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2026-01-12 - 02:50
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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 50 highest latencies:
System rackfslot4.osadl.org (updated Sun Jan 11, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1792023720,2sleep20-21swapper/211:50:132
1625923700,2sleep20-21swapper/210:35:302
3276423290,2sleep10-21swapper/108:45:271
168423250,2sleep20-21swapper/208:50:172
523523200,1sleep231987-21kworker/u8:512:35:162
2391223180,2sleep10-21swapper/112:02:091
852523160,1sleep17712-21kworker/u8:609:10:241
1391723100,2sleep10-21swapper/110:30:261
2050923080,1sleep119266-21kworker/u8:610:45:231
3253923050,2sleep10-21swapper/112:23:531
397923040,2sleep13977-21ntp_states08:55:351
451823030,2sleep20-21swapper/208:57:522
390022990,2sleep10-21swapper/107:15:491
704422970,1sleep15471-21kworker/u8:011:25:321
994622950,2sleep20-21swapper/210:21:232
1734122950,1sleep117049-21kworker/u8:908:00:001
3116022940,17sleep119-21ksoftirqd/109:58:181
1513422940,1sleep214500-21kworker/u8:009:25:002
716222890,1sleep15523-21kworker/u8:410:15:401
1296222870,2sleep10-21swapper/110:29:461
584422860,2sleep15835-21ssh12:35:301
185722830,1sleep117409-21kworker/u8:1407:10:351
185722830,1sleep117409-21kworker/u8:1407:10:351
2988522820,1sleep226255-21kworker/u8:009:55:262
177022810,1sleep1773-21kworker/u8:310:05:141
177022810,1sleep1773-21kworker/u8:310:05:141
1340822810,3sleep1191ksoftirqd/109:20:211
123522810,2sleep21183-21ssh12:25:272
1128222810,1sleep110096-21kworker/u8:811:35:211
675722790,7sleep1993-21cyclictest07:25:301
2570622790,2sleep10-21swapper/108:25:171
2570622790,2sleep10-21swapper/108:25:161
2252322790,2sleep222522-21ssh12:00:142
2048722790,3sleep10-21swapper/111:55:231
499722770,2sleep10-21swapper/111:20:361
418322760,1sleep230865-21kworker/u8:510:10:172
411122760,2sleep10-21swapper/110:10:161
3222722760,1sleep230080-21kworker/u8:608:45:162
2537922760,3sleep223587-21kworker/u8:208:24:182
643422750,1sleep25473-21kworker/u8:211:25:162
1860622750,1sleep216927-21kworker/u8:210:40:332
1860622750,1sleep216927-21kworker/u8:210:40:322
1025122750,3sleep210250-21ssh11:32:472
1739022740,3sleep110052-21kworker/u8:1009:29:041
1170922730,2sleep10-21swapper/107:40:351
2784222720,2sleep20-21swapper/209:50:272
2619822720,8sleep119-21ksoftirqd/112:07:011
641022710,2sleep20-21swapper/207:25:202
2288522700,2sleep10-21swapper/108:15:231
1851822700,2sleep116927-21kworker/u8:210:40:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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