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2026-05-14 - 05:56
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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 Thu May 14, 2026 00:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2970123550,5sleep229702-21/usr/sbin/munin20:05:382
2970123550,5sleep229702-21/usr/sbin/munin20:05:382
1168423380,3sleep1687-21kworker/u8:223:15:241
1965523370,2sleep20-21swapper/223:33:262
1965523370,2sleep20-21swapper/223:33:262
1093723310,2sleep10-21swapper/119:10:161
798923190,2sleep23255-21kworker/2:223:08:182
1981923100,2sleep10-21swapper/122:24:321
1951323030,2sleep20-21swapper/219:35:182
2728923020,2sleep2241rcuc/222:40:132
3105922990,1sleep1121rcu_preempt23:57:191
3232322970,1sleep128529-21kworker/u8:922:50:231
887222950,1sleep25396-21kworker/u8:723:10:192
1804422940,3sleep218043-21ssh21:10:152
1804422940,3sleep218043-21ssh21:10:142
500522930,4sleep1191ksoftirqd/120:30:211
2173822930,2sleep2121rcu_preempt23:37:322
1538822870,2sleep10-21swapper/121:00:331
686622860,2sleep16857-21ssh21:55:281
3258922820,2sleep10-21swapper/100:00:281
2688022820,1sleep117444-21kworker/u8:1221:30:001
2467622820,1sleep223690-21kworker/u8:1219:50:212
2301822820,2sleep10-21swapper/121:20:231
2301822820,2sleep10-21swapper/121:20:221
2736522810,2sleep10-21swapper/123:50:141
1360622810,3sleep10-21swapper/122:10:331
1360622810,3sleep10-21swapper/122:10:331
1312522810,7sleep217762-21diskmemload00:29:162
381922800,2sleep10-21swapper/120:25:391
381922800,2sleep10-21swapper/120:25:381
347622800,2sleep10-21swapper/122:58:551
1442922800,2sleep210357-21kworker/u8:1519:20:182
1662822790,3sleep116563-21ssh23:25:411
661022780,2sleep10-21swapper/123:05:181
322622780,2sleep20-21swapper/200:07:002
2575022780,2sleep10-21swapper/123:45:321
992122770,2sleep30-21swapper/319:05:313
992122770,2sleep30-21swapper/319:05:313
946422770,2sleep20-21swapper/200:20:312
2076222760,3sleep220752-21ssh22:25:262
3244122750,1sleep130780-21kworker/u8:321:40:331
2317222750,1sleep121973-21kworker/u8:1919:45:341
1384022740,2sleep10-21swapper/100:30:191
3081822730,6sleep130817-21ssh22:46:381
210722730,1sleep123689-21kworker/u8:1120:20:281
1207222730,1sleep16156-21kworker/u8:2620:50:281
2096622720,2sleep120961-21ssh21:15:331
2096622720,2sleep120961-21ssh21:15:321
1442122720,2sleep10-21swapper/119:20:121
1236122720,1sleep212357-21kworker/u8:1123:16:232
525022700,1sleep24292-21kworker/u8:1620:30:312
888322690,2sleep15396-21kworker/u8:723:10:221
2304122690,1sleep121582-21kworker/u8:222:30:271
567122680,2sleep25392-1kworker/u9:023:03:142
766722670,2sleep20-21swapper/221:57:222
2537922670,2sleep20-21swapper/221:25:232
1279422670,2sleep10-21swapper/119:15:171
1172122670,1sleep27695-21kworker/u8:3020:50:172
1109922670,3sleep111008-1kworker/u9:000:25:011
2841322660,2sleep20-21swapper/221:31:382
2144522660,2sleep20-21swapper/219:40:252
1826922660,1sleep117159-21kworker/u8:619:30:301
984222650,2sleep20-21swapper/219:05:262
984222650,2sleep20-21swapper/219:05:262
2991422650,2sleep10-21swapper/121:35:231
2347122650,2sleep20-21swapper/223:40:392
89022640,2sleep20-21swapper/222:52:372
2805722630,1sleep123686-21kworker/u8:720:00:341
1469022630,6sleep2241rcuc/223:21:332
120022630,2sleep21202-21modprobe20:20:002
776122620,2sleep10-21swapper/100:16:471
3019122620,2sleep20-21swapper/222:45:292
2720422620,2sleep10-21swapper/121:30:161
2290022620,1sleep221562-21kworker/u8:1621:20:202
2290022620,1sleep221562-21kworker/u8:1621:20:192
2194722620,2sleep10-21swapper/123:38:331
1363822620,2sleep26156-21kworker/u8:2620:55:242
1363822620,2sleep26156-21kworker/u8:2620:55:242
879622610,1sleep27693-21kworker/u8:2820:40:282
879622610,1sleep27693-21kworker/u8:2820:40:272
525122610,2sleep10-21swapper/100:10:451
525122610,2sleep10-21swapper/100:10:451
2471822610,1sleep123691-21kworker/u8:1319:50:251
2344922610,1sleep121576-21kworker/u8:123:40:371
2155122610,1sleep120406-21kworker/u8:919:40:311
1641422610,2sleep10-21swapper/100:35:261
1615622610,1sleep114632-21kworker/u8:1122:15:281
1615622610,1sleep114632-21kworker/u8:1122:15:281
911222600,2sleep19101-21ssh22:00:271
365522600,1sleep130780-21kworker/u8:321:49:581
2534922600,1sleep221583-21kworker/u8:322:35:272
2433122600,2sleep20-21swapper/222:34:222
2208222600,1sleep121582-21kworker/u8:222:29:311
2005922600,2sleep10-21swapper/121:15:011
2005922600,2sleep10-21swapper/121:15:001
1873022600,1sleep112352-21kworker/u8:523:30:321
1873022600,1sleep112352-21kworker/u8:523:30:321
1691722600,2sleep20-21swapper/221:05:252
1637222600,3sleep216366-21ssh23:25:312
1138522600,2sleep20-21swapper/222:05:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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