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2025-12-20 - 02:21
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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 Dec 19, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2372323870,2sleep20-21swapper/210:50:302
1811623640,2sleep1121rcu_preempt08:20:231
1809023510,2sleep20-21swapper/208:20:122
698123320,1sleep125614-21kworker/u8:1812:25:171
3130723220,2sleep20-21swapper/211:05:332
2941323150,1sleep228934-21kworker/u8:008:50:102
1497723120,1sleep211807-21kworker/u8:508:10:312
2646623090,3sleep126465-21ssh09:52:131
939823070,2sleep10-21swapper/110:22:221
678723060,2sleep26782-21ssh11:20:452
1202523060,2sleep111981-21apt-get12:35:221
1202523060,2sleep111981-21apt-get12:35:211
2264723040,1sleep119475-21kworker/u8:408:30:311
458723030,2sleep20-21swapper/207:44:262
3138723020,2sleep20-21swapper/207:28:512
3138723020,2sleep20-21swapper/207:28:502
2685023000,2sleep10-21swapper/108:42:011
249923000,2sleep10-21swapper/107:36:371
944322990,2sleep20-21swapper/211:25:432
1450822980,1sleep17550-21kworker/u8:711:35:361
2344822970,2sleep123447-21ssh11:55:011
2875122940,1sleep226972-21kworker/u8:611:00:312
677222900,2sleep10-21swapper/111:20:441
1304022870,1sleep131555-21kworker/u8:13110:30:191
246022860,2sleep20-21swapper/212:15:292
1201122860,2sleep23964-1kworker/u9:112:35:192
1201122860,2sleep23964-1kworker/u9:112:35:192
1939022850,2sleep20-21swapper/210:41:542
931122820,2sleep29279-21ssh12:30:162
92922810,1sleep231554-21kworker/u8:13010:05:322
445622810,1sleep14252-21kworker/u8:210:12:581
1564422800,2sleep20-21swapper/209:30:312
739122790,2sleep20-21swapper/210:19:542
3256622790,20sleep231251-21kworker/u8:107:30:312
396022780,1sleep214475-21kworker/u8:1211:15:332
3175222780,1sleep125380-21kworker/u8:1312:10:181
851122770,1sleep26194-21kworker/u8:009:15:562
1471122770,1sleep27559-21kworker/u8:1711:35:402
2102222760,2sleep10-21swapper/110:45:261
2102222760,2sleep10-21swapper/110:45:251
1919722760,2sleep10-21swapper/109:38:341
2371122750,1sleep114475-21kworker/u8:1210:50:281
146122750,1sleep131555-21kworker/u8:13110:05:501
2863222740,1sleep126972-21kworker/u8:611:00:261
423422730,2sleep10-21swapper/112:20:141
1128422730,1sleep211285-21kworker/u8:1009:21:502
1702522720,1sleep215155-21kworker/u8:111:40:352
1693922720,3sleep116933-21ssh11:40:301
149722720,1sleep124443-21kworker/u8:111:10:391
599322710,2sleep15987-21ssh10:15:281
2081722710,1sleep119471-21kworker/u8:108:25:341
1891422710,1sleep17550-21kworker/u8:711:45:211
1484022710,3sleep214838-21ssh10:34:102
1125922710,2sleep20-21swapper/208:00:292
2261922700,5sleep215156-1kworker/u9:111:51:202
1816822700,1sleep131555-21kworker/u8:13110:40:241
162222690,2sleep10-21swapper/112:15:121
1303822690,2sleep10-21swapper/111:33:511
1302722690,2sleep10-21swapper/109:25:281
433222670,2sleep10-21swapper/111:15:411
345322670,2sleep23451-21ntpq09:05:342
345322670,2sleep23451-21ntpq09:05:332
3072522670,1sleep118904-21kworker/u8:510:00:291
2828522660,1sleep125614-21kworker/u8:1812:03:061
2828522660,1sleep125614-21kworker/u8:1812:03:061
144922650,1sleep226972-21kworker/u8:611:10:362
2517222640,1sleep120160-21kworker/u8:1207:10:331
2496022640,3sleep224954-21ssh09:50:162
1502922640,3sleep115007-21ssh09:30:171
948122630,1sleep18076-21kworker/u8:807:55:341
811522630,2sleep18109-21ssh09:15:461
2964422630,1sleep228876-21kworker/u8:710:00:012
2396322630,2sleep20-21swapper/211:55:232
2240822630,1sleep218903-21kworker/u8:409:45:182
1059822630,1sleep125379-21kworker/u8:1212:30:521
3135722620,1sleep124443-21kworker/u8:111:05:351
3178322610,2sleep20-21swapper/212:10:182
2248422610,2sleep30-21swapper/307:05:173
2248422610,2sleep30-21swapper/307:05:163
1915822610,2sleep20-21swapper/209:38:222
857922600,2sleep20-21swapper/207:55:032
1112022600,2sleep111119-21ssh09:21:051
857322590,1sleep17549-21kworker/u8:611:25:141
389422590,1sleep10-21swapper/107:40:341
3204822590,3sleep232049-21ld08:55:292
2821722590,1sleep126838-21kworker/u8:408:45:361
2333722590,1sleep220158-21kworker/u8:1007:05:352
2333722590,1sleep220158-21kworker/u8:1007:05:352
1432522590,2sleep225-21ksoftirqd/209:29:182
1205422590,1sleep27554-21kworker/u8:1211:30:422
1125122590,2sleep19936-21kworker/u8:108:00:281
349622580,1sleep132645-21kworker/u8:909:05:371
349622580,1sleep132645-21kworker/u8:909:05:361
3209222580,1sleep126835-21kworker/u8:108:55:311
2259622580,2sleep20-21swapper/208:30:292
1306322580,1sleep111808-21kworker/u8:608:05:271
2707322570,2sleep125674-21kworker/u8:1607:15:341
2701922570,1sleep226973-21kworker/u8:710:57:162
2690322570,1sleep117020-21kworker/u8:210:56:481
2362322570,1sleep223091-21kworker/u8:2508:35:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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