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2026-04-03 - 21:17
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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 Fri Apr 03, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1061523180,2sleep20-21swapper/207:50:132
157423170,2sleep21575-21/usr/sbin/munin11:25:322
2353623150,2sleep10-21swapper/111:02:551
213923150,1sleep124105-21kworker/u8:1410:15:221
332023140,1sleep232187-21kworker/u8:1207:26:402
1284023140,1sleep211767-21kworker/u8:907:55:282
1261023110,2sleep10-21swapper/110:39:561
2273223090,1sleep221800-21kworker/u8:509:50:152
1321723060,1sleep2121rcu_preempt11:50:332
3149323040,2sleep10-21swapper/108:54:011
3149323040,2sleep10-21swapper/108:54:001
1282423020,1sleep111769-21kworker/u8:1107:55:271
2809722990,2sleep30-21swapper/307:05:243
1480622980,1sleep113844-21kworker/u8:411:55:141
459722960,1sleep23142-21kworker/u8:310:20:302
459722960,1sleep23142-21kworker/u8:310:20:302
1305822940,2sleep20-21swapper/209:29:282
1093922910,1sleep12578-21kworker/u8:811:45:341
2291122900,7sleep1121rcu_preempt12:11:471
2044622890,1sleep216989-21kworker/u8:609:45:132
867122870,3sleep18670-21ssh11:40:351
2754022860,2sleep20-21swapper/208:40:312
3065622830,1sleep125480-21kworker/u8:907:15:001
570422800,1sleep23325-21kworker/u8:2407:35:222
1388822800,1sleep113388-21kworker/u8:1308:00:131
1388822800,1sleep113388-21kworker/u8:1308:00:131
2540222790,1sleep223284-21kworker/u8:1211:06:102
1774022770,3sleep217715-21apt-get09:40:002
965922760,5sleep229072-21cyclictest07:45:392
2333422760,1sleep121800-21kworker/u8:509:50:311
3039122750,2sleep230376-21ssh10:05:432
2498622750,1sleep124106-21kworker/u8:1509:55:121
1995422750,2sleep10-21swapper/112:05:281
2774722740,2sleep10-21swapper/112:22:171
1885322740,3sleep218852-21sshd09:40:422
414122730,2sleep24137-21ssh11:30:352
2221822730,2sleep20-21swapper/212:10:272
2757422710,2sleep20-21swapper/210:00:202
3082822700,2sleep230759-21ssh11:20:012
1772622700,1sleep111762-21kworker/u8:408:10:301
1909822690,2sleep16820-1kworker/u9:308:15:211
1747622680,2sleep20-21swapper/208:10:232
511322670,1sleep13141-21kworker/u8:110:21:141
511322670,1sleep13141-21kworker/u8:110:21:141
3116522670,1sleep131005-21kworker/u8:010:08:151
2927822670,3sleep128061-1kworker/u9:308:45:361
2891922670,2sleep10-21swapper/110:03:251
3153222660,2sleep131524-21ntpq12:30:331
2756722660,1sleep126408-21kworker/u8:008:40:351
2677722660,1sleep23141-21kworker/u8:111:10:192
2420522660,3sleep221746-21kworker/2:008:30:252
2420522660,3sleep221746-21kworker/2:008:30:252
1919722660,3sleep20-21swapper/208:15:222
1627322660,1sleep18076-21kworker/u8:409:35:251
1586122660,2sleep211762-21kworker/u8:408:05:212
1095422660,2sleep210951-21ssh11:45:352
3244922650,1sleep229742-21kworker/u8:1008:55:302
3220222650,3sleep231610-1kworker/u9:110:10:252
3110322650,1sleep225333-21kworker/u8:112:30:192
2260822650,3sleep216402-21kworker/u8:711:00:312
1459822650,2sleep10-21swapper/110:43:371
134722650,1sleep11339-21ssh12:35:281
862722640,1sleep26936-21kworker/u8:211:40:322
2941722640,1sleep125561-21kworker/u8:1111:15:291
1533022640,2sleep10-21swapper/109:34:381
248022630,2sleep10-21swapper/111:26:521
2162122630,4sleep119478-1kworker/u9:010:59:451
2093922620,1sleep119844-21kworker/u8:1308:20:271
1626122620,1sleep212049-21kworker/u8:010:45:432
788222610,1sleep129742-21kworker/u8:1009:16:251
3237722610,1sleep129737-21kworker/u8:508:55:251
2138922610,2sleep20-21swapper/208:20:402
2085922610,2sleep20-21swapper/210:56:012
3237622600,1sleep130143-21kworker/u8:411:21:491
2425822600,2sleep16820-1kworker/u9:308:30:291
2425822600,2sleep16820-1kworker/u9:308:30:291
2091422600,2sleep20-21swapper/212:08:022
1403022600,2sleep20-21swapper/210:40:442
915222590,2sleep29149-21ntpq10:30:362
678422590,2sleep16778-21ssh10:25:271
441122590,1sleep23325-21kworker/u8:2407:30:272
3012622590,1sleep125335-21kworker/u8:712:28:001
162522590,3sleep11624-21users07:20:531
798122580,2sleep20-21swapper/210:29:152
407322580,2sleep10-21swapper/111:30:291
1306422580,1sleep16936-21kworker/u8:211:50:241
1095022580,2sleep20-21swapper/210:35:222
1532122570,2sleep20-21swapper/208:05:012
1532122570,2sleep20-21swapper/208:05:012
961422560,2sleep10-21swapper/109:20:301
961422560,2sleep10-21swapper/109:20:301
3214022560,1sleep125480-21kworker/u8:907:15:491
3188422560,1sleep230143-21kworker/u8:411:20:362
2107722560,2sleep121066-21ssh09:45:311
1065622560,2sleep20-21swapper/209:23:452
1065622560,2sleep20-21swapper/209:23:442
706322550,1sleep16936-21kworker/u8:211:37:051
399422550,1sleep13827-21kworker/u8:709:09:081
1734622550,1sleep113845-21kworker/u8:512:00:171
1310122550,2sleep10-21swapper/109:29:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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