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2026-04-14 - 09:49
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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 Tue Apr 14, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
689924890,1sleep14998-21kworker/u8:1119:41:301
1204323290,2sleep20-21swapper/222:40:252
692923210,2sleep20-21swapper/219:41:552
3099423130,2sleep10-21swapper/120:55:261
3114123110,4sleep226356-21kworker/2:123:22:012
3114123110,4sleep226356-21kworker/2:123:22:012
2643623100,17sleep10-21swapper/123:11:141
2922523090,2sleep20-21swapper/219:12:342
1491823090,1sleep210343-21kworker/u8:1220:05:392
1743423050,2sleep117428-21ssh21:40:301
1412322970,2sleep20-21swapper/221:34:232
3107322950,2sleep131072-21ssh00:35:011
3059522950,1sleep120243-21kworker/u8:922:10:211
2196322950,2sleep20-21swapper/221:50:322
1169022950,1sleep25497-21kworker/u8:523:50:352
1169022950,1sleep25497-21kworker/u8:523:50:352
2360822930,1sleep217302-21kworker/u8:023:05:322
3267622910,2sleep10-21swapper/123:25:291
940222880,1sleep17818-21kworker/u8:223:45:351
2186322860,3sleep1121rcu_preempt21:50:271
2302922850,2sleep123028-21/usr/sbin/munin23:05:131
1394222850,2sleep10-21swapper/123:55:321
1308222850,2sleep20-21swapper/220:00:272
2613522840,1sleep123490-21kworker/u8:1920:40:271
1623222820,2sleep216223-21ssh00:00:412
2525322810,2sleep225252-21ssh23:10:162
1511522810,2sleep115097-21ssh21:35:281
1318822800,1sleep17166-21kworker/u8:18320:00:341
2949022780,2sleep20-21swapper/220:50:322
613722770,1sleep1990-21kworker/u8:1521:15:291
1596922770,4sleep212061-1kworker/u9:221:37:262
994222760,2sleep20-21swapper/219:50:392
2798822760,1sleep124406-21kworker/u8:523:15:241
2432122760,1sleep119017-21kworker/u8:1000:20:011
2432122760,1sleep119017-21kworker/u8:1000:20:011
1216422750,2sleep10-21swapper/122:40:321
2782122740,2sleep30-21swapper/319:10:003
2353422740,1sleep220243-21kworker/u8:921:55:152
45222720,1sleep129971-21kworker/u8:1721:00:341
45222720,1sleep129971-21kworker/u8:1721:00:341
3197622720,2sleep231977-21http21:00:022
2598122720,2sleep20-21swapper/200:22:392
226122720,1sleep1992-21kworker/u8:1821:05:361
1962222720,1sleep210335-21kworker/u8:520:20:262
874722710,2sleep10-21swapper/119:47:001
2904222710,1sleep224226-21kworker/u8:000:30:152
2524822710,2sleep10-21swapper/100:20:361
2348022700,1sleep223482-21kworker/u8:920:32:362
915922690,1sleep22666-21kworker/u8:421:22:012
602022690,2sleep127495-1kworker/u9:023:39:211
475222690,1sleep228937-21kworker/u8:023:35:272
2675622690,2sleep10-21swapper/122:00:401
1429522690,2sleep214148-21ssh23:55:382
996322680,1sleep25497-21kworker/u8:523:46:332
2675622680,4sleep226356-21kworker/2:100:25:082
2675622680,4sleep226356-21kworker/2:100:25:082
2109822680,1sleep117304-21kworker/u8:223:00:261
684322670,1sleep25499-21kworker/u8:723:40:232
3257322670,2sleep20-21swapper/200:36:352
31922670,4sleep226356-21kworker/2:123:25:382
2460522670,1sleep123491-21kworker/u8:2020:35:371
168922670,2sleep20-21swapper/222:17:462
1157222670,2sleep20-21swapper/221:27:532
1157222670,2sleep20-21swapper/221:27:532
627022660,2sleep26266-21ssh21:15:552
1437722660,1sleep212962-21kworker/u8:522:45:312
1143822660,2sleep10-21swapper/119:55:281
281322650,2sleep20-21swapper/219:30:302
2160322650,1sleep112384-21kworker/u8:100:13:131
2160322650,1sleep112384-21kworker/u8:100:13:131
1960222650,2sleep20-21swapper/221:45:262
1884722650,2sleep218841-21ssh22:55:282
1821322650,3sleep118212-21ssh22:55:071
473322640,2sleep20-21swapper/222:25:132
3088522630,3sleep211427-21kworker/2:122:10:262
2654322630,2sleep20-21swapper/222:00:372
227022630,3sleep25081-21kworker/2:321:05:382
165722630,1sleep132457-21kworker/u8:319:26:071
165722630,1sleep132457-21kworker/u8:319:26:061
422622620,1sleep23373-21kworker/u8:119:35:242
2226122620,1sleep210095-21kworker/u8:400:15:152
2226122620,1sleep210095-21kworker/u8:400:15:152
1646622620,1sleep27149-21kworker/u8:16620:10:322
36422610,1sleep129358-21kworker/u8:022:15:201
2946422610,2sleep10-21swapper/122:07:201
260922610,2sleep123039-1kworker/u9:219:30:241
1850022610,1sleep110095-21kworker/u8:400:05:381
824622600,1sleep26987-21kworker/u8:419:45:332
316222600,1sleep11535-21kworker/u8:522:20:341
3004722600,2sleep10-21swapper/119:15:251
3049322590,1sleep128942-21kworker/u8:1023:20:351
3049322590,1sleep128942-21kworker/u8:1023:20:351
1971522590,1sleep16778-21kworker/u8:021:45:331
856222580,1sleep26125-21kworker/u8:822:33:172
3157122580,3sleep131303-21/usr/sbin/munin00:35:201
2497222580,1sleep223491-21kworker/u8:2020:35:572
1750322580,2sleep20-21swapper/221:40:352
1641322580,2sleep10-21swapper/120:10:281
1066122580,1sleep26121-21kworker/u8:022:37:312
983822570,1sleep17127-21kworker/u8:14419:50:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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