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2025-12-14 - 14:27
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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 Sun Dec 14, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254655599720,70cyclictest0-21swapper/119:51:091
254655599720,61cyclictest0-21swapper/122:21:491
254655599661,64cyclictest0-21swapper/119:41:081
254655599660,64cyclictest0-21swapper/123:20:001
2546555996536,28cyclictest2594256-21kworker/1:122:00:001
254655599640,62cyclictest0-21swapper/123:53:481
254655599630,61cyclictest0-21swapper/119:19:081
2546564996140,18cyclictest278-1kworker/3:2H23:00:003
2546555996132,28cyclictest2594256-21kworker/1:121:40:141
2546555996132,28cyclictest2588162-21kworker/1:221:30:131
2546555996132,28cyclictest1284072-1kworker/1:2H00:30:181
254655599610,59cyclictest0-21swapper/121:04:091
2546550996156,2cyclictest7-1kworker/0:0H21:20:150
2546555996041,18cyclictest2620510-21kworker/1:123:25:151
2546555995943,15cyclictest2581660-21kworker/1:021:05:151
2546555995943,15cyclictest1284072-1kworker/1:2H23:23:381
2546555995941,16cyclictest2594256-21kworker/1:121:50:141
2546555995940,17cyclictest2558260-21kworker/1:120:00:141
2546555995939,19cyclictest2564439-21kworker/1:020:10:131
2546555995938,20cyclictest2612793-21kworker/1:223:05:001
2546555995938,20cyclictest1284072-1kworker/1:2H00:10:001
2546555995936,22cyclictest2630271-21kworker/1:223:45:141
2546555995931,27cyclictest2564439-21kworker/1:020:15:151
254655599592,2cyclictest0-21swapper/100:00:131
2546555995918,35cyclictest2630271-21kworker/1:223:35:141
2546555995842,15cyclictest2608173-21kworker/1:022:30:391
2546555995840,17cyclictest2588162-21kworker/1:221:20:141
2546555995840,17cyclictest2550863-21kworker/1:319:25:141
2546555995840,16cyclictest2564439-21kworker/1:020:05:151
2546555995837,20cyclictest2641101-21kworker/1:100:10:141
2546555995830,27cyclictest2647264-21kworker/1:000:35:131
2546555995742,14cyclictest2573931-21kworker/1:220:45:171
2546555995741,15cyclictest2612793-21kworker/1:222:53:401
2546555995741,15cyclictest2603530-21kworker/1:122:15:311
2546555995741,15cyclictest2600430-21kworker/1:222:05:091
2546555995741,15cyclictest2573931-21kworker/1:220:35:011
2546555995741,15cyclictest2564439-21kworker/1:020:20:141
2546555995741,15cyclictest1284072-1kworker/1:2H22:13:391
2546555995641,14cyclictest2573931-21kworker/1:220:50:031
2546555995641,14cyclictest2558260-21kworker/1:119:55:141
2546555995627,28cyclictest2612793-21kworker/1:222:45:131
2546555995623,32cyclictest1284072-1kworker/1:2H22:35:161
2546559995550,3cyclictest2564444-21kworker/2:020:05:202
2546555995540,14cyclictest2634904-21kworker/1:323:58:041
2546555995540,14cyclictest2620510-21kworker/1:123:10:151
2546555995540,14cyclictest2600430-21kworker/1:222:02:461
2546555995540,14cyclictest2600430-21kworker/1:222:02:461
2546555995540,14cyclictest2570672-21kworker/1:120:30:061
2546555995540,14cyclictest1284072-1kworker/1:2H20:55:141
2546555995539,15cyclictest2612793-21kworker/1:223:00:001
2546555995539,15cyclictest2588162-21kworker/1:221:45:141
2546555995538,16cyclictest2608173-21kworker/1:022:25:131
2546555995537,17cyclictest2584141-21kworker/1:321:10:131
254655599551,53cyclictest0-21swapper/121:40:001
2546550995551,3cyclictest2628713-21kworker/0:223:26:080
2546564995449,3cyclictest278-1kworker/3:2H21:29:133
2546555995439,14cyclictest2630271-21kworker/1:223:43:111
2546555995439,14cyclictest2588162-21kworker/1:221:25:031
2546555995439,14cyclictest2550863-21kworker/1:319:22:131
2546555995437,16cyclictest2612793-21kworker/1:222:40:171
2546555995437,16cyclictest2584141-21kworker/1:321:15:031
2546555995437,16cyclictest1284072-1kworker/1:2H20:29:591
2546555995435,18cyclictest1284072-1kworker/1:2H19:30:141
2546555995435,17cyclictest1284072-1kworker/1:2H00:20:151
254655599540,52cyclictest0-21swapper/119:35:191
2546550995450,3cyclictest2611251-21kworker/0:022:40:320
2546550995450,2cyclictest2553380-21kworker/0:220:05:060
2546550995449,3cyclictest2600707-21kworker/0:022:23:440
2546564995349,2cyclictest278-1kworker/3:2H22:05:003
2546564995349,2cyclictest278-1kworker/3:2H22:05:003
2546564995349,2cyclictest2611298-21kworker/3:023:55:143
2546564995348,3cyclictest278-1kworker/3:2H20:12:133
2546564995336,3cyclictest278-1kworker/3:2H19:20:133
2546555995338,14cyclictest2573931-21kworker/1:220:40:131
2546555995338,14cyclictest2546363-21kworker/1:119:10:391
2546555995336,16cyclictest2620510-21kworker/1:123:30:151
2546555995336,16cyclictest2620510-21kworker/1:123:30:151
2546555995336,16cyclictest2620510-21kworker/1:123:05:141
2546555995318,32cyclictest0-21swapper/100:15:201
2546550995349,3cyclictest2642624-21kworker/0:000:23:470
2546550995349,2cyclictest2553380-21kworker/0:219:44:130
2546559995247,3cyclictest2606602-21kworker/2:023:04:392
2546555995235,15cyclictest1284072-1kworker/1:2H00:25:141
2546550995249,2cyclictest2636435-21kworker/0:200:13:460
2546550995248,2cyclictest2557300-21kworker/0:019:45:220
2546564995146,3cyclictest2594332-21kworker/3:022:09:553
2546564995145,3cyclictest278-1kworker/3:2H21:45:143
2546564995145,3cyclictest2611298-21kworker/3:023:30:003
2546564995135,4cyclictest278-1kworker/3:2H19:30:003
2546559995145,4cyclictest279-1kworker/2:3H23:25:152
2546555995122,27cyclictest2558260-21kworker/1:119:45:151
2546550995147,2cyclictest2648803-21kworker/0:200:33:090
2546550995147,2cyclictest2600707-21kworker/0:022:17:350
2546550995146,2cyclictest7-1kworker/0:0H22:10:000
2546564995046,3cyclictest278-1kworker/3:2H21:12:393
2546564995045,3cyclictest278-1kworker/3:2H19:35:443
2546559995046,2cyclictest2606602-21kworker/2:023:22:382
2546559995046,2cyclictest2595825-21kworker/2:021:45:282
2546559995046,2cyclictest2575484-21kworker/2:120:55:342
2546550995048,1cyclictest2567765-21kworker/0:120:24:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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