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2026-06-19 - 16:58
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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 Jun 19, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2658623710,6sleep126585-21apt-get11:15:131
2658923550,3sleep226094-21apt-get11:15:142
1549823430,2sleep215492-21ssh12:00:392
2642423350,1sleep125398-21kworker/u8:2312:25:101
2520823260,2sleep10-21swapper/110:00:331
1324623250,1sleep112219-21kworker/u8:1309:35:201
738423200,1sleep119-21ksoftirqd/109:21:121
2265123200,2sleep222618-21ssh09:55:232
3026923180,1sleep227935-21kworker/u8:109:00:232
1212323170,3sleep112124-21/usr/sbin/munin08:05:121
516623150,2sleep20-21swapper/210:27:322
3169523140,1sleep131354-21kworker/u8:309:05:021
92723110,1sleep1786-21kworker/u8:2909:08:311
2287223070,1sleep119083-21kworker/u8:509:55:301
3127023060,1sleep230251-21kworker/u8:311:25:162
49623000,1sleep225384-21kworker/u8:512:40:002
2563423000,10sleep119-21ksoftirqd/107:06:471
2563423000,10sleep119-21ksoftirqd/107:06:471
3207922940,1sleep225667-21kworker/u8:707:25:382
3048422940,1sleep130252-21kworker/u8:511:23:181
2516622940,1sleep223645-21kworker/u8:1410:00:302
3236522910,1sleep123645-21kworker/u8:1410:15:411
847022880,8sleep17116-1kworker/u9:111:45:291
3102922880,2sleep10-21swapper/110:15:011
1795722880,1sleep214237-21kworker/u8:010:55:312
2904822870,1sleep228958-21kworker/u8:407:18:302
2577322870,2sleep20-21swapper/207:08:292
2577322870,2sleep20-21swapper/207:08:292
2028522870,1sleep219085-21kworker/u8:809:50:212
1613022870,1sleep214242-21kworker/u8:810:50:412
848222860,2sleep28481-21ssh10:35:162
379722860,1sleep13511-21kworker/u8:007:40:141
1324822860,1sleep212219-21kworker/u8:1309:35:202
1145122850,1sleep17615-21kworker/u8:309:30:351
1437722840,1sleep111351-21kworker/u8:608:10:321
123222840,2sleep21155-21ssh09:10:022
2971622810,1sleep20-21swapper/211:20:372
1438322810,2sleep211434-1kworker/u9:008:10:332
1308422810,1sleep111409-21kworker/u8:711:55:341
1125022810,5sleep19601-21kworker/u8:510:40:331
634722800,3sleep25021-21kworker/u8:010:30:222
634722800,3sleep25021-21kworker/u8:010:30:222
2764422800,2sleep227645-21latency_hist07:15:012
1623722790,2sleep20-21swapper/209:40:402
1560822790,5sleep1181rcuc/112:00:461
566822780,2sleep20-21swapper/207:45:222
44122770,1sleep130529-21kworker/u8:1007:30:081
2944022770,17sleep128955-21kworker/u8:107:20:061
1998222770,3sleep1121rcu_preempt12:10:271
1966522770,3sleep219664-21ssh12:10:202
916922760,1sleep26461-21kworker/u8:307:55:232
2994922760,1sleep127936-21kworker/u8:409:00:021
2469722760,2sleep30-21swapper/307:05:173
2469722760,2sleep30-21swapper/307:05:163
764022750,2sleep10-21swapper/107:50:321
2418322750,2sleep10-21swapper/108:40:311
609322740,5sleep119-21ksoftirqd/107:45:371
2742422740,1sleep124685-21kworker/u8:508:50:341
2940022730,1sleep223636-21kworker/u8:610:10:232
1073222730,2sleep19110-1kworker/u9:311:50:321
627522710,1sleep15025-21kworker/u8:710:30:211
627522710,1sleep15025-21kworker/u8:710:30:201
2183522710,2sleep214238-1kworker/u9:111:05:082
1788122710,1sleep114239-21kworker/u8:110:55:261
1770022710,1sleep116466-21kworker/u8:2408:20:371
846222700,2sleep28461-21ssh09:25:142
846222700,2sleep28461-21ssh09:25:142
3244222700,2sleep20-21swapper/210:16:012
2741822700,1sleep223646-21kworker/u8:1510:05:292
2376922700,2sleep10-21swapper/111:09:401
165322690,5sleep2251ksoftirqd/211:30:302
165322690,5sleep2251ksoftirqd/211:30:302
2301922680,1sleep1121rcu_preempt12:17:061
1609122680,3sleep211434-1kworker/u9:008:15:352
1577222680,2sleep115770-21ssh09:40:231
1280722680,2sleep10-21swapper/110:45:131
1094622680,1sleep29702-21kworker/u8:408:00:342
390822670,2sleep10-21swapper/111:35:321
849522660,3sleep28490-21ssh11:45:302
634022660,1sleep25274-21kworker/u8:011:40:352
368722660,1sleep1880-21kworker/u8:310:25:061
2717722660,2sleep20-21swapper/212:25:492
178922660,1sleep123636-21kworker/u8:610:20:261
164322660,1sleep119-21ksoftirqd/111:30:291
164322660,1sleep119-21ksoftirqd/111:30:291
1053922660,2sleep210536-21ssh10:40:112
2815522650,1sleep123645-21kworker/u8:1410:06:591
281322650,1sleep11631-21kworker/u8:1307:35:361
281322650,1sleep11631-21kworker/u8:1307:35:361
1772322650,1sleep116237-21kworker/u8:112:05:321
1772322650,1sleep116237-21kworker/u8:112:05:321
977422640,1sleep15314-21kworker/u8:1109:26:501
977422640,1sleep15314-21kworker/u8:1109:26:501
2738122640,1sleep224685-21kworker/u8:508:50:302
2221922640,2sleep20-21swapper/212:15:262
1560022630,1sleep19703-21kworker/u8:508:15:181
1215322630,1sleep20-21swapper/209:32:182
1075122630,1sleep29107-21kworker/u8:511:50:332
879622620,1sleep17333-21kworker/u8:310:35:241
366422620,2sleep23661-21ssh11:35:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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