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2026-01-09 - 06:03
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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 Jan 09, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3256924010,1sleep131680-21kworker/u8:1121:50:161
3256924010,1sleep131680-21kworker/u8:1121:50:161
961423280,1sleep227007-21kworker/u8:822:10:132
1992123140,2sleep20-21swapper/222:30:382
1725323090,1sleep28622-21kworker/u8:923:35:282
1339923050,4sleep111045-21kworker/u8:5119:30:181
87222990,2sleep10-21swapper/100:10:261
77222980,2sleep2766-21ssh21:50:332
77222980,2sleep2766-21ssh21:50:332
2548422970,6sleep119-21ksoftirqd/123:54:491
1219322970,1sleep225-21ksoftirqd/219:25:312
1854822960,2sleep117827-21kworker/u8:619:45:271
287922940,1sleep232120-21kworker/u8:900:15:182
2336722930,1sleep122109-21kworker/u8:021:30:221
1133922910,2sleep20-21swapper/223:23:062
1400622890,10sleep26433-21cyclictest22:20:012
1009322880,1sleep18620-21kworker/u8:723:20:191
1197422870,2sleep20-21swapper/200:35:012
1123322870,2sleep20-21swapper/221:00:302
553022860,2sleep15467-21ssh23:10:221
770522850,2sleep27704-21awk22:05:292
3009122850,2sleep10-21swapper/100:03:511
3009122850,2sleep10-21swapper/100:03:511
117622850,2sleep21165-21ssh23:00:382
3121622840,1sleep129803-21kworker/u8:400:05:271
2370222840,1sleep122914-21kworker/u8:3220:00:151
2647922830,2sleep10-21swapper/122:45:371
58122820,1sleep229800-21kworker/u8:000:10:182
2075022820,2sleep20-21swapper/219:50:312
1450922810,2sleep214501-21ssh21:10:282
1136622810,1sleep110963-21kworker/u8:922:13:451
370322800,3sleep2121rcu_preempt21:56:322
2184922800,6sleep220076-21kworker/u8:1122:35:372
2150422800,2sleep20-21swapper/223:45:162
2141022800,2sleep20-21swapper/221:25:272
1721522790,1sleep116399-21kworker/u8:019:40:241
3216022770,1sleep229363-21kworker/u8:022:59:002
2634522770,1sleep124931-21kworker/u8:023:55:251
2856922760,2sleep20-21swapper/221:40:282
2843422760,1sleep127004-21kworker/u8:521:40:231
2947122740,2sleep224935-21kworker/u8:600:00:532
2947122740,2sleep224935-21kworker/u8:600:00:532
962422730,2sleep19622-21modprobe19:20:001
1490222730,2sleep114862-21ssh23:30:251
1490222730,2sleep114862-21ssh23:30:241
1291422730,2sleep112910-21ssh00:35:311
802222720,1sleep16831-21kworker/u8:020:50:331
646622720,2sleep10-21swapper/122:03:271
2552722720,2sleep125476-21latency_hist22:45:001
2552722720,2sleep125476-21latency_hist22:45:001
1340322720,1sleep212663-21kworker/u8:119:30:202
830922710,2sleep28296-21ssh00:25:442
2620422710,1sleep122123-21kworker/u8:1821:35:291
1155322710,2sleep10-21swapper/119:25:151
542922700,2sleep25424-21ssh22:00:302
2599822700,1sleep222123-21kworker/u8:1821:35:262
2194122700,2sleep121940-21ssh23:45:331
1707122700,4sleep2251ksoftirqd/221:15:372
797922690,1sleep26831-21kworker/u8:020:50:302
1854922690,5sleep2241rcuc/219:45:292
1620122690,1sleep113381-21kworker/u8:1221:15:131
969022680,3sleep19650-21ssh00:30:001
954522680,1sleep16856-21kworker/u8:2820:55:261
310822680,1sleep20-21swapper/220:35:342
3088322680,2sleep221218-1kworker/u9:021:45:312
3064622680,1sleep224935-21kworker/u8:600:05:162
437722670,1sleep13690-21kworker/u8:121:59:371
1277222670,3sleep20-21swapper/221:05:252
1201322670,1sleep28619-21kworker/u8:623:25:062
563722660,2sleep225-21ksoftirqd/219:05:342
3241522660,3sleep132416-21sendmail23:00:011
3191222660,2sleep121343-21kworker/u8:1220:25:191
2856122650,1sleep222902-21kworker/u8:2020:15:192
243522650,1sleep11888-21kworker/u8:423:04:391
1230822650,1sleep18619-21kworker/u8:623:25:221
1968422640,2sleep10-21swapper/121:21:041
804922630,1sleep21888-21kworker/u8:423:15:342
629322630,1sleep23532-21kworker/u8:120:45:262
2950222630,1sleep121343-21kworker/u8:1220:17:441
2572722630,2sleep20-21swapper/220:05:302
3134422620,1sleep129461-21kworker/u8:120:24:591
2723322620,2sleep10-21swapper/120:10:241
2239922620,1sleep121345-21kworker/u8:1419:55:301
1384622620,1sleep110965-21kworker/u8:1122:19:361
2607922610,1sleep121340-21kworker/u8:820:05:381
1556422610,1sleep115365-21kworker/u8:121:13:241
808522600,2sleep10-21swapper/123:15:381
450922600,1sleep124934-21kworker/u8:500:18:331
2670122600,1sleep226197-21kworker/u8:220:10:142
1993922600,2sleep20-21swapper/221:22:182
1923722600,2sleep10-21swapper/123:40:211
1556622600,2sleep20-21swapper/222:21:502
1198422600,3sleep111977-21cron21:05:001
2570522590,1sleep224951-21kworker/u8:422:45:012
2407122590,4sleep224063-21ssh21:30:472
2245322590,1sleep221345-21kworker/u8:1419:55:352
1846122590,1sleep217962-21kworker/u8:822:29:312
3220722580,2sleep20-21swapper/220:25:292
3086722580,1sleep129342-21kworker/u8:221:45:301
2875322580,1sleep127051-21kworker/u8:1222:50:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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