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2026-06-11 - 22:04
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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 11, 2026 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21941242290,2sleep20-21swapper/210:16:392
2238623660,1sleep221248-21kworker/u8:011:35:192
2238623660,1sleep221248-21kworker/u8:011:35:182
3250323460,1sleep227236-21kworker/u8:109:30:112
2238323410,2sleep10-21swapper/111:35:171
2238323410,2sleep10-21swapper/111:35:161
1920423380,1sleep110655-21kworker/u8:510:10:401
1920423380,1sleep110655-21kworker/u8:510:10:391
2587423320,1sleep124245-21kworker/u8:2510:25:391
865523290,2sleep10-21swapper/112:19:421
865523290,2sleep10-21swapper/112:19:411
238323270,5sleep232531-1kworker/u9:109:35:132
527223220,1sleep11733-21kworker/u8:512:10:361
1176723200,3sleep18259-21kworker/u8:312:25:321
320923150,2sleep20-21swapper/212:05:342
1151123100,4sleep20-21swapper/208:35:182
247323080,2sleep10-21swapper/108:08:041
2134423060,2sleep121343-21ssh10:15:341
1966823040,2sleep20-21swapper/207:20:322
1388723020,1sleep210380-21kworker/u8:412:30:372
2742023000,2sleep20-21swapper/210:30:242
2477922960,4sleep1181rcuc/109:14:031
1071322960,7sleep1181rcuc/109:52:221
757422930,2sleep20-21swapper/209:45:302
1987322900,1sleep215287-21kworker/u8:210:12:332
1987322900,1sleep215287-21kworker/u8:210:12:322
1513722890,1sleep210776-21kworker/u8:708:45:282
3225222880,1sleep131510-21kworker/u8:408:00:191
1493722880,3sleep212926-21kworker/2:310:00:502
528122870,2sleep25280-21ntp_states12:10:372
1587922870,2sleep215872-21ssh12:35:302
680222840,2sleep20-21swapper/208:20:322
346522840,3sleep23463-21ntpq08:10:262
945322800,3sleep29455-21latency_hist11:05:022
938522800,1sleep29142-21kworker/u8:208:30:002
1926922800,2sleep10-21swapper/107:20:191
344922790,2sleep126613-1kworker/u9:308:10:251
2185022790,1sleep114083-21kworker/u8:1109:05:271
2185022790,1sleep114083-21kworker/u8:1109:05:271
1443422770,1sleep26855-21kworker/u8:111:15:312
868422760,6sleep13977-1kworker/u9:008:25:321
824522760,2sleep10-21swapper/109:46:501
1825122750,3sleep117965-21/usr/sbin/munin11:25:191
1672722750,1sleep13886-21kworker/u8:010:05:241
1672722750,1sleep13886-21kworker/u8:010:05:241
1404522750,2sleep10-21swapper/111:15:181
70922740,2sleep10-21swapper/109:30:421
1440722740,2sleep112931-1kworker/u9:210:00:251
615122730,2sleep20-21swapper/210:55:362
2505922730,2sleep224368-21kworker/u8:909:15:012
286922720,3sleep12870-21/usr/sbin/munin12:05:211
2704922720,1sleep110887-21kworker/u8:911:45:221
2007322720,1sleep210887-21kworker/u8:911:30:152
468722710,2sleep14673-21apt-get09:40:141
3200322710,2sleep20-21swapper/208:00:132
2863722710,1sleep121431-21kworker/u8:711:50:131
1449622710,2sleep30-21swapper/307:05:323
3007522700,1sleep224259-21kworker/u8:3910:35:302
1826322700,2sleep218262-21sshd11:25:192
100622700,2sleep20-21swapper/212:00:302
2365322690,3sleep223634-21ssh10:20:372
1523322690,3sleep115222-21munin-run07:10:001
3161722680,1sleep227236-21kworker/u8:109:28:102
3093822680,1sleep128241-21kworker/u8:1507:55:281
1754222680,3sleep117539-21cron08:54:591
1375122680,2sleep113738-21ssh12:30:281
1225722680,1sleep119-21ksoftirqd/111:10:241
638522670,1sleep15614-21kworker/u8:4408:20:101
3071222670,1sleep225708-21kworker/u8:1311:55:132
2194022670,2sleep20-21swapper/209:05:322
2194022670,2sleep20-21swapper/209:05:312
1629122670,1sleep213345-21kworker/u8:307:10:352
1629122670,1sleep213345-21kworker/u8:307:10:342
546622660,2sleep14719-21kworker/u8:410:55:151
2007122660,2sleep10-21swapper/111:30:131
1384822660,2sleep20-21swapper/207:05:152
1156522660,2sleep20-21swapper/209:55:162
2950222650,1sleep124259-21kworker/u8:3910:35:171
2920522650,1sleep124363-21kworker/u8:409:23:281
2920522650,1sleep124363-21kworker/u8:409:23:281
2574222640,1sleep224245-21kworker/u8:2510:25:272
2567222640,1sleep221250-21kworker/u8:211:41:222
2190522640,3sleep225-21ksoftirqd/207:29:132
1098822640,2sleep10-21swapper/111:07:211
75522630,2sleep212931-1kworker/u9:210:43:502
75322630,1sleep130793-21kworker/u8:210:43:491
507322630,1sleep13976-21kworker/u8:2608:15:261
3131822630,2sleep10-21swapper/111:55:271
2922222630,1sleep217205-21kworker/u8:311:50:252
2721122630,3sleep127210-21ssh09:19:541
361722620,1sleep22629-21kworker/u8:310:50:182
361722620,1sleep22629-21kworker/u8:310:50:172
343422620,3sleep13332-21ssh09:35:441
2793422620,1sleep126611-21kworker/u8:1207:45:391
2652222620,1sleep124954-21kworker/u8:207:40:571
1393222620,2sleep23977-1kworker/u9:008:40:422
1281722620,2sleep20-21swapper/211:10:562
2412422610,2sleep10-21swapper/110:21:121
2026022610,5sleep2251ksoftirqd/209:00:372
1703222610,2sleep10-21swapper/112:39:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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