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2026-04-19 - 12:39
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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 Sun Apr 19, 2026 00:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2111924390,1sleep226429-21kworker/u8:1300:35:142
634023900,3sleep25531-1kworker/u9:020:20:152
2598423820,2sleep125983-21ssh23:35:381
989023630,5sleep1191ksoftirqd/120:30:271
1592923540,2sleep10-21swapper/122:05:121
988523530,1sleep29089-21kworker/u8:1120:30:252
1112723530,1sleep23354-21kworker/u8:623:05:152
1112723530,1sleep23354-21kworker/u8:623:05:152
2131323480,3sleep114280-21kworker/u8:721:05:171
42723420,14sleep225-21ksoftirqd/223:50:372
633823360,2sleep15533-1kworker/u9:120:20:141
1359623320,10sleep215213-21cyclictest23:10:152
2745423280,3sleep226953-21apt-get23:40:102
570923200,2sleep10-21swapper/100:02:091
1161523170,9sleep211573-21apt-get00:15:232
796823100,2sleep20-21swapper/200:06:012
1372723090,2sleep10-21swapper/120:40:291
1372723090,2sleep10-21swapper/120:40:291
3045823070,2sleep10-21swapper/121:25:351
279823070,1sleep12056-21kworker/u8:1420:10:101
684223010,1sleep15538-21kworker/u8:500:05:201
2771923000,2sleep10-21swapper/122:30:171
3149022990,2sleep20-21swapper/223:48:002
2783922970,1sleep222400-21kworker/u8:421:20:222
1441822970,2sleep30-21swapper/319:05:353
1441822970,2sleep30-21swapper/319:05:353
464322930,3sleep1121rcu_preempt21:40:191
464322930,3sleep1121rcu_preempt21:40:181
2307122930,2sleep20-21swapper/219:32:272
1440722910,2sleep20-21swapper/219:05:352
1440722910,2sleep20-21swapper/219:05:342
1933222900,1sleep15734-21kworker/u8:800:30:351
3144322890,1sleep131151-21kworker/u8:220:00:001
2117722880,3sleep121176-21ssh22:15:381
1157922880,2sleep10-21swapper/100:15:151
2259622860,1sleep119786-21kworker/u8:2919:30:371
2350622840,1sleep222399-21kworker/u8:221:10:282
2246922840,3sleep222404-21ssh23:30:012
1866622810,1sleep217468-21kworker/u8:1720:55:372
1938122790,2sleep20-21swapper/200:30:402
1100322780,2sleep20-21swapper/200:14:422
2810322770,2sleep128096-21ssh21:20:281
3207622760,2sleep20-21swapper/220:00:262
2274922760,7sleep1121rcu_preempt22:20:131
1700722760,2sleep10-21swapper/100:25:361
2568422750,4sleep224697-21kworker/u8:4819:40:232
2337822750,2sleep215213-21cyclictest23:30:372
1723222750,1sleep20-21swapper/222:06:482
546122740,2sleep20-21swapper/200:00:542
2903222740,9sleep119-21ksoftirqd/119:50:271
2903222740,9sleep119-21ksoftirqd/119:50:271
2558522740,1sleep124697-21kworker/u8:4819:40:231
1531222740,2sleep10-21swapper/120:45:261
959222730,2sleep29584-21ssh23:00:372
719622720,1sleep15818-21kworker/u8:122:55:301
719622720,1sleep15818-21kworker/u8:122:55:301
279922720,1sleep2332-21kworker/u8:620:10:112
1937422720,2sleep10-21swapper/122:11:171
1937422720,2sleep10-21swapper/122:11:171
2585822710,2sleep225848-21ssh22:25:382
2305722710,1sleep221766-21kworker/u8:2122:20:212
1185022700,3sleep211848-21ssh21:55:322
466222690,2sleep10-21swapper/120:15:171
2799422690,2sleep20-21swapper/222:30:262
1072822690,2sleep10-21swapper/121:54:181
565722680,2sleep222907-21kworker/2:021:41:412
565722680,2sleep222907-21kworker/2:021:41:402
1594822680,2sleep20-21swapper/219:10:242
1782422670,3sleep117825-21mailstats19:15:371
1696422670,3sleep216959-21ssh00:25:332
857522660,2sleep10-21swapper/120:25:351
828322660,2sleep20-21swapper/222:58:442
828322660,2sleep20-21swapper/222:58:442
2527122660,1sleep121766-21kworker/u8:2122:25:251
2412922660,2sleep20-21swapper/219:35:292
2412922660,2sleep20-21swapper/219:35:292
2193122660,2sleep20-21swapper/221:05:342
283122650,1sleep131373-21kworker/u8:122:45:371
1451522650,2sleep214509-21ssh00:20:352
2746722640,2sleep10-21swapper/119:45:321
2133722640,3sleep219785-21kworker/u8:2819:25:562
2025722640,2sleep20-21swapper/221:00:282
269022630,2sleep22689-21ssh21:35:302
3066022620,2sleep130655-21ssh23:45:451
1758122620,1sleep215128-21kworker/u8:219:15:262
601422610,1sleep15818-21kworker/u8:122:53:331
2778222610,2sleep10-21swapper/123:40:311
1517022610,1sleep115159-21kworker/u8:200:21:451
1158922610,4sleep111586-21latency21:55:231
102422610,2sleep10-21swapper/121:31:271
1942322600,1sleep210289-21kworker/u8:1022:11:302
1942322600,1sleep210289-21kworker/u8:1022:11:292
1840522600,1sleep117241-21kworker/u8:323:20:191
1802522600,1sleep117504-21kworker/u8:5220:55:161
452922590,3sleep24532-21sh22:50:152
360622590,2sleep20-21swapper/223:58:042
3174922590,1sleep131373-21kworker/u8:122:39:051
3062822590,1sleep227991-21kworker/u8:1719:55:262
1613322590,2sleep10-21swapper/123:15:201
665222580,2sleep26651-21ssh21:45:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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