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2026-07-04 - 20:23
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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 Sat Jul 04, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294123930,2sleep12940-21ssh11:25:151
665923790,9sleep2241rcuc/207:35:162
665923790,9sleep2241rcuc/207:35:162
1041923590,1sleep29032-21kworker/u8:611:40:282
42723480,1sleep231823-21kworker/u8:707:15:322
3042323340,3sleep230413-21munin-run07:10:002
992723280,2sleep2121rcu_preempt07:45:142
1583923280,2sleep215751-21ssh10:40:412
2930023250,1sleep120850-21kworker/u8:710:00:311
189323200,1sleep21683-21kworker/u8:2312:32:572
189323200,1sleep21683-21kworker/u8:2312:32:562
2761923190,2sleep10-21swapper/111:07:141
1542623190,1sleep214365-21kworker/u8:3708:00:302
83623130,2sleep1827-21ssh12:30:271
83623130,2sleep1827-21ssh12:30:261
900323120,1sleep17789-21kworker/u8:1207:40:391
250823050,1sleep11749-21kworker/u8:1209:00:131
250823050,1sleep11749-21kworker/u8:1209:00:121
1975523050,1sleep19543-21kworker/u8:209:40:221
1975523050,1sleep19543-21kworker/u8:209:40:211
1040223050,2sleep110399-21ssh11:40:271
2897523030,2sleep228968-21ssh12:20:512
1874423030,2sleep10-21swapper/108:10:331
1712223020,2sleep10-21swapper/108:05:361
2655222960,8sleep2121rcu_preempt09:55:182
3119422950,1sleep129520-21kworker/u8:312:25:401
1729322930,1sleep115738-21kworker/u8:511:55:351
219522910,1sleep130046-21kworker/u8:910:11:281
211622900,6sleep1121rcu_preempt11:22:261
2023222900,3sleep29397-21kworker/u8:410:50:392
1955322900,1sleep118011-21kworker/u8:212:00:291
2221022860,2sleep10-21swapper/110:55:281
1264422850,1sleep19544-21kworker/u8:309:25:141
3140922840,1sleep229895-21kworker/u8:111:15:312
90822830,1sleep232279-21kworker/u8:8808:55:302
808822820,2sleep18075-21apt-get09:15:121
159322820,6sleep230478-21cyclictest10:10:332
2544922810,1sleep122475-21kworker/u8:408:30:411
2120922810,2sleep221207-21ssh12:05:162
2462322790,5sleep225-21ksoftirqd/209:50:282
1370822790,1sleep212707-21kworker/u8:1007:55:272
1370822790,1sleep212707-21kworker/u8:1007:55:272
2636922770,1sleep124959-21kworker/u8:1212:15:341
2848922760,2sleep228483-21apt-get11:10:122
1561522760,2sleep10-21swapper/109:30:331
1279322760,1sleep232185-21kworker/u8:1211:45:352
601222750,7sleep130478-21cyclictest10:20:181
418622750,1sleep132589-21kworker/u8:1510:15:441
3072122750,2sleep130584-21ssh11:15:021
1999322750,7sleep130478-21cyclictest10:50:291
1832722750,2sleep215933-21kworker/u8:4108:10:182
1201622750,1sleep19437-21kworker/u8:207:50:241
369722740,2sleep20-21swapper/207:25:242
1717522740,1sleep26498-21kworker/u8:111:55:282
2580222730,3sleep225728-21kworker/u8:1008:33:222
320322720,4sleep2241rcuc/211:25:202
3175122720,1sleep128930-21kworker/u8:2808:50:341
2454822720,3sleep124547-21users12:10:421
2336822720,1sleep220850-21kworker/u8:709:48:192
1549422720,1sleep29545-21kworker/u8:409:30:252
3197822710,1sleep129895-21kworker/u8:111:16:191
222222710,2sleep10-21swapper/107:20:371
1976022710,1sleep29543-21kworker/u8:209:40:232
1976022710,1sleep29543-21kworker/u8:209:40:222
1748422710,1sleep29543-21kworker/u8:209:35:192
1511422710,2sleep115090-21ssh11:50:361
860322700,1sleep230046-21kworker/u8:910:25:302
2635522700,2sleep226354-21ssh11:05:182
2026722700,2sleep20-21swapper/208:15:292
1492422700,1sleep213438-21kworker/u8:011:50:252
1388922700,1sleep19397-21kworker/u8:410:36:551
1094122700,2sleep110940-21ssh10:30:311
2372222690,1sleep122476-21kworker/u8:508:25:371
1237422690,1sleep111136-21kworker/u8:1111:45:211
74922680,2sleep2639-21ssh11:20:182
521722680,1sleep232183-21kworker/u8:1011:30:152
1970622680,1sleep218011-21kworker/u8:212:00:382
585622670,2sleep10-21swapper/111:30:301
1412322670,2sleep20-21swapper/210:38:002
1049222670,2sleep10-21swapper/107:45:291
665822660,2sleep16656-21apt-get07:35:141
665822660,2sleep16656-21apt-get07:35:131
3187222660,2sleep20-21swapper/210:05:502
3187222660,2sleep20-21swapper/210:05:492
3033022660,2sleep10-21swapper/107:09:271
3006722660,2sleep30-21swapper/307:06:043
2629622660,2sleep10-21swapper/109:55:141
252722660,2sleep20-21swapper/209:00:222
252722660,2sleep20-21swapper/209:00:222
809122650,1sleep16498-21kworker/u8:111:35:281
3067022650,1sleep230384-21kworker/u8:107:10:162
2410322650,5sleep225-21ksoftirqd/212:10:322
726822640,2sleep20-21swapper/209:12:322
2157822640,1sleep213983-21kworker/u8:010:55:052
208022640,2sleep20-21swapper/207:20:262
1878922640,2sleep20-21swapper/210:48:332
874422630,1sleep232183-21kworker/u8:1011:36:262
387022630,1sleep12644-21kworker/u8:707:25:351
318022630,2sleep13169-21ssh12:35:241
318022630,2sleep13169-21ssh12:35:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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