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2026-05-15 - 08:09
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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 May 15, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2699023660,1sleep221156-21kworker/u8:221:45:162
460323330,1sleep1717-21kworker/u8:422:05:311
2444423300,2sleep10-21swapper/100:00:081
2444423300,2sleep10-21swapper/100:00:081
669823230,2sleep10-21swapper/120:57:251
2389723210,1sleep122816-21kworker/u8:920:10:301
649323200,3sleep20-21swapper/223:20:222
2699823170,1sleep125790-21kworker/u8:521:45:201
1727123170,3sleep217272-21ssh22:33:272
708823120,2sleep119-21ksoftirqd/122:10:331
3083123110,5sleep1191ksoftirqd/123:02:441
2738723070,2sleep127388-21ssh00:05:311
1511023040,1sleep212955-21kworker/u8:119:45:142
2775123010,7sleep225-21ksoftirqd/222:55:372
2281322970,2sleep20-21swapper/223:55:312
2536622910,2sleep125367-21/usr/sbin/munin22:50:291
228322910,2sleep12282-21ssh22:00:281
3011522900,1sleep128346-21kworker/u8:821:50:351
640222890,8sleep1121rcu_preempt00:30:211
2883722880,1sleep227670-21kworker/u8:1420:25:342
2330322870,7sleep1121rcu_preempt23:55:581
1570422870,2sleep20-21swapper/221:20:302
2952122830,2sleep20-21swapper/221:50:202
2732922830,1sleep216588-21kworker/u8:500:05:282
2055522820,1sleep117890-21kworker/u8:920:00:251
1985722820,1sleep116597-21kworker/u8:1323:50:111
1520122790,1sleep213069-21kworker/u8:122:29:292
2130222780,3sleep27743-21kworker/u8:622:40:502
2130222780,3sleep27743-21kworker/u8:622:40:502
420722760,2sleep20-21swapper/220:50:192
3193922760,1sleep128166-21kworker/u8:900:15:371
2418222760,1sleep121160-21kworker/u8:721:40:001
1291622760,1sleep29608-21kworker/u8:223:35:012
780222750,3sleep10-21swapper/121:00:311
2206822750,2sleep20-21swapper/220:05:242
2188622750,1sleep119434-21kworker/u8:1220:05:201
709822740,2sleep27095-21ssh00:30:442
410722740,1sleep23018-21kworker/u8:1000:25:192
2577022740,3sleep218834-21kworker/u8:021:41:462
3108422730,1sleep128165-21kworker/u8:800:15:001
2505522730,3sleep225048-21ssh00:00:262
2505522730,3sleep225048-21ssh00:00:262
2882822720,2sleep10-21swapper/120:25:331
1699122720,2sleep10-21swapper/119:50:201
1489822720,2sleep10-21swapper/122:27:591
1896522710,2sleep218930-21ssh22:35:442
154522710,2sleep21544-21ssh00:20:172
1228022710,2sleep10-21swapper/121:13:591
121022710,2sleep10-21swapper/120:40:261
763822700,1sleep16296-21kworker/u8:1519:20:451
60622700,1sleep125790-21kworker/u8:521:56:451
592922700,2sleep22845-21kworker/u8:2423:20:012
2672022700,2sleep221605-21kworker/u8:722:54:532
2555122700,1sleep124366-21kworker/u8:1320:15:321
1120222700,3sleep211189-21ssh21:10:372
2905522690,4sleep229054-21ssh00:10:152
62422680,2sleep20-21swapper/220:40:142
407522670,3sleep13308-21cyclictest00:25:181
351022670,1sleep13001-21kworker/u8:219:10:151
1863522670,7sleep225-21ksoftirqd/219:55:192
1784822670,2sleep217847-21ssh23:45:182
1091322670,2sleep20-21swapper/219:30:352
3165222660,2sleep228166-21kworker/u8:900:15:302
2828322660,2sleep10-21swapper/122:56:331
2720522660,2sleep224369-1kworker/u9:320:20:322
2428322660,2sleep223712-21kworker/u8:1522:49:102
1346022650,2sleep113454-21ssh21:15:351
2520122640,3sleep10-21swapper/121:40:361
2315722640,2sleep123148-21ssh22:45:361
226822640,2sleep132569-1kworker/u9:200:20:401
2087822640,2sleep120873-21ssh22:40:331
2087822640,2sleep120873-21ssh22:40:331
1831522640,1sleep116591-21kworker/u8:723:45:371
1300722640,1sleep1121rcu_preempt23:35:161
1235122630,2sleep20-21swapper/222:21:372
240422620,2sleep20-21swapper/219:05:262
213622620,1sleep120869-21kworker/u8:1019:05:211
186322620,2sleep30-21swapper/319:05:153
1674722620,1sleep116297-21kworker/u8:1521:23:271
1245522620,2sleep20-21swapper/219:35:292
2432422610,2sleep20-21swapper/221:40:002
2111722610,3sleep221116-21ssh21:31:282
1340222610,2sleep20-21swapper/221:15:322
926322600,2sleep18179-21kworker/u8:819:25:321
336722600,1sleep22845-21kworker/u8:2423:14:232
294822600,2sleep20-21swapper/220:45:332
2628822600,3sleep226283-21ls20:19:592
1985622600,2sleep118841-1kworker/u9:321:30:101
941222590,2sleep10-21swapper/121:05:301
578022590,2sleep20-21swapper/219:15:352
533022590,1sleep13491-21kworker/u8:2820:55:011
3205722590,2sleep10-21swapper/120:35:301
3202422590,1sleep228346-21kworker/u8:821:55:192
1299322590,2sleep20-21swapper/223:35:132
622822580,6sleep119-21ksoftirqd/119:16:581
2131622580,1sleep29842-21kworker/u8:423:52:262
1020822580,1sleep29998-21kworker/u8:000:37:542
1020822580,1sleep29998-21kworker/u8:000:37:542
672922570,2sleep10-21swapper/123:20:291
579822560,1sleep23491-21kworker/u8:2820:55:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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