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2025-12-10 - 16:57
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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 Wed Dec 10, 2025 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1403023980,1sleep212972-21kworker/u8:1623:10:142
1762823790,3sleep20-21swapper/219:40:132
422323600,2sleep217102-1kworker/u9:219:05:152
1404623520,1sleep110448-21kworker/u8:523:10:161
1710123510,2sleep214458-1kworker/u9:021:05:152
1710123510,2sleep214458-1kworker/u9:021:05:152
815223340,2sleep17402-1kworker/u9:019:15:191
712423260,2sleep10-21swapper/120:36:521
1917623160,1sleep115459-21kworker/u8:1200:25:251
3088323110,2sleep20-21swapper/221:33:542
2686623050,1sleep125520-21kworker/u8:723:35:241
2727523030,2sleep227270-21ssh23:35:302
1300923010,11sleep1121rcu_preempt22:01:501
991122960,1sleep228046-21kworker/u8:1000:05:452
496022940,1sleep23171-21kworker/u8:821:45:352
1899122940,1sleep118402-21kworker/u8:721:10:171
2548522910,1sleep224690-21kworker/u8:520:00:232
2175622890,1sleep17924-21kworker/u8:1823:25:191
481922880,3sleep15882-21cyclictest21:45:261
1657222880,1sleep213223-21kworker/u8:419:35:312
1268622860,7sleep25882-21cyclictest19:25:302
2030722850,4sleep2251ksoftirqd/221:10:502
3216222820,1sleep128049-21kworker/u8:1323:45:251
2328222810,1sleep20-21swapper/222:23:342
81122800,2sleep20-21swapper/221:38:242
545722800,6sleep1121rcu_preempt23:56:341
2732822800,1sleep222932-21kworker/u8:220:05:212
687122790,2sleep10-21swapper/119:10:291
3233022790,2sleep20-21swapper/223:45:352
2601922790,3sleep126018-21ssh22:29:561
815622760,2sleep23540-21kworker/u8:3219:15:202
1875222760,2sleep118721-21ssh21:10:011
1875222760,2sleep118721-21ssh21:10:011
1675522760,2sleep113613-1kworker/u9:223:15:191
1675522760,2sleep113613-1kworker/u9:223:15:181
2620422750,1sleep120521-21kworker/u8:223:35:011
2232122750,1sleep220521-21kworker/u8:223:25:292
2093022750,2sleep20-21swapper/222:19:162
990022720,1sleep18193-21kworker/u8:200:05:441
3221522720,2sleep20-21swapper/222:40:382
883722710,1sleep17911-21kworker/u8:423:00:161
883722710,1sleep17911-21kworker/u8:423:00:151
664322710,2sleep20-21swapper/220:35:322
2857622710,1sleep128016-21kworker/u8:1421:29:421
2857622710,1sleep128016-21kworker/u8:1421:29:421
2581222710,2sleep20-21swapper/222:28:572
1298622710,2sleep20-21swapper/200:12:042
1026722710,2sleep20-21swapper/220:45:292
3266822700,2sleep10-21swapper/122:41:021
2741522700,3sleep227404-21ssh21:25:412
2741522700,3sleep227404-21ssh21:25:412
2642622700,4sleep126428-21kworker/u8:300:40:001
2580922690,1sleep223402-21kworker/u8:300:37:072
1025122690,2sleep10-21swapper/120:45:281
720222680,1sleep120494-21kworker/u8:122:55:361
1670622680,2sleep119-21ksoftirqd/122:10:231
3154522670,2sleep20-21swapper/220:15:342
2125022670,1sleep220680-21kworker/u8:100:30:002
1784822670,2sleep20-21swapper/222:11:172
3217822660,2sleep10-21swapper/120:17:541
1588122660,1sleep114542-21kworker/u8:721:00:321
850022650,2sleep18499-21ssh00:04:111
850022650,2sleep18499-21ssh00:04:101
2983222650,1sleep212973-21kworker/u8:1723:40:322
2081222650,1sleep120499-21kworker/u8:922:18:421
612722640,1sleep228046-21kworker/u8:1023:59:452
3167822640,1sleep131113-21kworker/u8:121:35:211
2981622640,1sleep110447-21kworker/u8:323:40:311
2424522640,2sleep20-21swapper/221:20:192
1676922640,1sleep212973-21kworker/u8:1723:15:202
1676922640,1sleep212973-21kworker/u8:1723:15:192
1213022640,1sleep111376-21kworker/u8:2719:25:211
2336622630,2sleep222934-1kworker/u9:119:55:122
2336622630,2sleep222934-1kworker/u9:119:55:122
1987122630,2sleep10-21swapper/123:20:341
1203422630,1sleep110444-21kworker/u8:123:05:251
3043822620,2sleep10-21swapper/120:14:251
2492322620,2sleep124916-21ssh21:20:341
235022620,2sleep20-21swapper/222:45:382
235022620,2sleep20-21swapper/222:45:372
1727322610,3sleep117271-21ntpq00:20:351
1727322610,3sleep117271-21ntpq00:20:351
737222600,4sleep17371-21ssh21:50:331
2609422600,2sleep10-21swapper/120:00:381
2171222600,2sleep15248-1kworker/u9:121:15:191
794222590,2sleep20-21swapper/221:51:262
385922590,1sleep2352-21kworker/u8:922:50:152
2345122590,1sleep223406-21kworker/u8:800:32:342
1846722590,2sleep10-21swapper/119:40:321
546922580,2sleep10-21swapper/122:52:201
420722580,2sleep30-21swapper/319:05:083
2422222580,2sleep20-21swapper/223:30:192
989422570,1sleep17977-21kworker/u8:521:55:391
2960122570,6sleep25882-21cyclictest20:10:282
1416022570,1sleep112945-21kworker/u8:600:15:201
3037022560,2sleep20-21swapper/222:37:002
2974622560,1sleep118014-21kworker/u8:222:35:391
2707422560,1sleep120767-21kworker/u8:720:05:161
244322560,2sleep10-21swapper/121:40:321
2288522560,1sleep117142-21kworker/u8:1419:52:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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