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2025-12-07 - 20:43
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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 Sun Dec 07, 2025 12:49:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8598993674,162cyclictest151rcu_preempt11:05:1731
8598993674,162cyclictest151rcu_preempt11:05:1731
2482912630,257ptp4l0-21swapper/107:06:561
86569923332,198cyclictest151rcu_preempt09:28:239
8649991865,158cyclictest0-21swapper/1609:55:248
85429918634,88cyclictest0-21swapper/007:10:000
8649991835,137cyclictest0-21swapper/1607:50:238
8649991815,127cyclictest0-21swapper/1610:08:148
8649991795,144cyclictest0-21swapper/1610:41:388
8649991795,144cyclictest0-21swapper/1610:41:388
86939917466,23cyclictest149-21ksoftirqd/2210:51:4915
86939917466,23cyclictest149-21ksoftirqd/2210:51:4915
8649991735,126cyclictest0-21swapper/1610:04:598
329891159151,6phc2sys0-21swapper/207:05:2112
86719915735,119cyclictest0-21swapper/1910:35:4411
86719915735,119cyclictest0-21swapper/1910:35:4411
8649991575,111cyclictest0-21swapper/1612:15:268
8649991570,101cyclictest0-21swapper/1612:25:018
8671991530,89cyclictest0-21swapper/1912:25:1811
8649991535,111cyclictest0-21swapper/1609:12:548
8542991533,20cyclictest151rcu_preempt12:28:310
8649991495,105cyclictest0-21swapper/1611:14:288
8649991495,105cyclictest0-21swapper/1611:14:278
86719914526,74cyclictest0-21swapper/1907:30:2011
85939914555,77cyclictest151rcu_preempt10:05:2730
86719914427,87cyclictest0-21swapper/1910:18:0711
86719914427,87cyclictest0-21swapper/1910:18:0611
8649991445,102cyclictest0-21swapper/1609:52:258
854699144123,13cyclictest22-21ksoftirqd/109:40:131
8546991430,86cyclictest0-21swapper/111:04:211
8546991430,86cyclictest0-21swapper/111:04:211
8741991420,87cyclictest0-21swapper/2911:05:1922
8741991420,87cyclictest0-21swapper/2911:05:1822
8649991410,86cyclictest0-21swapper/1609:23:218
8649991410,84cyclictest0-21swapper/1612:30:238
8649991410,84cyclictest0-21swapper/1609:00:128
8671991400,70cyclictest0-21swapper/1910:20:1511
8671991400,70cyclictest0-21swapper/1910:20:1411
8593991400,86cyclictest0-21swapper/811:25:0330
8649991395,99cyclictest0-21swapper/1612:09:078
86499913954,55cyclictest0-21swapper/1610:50:298
86499913954,55cyclictest0-21swapper/1610:50:288
86499913950,56cyclictest0-21swapper/1607:10:188
86499913942,60cyclictest0-21swapper/1610:49:358
86499913942,60cyclictest0-21swapper/1610:49:348
8649991390,104cyclictest0-21swapper/1609:44:458
8568991390,89cyclictest0-21swapper/409:04:2726
87419913851,57cyclictest0-21swapper/2911:00:2922
87419913851,57cyclictest0-21swapper/2911:00:2922
87419913849,59cyclictest0-21swapper/2911:30:2522
87419913847,65cyclictest0-21swapper/2912:37:4622
87419913826,67cyclictest0-21swapper/2909:35:3122
8649991385,97cyclictest0-21swapper/1611:51:238
86499913829,66cyclictest0-21swapper/1608:20:188
86499913827,68cyclictest0-21swapper/1610:56:278
86499913827,68cyclictest0-21swapper/1610:56:268
87419913750,54cyclictest0-21swapper/2907:35:3822
87419913746,59cyclictest0-21swapper/2912:00:5422
87199913738,70cyclictest0-21swapper/2611:04:1119
87199913738,70cyclictest0-21swapper/2611:04:1119
8719991371,86cyclictest0-21swapper/2609:10:2019
86499913730,68cyclictest0-21swapper/1610:25:008
86499913730,68cyclictest0-21swapper/1610:25:008
86499913729,70cyclictest0-21swapper/1611:33:428
86499913728,67cyclictest0-21swapper/1607:25:208
86499913726,69cyclictest0-21swapper/1610:35:018
86499913726,69cyclictest0-21swapper/1610:35:008
8649991370,85cyclictest0-21swapper/1609:15:228
8649991370,82cyclictest0-21swapper/1611:43:038
8649991370,81cyclictest0-21swapper/1611:57:128
87419913647,57cyclictest0-21swapper/2907:46:3222
87419913630,72cyclictest0-21swapper/2910:09:4322
87419913630,71cyclictest0-21swapper/2912:23:3922
87419913629,70cyclictest0-21swapper/2909:14:0822
87419913628,69cyclictest0-21swapper/2912:30:0122
8684991360,85cyclictest0-21swapper/2109:15:0514
8684991360,80cyclictest0-21swapper/2111:23:5214
8684991360,80cyclictest0-21swapper/2111:23:5214
8649991360,85cyclictest0-21swapper/1608:25:198
87419913556,60cyclictest0-21swapper/2911:35:3422
87419913545,63cyclictest0-21swapper/2908:35:0922
87419913540,69cyclictest0-21swapper/2911:48:3522
87419913529,70cyclictest0-21swapper/2909:57:5822
87419913527,71cyclictest0-21swapper/2909:33:5622
86499913547,54cyclictest0-21swapper/1608:35:178
8649991350,79cyclictest0-21swapper/1608:13:218
8593991350,90cyclictest0-21swapper/809:00:1530
8546991350,83cyclictest0-21swapper/108:15:011
87419913450,63cyclictest0-21swapper/2910:01:1122
87419913445,71cyclictest0-21swapper/2910:33:4622
87419913445,71cyclictest0-21swapper/2910:33:4622
87419913432,78cyclictest0-21swapper/2907:34:0122
87419913429,69cyclictest0-21swapper/2908:40:1722
87199913433,99cyclictest0-21swapper/2610:05:2519
86719913425,64cyclictest0-21swapper/1911:01:2311
86719913425,64cyclictest0-21swapper/1911:01:2311
86499913429,67cyclictest0-21swapper/1607:35:258
86499913427,68cyclictest0-21swapper/1611:37:108
86499913424,70cyclictest0-21swapper/1611:19:318
86499913424,70cyclictest0-21swapper/1611:19:318
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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