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2026-08-12 - 09:20
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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 Wed Aug 12, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2883033996550,12cyclictest2129100-1kworker/2:0H00:21:242
2883032996562,2cyclictest2904957-21sshd20:15:361
2883032996561,2cyclictest0-21swapper/121:07:261
2883032996461,2cyclictest0-21swapper/120:05:051
2883032996459,3cyclictest0-21swapper/123:41:481
2883032996442,20cyclictest3616534-1kworker/1:1H23:30:001
2883032996347,15cyclictest2981362-21kworker/1:322:15:161
2883032996342,19cyclictest2941831-21kworker/1:021:40:131
2883032996158,2cyclictest0-21swapper/119:17:341
2883032996144,16cyclictest3050904-21kworker/1:023:40:001
2883032996143,17cyclictest3616534-1kworker/1:1H22:00:161
2883032996143,17cyclictest2912536-21kworker/1:320:55:061
2883032996143,17cyclictest2908065-21kworker/1:020:34:511
2883032996143,17cyclictest2906525-21kworker/1:220:25:241
2883032996139,20cyclictest2921162-21kworker/1:221:15:141
2883032996136,22cyclictest3616534-1kworker/1:1H23:16:171
2883032996043,16cyclictest3045334-21kworker/1:123:30:131
2883032996043,16cyclictest3008913-21kworker/1:322:45:231
2883032996043,16cyclictest3001468-21kworker/1:022:40:521
2883032996043,16cyclictest2996637-21kworker/1:122:35:001
2883032996043,16cyclictest2911647-21kworker/1:220:40:091
2883032996043,16cyclictest2888003-21kworker/1:119:30:161
2883032996042,17cyclictest3616534-1kworker/1:1H19:25:161
2883032996042,17cyclictest3616534-1kworker/1:1H19:25:161
2883032996042,17cyclictest3060505-21kworker/1:123:51:271
2883032996042,17cyclictest2991567-21kworker/1:222:30:011
2883032996042,17cyclictest2941831-21kworker/1:021:45:131
2883032996042,17cyclictest2932259-21kworker/1:121:20:501
2883032996042,16cyclictest3060505-21kworker/1:100:05:171
2883032996041,17cyclictest3616534-1kworker/1:1H00:30:001
2883032996041,17cyclictest3101954-21kworker/1:000:30:141
2883032996041,17cyclictest3075020-21kworker/1:200:00:011
288303299601,56cyclictest0-21swapper/120:45:181
2883032995956,2cyclictest0-21swapper/120:14:161
2883032995942,16cyclictest2888003-21kworker/1:120:20:151
2883032995941,17cyclictest3616534-1kworker/1:1H23:24:041
2883032995941,17cyclictest2973705-21kworker/1:222:10:171
2883032995941,17cyclictest2950530-21kworker/1:122:05:151
2883032995941,16cyclictest2882824-21kworker/1:019:20:011
2883032995940,17cyclictest2888003-21kworker/1:119:45:141
2883032995940,17cyclictest2882824-21kworker/1:019:12:441
2883032995939,18cyclictest3616534-1kworker/1:1H22:25:431
2883032995939,18cyclictest2932259-21kworker/1:121:29:521
2883032995939,18cyclictest2888003-21kworker/1:119:55:161
2883032995938,20cyclictest2888003-21kworker/1:119:50:151
2883032995937,20cyclictest3013744-21kworker/1:122:55:061
2883032995936,21cyclictest2918064-21kworker/1:021:00:151
2883032995936,21cyclictest2918064-21kworker/1:021:00:141
2883032995841,16cyclictest3081877-21kworker/1:000:10:221
2883032995841,16cyclictest2888003-21kworker/1:119:35:011
2883032995840,17cyclictest2950530-21kworker/1:121:50:121
2883032995840,17cyclictest2921429-21kworker/1:321:11:221
2883032995840,16cyclictest3081877-21kworker/1:000:15:151
2883032995839,17cyclictest3077250-21kworker/1:300:04:021
2883032995839,17cyclictest2986578-21kworker/1:122:21:321
2883032995838,19cyclictest3106680-21kworker/1:100:35:151
2883032995837,19cyclictest3616534-1kworker/1:1H20:50:151
2883032995739,17cyclictest2888003-21kworker/1:120:00:321
2883032995738,18cyclictest2941831-21kworker/1:021:40:011
2883032995738,17cyclictest3017907-21kworker/1:223:00:131
2883032995738,17cyclictest2908065-21kworker/1:020:35:181
2883032995737,18cyclictest2960259-21kworker/1:021:55:141
2883032995736,19cyclictest3023805-21kworker/1:023:05:171
2883032995735,20cyclictest3060505-21kworker/1:123:45:161
2883032995735,20cyclictest3060505-21kworker/1:123:45:161
2883032995638,17cyclictest2888003-21kworker/1:119:40:151
2883032995637,18cyclictest3033454-21kworker/1:223:13:021
2883032995636,19cyclictest2932259-21kworker/1:121:30:151
2883032995552,2cyclictest0-21swapper/122:50:141
2883034995449,3cyclictest493060-1kworker/3:0H21:55:513
2883034995449,3cyclictest493060-1kworker/3:0H00:36:313
2883032995435,18cyclictest3092299-21kworker/1:100:20:151
2883033995348,3cyclictest2975077-21kworker/2:222:24:182
2883034995248,3cyclictest493060-1kworker/3:0H22:32:523
2883034995248,2cyclictest3094527-21kworker/3:200:20:153
2883034995247,3cyclictest493060-1kworker/3:0H21:34:563
2883031995248,3cyclictest2889541-21kworker/0:019:46:180
2883031995246,4cyclictest4176325-1kworker/0:0H21:35:150
2883031995147,2cyclictest2940696-21kworker/0:221:33:010
2883034995045,3cyclictest493060-1kworker/3:0H21:06:503
2883034995044,3cyclictest493060-1kworker/3:0H20:15:163
2883033995045,3cyclictest3075110-21kworker/2:223:58:272
2883031995047,2cyclictest2918069-21kworker/0:121:04:150
2883031995047,2cyclictest2918069-21kworker/0:121:04:150
2883031995047,2cyclictest2895967-21kworker/0:219:54:180
2883031995046,2cyclictest4176325-1kworker/0:0H19:35:140
2883031995046,2cyclictest2889541-21kworker/0:020:44:490
2883031995045,3cyclictest4176325-1kworker/0:0H22:42:510
2883034994945,3cyclictest493060-1kworker/3:0H22:25:063
2883034994945,3cyclictest493060-1kworker/3:0H00:01:593
2883033994945,2cyclictest3015522-21kworker/2:123:10:232
2883033994945,2cyclictest2897253-21kworker/2:219:57:182
2883031994944,3cyclictest4176325-1kworker/0:0H20:10:160
2883034994845,2cyclictest493060-1kworker/3:0H21:29:493
2883034994844,3cyclictest493060-1kworker/3:0H00:10:213
2883033994845,2cyclictest2129100-1kworker/2:0H20:24:502
2883033994844,2cyclictest3039940-21kworker/2:023:28:332
2883033994843,3cyclictest2129100-1kworker/2:0H20:30:272
2883033994833,13cyclictest2129100-1kworker/2:0H19:30:142
2883031994845,2cyclictest3079172-21kworker/0:200:27:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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