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2025-11-29 - 18:41
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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 rackcslot8.osadl.org (updated Sat Nov 29, 2025 12:49:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2034399346148,1cyclictest151rcu_preempt09:36:0621
2482912950,287ptp4l0-21swapper/107:06:061
179012221213,6sleep290-21swapper/2907:05:2422
202029916832,81cyclictest0-21swapper/207:10:0012
201919916850,68cyclictest0-21swapper/010:34:420
201919916850,68cyclictest0-21swapper/010:34:420
201919916332,129cyclictest0-21swapper/010:11:090
203469916231,81cyclictest0-21swapper/2909:55:3422
201919916153,57cyclictest13-21ksoftirqd/011:14:310
201919916153,57cyclictest13-21ksoftirqd/011:14:310
20191991609,23cyclictest0-21swapper/010:03:280
20191991609,23cyclictest0-21swapper/010:03:270
201919916032,106cyclictest0-21swapper/012:01:330
201919915930,91cyclictest0-21swapper/007:40:140
201919915929,129cyclictest0-21swapper/007:10:200
202429915534,75cyclictest0-21swapper/1107:20:183
201919915527,90cyclictest0-21swapper/008:01:320
203469915038,72cyclictest0-21swapper/2910:00:2322
203469915038,72cyclictest0-21swapper/2910:00:2222
20191991490,86cyclictest0-21swapper/009:04:070
201919914847,70cyclictest0-21swapper/009:50:360
20361991470,86cyclictest0-21swapper/3109:35:0225
203469914731,62cyclictest0-21swapper/2908:35:2422
203469914722,89cyclictest0-21swapper/2909:10:4022
203269914710,109cyclictest0-21swapper/2510:15:1718
203269914710,109cyclictest0-21swapper/2510:15:1718
20226991470,88cyclictest0-21swapper/709:05:1629
201919914726,84cyclictest0-21swapper/011:27:260
201919914726,84cyclictest0-21swapper/011:27:260
203439914422,104cyclictest0-21swapper/2811:15:1421
203439914422,104cyclictest0-21swapper/2811:15:1321
203439914421,90cyclictest0-21swapper/2809:55:2621
203439914421,122cyclictest0-21swapper/2807:35:2221
20242991441,84cyclictest0-21swapper/1111:38:563
201919914424,82cyclictest0-21swapper/011:19:160
201919914424,82cyclictest0-21swapper/011:19:150
203469914317,123cyclictest151rcu_preempt09:34:2922
203539914146,61cyclictest0-21swapper/3010:26:3624
203539914146,61cyclictest0-21swapper/3010:26:3524
203439914121,119cyclictest0-21swapper/2809:08:5121
203059914148,55cyclictest0-21swapper/2112:15:5914
203059913852,63cyclictest0-21swapper/2112:28:4814
203059913848,58cyclictest0-21swapper/2111:10:4814
203059913848,58cyclictest0-21swapper/2111:10:4714
203059913829,63cyclictest0-21swapper/2112:21:2014
203059913753,59cyclictest0-21swapper/2112:36:1814
203059913714,77cyclictest0-21swapper/2109:33:0014
20191991370,84cyclictest0-21swapper/008:20:180
203249913612,121cyclictest151rcu_preempt09:11:5917
203439913521,73cyclictest0-21swapper/2810:45:1921
203439913521,73cyclictest0-21swapper/2810:45:1821
203059913530,64cyclictest0-21swapper/2111:17:1314
203059913530,64cyclictest0-21swapper/2111:17:1214
201919913545,65cyclictest0-21swapper/011:21:240
201919913545,65cyclictest0-21swapper/011:21:230
203059913431,63cyclictest0-21swapper/2112:31:1614
203059913429,64cyclictest0-21swapper/2111:36:2714
203059913429,64cyclictest0-21swapper/2107:11:5614
20305991342,83cyclictest0-21swapper/2109:50:3714
203059913330,68cyclictest0-21swapper/2110:16:1614
203059913330,68cyclictest0-21swapper/2110:16:1614
203059913330,67cyclictest0-21swapper/2108:10:0214
203059913330,67cyclictest0-21swapper/2107:54:4014
203059913330,62cyclictest0-21swapper/2111:21:2914
203059913330,62cyclictest0-21swapper/2111:21:2914
203059913328,60cyclictest0-21swapper/2111:02:4614
203059913328,60cyclictest0-21swapper/2111:02:4614
203059913327,63cyclictest0-21swapper/2111:40:1114
203059913327,63cyclictest0-21swapper/2111:40:1014
202959913357,40cyclictest0-21swapper/1910:14:3511
203059913231,64cyclictest0-21swapper/2110:09:5214
203059913230,65cyclictest0-21swapper/2111:32:1014
203059913230,65cyclictest0-21swapper/2111:32:0914
203059913230,64cyclictest0-21swapper/2111:45:3214
203059913230,62cyclictest0-21swapper/2110:57:2514
203059913230,62cyclictest0-21swapper/2110:57:2514
203059913229,61cyclictest0-21swapper/2110:37:4014
203059913229,61cyclictest0-21swapper/2110:37:4014
203059913225,63cyclictest0-21swapper/2112:02:5414
203539913127,61cyclictest0-21swapper/3007:45:0224
203539913126,59cyclictest0-21swapper/3007:20:2224
203439913116,86cyclictest0-21swapper/2810:58:2421
203439913116,86cyclictest0-21swapper/2810:58:2421
203059913145,50cyclictest0-21swapper/2112:10:1414
203059913135,67cyclictest0-21swapper/2110:41:2314
203059913135,67cyclictest0-21swapper/2110:41:2314
203059913131,62cyclictest0-21swapper/2111:29:5714
203059913131,62cyclictest0-21swapper/2111:29:5614
203059913130,67cyclictest0-21swapper/2109:49:3314
203059913129,67cyclictest0-21swapper/2107:55:1214
203539913028,61cyclictest0-21swapper/3008:31:4224
203059913031,68cyclictest0-21swapper/2110:20:3414
203059913031,64cyclictest0-21swapper/2109:27:3814
203059913029,61cyclictest0-21swapper/2110:34:5914
203059913029,61cyclictest0-21swapper/2110:34:5914
201919913045,54cyclictest0-21swapper/009:11:360
201919913044,57cyclictest0-21swapper/011:08:070
201919913044,57cyclictest0-21swapper/011:08:070
203249912919,35cyclictest0-21swapper/2411:36:2017
203059912930,66cyclictest0-21swapper/2109:38:2014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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