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2025-12-21 - 11:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Sun Dec 21, 2025 00:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
752923820,1sleep16345-21kworker/u8:100:35:181
752923820,1sleep16345-21kworker/u8:100:35:171
889223640,1sleep27725-21kworker/u8:922:30:132
491123580,2sleep20-21swapper/222:20:432
888823540,1sleep17724-21kworker/u8:822:30:111
2545423400,2sleep20-21swapper/219:21:482
2545423400,2sleep20-21swapper/219:21:472
2942923260,1sleep119-21ksoftirqd/119:35:001
1142423220,1sleep27723-21kworker/u8:722:35:172
1142423220,1sleep27723-21kworker/u8:722:35:162
2834823210,2sleep20-21swapper/223:07:422
2397223210,2sleep20-21swapper/220:45:232
1688623200,2sleep10-21swapper/120:25:401
2680323150,1sleep116209-21kworker/u8:1019:25:371
1810723100,1sleep217372-21kworker/u8:1620:30:242
1142123030,2sleep10-21swapper/122:35:151
1142123030,2sleep10-21swapper/122:35:151
2355823010,2sleep116207-21kworker/u8:819:16:311
3000422990,1sleep128666-21kworker/u8:3721:00:301
3183222970,2sleep10-21swapper/121:05:281
1847322970,1sleep117360-21kworker/u8:620:30:311
1200722970,2sleep10-21swapper/120:14:581
660822940,2sleep10-21swapper/121:20:361
2014822940,2sleep10-21swapper/119:10:001
2014822940,2sleep10-21swapper/119:10:001
398922910,1sleep232395-21kworker/u8:321:15:342
398922910,1sleep232395-21kworker/u8:321:15:342
1586622850,2sleep115843-21ssh21:40:181
894422830,1sleep228717-21kworker/u8:700:36:182
894422830,1sleep228717-21kworker/u8:700:36:182
1479522830,2sleep22848-1kworker/u9:021:36:492
1479522830,2sleep22848-1kworker/u9:021:36:492
615222820,1sleep15181-21kworker/u8:422:25:161
1487222810,1sleep113608-21kworker/u8:1220:20:291
2682922800,1sleep221796-21kworker/u8:419:25:372
1769422800,1sleep213053-21kworker/u8:422:45:422
783022790,2sleep20-21swapper/222:27:312
3001822790,1sleep118190-21kworker/u8:523:10:331
2600222780,2sleep111034-21kworker/u8:600:06:421
1018322780,3sleep210186-21modprobe20:10:012
574022770,2sleep1121rcu_preempt00:30:371
3064122760,1sleep127332-21kworker/u8:822:10:001
2623022750,1sleep223067-21kworker/u8:1323:04:352
2623022750,1sleep223067-21kworker/u8:1323:04:352
2238722750,2sleep222386-21ssh22:55:312
3066422730,3sleep230663-21ssh22:10:012
2496922730,1sleep116209-21kworker/u8:1019:20:341
2496922730,1sleep116209-21kworker/u8:1019:20:331
2121022730,1sleep216209-21kworker/u8:1019:10:292
709022720,2sleep27088-21ssh23:30:202
2482122720,2sleep124820-21memory23:00:281
2482122720,2sleep124820-21memory23:00:281
1926022720,2sleep30-21swapper/319:05:253
1926022720,2sleep30-21swapper/319:05:253
186822720,1sleep124972-21kworker/u8:522:15:311
934522710,1sleep28285-21kworker/u8:1023:35:192
3172322710,1sleep219918-21kworker/u8:022:10:302
2079422710,2sleep20-21swapper/220:35:342
115822710,1sleep225527-21kworker/u8:119:45:192
115822710,1sleep225527-21kworker/u8:119:45:182
604222700,2sleep10-21swapper/123:27:371
398322690,2sleep10-21swapper/123:24:441
2744322690,2sleep10-21swapper/123:05:301
1631122690,2sleep20-21swapper/223:48:412
1423922690,2sleep214227-21ssh22:40:192
1320022690,7sleep110826-1kworker/u9:123:40:481
1752122680,3sleep217373-21kworker/u8:1720:29:022
147322680,1sleep231280-21kworker/u8:1300:22:462
3185022670,1sleep228674-21kworker/u8:4521:05:292
149122670,3sleep11490-21ssh21:10:391
3126622660,2sleep20-21swapper/219:40:012
1942822660,2sleep20-21swapper/219:05:312
1942822660,2sleep20-21swapper/219:05:312
3178122650,2sleep10-21swapper/100:19:521
3178122650,2sleep10-21swapper/100:19:511
2426822650,1sleep222444-21kworker/u8:421:55:342
2398522650,1sleep118482-21kworker/u8:100:03:591
1715622650,1sleep215926-21kworker/u8:1823:50:192
141622650,2sleep20-21swapper/223:19:422
631022640,1sleep228717-21kworker/u8:700:31:422
2755122640,2sleep10-21swapper/120:55:231
2755122640,2sleep10-21swapper/120:55:231
269022640,2sleep12662-21ssh00:25:261
2144822640,1sleep118190-21kworker/u8:522:55:021
2131522640,2sleep10-21swapper/119:10:371
2894222630,1sleep219848-21kworker/u8:019:30:402
2261822630,4sleep225-21ksoftirqd/220:40:322
1677422630,2sleep18908-1kworker/u9:322:45:201
1482322630,2sleep10-21swapper/122:40:301
270722620,7sleep228657-1kworker/u9:321:14:332
2123322620,1sleep213056-21kworker/u8:922:54:542
162522620,1sleep224970-21kworker/u8:222:15:242
881822610,2sleep10-21swapper/121:25:261
390122610,1sleep221028-21kworker/u8:300:27:132
3036122610,1sleep228717-21kworker/u8:700:15:262
3036122610,1sleep228717-21kworker/u8:700:15:262
1307422610,2sleep20-21swapper/220:15:302
1189222610,1sleep211036-21kworker/u8:823:40:172
1151822610,1sleep111040-21kworker/u8:1323:39:471
652922600,1sleep16033-21kworker/u8:1020:00:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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