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2025-12-12 - 19:49
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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 Fri Dec 12, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2286254996562,2cyclictest0-21swapper/123:28:241
2286254996535,24cyclictest2384574-21kworker/1:000:20:011
228625499650,63cyclictest0-21swapper/120:53:111
228625499640,63cyclictest0-21swapper/121:16:461
228625499630,62cyclictest0-21swapper/119:48:461
228625499630,1cyclictest0-21swapper/122:40:521
228625499630,1cyclictest0-21swapper/100:24:561
2286254996158,1cyclictest0-21swapper/123:44:541
2286254996143,17cyclictest2344377-21kworker/1:022:05:161
228625499610,60cyclictest0-21swapper/122:25:421
2286254996058,1cyclictest0-21swapper/121:37:341
2286254996058,1cyclictest0-21swapper/121:23:171
2286254996042,17cyclictest2368058-21kworker/1:023:20:181
2286254995956,2cyclictest0-21swapper/119:40:431
2286254995943,15cyclictest2384574-21kworker/1:000:05:171
2286254995943,15cyclictest2313453-21kworker/1:021:00:311
2286254995943,15cyclictest2291535-21kworker/1:219:25:261
2286254995943,15cyclictest153284-1kworker/1:0H20:15:061
2286254995943,15cyclictest153284-1kworker/1:0H19:50:061
2286254995940,17cyclictest153284-1kworker/1:0H20:55:151
2286254995843,14cyclictest2354615-21kworker/1:222:55:321
2286254995843,14cyclictest2293481-21kworker/1:019:35:141
2286254995843,14cyclictest2286720-21kworker/1:119:15:001
2286254995843,14cyclictest2286720-21kworker/1:119:15:001
2286254995843,14cyclictest153284-1kworker/1:0H23:10:171
2286254995843,14cyclictest153284-1kworker/1:0H19:30:161
2286254995841,16cyclictest2344377-21kworker/1:022:15:171
2286254995841,16cyclictest153284-1kworker/1:0H21:50:161
2286254995742,14cyclictest2384574-21kworker/1:000:30:001
2286254995742,14cyclictest2354615-21kworker/1:223:08:371
2286254995742,14cyclictest2344377-21kworker/1:022:20:151
2286254995742,14cyclictest2334619-21kworker/1:121:55:181
2286254995742,14cyclictest2334619-21kworker/1:121:55:181
2286254995742,14cyclictest2325080-21kworker/1:221:10:201
2286254995742,14cyclictest153284-1kworker/1:0H22:00:151
2286254995741,15cyclictest2384574-21kworker/1:000:25:011
2286254995741,15cyclictest2368058-21kworker/1:023:15:151
2286254995740,16cyclictest2334619-21kworker/1:121:45:161
2286254995740,16cyclictest2301578-21kworker/1:219:55:151
2286254995737,19cyclictest2313453-21kworker/1:020:35:181
2286254995737,18cyclictest2301578-21kworker/1:220:20:151
2286254995641,14cyclictest2374551-21kworker/1:123:50:271
2286254995641,14cyclictest2313453-21kworker/1:020:40:141
2286254995641,14cyclictest2301578-21kworker/1:220:25:051
2286254995640,15cyclictest2381906-21kworker/1:200:00:311
2286254995640,15cyclictest2325080-21kworker/1:221:09:151
2286254995640,15cyclictest2301578-21kworker/1:220:00:131
2286254995639,16cyclictest2354615-21kworker/1:222:35:131
2286254995639,16cyclictest2301578-21kworker/1:220:10:151
2286254995639,16cyclictest2286720-21kworker/1:119:15:161
2286254995639,16cyclictest2286720-21kworker/1:119:15:151
2286254995638,16cyclictest2354615-21kworker/1:223:00:181
2286254995637,15cyclictest2374551-21kworker/1:123:45:011
2286275995550,3cyclictest614388-1kworker/3:2H00:16:243
2286275995550,3cyclictest614388-1kworker/3:2H00:01:243
2286275995550,3cyclictest2298590-21kworker/3:020:04:553
2286254995540,14cyclictest2344377-21kworker/1:022:35:011
2286254995540,14cyclictest2344377-21kworker/1:022:10:161
2286254995539,15cyclictest2384574-21kworker/1:000:37:261
2286254995539,15cyclictest2384574-21kworker/1:000:10:191
2286254995539,15cyclictest2354615-21kworker/1:222:50:011
2286254995539,15cyclictest2286720-21kworker/1:119:20:131
2286254995538,15cyclictest2371921-21kworker/1:223:35:001
2286254995537,17cyclictest2325080-21kworker/1:221:30:151
2286254995537,16cyclictest153284-1kworker/1:0H21:40:171
2286275995449,3cyclictest614388-1kworker/3:2H23:03:373
2286259995450,2cyclictest2323259-21kworker/2:223:06:522
2286254995438,15cyclictest2325080-21kworker/1:221:25:161
2286254995438,15cyclictest2313453-21kworker/1:020:45:161
2286254995438,15cyclictest2301578-21kworker/1:220:30:011
2286254995438,15cyclictest2301578-21kworker/1:220:05:151
2286275995348,3cyclictest614388-1kworker/3:2H23:14:213
2286275995348,3cyclictest614388-1kworker/3:2H21:52:383
2286275995348,3cyclictest2306703-21kworker/3:120:45:163
2286275995338,3cyclictest614388-1kworker/3:2H19:27:303
2286275995336,14cyclictest614388-1kworker/3:2H23:15:143
2286259995349,2cyclictest2377867-21kworker/2:000:03:572
2286254995337,15cyclictest2374551-21kworker/1:123:37:161
2286259995248,2cyclictest2323259-21kworker/2:222:47:312
2286254995236,15cyclictest2381906-21kworker/1:223:55:191
2286249995248,2cyclictest89256-1kworker/0:2H21:10:150
2286249995248,2cyclictest2293406-21kworker/0:219:43:460
2286275995147,2cyclictest2329694-21kworker/3:121:19:553
2286275995146,3cyclictest614388-1kworker/3:2H23:26:543
2286275995146,3cyclictest614388-1kworker/3:2H19:51:463
2286275995136,13cyclictest614388-1kworker/3:2H23:30:173
2286259995147,2cyclictest2366492-21kworker/2:123:22:132
2286259995147,2cyclictest2291695-21kworker/2:020:45:052
2286254995134,16cyclictest2354615-21kworker/1:222:45:171
2286249995146,3cyclictest2384827-21kworker/0:100:39:590
2286249995146,3cyclictest2354557-21kworker/0:122:45:120
2286275995032,3cyclictest614388-1kworker/3:2H23:05:173
2286259995047,2cyclictest2291695-21kworker/2:020:41:512
2286259995046,2cyclictest2291695-21kworker/2:020:01:032
2286259995046,2cyclictest2271798-21kworker/2:219:24:452
2286259995045,3cyclictest2366492-21kworker/2:123:48:432
2286259995045,3cyclictest2366492-21kworker/2:123:26:232
2286249995047,2cyclictest2354557-21kworker/0:122:43:470
2286249995046,3cyclictest89256-1kworker/0:2H23:09:210
2286249995046,2cyclictest2311837-21kworker/0:020:36:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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