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2026-06-13 - 00:48
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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 Fri Jun 12, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662423850,2sleep16625-21/usr/sbin/munin12:00:291
2941923840,1sleep226055-21kworker/u8:111:40:162
228823800,2sleep1191ksoftirqd/110:40:181
1883423640,2sleep10-21swapper/108:50:131
607623500,1sleep25333-21kworker/u8:408:10:222
2941823500,3sleep129415-21ssh11:40:131
1403923440,2sleep210572-1kworker/u9:009:55:202
1403623430,3sleep114035-21ssh09:55:191
2212023390,1sleep121552-21kworker/u8:1609:00:151
2212023390,1sleep121552-21kworker/u8:1609:00:151
2308723290,2sleep1191ksoftirqd/107:25:001
2308723290,2sleep1191ksoftirqd/107:25:001
2370623280,1sleep110576-21kworker/u8:1210:15:291
1948623250,2sleep20-21swapper/211:18:062
2240223210,2sleep10-21swapper/110:13:121
431123160,1sleep11023-21kworker/u8:1010:45:121
2330023150,2sleep10-21swapper/107:25:041
2582223100,7sleep2121rcu_preempt11:31:012
2582223100,7sleep2121rcu_preempt11:31:012
2050223090,2sleep220501-21ssh12:30:422
1600123090,1sleep17990-21kworker/u8:311:10:211
628923080,2sleep20-21swapper/210:50:002
3113723060,2sleep20-21swapper/207:49:052
1534023060,1sleep113446-21kworker/u8:108:40:001
1922123050,1sleep217878-21kworker/u8:007:10:372
965823030,1sleep26889-21kworker/u8:508:20:262
1725923030,2sleep20-21swapper/207:05:272
1822123020,1sleep216727-21kworker/u8:508:45:402
2372323010,2sleep20-21swapper/210:15:302
2143123000,1sleep210575-21kworker/u8:1110:10:282
206823000,7sleep1121rcu_preempt11:50:271
1701823000,2sleep10-21swapper/107:05:221
890422990,1sleep27327-21kworker/u8:012:05:292
1793722970,2sleep20-21swapper/210:03:322
1793722970,2sleep20-21swapper/210:03:322
808122960,2sleep20-21swapper/208:15:332
3237222930,2sleep132364-21ssh11:45:371
1567122930,2sleep215660-21ssh12:20:272
369722920,4sleep223372-21kworker/2:009:31:262
1765422920,3sleep217656-21sh11:15:012
443522890,1sleep23706-21kworker/u8:208:05:202
1747122890,2sleep30-21swapper/307:05:413
1121322890,1sleep230816-21kworker/u8:212:10:302
2988622870,1sleep128889-21kworker/u8:010:30:101
542022850,3sleep25416-21ssh09:35:322
1066922850,9sleep1121rcu_preempt09:47:051
221022830,1sleep124825-21kworker/u8:809:30:001
235622820,1sleep22059-21kworker/u8:1008:00:002
235622820,1sleep22059-21kworker/u8:1008:00:002
2228322820,2sleep20-21swapper/207:20:322
2228322820,2sleep20-21swapper/207:20:312
2099622820,1sleep219909-21kworker/u8:808:55:252
2786422810,5sleep119-21ksoftirqd/109:15:121
1120022810,1sleep130816-21kworker/u8:212:10:301
1903322800,2sleep116857-1kworker/u9:210:05:241
1338222800,2sleep113376-21ssh12:15:291
2845122790,1sleep127732-21kworker/u8:807:40:201
2845122790,1sleep127732-21kworker/u8:807:40:201
2607622790,1sleep217620-21kworker/u8:410:20:332
1097022790,3sleep210969-21ssh09:48:352
555222780,3sleep15333-21kworker/u8:408:10:001
2308122780,1sleep11023-21kworker/u8:1011:25:291
2015022780,3sleep120144-21ssh12:30:341
888722770,2sleep18876-21ntpq12:05:271
2818522770,2sleep10-21swapper/111:36:391
2818522770,2sleep10-21swapper/111:36:391
2495622770,1sleep11023-21kworker/u8:1011:30:191
2495622770,1sleep11023-21kworker/u8:1011:30:191
173822760,1sleep223791-21kworker/u8:311:50:212
1565422760,2sleep115639-21ssh12:20:271
686522750,1sleep25673-21kworker/u8:510:50:212
686522750,1sleep25673-21kworker/u8:510:50:202
3186522750,1sleep223791-21kworker/u8:311:45:172
311122750,2sleep223066-1kworker/u9:210:40:432
2889422740,2sleep20-21swapper/207:40:372
2889422740,2sleep20-21swapper/207:40:372
1747322720,1sleep113446-21kworker/u8:108:45:191
1365522720,2sleep113556-21ssh09:55:011
1014222720,2sleep16890-21kworker/u8:708:21:111
88522710,1sleep1349-21kworker/u8:107:55:131
88522710,1sleep1349-21kworker/u8:107:55:121
1091422710,1sleep17988-21kworker/u8:111:00:011
1091422710,1sleep17988-21kworker/u8:111:00:001
315522700,2sleep20-21swapper/208:00:292
2237022700,5sleep225-21ksoftirqd/209:00:202
2237022700,5sleep225-21ksoftirqd/209:00:192
2270522690,1sleep114167-21kworker/u8:1112:35:331
1747422690,1sleep18499-21kworker/u8:310:01:181
1747422690,1sleep18499-21kworker/u8:310:01:181
148722690,1sleep11023-21kworker/u8:1010:38:541
3189722680,2sleep20-21swapper/210:35:002
1635222680,1sleep213446-21kworker/u8:108:40:372
40022670,1sleep228890-21kworker/u8:110:35:362
2593722670,1sleep122834-21kworker/u8:407:30:431
1288922670,2sleep1121rcu_preempt08:30:281
813122660,1sleep16890-21kworker/u8:708:15:351
2710622660,2sleep10-21swapper/107:35:291
1946922660,2sleep10-21swapper/111:18:021
1789722660,1sleep214169-21kworker/u8:1412:25:272
803022650,2sleep10-21swapper/110:52:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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