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2026-01-06 - 22:33
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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 Tue Jan 06, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1874423590,1sleep118261-21kworker/u8:008:15:121
1203823240,1sleep27995-21kworker/u8:712:30:262
3078623160,1sleep129518-21kworker/u8:708:45:281
1353923150,16sleep10-21swapper/112:34:561
2604523060,1sleep124301-21kworker/u8:1110:50:321
2350023040,2sleep10-21swapper/110:45:301
1265723040,3sleep112656-21ssh11:29:441
2175023020,3sleep2121rcu_preempt10:42:132
1099622990,1sleep110642-21kworker/u8:207:55:001
3264722940,2sleep13626-1kworker/u9:208:50:311
3264722940,2sleep13626-1kworker/u9:208:50:311
125922930,1sleep232728-21kworker/u8:312:10:162
949922920,2sleep20-21swapper/209:15:172
2270622910,1sleep116224-21kworker/u8:508:25:181
1479222910,1sleep112138-21kworker/u8:411:32:551
696422900,2sleep20-21swapper/211:16:482
480422900,1sleep21945-21kworker/u8:6311:13:292
3080622900,2sleep20-21swapper/208:45:302
1874822900,2sleep23626-1kworker/u9:208:15:142
2271722880,2sleep20-21swapper/208:25:192
1335922880,2sleep20-21swapper/210:25:252
1335922880,2sleep20-21swapper/210:25:252
3179822860,1sleep2241rcuc/211:02:002
3179822860,1sleep2241rcuc/211:01:592
3003622860,4sleep230037-21cpuspeed09:55:262
2600022850,4sleep225999-21awk10:50:292
2031722850,1sleep19594-21kworker/u8:111:45:011
1570722840,1sleep24132-21kworker/u8:610:30:232
399022830,2sleep13964-21ssh12:15:181
791922820,1sleep16336-21kworker/u8:1409:10:401
964122800,1sleep15422-21kworker/u8:212:25:301
2508222800,1sleep123731-21kworker/u8:007:05:321
2352022790,4sleep223491-21ntp_kernel_pll_10:45:312
1070922790,2sleep110702-21ssh09:15:441
2680522780,3sleep126792-21munin-run09:50:001
1256622780,2sleep20-21swapper/211:29:172
71222770,4sleep1710-21ssh10:00:271
657522770,2sleep20-21swapper/212:20:222
2890822770,2sleep223807-1kworker/u9:308:40:272
542422750,1sleep129158-21kworker/u8:011:15:131
902622740,15sleep10-21swapper/110:16:441
163422740,3sleep128476-1kworker/u9:211:05:411
49322730,1sleep131354-21kworker/u8:907:25:381
3247222730,2sleep132443-21ssh11:05:001
3247222730,2sleep132443-21ssh11:05:001
2166422730,7sleep221665-21/usr/sbin/munin11:45:382
1391522730,3sleep20-21swapper/208:00:372
623022720,3sleep129516-21kworker/u8:509:05:471
2743622720,4sleep225-21ksoftirqd/208:35:412
2991622710,1sleep126104-21kworker/u8:809:55:251
2062322710,2sleep10-21swapper/108:20:151
2045222710,2sleep20-21swapper/209:35:392
2579122700,1sleep224624-21kworker/u8:811:55:062
2579122700,1sleep224624-21kworker/u8:811:55:062
1595322700,2sleep20-21swapper/209:26:302
1595322700,2sleep20-21swapper/209:26:302
637922690,1sleep125587-21kworker/u8:1907:40:331
404722690,1sleep231295-21kworker/u8:1109:00:372
2608822690,15sleep223587-21kworker/u8:309:46:522
2883922680,1sleep127580-21kworker/u8:108:40:261
2697522680,2sleep20-21swapper/207:10:362
122922680,2sleep117211-1kworker/u9:012:10:161
338122670,1sleep231404-21kworker/u8:210:05:352
2977222670,1sleep119-21ksoftirqd/112:00:501
2706122670,2sleep10-21swapper/108:35:321
1605422670,5sleep1181rcuc/109:26:581
1605422670,5sleep1181rcuc/109:26:571
971522660,1sleep24132-21kworker/u8:610:19:542
407522660,2sleep14041-21ssh11:10:441
2465322660,1sleep116223-21kworker/u8:408:30:211
2465322660,1sleep116223-21kworker/u8:408:30:211
2286122660,2sleep122856-21ssh09:40:281
1502322660,4sleep114980-21ssh12:35:401
1502322660,4sleep114980-21ssh12:35:391
1352322660,2sleep113517-21ssh10:25:361
1352322660,2sleep113517-21ssh10:25:361
1830722650,2sleep118206-21ssh10:35:251
1047822650,8sleep28708-1kworker/u9:012:27:242
1030622650,2sleep110305-21df10:20:171
915422640,2sleep29125-21ssh09:15:012
400622640,1sleep230177-21kworker/u8:712:15:182
1188222640,2sleep10-21swapper/107:55:251
952522630,1sleep28780-21kworker/u8:007:50:202
949822630,3sleep20-21swapper/211:21:412
3007422630,1sleep229333-21kworker/u8:407:20:232
2902822630,2sleep10-21swapper/109:53:471
2043322630,2sleep220326-21ssh11:45:012
1902122630,1sleep218490-21kworker/u8:609:34:092
246322620,2sleep10-21swapper/110:05:141
223022620,1sleep21945-21kworker/u8:6311:08:062
1747622620,2sleep20-21swapper/208:10:292
1747622620,2sleep20-21swapper/208:10:292
895722610,1sleep17043-21kworker/u8:1411:20:411
2819622610,1sleep125587-21kworker/u8:1907:15:181
1948822610,1sleep219194-21kworker/u8:910:38:272
2930522600,1sleep228644-21kworker/u8:309:55:002
236722600,2sleep10-21swapper/107:30:281
1032322600,1sleep21586-21kworker/u8:410:20:182
823022590,2sleep20-21swapper/207:45:292
639522590,2sleep20-21swapper/207:40:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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