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2026-04-11 - 14:47
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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 Sat Apr 11, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2690324090,2sleep2121rcu_preempt20:55:252
94523680,1sleep230995-21kworker/u8:319:40:122
2362623670,2sleep20-21swapper/220:45:282
95223530,2sleep10-21swapper/119:40:171
960523200,1sleep17022-21kworker/u8:1620:05:281
1675623120,2sleep2241rcuc/200:10:362
1273823090,5sleep211515-21kworker/u8:221:40:202
1082523060,2sleep10-21swapper/123:57:491
3068523040,2sleep10-21swapper/121:06:091
312523010,2sleep13124-21ssh23:40:241
2111123000,2sleep10-21swapper/120:39:441
1200022940,2sleep111998-21ssh22:50:101
47322930,2sleep20-21swapper/223:35:182
47322930,2sleep20-21swapper/223:35:182
2229422930,1sleep111515-21kworker/u8:222:00:261
2636122920,2sleep20-21swapper/200:31:342
834322910,1sleep27023-21kworker/u8:1720:00:422
762722900,1sleep23872-21kworker/u8:1223:50:262
1555322850,2sleep10-21swapper/120:20:391
2658922820,1sleep224526-21kworker/u8:519:20:022
2406622820,1sleep114058-21kworker/u8:322:05:111
2000522810,2sleep10-21swapper/100:18:401
1986222810,1sleep12108-21kworker/u8:323:05:471
1653622790,2sleep20-21swapper/221:48:032
3111722780,1sleep229911-21kworker/u8:1222:20:202
1795222780,2sleep117947-21ssh21:50:371
1230922780,1sleep28386-21kworker/u8:500:00:352
1632822770,2sleep2422-1kworker/u9:223:00:002
1451822770,1sleep212981-21kworker/u8:600:05:332
1132122770,2sleep271711kworker/u8:521:35:572
3152522760,1sleep127631-21kworker/u8:822:20:351
2889922750,2sleep20-21swapper/223:25:382
2014822750,1sleep219304-21kworker/u8:020:35:222
608522730,2sleep10-21swapper/119:55:181
608522730,2sleep10-21swapper/119:55:171
748722720,2sleep20-21swapper/221:29:132
571522720,2sleep15702-21apt-get21:25:151
3023922720,2sleep20-21swapper/221:05:302
2060122720,1sleep219567-21kworker/u8:2000:20:132
2006722720,2sleep20-21swapper/221:55:282
2006722720,2sleep20-21swapper/221:55:272
1926322710,3sleep219179-21ssh00:15:382
1466822710,2sleep10-21swapper/121:44:571
1322922710,1sleep211219-21kworker/u8:522:51:162
2837322700,3sleep225-21ksoftirqd/219:25:172
294222690,1sleep130996-21kworker/u8:419:45:241
917922680,1sleep24396-21kworker/u8:122:43:312
425622680,1sleep23872-21kworker/u8:1223:43:422
94722670,1sleep127106-21kworker/u8:623:35:331
94722670,1sleep127106-21kworker/u8:623:35:331
592822670,3sleep25927-21ssh23:46:002
480522670,1sleep13872-21kworker/u8:1223:45:151
3201922670,1sleep130773-21kworker/u8:1221:10:351
1199122670,2sleep20-21swapper/220:10:332
1113222670,2sleep20-21swapper/223:59:182
2888222660,4sleep223169-21cyclictest22:15:222
2075722660,1sleep114058-21kworker/u8:321:56:321
2075722660,1sleep114058-21kworker/u8:321:56:311
1733222660,1sleep112765-21kworker/u8:300:11:391
1732222660,2sleep20-21swapper/223:00:362
1018722660,2sleep27022-21kworker/u8:1620:05:432
773822650,2sleep17732-21apt-get20:00:181
3150222650,1sleep227106-21kworker/u8:623:30:442
3044822650,1sleep129368-21kworker/u8:519:30:261
2643322650,2sleep10-21swapper/119:20:011
225622650,3sleep22255-21ssh22:27:442
2941222640,1sleep129142-21kworker/u8:721:05:011
2728322640,2sleep20-21swapper/223:22:122
1928922640,2sleep217678-21kworker/u8:120:32:132
1409322640,1sleep112981-21kworker/u8:600:05:201
1349722640,8sleep119-21ksoftirqd/100:04:491
1003122640,1sleep18924-21kworker/u8:422:45:201
2389022630,2sleep20-21swapper/222:05:012
1607022630,1sleep114058-21kworker/u8:321:45:501
1304622630,2sleep212531-21kworker/u8:220:15:112
490022620,2sleep10-21swapper/119:50:351
490022620,2sleep10-21swapper/119:50:351
3107322620,1sleep127106-21kworker/u8:623:30:311
2853322620,2sleep20-21swapper/200:36:052
2918822610,1sleep125548-21kworker/u8:522:15:291
2732822610,2sleep127330-21timerandwakeup22:10:391
2575422610,1sleep119567-21kworker/u8:2000:30:301
2529022610,2sleep10-21swapper/120:50:301
67122600,1sleep232720-21kworker/u8:1421:14:172
480622600,2sleep20-21swapper/219:50:292
480622600,2sleep20-21swapper/219:50:282
2429522600,2sleep20-21swapper/223:15:322
966022590,3sleep225-21ksoftirqd/221:33:472
2766122590,1sleep126369-21kworker/u8:019:20:411
1779022590,2sleep20-21swapper/221:50:262
926222580,1sleep14396-21kworker/u8:122:43:551
551222580,1sleep12109-21kworker/u8:422:35:191
551222580,1sleep12109-21kworker/u8:422:35:181
443022580,2sleep20-21swapper/222:32:182
2593522580,1sleep225547-21kworker/u8:222:09:272
415122570,3sleep24150-21ssh21:20:322
2682622570,2sleep20-21swapper/222:10:232
2588022570,1sleep125009-21kworker/u8:423:20:101
2350522570,2sleep10-21swapper/119:10:161
1046322570,6sleep14148-1kworker/u9:021:35:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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