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2026-05-24 - 11:19
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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 May 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2594404996841,25cyclictest2596970-21kworker/1:019:20:011
259440499680,66cyclictest0-21swapper/121:01:021
259440499670,65cyclictest0-21swapper/122:17:561
2594404996546,17cyclictest2719546-21kworker/1:222:45:171
259440499650,1cyclictest0-21swapper/121:30:311
2594404996360,2cyclictest0-21swapper/121:10:311
2594404996345,17cyclictest2816897-21kworker/1:000:31:121
2594404996244,17cyclictest2683476-21kworker/1:022:30:151
2594404996244,17cyclictest2668623-21kworker/1:021:50:191
2594404996241,19cyclictest3868194-1kworker/1:0H20:55:011
2594404996155,4cyclictest0-21swapper/119:45:131
2594404996143,17cyclictest2603393-21kworker/1:019:33:451
2594404996143,16cyclictest2778160-21kworker/1:123:50:101
2594404996142,17cyclictest2608336-21kworker/1:219:50:141
2594404996140,19cyclictest2797717-21kworker/1:200:10:161
2594404996043,16cyclictest2719546-21kworker/1:222:50:131
2594404996043,16cyclictest2683476-21kworker/1:022:35:001
2594404996043,16cyclictest2608336-21kworker/1:220:20:321
2594404996042,17cyclictest2668623-21kworker/1:021:49:441
2594404996041,18cyclictest2754942-21kworker/1:023:28:001
2594404996041,17cyclictest2783216-21kworker/1:023:55:131
2594404996040,18cyclictest3868194-1kworker/1:0H19:25:001
2594404995943,15cyclictest2812089-21kworker/1:200:35:161
2594404995943,15cyclictest2683476-21kworker/1:022:25:141
2594404995942,16cyclictest2608336-21kworker/1:220:17:351
2594404995940,17cyclictest2683476-21kworker/1:022:20:011
2594404995940,17cyclictest2633293-21kworker/1:121:22:421
2594404995843,14cyclictest2748588-21kworker/1:223:19:431
2594404995842,15cyclictest3868194-1kworker/1:0H00:25:011
2594404995842,15cyclictest2792942-21kworker/1:000:05:141
2594404995842,15cyclictest2792942-21kworker/1:000:03:071
2594404995842,15cyclictest2714423-21kworker/1:122:40:141
2594404995842,15cyclictest2628607-21kworker/1:020:55:121
2594404995838,19cyclictest3868194-1kworker/1:0H20:35:001
2594404995837,19cyclictest2608336-21kworker/1:220:15:011
2594404995742,14cyclictest2608336-21kworker/1:220:25:161
2594404995742,14cyclictest2596970-21kworker/1:019:25:011
2594404995741,15cyclictest2767140-21kworker/1:223:41:131
2594404995741,14cyclictest3868194-1kworker/1:0H23:02:441
2594404995740,16cyclictest2738853-21kworker/1:123:20:141
2594404995740,16cyclictest2734052-21kworker/1:023:00:001
2594404995738,17cyclictest2762496-21kworker/1:123:30:161
2594416995643,7cyclictest197269-1kworker/3:0H23:40:123
2594404995641,14cyclictest2802433-21kworker/1:100:15:161
2594404995641,14cyclictest2649217-21kworker/1:221:29:451
2594404995641,14cyclictest2620902-21kworker/1:020:35:141
2594404995641,14cyclictest2608336-21kworker/1:220:07:271
2594404995640,15cyclictest2633293-21kworker/1:121:18:151
2594404995640,15cyclictest2608336-21kworker/1:220:02:311
2594404995639,16cyclictest2678576-21kworker/1:122:05:141
2594404995639,15cyclictest3868194-1kworker/1:0H00:20:141
2594404995638,16cyclictest2598783-21kworker/1:219:35:141
259440499560,3cyclictest2611381-21cron20:00:001
2594416995550,3cyclictest197269-1kworker/3:0H19:10:413
2594404995540,14cyclictest2762496-21kworker/1:123:35:151
2594404995540,14cyclictest2738853-21kworker/1:123:10:061
2594404995540,14cyclictest2678576-21kworker/1:122:00:011
2594404995539,15cyclictest2673708-21kworker/1:221:57:471
2594404995539,15cyclictest2654011-21kworker/1:021:35:201
2594404995538,16cyclictest2658891-21kworker/1:221:40:141
2594404995536,17cyclictest3868194-1kworker/1:0H22:15:001
259440499551,52cyclictest0-21swapper/120:42:331
2594404995438,15cyclictest2594135-21kworker/1:119:10:131
2594404995438,14cyclictest3868194-1kworker/1:0H23:07:571
2594404995437,16cyclictest2624708-21kworker/1:120:45:151
2594416995349,2cyclictest197269-1kworker/3:0H19:42:293
2594404995338,14cyclictest2633293-21kworker/1:121:07:421
2594416995247,3cyclictest197269-1kworker/3:0H19:57:443
2594409995247,3cyclictest2762663-21kworker/2:223:32:382
2594409995247,3cyclictest2598786-21kworker/2:119:40:482
2594409995247,3cyclictest2598786-21kworker/2:119:34:452
2594409995246,3cyclictest3402818-1kworker/2:1H20:10:132
2594404995237,14cyclictest2767140-21kworker/1:223:45:011
2594404995232,19cyclictest2605561-21kworker/1:319:40:161
2594416995147,2cyclictest545888-21kworker/3:119:20:413
2594416995146,3cyclictest197269-1kworker/3:0H23:39:553
2594416995145,3cyclictest197269-1kworker/3:0H23:30:173
2594409995146,3cyclictest3402818-1kworker/2:1H22:46:132
2594409995146,3cyclictest2620905-21kworker/2:020:57:392
2594416995045,3cyclictest197269-1kworker/3:0H23:50:063
2594409995046,2cyclictest2733505-21kworker/2:223:11:132
2594409995045,3cyclictest3402818-1kworker/2:1H19:21:382
2594416994945,2cyclictest2601919-21kworker/3:221:16:483
2594416994943,4cyclictest197269-1kworker/3:0H20:19:543
2594409994946,2cyclictest2656351-21kworker/2:021:46:482
2594409994945,2cyclictest2620905-21kworker/2:020:33:442
2594409994944,3cyclictest2612936-21kworker/2:220:26:442
2594402994945,2cyclictest2594132-21kworker/0:119:44:590
2594416994844,2cyclictest197269-1kworker/3:0H21:04:143
2594416994843,3cyclictest197269-1kworker/3:0H19:45:143
2594416994843,2cyclictest197269-1kworker/3:0H00:00:143
2594416994834,11cyclictest197269-1kworker/3:0H00:18:073
2594416994740,5cyclictest197269-1kworker/3:0H22:35:123
2594416994739,6cyclictest197269-1kworker/3:0H21:55:103
2594416994738,7cyclictest197269-1kworker/3:0H00:34:543
2594416994737,7cyclictest197269-1kworker/3:0H23:20:143
2594409994743,2cyclictest2620905-21kworker/2:020:53:132
2594409994742,3cyclictest3402818-1kworker/2:1H23:45:312
2594409994742,3cyclictest3402818-1kworker/2:1H22:07:482
2594402994744,2cyclictest1167012-1kworker/0:0H19:22:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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