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2025-12-11 - 16:01
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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 Dec 11, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295223840,1sleep231932-21kworker/u8:412:05:162
761923670,1sleep11532-21kworker/u8:611:10:161
1232423610,2sleep27782-1kworker/u9:309:10:182
721623490,2sleep10-21swapper/110:04:471
1414223380,2sleep114066-21ssh11:20:581
762023340,2sleep26500-21kworker/u8:1411:10:172
588923280,6sleep225-21ksoftirqd/211:05:382
1000523140,2sleep20-21swapper/207:35:302
1502323120,4sleep1181rcuc/109:15:191
1875523080,1sleep118004-21kworker/u8:3908:00:221
1434723050,2sleep10-21swapper/110:18:221
1901523030,1sleep118999-21kworker/u8:409:21:341
599123020,2sleep10-21swapper/108:52:421
350923020,1sleep131578-21kworker/u8:109:55:381
1376423020,2sleep20-21swapper/207:45:352
1034523020,1sleep26500-21kworker/u8:1411:15:202
2195223000,2sleep20-21swapper/211:36:432
3022122950,1sleep10-21swapper/107:05:151
2995222890,1sleep129025-21kworker/u8:409:45:181
2421422890,2sleep10-21swapper/111:40:401
1605922890,2sleep20-21swapper/209:15:482
1418022870,2sleep20-21swapper/210:17:342
2463422860,1sleep224475-21kworker/u8:211:42:372
2629322850,1sleep221945-21kworker/u8:1011:45:352
2342222840,2sleep10-21swapper/109:30:381
429922820,7sleep119-21ksoftirqd/107:20:351
2742522820,1sleep226396-21kworker/u8:410:45:172
2742522820,1sleep226396-21kworker/u8:410:45:162
1748522820,1sleep216123-21kworker/u8:2507:55:402
1623522820,2sleep1121rcu_preempt11:25:401
3006222810,2sleep10-21swapper/110:50:181
2058022800,1sleep119863-21kworker/u8:212:40:011
323822790,3sleep13237-21hddtemp_smartct12:05:231
179422790,1sleep11038-21kworker/u8:1807:15:201
1473522790,1sleep114259-21kworker/u8:307:50:161
2128822780,2sleep119649-21kworker/u8:411:35:321
1973322780,1sleep218999-21kworker/u8:409:25:002
946822770,1sleep16832-21kworker/u8:407:35:211
1557122770,1sleep26500-21kworker/u8:1411:25:252
140222770,1sleep20-21swapper/210:56:102
2881422760,1sleep219649-21kworker/u8:411:50:372
883622750,3sleep18835-21users10:05:441
42422750,3sleep231892-21cyclictest07:10:302
3083022750,2sleep20-21swapper/209:45:342
603122740,1sleep229025-21kworker/u8:410:00:392
80622730,2sleep10-21swapper/108:40:161
352022730,1sleep21701-21kworker/u8:309:55:402
3215322730,3sleep129463-21kworker/u8:511:58:121
3118622730,6sleep231892-21cyclictest11:55:322
2945022720,2sleep20-21swapper/209:44:062
2612022720,2sleep20-21swapper/208:20:192
3112022710,2sleep30-21swapper/307:05:413
873422700,2sleep18732-21ssh12:15:321
918422690,1sleep229463-21kworker/u8:512:15:492
2475822690,1sleep123482-21kworker/u8:808:15:281
1192222690,2sleep10-21swapper/107:40:321
2441022680,1sleep223990-21kworker/u8:709:33:502
138822680,2sleep21377-21ssh12:00:382
1062222680,1sleep27067-21kworker/u8:712:20:242
1062222680,1sleep27067-21kworker/u8:712:20:242
2092022670,5sleep116709-21kworker/1:010:30:391
59722660,1sleep229066-21kworker/u8:108:40:022
2386222660,2sleep20-21swapper/210:36:152
1922222660,1sleep119062-21kworker/u8:510:27:511
1817722660,3sleep14485-21kworker/1:111:30:271
1499622660,1sleep29242-21kworker/u8:110:20:122
1499622660,1sleep29242-21kworker/u8:110:20:122
1155022660,2sleep20-21swapper/210:11:482
1548222650,2sleep215452-21ssh12:30:012
1932222640,4sleep225-21ksoftirqd/211:31:002
977522630,2sleep20-21swapper/209:03:042
3266022630,2sleep10-21swapper/108:36:101
3023522630,2sleep20-21swapper/208:30:252
233922630,1sleep21038-21kworker/u8:1807:15:292
833022620,2sleep20-21swapper/210:05:282
502222620,2sleep20-21swapper/208:50:222
2637222620,2sleep20-21swapper/210:41:192
2574722620,1sleep223989-21kworker/u8:609:35:292
77422610,2sleep10-21swapper/110:55:271
3013522610,1sleep125329-21kworker/u8:408:30:251
2940722610,5sleep131892-21cyclictest10:49:011
2940722610,5sleep131892-21cyclictest10:49:001
1491522610,2sleep10-21swapper/112:28:111
1174722610,1sleep16500-21kworker/u8:1411:17:231
401422600,1sleep21035-21kworker/u8:1607:20:232
2588322600,2sleep125882-21ssh10:40:371
2470922600,1sleep124082-21kworker/u8:010:40:011
1646222600,2sleep216457-21ssh12:30:332
1646222600,2sleep216457-21ssh12:30:332
141322600,1sleep129461-21kworker/u8:212:00:411
1196222600,1sleep129031-21kworker/u8:910:13:481
568322590,2sleep15670-21ssh12:10:221
2656222590,3sleep126561-21ssh09:37:091
157322590,1sleep131578-21kworker/u8:109:51:371
3248222580,1sleep231578-21kworker/u8:109:50:132
3022222580,1sleep229738-21kworker/u8:1207:05:162
2081222580,1sleep229463-21kworker/u8:512:40:022
1808822580,3sleep117916-21ssh12:35:021
1372522580,1sleep29204-21kworker/u8:411:20:462
706922570,2sleep20-21swapper/212:12:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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