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2026-04-20 - 02:54
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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 Sun Apr 19, 2026 12:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
474223770,2sleep22444-1kworker/u9:307:30:162
359823670,3sleep130299-21kworker/u8:210:15:221
801423650,2sleep25277-1kworker/u9:209:15:122
58523560,11sleep119-21ksoftirqd/112:30:291
1052423460,2sleep210509-21apt-get09:20:162
473823290,1sleep12404-21kworker/u8:307:30:131
3032223280,4sleep129824-21apt-get12:25:131
2168323260,1sleep217972-21kworker/u8:1008:20:152
33623230,3sleep1321-21munin-run08:55:011
1483123220,1sleep211083-21kworker/u8:1811:50:362
288923130,1sleep12440-21kworker/u8:4307:25:101
288923130,1sleep12440-21kworker/u8:4307:25:101
2264623130,1sleep221089-21kworker/u8:1409:45:322
1888823130,15sleep20-21swapper/209:38:152
2263423120,2sleep122633-21ssh09:45:311
420723090,2sleep10-21swapper/111:27:151
824123080,2sleep10-21swapper/107:40:221
2986523050,2sleep20-21swapper/207:07:422
1008723050,7sleep119-21ksoftirqd/107:45:191
1008723050,7sleep119-21ksoftirqd/107:45:191
1194423030,2sleep20-21swapper/210:33:212
703523020,2sleep10-21swapper/109:12:411
2192522960,1sleep117886-21kworker/u8:508:20:181
1572722950,2sleep20-21swapper/208:00:332
3137422930,2sleep131368-21ssh11:15:381
695122920,1sleep12430-21kworker/u8:3307:35:301
1527322880,1sleep112599-21kworker/u8:008:00:251
1245022880,1sleep111077-21kworker/u8:1311:45:291
2007222840,1sleep119248-21kworker/u8:109:40:271
2183822830,1sleep218289-21kworker/u8:710:55:152
1172022810,2sleep10-21swapper/110:32:191
1052222800,1sleep19429-21kworker/u8:409:20:151
1944922780,1sleep116228-21kworker/u8:310:50:171
153922780,1sleep229825-21kworker/u8:1007:20:202
153922780,1sleep229825-21kworker/u8:1007:20:202
2852522770,2sleep10-21swapper/112:20:351
2844422760,1sleep222856-21kworker/u8:211:10:162
1745122760,1sleep116331-21kworker/u8:108:05:351
2558222740,2sleep20-21swapper/212:15:182
2558222740,2sleep20-21swapper/212:15:172
2445622710,1sleep222868-21kworker/u8:1711:00:272
162922710,1sleep130300-21kworker/u8:310:10:321
789822700,1sleep27466-21kworker/u8:907:40:012
445322700,1sleep230299-21kworker/u8:210:16:122
1746822700,2sleep20-21swapper/208:05:362
448422690,2sleep10-21swapper/109:05:301
448422690,2sleep10-21swapper/109:05:291
2722322680,1sleep122856-21kworker/u8:211:05:491
1972422680,9sleep225-21ksoftirqd/210:50:222
1484022680,1sleep213945-21kworker/u8:110:40:132
881722670,2sleep28800-21ssh10:25:422
881722670,2sleep28800-21ssh10:25:412
2833822670,1sleep227992-21kworker/u8:2709:58:552
2558622670,3sleep2121rcu_preempt08:30:372
1720722660,1sleep215390-21kworker/u8:111:55:392
2713322650,2sleep10-21swapper/108:35:301
2215922650,1sleep113944-21kworker/u8:010:55:231
2167822650,3sleep221667-21ssh12:05:282
175022650,12sleep132501-21kworker/u8:1008:56:531
1726122650,2sleep10-21swapper/111:55:421
957722640,2sleep29576-21cron07:45:002
875422640,2sleep18753-21ssh10:25:371
875422640,2sleep18753-21ssh10:25:361
3089322640,3sleep230892-21df11:15:182
1765722640,2sleep117649-21ssh10:45:271
2059222620,1sleep217885-21kworker/u8:408:15:252
287022610,2sleep20-21swapper/209:00:272
2588322610,2sleep125874-21munin-run11:05:001
90322600,1sleep132008-21kworker/u8:111:20:241
679622600,2sleep20-21swapper/209:11:292
422722600,2sleep10-21swapper/112:39:181
397022600,2sleep20-21swapper/212:38:022
2394122600,3sleep123940-21ssh12:10:301
2394122600,3sleep123940-21ssh12:10:301
1921522600,1sleep16938-21kworker/u8:609:39:551
2925322590,2sleep20-21swapper/212:22:212
215922590,4sleep21450-1kworker/u9:312:35:012
1474222590,2sleep10-21swapper/111:50:311
1389222590,2sleep10-21swapper/107:55:371
1348822590,2sleep10-21swapper/109:25:391
1314022590,2sleep213134-21ssh10:35:272
705922580,2sleep24942-1kworker/u9:111:35:002
56822580,1sleep232503-21kworker/u8:1208:55:142
3189222580,2sleep20-21swapper/212:28:142
3085422580,1sleep127992-21kworker/u8:2710:04:571
3033722580,1sleep229824-21kworker/u8:907:10:152
2842522580,1sleep127677-21kworker/u8:608:40:171
2687822580,4sleep126155-1kworker/u9:112:16:491
2687822580,4sleep126155-1kworker/u9:112:16:491
1896822580,1sleep211083-21kworker/u8:1812:00:172
1530922580,2sleep20-21swapper/209:30:232
1030422580,1sleep27466-21kworker/u8:907:45:242
1030422580,1sleep27466-21kworker/u8:907:45:242
317522570,1sleep232011-21kworker/u8:411:25:242
3070722570,2sleep20-21swapper/210:04:162
2008722570,3sleep218040-1kworker/u9:109:40:292
1442222570,2sleep20-21swapper/209:28:342
732122560,1sleep230300-21kworker/u8:310:22:512
3255622560,1sleep231474-21kworker/u8:307:15:302
3198322560,1sleep130299-21kworker/u8:210:05:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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