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2026-04-09 - 16:24
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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 Thu Apr 09, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
888324100,1sleep15590-21kworker/u8:110:45:141
184323390,2sleep11832-21apt-get11:40:181
1862723380,2sleep20-21swapper/209:55:212
2362523150,1sleep225-21ksoftirqd/210:05:232
1506123130,1sleep110089-21kworker/u8:912:09:331
1506123130,1sleep110089-21kworker/u8:912:09:321
108023120,2sleep10-21swapper/110:26:501
2602823100,2sleep10-21swapper/111:20:421
2869523090,10sleep1121rcu_preempt09:05:141
198823050,5sleep225-21ksoftirqd/207:42:362
1831723040,16sleep20-21swapper/208:33:272
822623000,1sleep16135-21kworker/u8:1109:31:081
2826522970,2sleep228264-21ssh10:15:282
956922960,4sleep119-21ksoftirqd/108:05:311
2115922950,7sleep2121rcu_preempt12:21:072
628422940,2sleep20-21swapper/207:55:362
536422940,3sleep25355-21ssh09:25:262
2328422930,1sleep121349-21kworker/u8:212:25:411
1862422930,1sleep110700-21kworker/u8:309:55:201
3003622920,3sleep230030-21ssh11:30:252
1060922920,2sleep110607-21modprobe12:00:001
1321422910,1sleep211726-21kworker/u8:108:15:422
520522900,2sleep20-21swapper/210:35:392
1697422900,1sleep10-21swapper/111:01:481
1607022890,1sleep26823-21kworker/u8:308:25:312
2193822870,2sleep10-21swapper/111:14:021
2265422860,1sleep112481-21kworker/u8:411:15:141
1558322850,1sleep111730-21kworker/u8:1408:25:181
1150022850,2sleep10-21swapper/112:00:251
471022810,2sleep14704-21ssh11:45:281
3239522810,7sleep126231-21kworker/u8:011:35:331
3239522810,7sleep126231-21kworker/u8:011:35:331
2551422790,7sleep221351-1kworker/u9:012:30:412
1390922780,1sleep25279-21kworker/u8:112:05:362
1390922780,1sleep25279-21kworker/u8:112:05:362
2446422770,1sleep123626-21kworker/u8:412:30:161
2730122760,1sleep221350-21kworker/u8:312:35:272
1152122760,1sleep25279-21kworker/u8:112:00:252
2212722750,1sleep217058-21kworker/u8:111:14:542
3156822740,2sleep10-21swapper/107:35:151
2995222740,2sleep10-21swapper/110:20:101
2873222740,1sleep127597-21kworker/u8:207:25:301
2832522740,3sleep228230-21kworker/u8:009:03:392
2134722740,1sleep220813-21kworker/u8:607:05:162
2134722740,1sleep220813-21kworker/u8:607:05:162
2377922720,1sleep118830-21kworker/u8:107:10:381
2372822720,5sleep120082-1kworker/u9:110:05:261
1935522710,2sleep10-21swapper/111:07:311
1827222710,3sleep218271-21ssh12:15:252
1453322710,2sleep20-21swapper/208:20:362
3257022700,2sleep232545-21ssh10:25:212
2383222700,1sleep218830-21kworker/u8:107:10:442
664022690,2sleep16628-21ssh11:50:201
2781722690,1sleep223918-21kworker/u8:611:25:292
2604022690,1sleep124475-21kworker/u8:110:10:291
943622680,1sleep2597-21kworker/u8:311:55:392
2912322680,3sleep129053-1kworker/u9:310:17:331
2666222680,2sleep20-21swapper/211:23:502
76622670,2sleep10-21swapper/107:40:191
3232122670,2sleep10-21swapper/109:15:001
314522670,2sleep20-21swapper/211:41:472
808622660,2sleep10-21swapper/110:42:411
3018022660,2sleep10-21swapper/111:30:351
1440822660,3sleep214395-21ssh09:45:242
2731422650,2sleep10-21swapper/111:25:161
2355022650,3sleep20-21swapper/208:50:002
1958722650,2sleep20-21swapper/208:35:402
922322640,2sleep29222-21diskstats08:05:212
2968522640,1sleep225942-21kworker/u8:7007:30:022
2333922640,1sleep217058-21kworker/u8:111:15:462
1894222640,2sleep1181rcuc/108:35:201
1701022640,2sleep10-21swapper/112:13:031
2605622630,2sleep10-21swapper/108:55:341
1520022630,2sleep10-21swapper/108:24:561
1183722630,2sleep111833-21ssh10:50:341
3159522620,1sleep230863-21kworker/u8:1907:35:302
414422610,1sleep131365-21kworker/u8:010:35:011
2364822610,2sleep20-21swapper/212:27:222
497122600,2sleep10-21swapper/110:35:301
409122600,2sleep20-21swapper/211:45:142
2622322600,1sleep225940-21kworker/u8:6807:20:012
2188522590,2sleep10-21swapper/107:05:321
2188522590,2sleep10-21swapper/107:05:311
1339822590,1sleep210697-21kworker/u8:009:44:102
79322580,1sleep121692-21kworker/u8:809:15:271
405422580,2sleep20-21swapper/207:50:132
405422580,2sleep20-21swapper/207:50:122
3064822580,2sleep229052-1kworker/u9:210:20:322
1364022570,1sleep212484-21kworker/u8:710:55:172
1220622570,1sleep110700-21kworker/u8:309:40:281
1179022570,1sleep25590-21kworker/u8:110:50:302
2600222560,3sleep20-21swapper/208:55:312
2126122560,1sleep128499-21kworker/u8:1412:21:391
1773022560,1sleep16823-21kworker/u8:308:30:311
1719622560,2sleep10-21swapper/109:50:451
3000522550,1sleep229770-21kworker/u8:209:09:262
2850222550,2sleep10-21swapper/112:39:031
2191722550,2sleep30-21swapper/307:05:343
2191722550,2sleep30-21swapper/307:05:333
1567822540,1sleep212483-21kworker/u8:611:00:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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