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2026-04-16 - 20:14
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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 Apr 16, 2026 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2705224250,1sleep121407-21kworker/u8:412:25:161
395623560,1sleep12851-21kworker/u8:811:35:131
1690123210,2sleep10-21swapper/110:51:091
732323120,1sleep228672-21kworker/u8:110:30:382
2748223110,2sleep30-21swapper/307:10:013
1654623110,2sleep20-21swapper/208:14:212
3271323100,2sleep10-21swapper/112:36:151
648723050,2sleep10-21swapper/107:43:511
42123040,2sleep20-21swapper/209:04:422
846022970,1sleep17949-21kworker/u8:707:50:151
2078222970,2sleep10-21swapper/109:50:161
259722950,1sleep230960-21kworker/u8:610:20:302
2476922920,1sleep217132-21kworker/u8:111:10:162
3019922910,1sleep223983-21kworker/u8:411:20:412
848622900,2sleep28485-21ssh11:45:152
623122900,2sleep10-21swapper/111:40:161
2073022900,1sleep119141-21kworker/u8:312:10:321
1365222880,1sleep29620-21kworker/u8:5308:05:202
1365222880,1sleep29620-21kworker/u8:5308:05:202
1043922880,1sleep29621-21kworker/u8:5407:55:232
1782722870,1sleep216611-21kworker/u8:1712:05:232
1782722870,1sleep216611-21kworker/u8:1712:05:222
1066622870,1sleep19620-21kworker/u8:5307:55:261
2239822850,1sleep218038-21kworker/u8:408:30:332
745622840,1sleep23044-21kworker/u8:107:45:302
591522840,2sleep20-21swapper/210:28:452
2766922840,2sleep10-21swapper/110:05:231
2053122840,1sleep28379-21kworker/u8:309:50:132
1457422840,2sleep130958-21kworker/u8:410:45:431
1457422840,2sleep130958-21kworker/u8:410:45:431
2563722810,2sleep22167-21diskmemload10:00:262
2530522810,2sleep10-21swapper/112:20:371
1412622810,1sleep230958-21kworker/u8:410:45:312
1412622810,1sleep230958-21kworker/u8:410:45:312
2399222790,2sleep10-21swapper/108:35:301
1825422790,1sleep18377-21kworker/u8:109:45:141
1825422790,1sleep18377-21kworker/u8:109:45:131
31922780,1sleep132268-21kworker/u8:507:25:141
3019622770,6sleep230197-21rm10:10:312
499422760,2sleep14990-21ssh09:15:181
771922740,2sleep10-21swapper/110:31:391
1348422740,2sleep113480-21ssh11:55:241
892922730,2sleep1121rcu_preempt10:35:121
2910222730,5sleep229104-21latency_hist11:20:002
2910222730,5sleep229104-21latency_hist11:20:002
2287522730,2sleep222874-21ssh12:15:282
3002622720,1sleep221407-21kworker/u8:412:30:412
2321622710,1sleep121693-21kworker/u8:211:05:371
185422710,2sleep21782-21ssh10:20:022
185422710,2sleep21782-21ssh10:20:012
89222690,1sleep230617-21kworker/u8:1107:25:272
1908122690,1sleep218043-21kworker/u8:908:20:282
1908122690,1sleep218043-21kworker/u8:908:20:282
1672322690,1sleep28379-21kworker/u8:309:40:362
3055822680,2sleep10-21swapper/108:55:361
2625622680,1sleep121837-21kworker/u8:1010:01:211
1896722680,4sleep225-21ksoftirqd/209:45:342
1896722680,4sleep225-21ksoftirqd/209:45:342
1585622680,2sleep19943-1kworker/u9:112:00:261
1399922680,2sleep10-21swapper/108:05:311
1399922680,2sleep10-21swapper/108:05:311
136122680,1sleep131055-21kworker/u8:109:05:291
384122670,2sleep20-21swapper/207:35:212
384122670,2sleep20-21swapper/207:35:202
901022660,5sleep22170-1kworker/u9:109:25:012
901022660,5sleep22170-1kworker/u9:109:25:002
2546822660,8sleep119-21ksoftirqd/111:10:361
2302922660,1sleep121831-21kworker/u8:209:55:181
1742522660,1sleep216611-21kworker/u8:1712:05:012
885122640,2sleep28849-21ssh10:35:042
2958322640,3sleep129576-21ssh11:20:201
2765622640,2sleep127655-21ssh11:15:301
2765622640,2sleep127655-21ssh11:15:291
257922640,4sleep128672-21kworker/u8:110:20:281
1182122640,3sleep111814-21ssh10:40:281
493322630,2sleep14190-21/usr/sbin/munin10:25:351
331922630,1sleep12850-21kworker/u8:611:34:241
3158322630,2sleep20-21swapper/211:25:162
223722630,1sleep132268-21kworker/u8:507:30:211
1862822630,2sleep118625-21ssh10:55:311
2758122620,1sleep223687-21kworker/u8:812:25:382
2656522610,4sleep226547-21ssh12:25:012
2532722610,2sleep20-21swapper/208:40:222
2073022610,2sleep23050-1kworker/u9:008:25:302
2073022610,2sleep23050-1kworker/u9:008:25:302
737622600,2sleep14673-21kworker/u8:1107:45:251
2834322600,2sleep20-21swapper/207:10:282
2083222600,3sleep220831-21ssh11:00:262
2026022600,2sleep10-21swapper/111:00:141
1775722600,1sleep116610-21kworker/u8:1612:05:041
1775722600,1sleep116610-21kworker/u8:1612:05:041
1665222600,2sleep116644-21ssh09:40:311
1657222600,2sleep216283-21kworker/2:210:50:392
1304622600,2sleep213003-21ssh11:55:162
1075122600,1sleep16086-21kworker/u8:609:27:451
209422590,1sleep2488-21kworker/u8:011:30:312
394722580,3sleep23489-1kworker/u9:011:35:082
3186722580,2sleep10-21swapper/111:25:221
3148122580,2sleep10-21swapper/110:14:481
2663522580,1sleep118037-21kworker/u8:308:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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