,3cyclictest3115968-1kworker/0:0H19:30:140
3449806995146,3cyclictest3115968-1kworker/0:0H00:01:360
3449815995047,2cyclictest3473613-21kworker/3:123:52:393
3449815995046,3cyclictest2721984-1kworker/3:2H00:00:313
3449815995045,3cyclictest3473613-21kworker/3:122:35:323
3449815995045,3cyclictest3473613-21kworker/3:121:05:133
3449815995045,3cyclictest2721984-1kworker/3:2H22:19:583
3449815995044,4cyclictest2721984-1kworker/3:2H22:24:543
3449806995047,2cyclictest3510159-21kworker/0:221:40:190
3449806995044,4cyclictest3115968-1kworker/0:0H22:02:030
3449815994946,2cyclictest3473613-21kworker/3:122:44:563
3449815994946,2cyclictest2721984-1kworker/3:2H21:39:333
3449815994946,2cyclictest2721984-1kworker/3:2H20:34:073
3449815994946,2cyclictest2721984-1kworker/3:2H19:32:243
3449815994944,3cyclictest2721984-1kworker/3:2H22:34:553
3449812994944,3cyclictest3617842-21kworker/2:123:56:262
3449812994944,3cyclictest3168092-1kworker/2:2H20:20:322
3449812994944,2cyclictest3168092-1kworker/2:2H19:20:122
3449812994943,4cyclictest3563025-21kworker/2:022:41:332
3449812994943,4cyclictest3168092-1kworker/2:2H23:30:152
3449812994943,4cyclictest3168092-1kworker/2:2H21:10:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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