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2026-05-30 - 07:39
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sat May 30, 2026 01:01:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1141199206189,10cyclictest0-21swapper/3222:57:4126
1141199206189,10cyclictest0-21swapper/3222:57:4026
1139999202198,2cyclictest0-21swapper/2100:08:5914
1139999202198,2cyclictest0-21swapper/2100:08:5914
1139999202198,2cyclictest0-21swapper/2100:08:5814
1141699199193,2cyclictest0-21swapper/3422:33:0528
1141699199193,2cyclictest0-21swapper/3422:33:0528
1141799197188,7cyclictest0-21swapper/3523:20:1329
1141799197188,7cyclictest0-21swapper/3523:20:1329
1140799196149,36cyclictest0-21swapper/2823:20:4421
1140799196149,36cyclictest0-21swapper/2823:20:4421
1141799191183,4cyclictest0-21swapper/3522:33:0629
1141799191183,4cyclictest0-21swapper/3522:33:0529
11407991911,98cyclictest0-21swapper/2822:10:0021
11407991911,98cyclictest0-21swapper/2822:10:0021
1138999188142,41cyclictest4407-21CPU6
1138999188142,41cyclictest4407-21CPU6
1142099187179,5cyclictest0-21swapper/3723:41:3331
1142099187179,5cyclictest0-21swapper/3723:41:3331
1139999187182,3cyclictest0-21swapper/2122:47:2214
1139999187182,3cyclictest0-21swapper/2122:47:2214
1140799186114,64cyclictest0-21swapper/2821:44:0121
1140799186114,64cyclictest0-21swapper/2821:44:0121
1142199185170,8cyclictest0-21swapper/3822:28:4132
1142199185170,8cyclictest0-21swapper/3822:28:4132
1141699184171,11cyclictest0-21swapper/3420:40:3128
1138999184103,76cyclictest37269-21CPU6
1138999184103,76cyclictest37269-21CPU6
1141099183130,48cyclictest2461-21CPU25
1141099183130,48cyclictest2461-21CPU25
1138499183178,2cyclictest0-21swapper/1023:46:152
1138499183178,2cyclictest0-21swapper/1023:46:152
1138099182177,4cyclictest0-21swapper/723:21:4037
1138099182177,4cyclictest0-21swapper/723:21:4037
114079918179,53cyclictest0-21swapper/2821:15:0021
114079918179,53cyclictest0-21swapper/2821:15:0021
114079918179,53cyclictest0-21swapper/2821:15:0021
1138499181170,9cyclictest0-21swapper/1021:10:202
1138499181170,9cyclictest0-21swapper/1021:10:202
1138499181170,9cyclictest0-21swapper/1021:10:202
1141799180164,6cyclictest0-21swapper/3500:21:1329
1141799180164,6cyclictest0-21swapper/3500:21:1229
1141799180164,6cyclictest0-21swapper/3500:21:1229
1138999180163,14cyclictest0-21swapper/1422:25:176
1138999180163,14cyclictest0-21swapper/1422:25:176
1142099178124,29cyclictest0-21swapper/3700:13:0831
1142099178124,29cyclictest0-21swapper/3700:13:0831
1141699178169,7cyclictest0-21swapper/3400:33:5928
1141699178169,7cyclictest0-21swapper/3400:33:5828
1141699178169,7cyclictest0-21swapper/3400:33:5828
1141699178164,12cyclictest0-21swapper/3421:28:1628
1141699178164,12cyclictest0-21swapper/3421:28:1628
1141699178164,12cyclictest0-21swapper/3421:28:1528
1140799178151,22cyclictest0-21swapper/2822:48:0621
1140799178151,22cyclictest0-21swapper/2822:48:0521
1140799178122,47cyclictest0-21swapper/2800:09:5721
1140799178122,47cyclictest0-21swapper/2800:09:5721
1140799178122,47cyclictest0-21swapper/2800:09:5621
11389991782,90cyclictest3543-21CPU6
11389991782,90cyclictest3543-21CPU6
1141699177154,17cyclictest0-21swapper/3422:00:0128
1141699177154,17cyclictest0-21swapper/3422:00:0128
11407991770,174cyclictest0-21swapper/2822:25:1321
11407991770,174cyclictest0-21swapper/2822:25:1321
1138099177164,8cyclictest0-21swapper/721:51:2237
1138099177164,8cyclictest0-21swapper/721:51:2237
1139599176165,6cyclictest0-21swapper/1821:35:0610
1139599176165,6cyclictest0-21swapper/1821:35:0610
1138199176105,64cyclictest2461-21CPU38
1138199176105,64cyclictest2461-21CPU38
1138099176169,5cyclictest0-21swapper/722:47:2537
1138099176169,5cyclictest0-21swapper/722:47:2537
1138099176169,5cyclictest0-21swapper/721:12:3337
1138099176169,5cyclictest0-21swapper/721:12:3337
1138099176169,5cyclictest0-21swapper/721:12:3337
11410991751,95cyclictest0-21swapper/3121:45:2125
11410991751,95cyclictest0-21swapper/3121:45:2125
11410991751,95cyclictest0-21swapper/3121:45:2125
1141099175137,30cyclictest0-21swapper/3122:31:0725
1141099175137,30cyclictest0-21swapper/3122:31:0725
1140799175139,25cyclictest0-21swapper/2821:55:3721
1140799175139,25cyclictest0-21swapper/2821:55:3721
1138999175144,29cyclictest0-21swapper/1421:43:506
1138999175144,29cyclictest0-21swapper/1421:43:506
1141699174159,13cyclictest0-21swapper/3421:45:1128
1141699174159,13cyclictest0-21swapper/3421:45:1028
1141699174159,13cyclictest0-21swapper/3421:45:1028
1138999174132,37cyclictest0-21swapper/1421:39:026
1138999174132,37cyclictest0-21swapper/1421:39:026
1138999174127,43cyclictest3609-21CPU6
1138999174127,43cyclictest3609-21CPU6
1138999174127,43cyclictest3609-21CPU6
114229917298,67cyclictest0-21swapper/3923:51:3133
114229917298,67cyclictest0-21swapper/3923:51:3133
114229917298,67cyclictest0-21swapper/3923:51:3133
1141899172162,7cyclictest0-21swapper/3622:54:4230
1141899172162,7cyclictest0-21swapper/3622:54:4130
1141699172157,13cyclictest0-21swapper/3423:15:2828
1141699172157,13cyclictest0-21swapper/3423:15:2728
1141699172157,13cyclictest0-21swapper/3423:15:2728
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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