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2026-04-20 - 10:47
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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 Mon Apr 20, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2713423570,1sleep221432-21kworker/u8:2322:50:142
2087623410,2sleep10-21swapper/123:45:441
1871223270,1sleep23650-21kworker/u8:521:20:212
1783823240,9sleep225-21ksoftirqd/222:30:172
2360623180,1sleep122122-21kworker/u8:221:30:331
1216123130,2sleep10-21swapper/119:25:281
1216123130,2sleep10-21swapper/119:25:281
609823120,2sleep10-21swapper/119:06:061
2980023110,2sleep20-21swapper/220:20:102
1901123060,2sleep119005-21ssh21:20:271
1601723040,2sleep20-21swapper/219:37:512
1051923020,2sleep20-21swapper/219:20:262
3050723010,2sleep20-21swapper/200:08:082
2621422930,13sleep123395-21kworker/u8:6223:59:271
664622910,2sleep112513-1kworker/u9:323:15:281
2847322910,2sleep10-21swapper/100:04:171
2847322910,2sleep10-21swapper/100:04:171
2132622900,7sleep215279-1kworker/u9:321:25:322
2132622900,7sleep215279-1kworker/u9:321:25:312
3247922890,3sleep26498-21cyclictest00:11:502
3139822870,2sleep131371-21munin-run22:59:591
1905822850,2sleep10-21swapper/123:42:471
530422840,1sleep224803-21kworker/u8:119:05:192
3195422790,6sleep119-21ksoftirqd/121:50:151
2691622790,2sleep226781-21ssh22:50:022
209922780,6sleep10-21swapper/123:05:271
2389622770,1sleep212512-21kworker/u8:1222:42:462
2063922770,2sleep10-21swapper/119:50:421
2063922770,2sleep10-21swapper/119:50:421
544322760,6sleep2121rcu_preempt22:02:142
544322760,6sleep2121rcu_preempt22:02:132
2462722760,1sleep112512-21kworker/u8:1222:45:101
2047322760,2sleep20-21swapper/222:35:232
1333822750,3sleep113336-21ssh23:30:291
1870022740,1sleep117593-21kworker/u8:119:45:301
1819322740,1sleep23650-21kworker/u8:521:20:002
346922730,2sleep20-21swapper/223:09:542
434422720,15sleep112513-1kworker/u9:323:10:261
2590522720,1sleep224177-21kworker/u8:521:35:372
1070522710,4sleep26498-21cyclictest22:14:442
603222700,2sleep26031-21ssh23:15:132
1252022700,1sleep23650-21kworker/u8:521:05:212
2362722690,2sleep223624-21ntp_states21:30:332
2672222680,2sleep20-21swapper/220:10:202
1084022680,1sleep20-21swapper/200:35:352
694922670,1sleep15435-21kworker/u8:1022:05:301
1692122670,2sleep20-21swapper/222:27:032
1692122670,2sleep20-21swapper/222:27:022
1387022670,2sleep20-21swapper/219:30:352
891622660,2sleep20-21swapper/223:20:282
891622660,2sleep20-21swapper/223:20:282
3243022660,2sleep20-21swapper/221:50:242
2820422660,2sleep228203-21ntpq21:40:392
2820422660,2sleep228203-21ntpq21:40:382
696322650,3sleep16962-21hddtemp_smartct19:10:201
696322650,3sleep16962-21hddtemp_smartct19:10:201
2774322650,1sleep121435-21kworker/u8:2622:50:361
2295122650,8sleep16498-21cyclictest22:40:291
2131922650,1sleep115282-21kworker/u8:921:25:311
2131922650,1sleep115282-21kworker/u8:921:25:301
702122640,2sleep20-21swapper/219:10:212
702122640,2sleep20-21swapper/219:10:212
416822640,5sleep119-21ksoftirqd/120:40:151
3063622640,1sleep117521-21kworker/u8:021:45:411
2756422640,3sleep127511-21ssh21:40:171
2756422640,3sleep127511-21ssh21:40:171
2265722640,1sleep118795-21kworker/u8:1123:50:251
1555122640,3sleep215547-21ssh23:35:202
58022630,2sleep10-21swapper/100:14:311
462422630,1sleep13121-21kworker/u8:022:00:281
462422630,1sleep13121-21kworker/u8:022:00:271
3165522630,1sleep224177-21kworker/u8:521:49:592
2190422630,1sleep121435-21kworker/u8:2622:39:161
1828722630,1sleep211929-21kworker/u8:123:40:392
1296022630,2sleep212932-21ssh23:30:032
1501022620,2sleep10-21swapper/122:23:411
1455022620,2sleep10-21swapper/121:10:301
1279222620,2sleep20-21swapper/219:27:582
1279222620,2sleep20-21swapper/219:27:572
2999022610,2sleep229982-21ssh22:55:312
3056622600,2sleep10-21swapper/100:08:281
175322600,2sleep20-21swapper/221:55:092
1660822600,2sleep10-21swapper/123:36:561
1124422600,1sleep1657-21kworker/u8:223:25:331
1076322600,1sleep15432-21kworker/u8:622:15:001
900022590,2sleep10-21swapper/120:55:151
897722590,2sleep20-21swapper/219:15:362
842222590,2sleep10-21swapper/120:51:001
842222590,2sleep10-21swapper/120:51:001
3048122590,2sleep10-21swapper/120:20:361
896622580,1sleep14764-21kworker/u8:300:30:471
3190622580,5sleep227135-1kworker/u9:023:00:202
2274322580,2sleep20-21swapper/223:50:322
170722580,2sleep221168-21kworker/2:000:15:322
1456622580,1sleep23650-21kworker/u8:521:10:322
956622570,2sleep10-21swapper/123:21:391
956622570,2sleep10-21swapper/123:21:391
320422570,3sleep13203-21sed00:20:011
1676122570,2sleep116752-21ssh21:15:291
1375422570,2sleep10-21swapper/119:30:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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