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2026-06-04 - 19:54
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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 Thu Jun 04, 2026 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2293224630,1sleep221980-21kworker/u8:1510:05:152
309924070,1sleep1764-21kworker/u8:1510:31:421
3275623920,1sleep231556-21kworker/u8:109:15:162
1138323460,2sleep10-21swapper/112:00:251
2190823360,3sleep22639-21kworker/2:107:05:302
2272723350,2sleep222728-21/usr/sbin/munin12:25:222
1794323220,1sleep210010-21kworker/u8:1411:05:152
2903523210,2sleep20-21swapper/210:18:212
2903523210,2sleep20-21swapper/210:18:212
393623190,2sleep10-21swapper/109:22:431
283323190,1sleep129328-21kworker/u8:1707:45:271
1734323190,2sleep10-21swapper/109:51:511
1442923190,2sleep20-21swapper/209:45:322
3203523150,2sleep10-21swapper/109:14:071
1794223130,2sleep114762-1kworker/u9:011:05:131
2751523090,1sleep226139-21kworker/u8:209:00:412
3268423050,1sleep124283-21kworker/u8:210:25:361
3263523050,2sleep228787-1kworker/u9:311:35:332
1433923050,1sleep29909-21kworker/u8:308:20:302
909922980,1sleep26722-21kworker/u8:1008:05:192
636022980,1sleep231068-21kworker/u8:611:50:122
1462422960,2sleep114557-21ssh09:45:391
478122950,2sleep24766-21ssh11:45:342
478122950,2sleep24766-21ssh11:45:342
1376722940,8sleep119-21ksoftirqd/112:05:311
499522920,2sleep10-21swapper/109:25:201
2841722910,1sleep227696-21kworker/u8:3807:25:182
2841722910,1sleep227696-21kworker/u8:3807:25:182
2809522910,2sleep10-21swapper/110:15:351
2809522910,2sleep10-21swapper/110:15:341
1046922900,9sleep2121rcu_preempt08:10:132
521022890,2sleep10-21swapper/110:35:571
932022880,3sleep129935-21diskmemload10:45:331
862422870,2sleep28623-21ssh10:45:152
781622870,1sleep26722-21kworker/u8:1008:00:282
664022870,1sleep1924-21kworker/u8:011:50:201
1147022870,1sleep19911-21kworker/u8:608:10:401
3029022860,1sleep228786-21kworker/u8:211:30:302
3005722860,2sleep10-21swapper/107:30:191
2043222860,1sleep210003-21kworker/u8:711:10:162
2574022850,2sleep20-21swapper/210:10:252
2574022850,2sleep20-21swapper/210:10:242
956722840,3sleep19566-21wc08:05:381
298222840,2sleep10-21swapper/111:40:551
2969122840,2sleep129690-21ssh10:20:121
999522830,2sleep128785-21kworker/u8:111:57:111
2667522830,1sleep226025-21kworker/u8:807:20:152
1732922830,2sleep20-21swapper/209:51:472
1316622830,2sleep1121rcu_preempt10:55:111
2999922820,7sleep1121rcu_preempt11:30:251
498122800,2sleep10-21swapper/107:50:381
437922800,1sleep21459-21kworker/u8:409:24:502
979022790,1sleep13788-21kworker/u8:009:35:261
979022790,1sleep13788-21kworker/u8:009:35:251
763722790,1sleep16113-21kworker/u8:809:30:321
763722790,1sleep16113-21kworker/u8:809:30:311
2280822790,2sleep222777-21ssh11:15:202
2499322780,1sleep121452-21kworker/u8:011:20:221
235922780,2sleep10-21swapper/109:20:021
2206622770,2sleep10-21swapper/108:45:181
1708022770,1sleep114362-21kworker/u8:811:02:121
3222922750,1sleep229655-21kworker/u8:2009:15:002
1324622740,1sleep13791-21kworker/u8:309:43:551
1324622740,1sleep13791-21kworker/u8:309:43:551
803922730,1sleep15397-21kworker/u8:110:43:331
3263122730,2sleep10-21swapper/111:35:321
3007222730,5sleep2241rcuc/207:30:202
608122720,3sleep131068-21kworker/u8:611:49:591
608122720,3sleep131068-21kworker/u8:611:49:591
1831122720,2sleep118303-21ssh12:15:321
1958722710,2sleep20-21swapper/212:19:512
2817522690,2sleep228169-21ntpq11:25:482
2618722690,1sleep223444-21kworker/u8:1412:33:422
2170422690,2sleep20-21swapper/210:00:442
119322690,1sleep229327-21kworker/u8:1507:40:262
695322680,2sleep26951-21cron08:00:002
695322680,2sleep26951-21cron08:00:002
3146822680,2sleep20-21swapper/210:24:042
2499522670,3sleep224957-21apt-get11:20:232
2352222670,1sleep121455-21kworker/u8:411:15:421
1880122670,2sleep20-21swapper/208:35:182
1752622670,1sleep225-21ksoftirqd/208:30:272
1156822670,1sleep210003-21kworker/u8:710:50:302
462522660,1sleep23423-21kworker/u8:2807:50:312
2240722660,2sleep20-21swapper/208:45:272
1947122660,1sleep23791-21kworker/u8:309:56:052
1273622660,1sleep26112-21kworker/u8:709:41:222
1273622660,1sleep26112-21kworker/u8:709:41:212
117722660,2sleep11175-21ntpq07:40:251
2795622650,1sleep117392-21kworker/u8:907:25:011
2354522650,3sleep123539-21ssh10:05:301
2257922650,1sleep122491-21kworker/u8:1307:08:031
2255022650,2sleep30-21swapper/307:07:413
1351322650,6sleep225-21ksoftirqd/212:05:242
1198022650,1sleep23073-21kworker/u8:412:00:462
980422640,2sleep20-21swapper/209:35:272
980422640,2sleep20-21swapper/209:35:262
599022640,4sleep2241rcuc/210:39:442
485722640,2sleep24854-21telnet09:25:182
2162822640,1sleep221356-21kworker/u8:312:23:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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