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2026-01-07 - 22:28
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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 Wed Jan 07, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2628624150,4sleep2251ksoftirqd/211:35:152
2355823480,14sleep122394-21kworker/u8:511:30:181
1804323370,1sleep114474-21kworker/u8:511:20:131
844023320,6sleep2121rcu_preempt11:00:352
2154723250,2sleep20-21swapper/207:55:282
1165323240,2sleep10-21swapper/110:03:481
809223190,1sleep17288-21kworker/u8:1907:20:201
1804723190,1sleep214474-21kworker/u8:511:20:152
1716523180,1sleep115965-21kworker/u8:212:20:201
2148123120,2sleep20-21swapper/212:29:292
3195623110,2sleep10-21swapper/109:40:201
2982423090,2sleep129820-21ntpq11:40:241
2982423090,2sleep129820-21ntpq11:40:241
793123060,1sleep11245-21kworker/u8:1109:55:291
793123060,1sleep11245-21kworker/u8:1109:55:291
651223060,2sleep10-21swapper/108:42:221
1549123060,3sleep115484-21apt-get11:15:141
383123050,2sleep30-21swapper/307:10:013
328223040,1sleep229598-21kworker/u8:2108:35:152
2356623000,2sleep223528-21apt-get11:30:202
970422970,1sleep29220-21kworker/u8:1607:25:162
2301322970,3sleep18690-21kworker/u8:210:25:281
253222960,2sleep22526-21ssh11:50:302
1272522930,1sleep110842-21kworker/u8:712:10:351
2831122900,10sleep225-21ksoftirqd/209:32:212
1127322900,2sleep10-21swapper/111:05:491
499022890,1sleep1986-21kworker/u8:209:50:221
279522890,1sleep21245-21kworker/u8:1109:45:252
2345622890,2sleep10-21swapper/108:00:301
2245122890,2sleep20-21swapper/209:20:272
1549322850,3sleep225-21ksoftirqd/211:15:152
2537922800,2sleep224028-21kworker/u8:408:05:322
1579222800,2sleep20-21swapper/212:16:272
1338322790,2sleep20-21swapper/207:35:172
542522780,2sleep212150-21kworker/2:108:40:222
236422770,2sleep12358-21ssh09:45:191
1235822760,2sleep20-21swapper/207:30:302
1191322760,1sleep210843-21kworker/u8:812:10:162
2908522750,2sleep10-21swapper/108:15:361
795122730,1sleep26138-21kworker/u8:509:55:292
795122730,1sleep26138-21kworker/u8:509:55:292
2637022730,4sleep225890-21kworker/u8:308:10:142
101222730,3sleep21011-21ssh09:41:392
83722720,2sleep10-21swapper/111:47:401
2826022720,2sleep10-21swapper/109:32:071
1169422710,1sleep210111-21kworker/u8:108:55:372
891222700,1sleep11549-21kworker/u8:411:01:021
490422700,1sleep23538-21kworker/u8:1707:10:322
1011722700,3sleep110109-21ssh12:05:281
3124022690,2sleep124022-1kworker/u9:109:39:191
1998722690,2sleep119984-21ssh09:15:361
1998722690,2sleep119984-21ssh09:15:351
2320922680,1sleep120841-21kworker/u8:512:30:491
2141122680,2sleep121404-21ssh11:25:291
367322670,2sleep20-21swapper/207:08:392
3234422670,1sleep227895-21kworker/u8:911:45:282
3092722670,1sleep229597-21kworker/u8:2008:20:282
1978822670,2sleep20-21swapper/207:50:332
833522660,3sleep129602-21kworker/u8:2508:47:171
2861422660,1sleep18690-21kworker/u8:210:35:481
3275422650,2sleep232681-21sh10:45:232
3275422650,2sleep232681-21sh10:45:232
2347422650,3sleep223472-21ntpq08:00:302
744122640,2sleep132613-1kworker/u9:211:00:011
435022640,1sleep14095-21kworker/u8:710:53:211
2724422640,1sleep124028-21kworker/u8:408:10:351
1817722640,1sleep113819-21kworker/u8:610:15:391
1361522640,1sleep211730-21kworker/u8:911:10:312
1303922640,1sleep111966-21kworker/u8:509:00:291
1432922630,2sleep214330-21sshd10:09:322
703322620,1sleep2558-21kworker/u8:112:00:192
486822620,2sleep20-21swapper/209:50:182
334522620,1sleep21548-21kworker/u8:210:50:342
2983622620,2sleep214475-1kworker/u9:211:40:252
2983622620,2sleep214475-1kworker/u9:211:40:252
2536822620,2sleep116570-1kworker/u9:108:05:311
1855322620,2sleep20-21swapper/209:13:512
1855322620,2sleep20-21swapper/209:13:512
1786722620,3sleep217870-21sed07:45:272
1365822620,1sleep211966-21kworker/u8:509:00:412
1338222620,1sleep19216-21kworker/u8:1207:35:161
1055022620,3sleep210548-21ntpq10:00:322
678222610,1sleep25422-21kworker/u8:607:15:352
514922610,1sleep2558-21kworker/u8:111:55:372
3090922610,2sleep10-21swapper/108:20:281
2820622610,2sleep20-21swapper/208:15:172
2085122610,2sleep10-21swapper/112:26:271
785922600,6sleep225-21ksoftirqd/208:45:322
491722600,3sleep10-21swapper/108:40:011
2561922600,1sleep116360-21kworker/u8:510:30:311
2496422600,1sleep123588-21kworker/u8:1212:35:231
232922600,2sleep10-21swapper/108:30:361
1621122600,2sleep112212-1kworker/u9:210:11:361
660622590,2sleep20-21swapper/210:57:052
223222590,1sleep229603-21kworker/u8:2608:30:302
2071422590,1sleep116359-21kworker/u8:410:20:371
1818322590,2sleep20-21swapper/210:15:402
1628722590,2sleep20-21swapper/210:11:572
1623022590,2sleep10-21swapper/112:18:231
1023822590,3sleep18336-21kworker/u8:008:53:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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