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2026-05-14 - 18:48
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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 May 14, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3343102996158,2cyclictest0-21swapper/107:33:301
3343102996157,2cyclictest0-21swapper/111:00:221
3343102996043,16cyclictest3401453-21kworker/1:209:45:141
3343102995942,16cyclictest3552708-21kworker/1:012:20:011
3343102995937,20cyclictest3385068-21kworker/1:109:29:591
3343102995843,14cyclictest3176149-1kworker/1:0H11:14:591
3343102995842,15cyclictest3444245-21kworker/1:210:25:141
3343102995841,16cyclictest3521224-21kworker/1:211:42:591
3343102995840,17cyclictest3558018-21kworker/1:112:35:141
3343102995840,17cyclictest3344468-21kworker/1:007:15:141
3343102995742,14cyclictest3359157-21kworker/1:008:05:141
3343102995742,14cyclictest3348326-21kworker/1:207:35:001
3343102995741,15cyclictest3526151-21kworker/1:011:50:161
3343102995741,15cyclictest3493776-21kworker/1:211:15:131
3343102995741,15cyclictest3348326-21kworker/1:207:40:141
334310299570,55cyclictest3382098-21latency09:10:171
3343102995654,1cyclictest0-21swapper/110:15:291
3343102995641,14cyclictest3365404-21kworker/1:208:30:011
3343102995640,15cyclictest3547855-21kworker/1:312:10:341
3343102995640,15cyclictest3503528-21kworker/1:111:25:011
3343102995640,15cyclictest3424758-21kworker/1:010:05:111
3343102995640,15cyclictest3424758-21kworker/1:010:00:121
3343102995639,16cyclictest3558018-21kworker/1:112:20:241
3343102995639,16cyclictest3401453-21kworker/1:209:40:061
3343102995639,16cyclictest3401453-21kworker/1:209:40:051
334310299562,2cyclictest954417-21systemd-journal12:31:101
3343102995540,14cyclictest3482742-21kworker/1:011:05:131
3343102995540,14cyclictest3466573-21kworker/1:010:45:141
3343102995540,14cyclictest3439358-21kworker/1:010:15:011
3343102995540,14cyclictest3434500-21kworker/1:110:20:151
3343102995540,14cyclictest3365404-21kworker/1:208:25:151
3343102995540,14cyclictest3359157-21kworker/1:008:00:131
3343102995540,14cyclictest3348326-21kworker/1:207:55:011
3343102995540,14cyclictest3348326-21kworker/1:207:55:001
3343102995539,15cyclictest3515145-21kworker/1:111:45:141
3343102995539,15cyclictest3395014-21kworker/1:009:35:151
3343102995539,15cyclictest3176149-1kworker/1:0H11:59:231
3343102995539,15cyclictest3176149-1kworker/1:0H07:51:231
3343102995538,16cyclictest3531037-21kworker/1:112:05:131
3343102995538,16cyclictest3342064-21kworker/1:207:10:141
334310299550,54cyclictest0-21swapper/108:17:301
3343102995439,14cyclictest3473539-21kworker/1:310:55:001
3343102995439,14cyclictest3461679-21kworker/1:110:40:131
3343102995439,14cyclictest3451051-21kworker/1:010:30:171
3343102995439,14cyclictest3385068-21kworker/1:109:30:131
3343102995439,14cyclictest3374859-21kworker/1:108:55:011
3343102995438,15cyclictest3493776-21kworker/1:211:34:591
3343102995438,15cyclictest3493776-21kworker/1:211:20:131
3343102995438,15cyclictest3348326-21kworker/1:207:49:011
3343102995438,15cyclictest3348326-21kworker/1:207:25:001
3343102995438,14cyclictest3176149-1kworker/1:0H10:35:141
3343102995437,16cyclictest3531037-21kworker/1:112:00:151
3343102995437,16cyclictest3389861-21kworker/1:209:23:591
3343102995436,17cyclictest3379498-21kworker/1:009:15:151
3343107995348,3cyclictest1222110-1kworker/3:1H11:00:593
3343105995348,3cyclictest3402818-1kworker/2:1H11:00:292
3343102995338,14cyclictest3478141-21kworker/1:110:55:151
3343102995337,16cyclictest3515145-21kworker/1:111:40:001
3343102995337,15cyclictest3419999-21kworker/1:109:55:141
3343102995337,15cyclictest3379498-21kworker/1:009:07:301
3343102995337,15cyclictest3365404-21kworker/1:208:20:591
3343102995336,16cyclictest3558018-21kworker/1:112:25:351
334310299530,52cyclictest0-21swapper/108:52:291
3343098995350,2cyclictest3526896-21kworker/0:111:58:240
3343098995347,4cyclictest2731713-1kworker/0:0H12:31:450
3343107995246,3cyclictest1222110-1kworker/3:1H11:40:593
3343102995237,14cyclictest3401453-21kworker/1:209:50:191
3343102995237,14cyclictest3377939-21kworker/1:209:00:141
3343102995236,15cyclictest3362898-21kworker/1:308:10:271
3343102995236,15cyclictest3346513-21kworker/1:107:20:091
3343098995248,2cyclictest3366890-21kworker/0:008:40:350
3343107995147,2cyclictest3399049-21kworker/3:110:06:593
3343102995136,14cyclictest3373318-21kworker/1:208:45:001
3343102995131,18cyclictest3365404-21kworker/1:208:35:131
3343098995147,2cyclictest3340106-21kworker/0:107:12:140
3343107995047,2cyclictest1222110-1kworker/3:1H11:50:163
3343107995045,3cyclictest3342893-21kworker/3:007:38:293
3343107995045,3cyclictest1222110-1kworker/3:1H12:06:113
3343107995045,3cyclictest1222110-1kworker/3:1H09:10:233
3343105995047,2cyclictest3541588-21kworker/2:112:11:052
3343105995045,3cyclictest3415776-21kworker/2:009:53:592
3343098995047,2cyclictest3366890-21kworker/0:008:46:060
3343098995046,2cyclictest3366890-21kworker/0:008:55:220
3343098995043,4cyclictest2731713-1kworker/0:0H08:05:140
3343107994946,2cyclictest3342893-21kworker/3:008:50:463
3343107994946,2cyclictest1222110-1kworker/3:1H09:49:333
3343107994945,2cyclictest3342893-21kworker/3:008:05:003
3343105994945,3cyclictest3381039-21kworker/2:209:10:322
3343105994944,3cyclictest3402818-1kworker/2:1H08:17:352
3343105994943,4cyclictest3402818-1kworker/2:1H10:55:152
3343105994943,4cyclictest3402818-1kworker/2:1H09:15:202
3343098994946,2cyclictest3496443-21kworker/0:211:49:030
3343098994944,3cyclictest3347042-21kworker/0:007:29:240
3343098994944,2cyclictest2731713-1kworker/0:0H10:05:440
3343098994942,4cyclictest2731713-1kworker/0:0H08:15:120
3343107994844,3cyclictest3342893-21kworker/3:007:52:593
3343107994844,3cyclictest1222110-1kworker/3:1H10:39:563
3343107994844,2cyclictest3342893-21kworker/3:007:47:243
3343107994843,3cyclictest1222110-1kworker/3:1H08:35:003
3343107994843,3cyclictest1222110-1kworker/3:1H08:20:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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