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2026-06-08 - 18:36
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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 Mon Jun 08, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2814323790,3sleep227415-21kworker/u8:1107:35:172
2814323790,3sleep227415-21kworker/u8:1107:35:172
2814223770,2sleep120828-1kworker/u9:207:35:161
2814223770,2sleep120828-1kworker/u9:207:35:151
2561123370,5sleep125612-21/usr/sbin/munin07:25:411
2155623280,1sleep221243-21kworker/u8:011:20:162
1817023280,2sleep20-21swapper/211:11:122
2647123250,2sleep20-21swapper/209:07:292
568723240,1sleep24205-21kworker/u8:311:55:342
2041023210,2sleep20-21swapper/212:27:552
2106723180,2sleep10-21swapper/107:14:371
1577923180,1sleep111538-21kworker/u8:311:05:431
392623170,1sleep21060-21kworker/u8:009:30:212
2932823150,2sleep223240-21kworker/u8:1110:25:352
800323060,5sleep129687-1kworker/u9:312:00:361
2410623060,2sleep20-21swapper/207:21:362
450923000,1sleep23376-21kworker/u8:408:00:302
100222990,2sleep229682-21kworker/u8:2011:45:282
1436822980,2sleep20-21swapper/209:53:292
1300422950,2sleep212999-21ssh11:00:292
622222940,2sleep10-21swapper/108:05:361
1104722940,1sleep19273-21kworker/u8:510:55:381
1104722940,1sleep19273-21kworker/u8:510:55:381
930622930,10sleep225-21ksoftirqd/212:04:582
2321422920,2sleep10-21swapper/111:23:281
2214922920,1sleep218646-21kworker/u8:010:10:222
1862222900,2sleep30-21swapper/307:05:253
1862222900,2sleep30-21swapper/307:05:253
2840022890,1sleep123237-21kworker/u8:710:24:591
2497722890,1sleep215972-21kworker/u8:511:26:072
613222880,2sleep226403-1kworker/u9:209:35:192
1955722860,2sleep20-21swapper/208:45:372
1447822850,1sleep111533-21kworker/u8:1508:30:361
1834022830,1sleep116422-21kworker/u8:808:45:001
1206722830,4sleep2251ksoftirqd/212:10:102
783622810,2sleep10-21swapper/108:10:341
2026522810,3sleep220259-21ssh10:05:352
1348222810,1sleep111531-21kworker/u8:1308:30:001
675822800,7sleep26299-1kworker/u9:010:45:582
44022790,1sleep223126-21kworker/u8:1809:22:132
131822790,1sleep232467-21kworker/u8:310:35:212
361322780,1sleep232468-21kworker/u8:410:40:192
2683522780,1sleep122496-21kworker/u8:107:30:281
175922780,1sleep132468-21kworker/u8:410:35:361
1585222780,1sleep214771-21kworker/u8:008:35:282
2818922770,17sleep123208-21kworker/u8:2009:11:221
1924522760,2sleep10-21swapper/111:15:131
1796522760,1sleep216314-21kworker/u8:1010:00:332
2542522750,2sleep124661-1kworker/u9:212:40:001
43422740,5sleep119-21ksoftirqd/109:22:111
3120122740,3sleep131200-21ssh11:40:341
3089622740,2sleep23933-1kworker/u9:111:40:262
2475422740,1sleep218646-21kworker/u8:010:15:322
1689522740,1sleep115722-21kworker/u8:812:20:221
1579922740,2sleep20-21swapper/211:05:482
1017822740,1sleep21060-21kworker/u8:009:45:012
1528722730,1sleep114771-21kworker/u8:008:35:161
3004522720,1sleep227329-21kworker/u8:507:40:202
2043422720,1sleep119629-21kworker/u8:108:50:231
202722720,1sleep11060-21kworker/u8:009:25:301
634322710,2sleep10-21swapper/110:45:371
3033822710,1sleep127427-21kworker/u8:2307:40:281
2040822710,1sleep216423-21kworker/u8:908:50:122
2031822710,1sleep217563-21kworker/u8:707:10:302
1795322710,3sleep116321-1kworker/u9:210:00:321
740722700,1sleep15046-21kworker/u8:309:37:521
2635022700,3sleep23933-1kworker/u9:111:30:212
2635022700,3sleep23933-1kworker/u9:111:30:212
1116622700,3sleep211165-21ssh09:45:362
333722690,2sleep10-21swapper/111:50:301
2461422690,1sleep220317-21kworker/u8:112:36:272
2408722690,1sleep122882-21kworker/u8:211:25:171
2253422690,2sleep122533-21ntp_states10:10:371
113722690,1sleep129692-21kworker/u8:2911:45:351
1107822690,5sleep13354-1kworker/u9:112:07:391
3174622680,3sleep131740-21ssh10:30:291
815022670,2sleep18140-21ssh10:50:191
696722670,1sleep14203-21kworker/u8:011:59:511
2981622670,1sleep126412-21kworker/u8:1209:15:291
2981622670,1sleep126412-21kworker/u8:1209:15:281
2487222670,1sleep118646-21kworker/u8:010:15:391
1320822670,1sleep110924-21kworker/u8:212:10:581
1311522670,1sleep111535-21kworker/u8:011:00:361
2666522660,2sleep126659-21ssh11:30:281
2666522660,2sleep126659-21ssh11:30:281
1924822660,3sleep219234-21apt-get11:15:132
1408422660,1sleep11060-21kworker/u8:009:52:061
3090422650,2sleep118646-21kworker/u8:010:30:011
2696722650,2sleep226958-21ssh10:20:232
2144722650,1sleep118647-21kworker/u8:110:09:361
3199922640,2sleep10-21swapper/107:45:291
1615822640,2sleep20-21swapper/209:56:132
3140322630,2sleep20-21swapper/207:45:152
2690222630,2sleep20-21swapper/207:30:332
2500722630,1sleep224168-21kworker/u8:1207:25:232
1755822630,2sleep10-21swapper/111:10:261
137722630,1sleep226404-21kworker/u8:109:25:152
1491622620,1sleep214771-21kworker/u8:008:33:392
336022610,1sleep229692-21kworker/u8:2911:50:312
2696422610,1sleep223208-21kworker/u8:2009:10:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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