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2026-08-11 - 05:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Tue Aug 11, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2346008996560,3cyclictest0-21swapper/119:30:011
2346008996461,2cyclictest0-21swapper/123:20:231
2346008996444,18cyclictest2512310-21kworker/1:023:45:161
2346008996360,2cyclictest0-21swapper/100:14:551
2346008996235,26cyclictest2350909-21kworker/1:119:35:121
234600899610,60cyclictest0-21swapper/119:50:321
2346008995942,16cyclictest2477428-21kworker/1:222:55:141
2346008995941,17cyclictest2506658-21kworker/1:123:25:211
2346008995941,16cyclictest2361954-21kworker/1:220:05:141
2346008995855,2cyclictest0-21swapper/120:28:161
2346008995843,14cyclictest2488396-21kworker/1:023:07:231
2346008995843,14cyclictest2447846-21kworker/1:322:30:211
2346008995843,14cyclictest2420352-21kworker/1:321:55:131
2346008995843,14cyclictest2408852-21kworker/1:221:49:531
2346008995843,14cyclictest2393848-21kworker/1:321:20:171
2346008995842,15cyclictest3616534-1kworker/1:1H19:34:171
2346008995842,15cyclictest2483462-21kworker/1:323:04:551
2346008995842,15cyclictest2463026-21kworker/1:122:42:521
2346008995841,16cyclictest2531966-21kworker/1:123:55:121
2346008995841,16cyclictest2463026-21kworker/1:122:45:211
2346008995840,17cyclictest2429962-21kworker/1:122:10:131
2346008995743,14cyclictest2352945-21kworker/1:019:41:501
2346008995742,14cyclictest3616534-1kworker/1:1H20:50:141
2346008995742,14cyclictest2568268-21kworker/1:000:34:041
2346008995742,14cyclictest2493054-21kworker/1:123:15:161
2346008995742,14cyclictest2345773-21kworker/1:219:15:051
2346008995741,15cyclictest3616534-1kworker/1:1H23:33:561
2346008995741,15cyclictest3616534-1kworker/1:1H21:27:161
2346008995741,15cyclictest2512310-21kworker/1:023:40:141
2346008995741,15cyclictest2393848-21kworker/1:321:30:171
2346008995740,16cyclictest2420352-21kworker/1:321:50:251
2346008995739,17cyclictest2447846-21kworker/1:322:25:141
2346008995738,18cyclictest2425008-21kworker/1:022:00:141
2346008995650,4cyclictest2374597-21readlink20:40:011
2346008995642,14cyclictest2440622-21kworker/1:022:15:161
2346008995641,14cyclictest2558836-21kworker/1:100:25:311
2346008995641,14cyclictest2512310-21kworker/1:023:50:141
2346008995641,14cyclictest2361954-21kworker/1:220:13:531
2346008995639,16cyclictest3616534-1kworker/1:1H20:00:161
2346008995639,16cyclictest2563510-21kworker/1:200:35:151
2346008995639,16cyclictest2563510-21kworker/1:200:35:151
2346008995639,16cyclictest2506658-21kworker/1:123:35:011
2346008995639,16cyclictest2357329-21kworker/1:119:45:161
2346008995636,19cyclictest3616534-1kworker/1:1H21:10:171
2346008995636,19cyclictest2447846-21kworker/1:322:20:161
2346008995636,18cyclictest3616534-1kworker/1:1H21:10:001
234600899560,55cyclictest0-21swapper/119:14:561
2346012995550,3cyclictest2504115-21kworker/3:023:25:463
2346008995540,14cyclictest3616534-1kworker/1:1H22:50:061
2346008995540,14cyclictest3616534-1kworker/1:1H22:05:141
2346008995540,14cyclictest3616534-1kworker/1:1H19:58:221
2346008995540,14cyclictest2377910-21kworker/1:020:55:121
2346008995540,14cyclictest2376114-21kworker/1:120:42:051
2346008995539,15cyclictest2543863-21kworker/1:300:05:291
2346008995539,15cyclictest2361954-21kworker/1:220:30:551
2346008995537,17cyclictest2380233-21kworker/1:121:00:141
2346007995549,3cyclictest4176325-1kworker/0:0H20:25:000
2346011995449,3cyclictest2129100-1kworker/2:0H19:16:542
2346008995439,15cyclictest2361954-21kworker/1:220:20:511
2346008995439,14cyclictest2361954-21kworker/1:220:15:011
2346008995438,15cyclictest2553987-21kworker/1:000:20:061
2346008995438,15cyclictest2408852-21kworker/1:221:40:151
2346008995438,15cyclictest2408852-21kworker/1:221:40:141
2346008995436,17cyclictest2549339-21kworker/1:100:15:161
2346012995348,3cyclictest2360461-21kworker/3:120:09:553
2346008995338,14cyclictest2483462-21kworker/1:323:14:581
2346008995338,14cyclictest2483462-21kworker/1:323:14:581
2346008995338,14cyclictest2458212-21kworker/1:022:35:061
2346008995337,15cyclictest3616534-1kworker/1:1H00:02:371
2346012995247,3cyclictest493060-1kworker/3:0H22:02:213
2346012995246,3cyclictest493060-1kworker/3:0H00:32:353
2346008995237,14cyclictest3616534-1kworker/1:1H21:35:061
2346008995237,14cyclictest3616534-1kworker/1:1H21:35:061
2346008995237,14cyclictest2387123-21kworker/1:021:15:171
2346008995237,14cyclictest2376184-21kworker/1:320:45:151
2346007995249,2cyclictest2352448-21kworker/0:119:57:050
2346007995247,3cyclictest4176325-1kworker/0:0H23:20:000
2346012995146,3cyclictest2369993-21kworker/3:121:00:113
2346012995145,3cyclictest493060-1kworker/3:0H19:25:133
2346007995146,3cyclictest2454044-21kworker/0:222:30:280
2346012995045,3cyclictest2396494-21kworker/3:021:39:553
2346012995045,3cyclictest2396494-21kworker/3:021:39:553
2346012995045,3cyclictest2369993-21kworker/3:120:49:563
2346012995044,4cyclictest493060-1kworker/3:0H19:58:513
2346011995045,3cyclictest2129100-1kworker/2:0H00:30:162
2346008995036,14cyclictest2345773-21kworker/1:219:21:571
2346007995047,2cyclictest2559427-21kworker/0:000:27:410
2346007995047,2cyclictest2432384-21kworker/0:222:19:500
2346007995046,2cyclictest4176325-1kworker/0:0H23:42:290
2346007995046,2cyclictest2345762-21kworker/0:219:17:240
2346007995045,4cyclictest2363765-21kworker/0:020:12:060
2346007995045,3cyclictest2535449-21kworker/0:200:17:060
2346007995045,3cyclictest2432384-21kworker/0:222:05:060
2346007995044,4cyclictest4176325-1kworker/0:0H23:45:150
2346007995043,5cyclictest2485735-21kworker/0:123:05:220
2346012994945,3cyclictest2433951-21kworker/3:222:17:573
2346012994944,3cyclictest493060-1kworker/3:0H00:12:403
2346011994945,2cyclictest2358877-21kworker/2:019:50:132
2346011994945,2cyclictest2129100-1kworker/2:0H21:35:152
2346011994945,2cyclictest2129100-1kworker/2:0H21:35:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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