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2026-06-17 - 13:01
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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 Wed Jun 17, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
953424430,1sleep132032-21kworker/u8:900:05:161
2230723930,2sleep10-21swapper/122:10:251
416523800,2sleep225847-1kworker/u9:120:00:142
3208723580,1sleep225-21ksoftirqd/219:45:352
3208723580,1sleep225-21ksoftirqd/219:45:342
2230823550,2sleep217262-1kworker/u9:222:10:262
416323480,2sleep14164-21dpkg20:00:141
759223450,2sleep20-21swapper/222:49:142
602823420,2sleep25292-1kworker/u9:020:05:192
602523250,2sleep10-21swapper/120:05:171
325223240,2sleep20-21swapper/221:28:052
2976723230,5sleep129766-21ntpq22:25:331
1570223210,2sleep1121rcu_preempt20:35:011
1981323200,2sleep217420-21kworker/u8:719:10:142
2248623150,2sleep10-21swapper/119:16:241
2248623150,2sleep10-21swapper/119:16:241
1281823100,1sleep18802-21kworker/u8:520:25:201
1281823100,1sleep18802-21kworker/u8:520:25:201
422723090,5sleep2251ksoftirqd/222:40:342
1646123090,2sleep10-21swapper/120:35:331
1548323080,2sleep115479-21ntpq23:05:331
2995923070,2sleep10-21swapper/123:38:101
762723060,2sleep20-21swapper/221:37:262
1888023060,1sleep214117-21kworker/u8:1219:05:442
42523010,6sleep2241rcuc/223:45:152
914922980,3sleep29138-21ssh21:40:312
2861922970,2sleep20-21swapper/219:35:362
2861922970,2sleep20-21swapper/219:35:362
2186122970,2sleep221855-21ssh00:30:402
2978622950,1sleep228256-21kworker/u8:1522:25:342
1760522930,2sleep116230-21kworker/u8:123:10:251
1715022930,2sleep215631-21kworker/u8:1300:20:302
1647022930,1sleep215298-21kworker/u8:2520:35:332
1885722880,2sleep10-21swapper/119:05:431
1646922880,1sleep212211-21kworker/u8:721:56:152
1456422880,2sleep20-21swapper/200:15:322
1878922870,2sleep30-21swapper/319:05:373
288022860,1sleep11772-21kworker/u8:319:55:301
1812822850,1sleep116931-21kworker/u8:020:40:361
1812822850,1sleep116931-21kworker/u8:020:40:361
2533622830,2sleep2121rcu_preempt21:04:492
1414422800,2sleep10-21swapper/121:51:001
2383022790,2sleep10-21swapper/123:25:071
191722790,3sleep11921-21cpuspeed21:25:191
1823922790,1sleep117928-21kworker/u8:000:23:351
1300422790,1sleep212218-21kworker/u8:1521:50:122
2798422780,2sleep127978-21ssh21:10:391
511122770,2sleep10-21swapper/122:43:061
1874822770,2sleep20-21swapper/223:13:432
1132322770,1sleep23041-21kworker/u8:121:45:262
981122760,2sleep28806-1kworker/u9:120:15:242
391822760,2sleep23919-21ssh21:30:142
3121822760,3sleep231214-21ssh23:40:282
2697522750,1sleep117420-21kworker/u8:719:30:321
2697522750,1sleep117420-21kworker/u8:719:30:311
2502222750,5sleep217262-1kworker/u9:222:15:292
2647622740,2sleep111683-21kworker/u8:623:30:231
1754022740,2sleep10-21swapper/122:00:161
2660422730,4sleep2241rcuc/219:30:202
2660422730,4sleep2241rcuc/219:30:202
928222720,1sleep17599-21kworker/u8:221:40:391
753222720,2sleep10-21swapper/122:48:571
283022720,1sleep228253-21kworker/u8:1022:38:062
3013622710,1sleep128750-21kworker/u8:121:15:301
3013622710,1sleep128750-21kworker/u8:121:15:301
2507422710,2sleep20-21swapper/223:26:252
1859122710,1sleep212211-21kworker/u8:722:00:422
1480722710,2sleep214806-21ssh23:05:152
498422700,2sleep14949-21ssh21:30:411
3166622700,1sleep228256-21kworker/u8:1522:30:212
182522700,1sleep128256-21kworker/u8:1522:35:261
1302122700,2sleep10-21swapper/100:11:271
974122690,1sleep18799-21kworker/u8:220:15:221
1747122690,2sleep20-21swapper/220:40:172
1747122690,2sleep20-21swapper/220:40:162
1454822690,6sleep114547-21df00:15:301
817022680,1sleep127454-21kworker/u8:400:00:381
799622680,1sleep17144-21kworker/u8:422:50:021
2625822680,2sleep20-21swapper/221:05:332
2531922680,2sleep125280-21ssh22:15:441
2031322680,2sleep120247-21kworker/u8:2420:47:591
1946122680,3sleep219455-21ssh00:25:292
1320222680,7sleep228918-21kworker/2:223:00:322
991522670,2sleep219929-1kworker/u9:200:05:262
3020622670,2sleep20-21swapper/221:15:352
3020622670,2sleep20-21swapper/221:15:352
2586722670,6sleep1181rcuc/121:05:211
2253322670,1sleep117930-21kworker/u8:100:32:191
96022660,2sleep10-21swapper/121:23:091
794322660,2sleep27931-21ssh00:00:312
618822660,1sleep15303-21kworker/u8:521:35:161
2984122660,1sleep129112-21kworker/u8:719:40:231
274322660,3sleep12742-21ssh23:50:121
2683922660,2sleep126838-21ssh22:20:151
1480422660,1sleep212099-21kworker/u8:220:30:322
39822650,1sleep225150-21kworker/u8:1021:20:412
3064522650,1sleep116229-21kworker/u8:023:40:161
2399722650,3sleep219613-21cyclictest00:35:302
2399722650,3sleep219613-21cyclictest00:35:302
1233322650,1sleep212104-21kworker/u8:820:25:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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