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2026-04-13 - 07:39
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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 13, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
411723630,1sleep23034-21kworker/u8:300:25:112
3170523390,2sleep10-21swapper/120:30:181
3170523390,2sleep10-21swapper/120:30:171
1303623180,2sleep213022-21ssh21:10:312
418923150,2sleep10-21swapper/119:05:331
494523100,1sleep229061-21kworker/u8:023:15:352
642223090,2sleep230840-1kworker/u9:100:30:152
2822723070,1sleep213380-21kworker/u8:622:55:252
414523040,1sleep13033-21kworker/u8:200:25:191
1636623040,2sleep10-21swapper/119:42:391
3235323030,1sleep230839-21kworker/u8:300:15:262
915223020,2sleep10-21swapper/123:25:251
1899123020,2sleep20-21swapper/221:24:312
516722940,2sleep11257-21kworker/u8:423:15:421
2378622910,3sleep123780-21ssh22:45:261
2378622910,3sleep123780-21ssh22:45:261
2835122900,2sleep10-21swapper/122:55:311
699522890,2sleep20-21swapper/222:09:452
1867022890,1sleep28743-21kworker/u8:1322:35:142
1104822880,2sleep211047-21ssh23:29:432
2548322860,2sleep20-21swapper/221:38:182
740922850,2sleep10-21swapper/119:15:301
87122840,2sleep10-21swapper/123:05:441
35822840,2sleep132695-21ssh21:55:011
2544822840,1sleep18743-21kworker/u8:1322:50:181
2063622830,4sleep120631-21ssh22:40:001
186322820,1sleep11836-21kworker/u8:721:56:581
774422810,1sleep14138-21kworker/u8:422:10:251
2829422810,2sleep10-21swapper/100:05:401
834622800,1sleep17917-21kworker/u8:5823:23:461
1541822790,2sleep115417-21ssh21:15:401
1667822760,3sleep116677-21df_inode22:30:191
759722750,2sleep27576-21ssh22:10:182
961422740,1sleep18746-21kworker/u8:1622:15:121
2262222740,2sleep10-21swapper/122:43:381
2698022730,1sleep226260-21kworker/u8:500:05:012
2266022730,1sleep121882-21kworker/u8:6523:55:151
2230422730,1sleep121184-21kworker/u8:1720:00:291
582122710,2sleep20-21swapper/219:10:322
980022700,2sleep20-21swapper/221:00:342
980022700,2sleep20-21swapper/221:00:342
650822700,2sleep20-21swapper/220:50:322
2678722700,1sleep218476-21kworker/u8:521:40:312
774522690,4sleep1121rcu_preempt20:55:181
562722690,1sleep23768-21kworker/u8:1420:50:002
562722690,1sleep23768-21kworker/u8:1420:50:002
3175622690,1sleep126260-21kworker/u8:500:15:131
2678922690,1sleep28743-21kworker/u8:1322:52:072
2150622690,1sleep121184-21kworker/u8:1720:00:001
2075422690,2sleep10-21swapper/121:27:111
1879922690,2sleep20-21swapper/219:50:252
3235422680,7sleep225-21ksoftirqd/220:30:392
3235422680,7sleep225-21ksoftirqd/220:30:392
2101322680,4sleep28735-21kworker/u8:322:40:172
471922660,1sleep14139-21kworker/u8:522:04:421
3064422660,2sleep20-21swapper/221:50:122
266722660,1sleep11003-21kworker/u8:123:10:271
254422660,2sleep22547-21sendmail22:00:012
251322660,2sleep12450-21ssh00:20:401
2450622660,1sleep118476-21kworker/u8:521:35:311
2552022650,2sleep10-21swapper/120:10:261
1974222650,2sleep20-21swapper/223:48:202
154022650,1sleep1340-21kworker/u8:620:35:281
1053522650,2sleep20-21swapper/219:25:162
742622640,2sleep20-21swapper/219:15:302
3019122640,1sleep126260-21kworker/u8:500:10:351
1982322640,1sleep117072-21kworker/u8:1423:48:441
1361922640,2sleep20-21swapper/223:35:132
1314422640,2sleep10-21swapper/121:10:381
472722630,5sleep13760-1kworker/u9:020:45:251
472722630,5sleep13760-1kworker/u9:020:45:241
1748622630,1sleep115003-21kworker/u8:523:43:161
3152322620,2sleep20-21swapper/223:03:012
3152322620,2sleep20-21swapper/223:03:002
2230722620,2sleep20-21swapper/221:30:342
1827922620,2sleep20-21swapper/219:50:002
1138122620,2sleep20-21swapper/223:30:162
3014422610,1sleep125302-21kworker/u8:621:48:591
3014422610,1sleep125302-21kworker/u8:621:48:581
1789322610,1sleep116280-21kworker/u8:219:46:381
1260622610,2sleep211376-21kworker/u8:1019:30:362
2172322600,2sleep10-21swapper/121:30:171
2169022600,1sleep219337-21kworker/u8:1823:51:552
2169022600,1sleep219337-21kworker/u8:1823:51:542
2102522600,3sleep121024-21ssh23:50:331
2102522600,3sleep121024-21ssh23:50:321
1143322600,2sleep111432-21ntpq21:05:351
1135122600,1sleep210311-21kworker/u8:1721:05:282
868622580,2sleep20-21swapper/219:20:052
719522580,2sleep10-21swapper/120:54:211
330822580,2sleep20-21swapper/220:40:362
1609422580,2sleep20-21swapper/221:17:182
155622580,2sleep20-21swapper/220:35:292
1446922580,1sleep113380-21kworker/u8:622:25:201
925322570,1sleep17956-21kworker/u8:519:20:331
2810822570,2sleep128100-21ssh21:45:001
2525322570,2sleep125252-21hddtemp_smartct00:00:211
2391122570,2sleep20-21swapper/220:05:292
829922560,1sleep17866-21kworker/u8:1500:34:311
730822560,1sleep25796-21kworker/u8:1223:20:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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