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2026-06-03 - 23:59
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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 50 highest latencies:
System rackcslot8.osadl.org (updated Wed Jun 03, 2026 12:49:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19429929092,2cyclictest151rcu_preempt11:23:402
20519921629,122cyclictest0-21swapper/3107:35:1825
3273912070,202ptp4l0-21swapper/107:08:071
1991991750,135cyclictest0-21swapper/2210:49:3015
19859916556,40cyclictest0-21swapper/2112:20:3114
19499916232,90cyclictest0-21swapper/1210:37:484
19499916232,129cyclictest0-21swapper/1207:57:294
19429915893,1cyclictest151rcu_preempt09:45:222
19429915893,1cyclictest151rcu_preempt09:45:222
20519915739,90cyclictest0-21swapper/3110:13:5925
19429915515,54cyclictest0-21swapper/1011:25:162
19499915331,67cyclictest0-21swapper/1211:50:144
330891152144,6phc2sys0-21swapper/207:08:0312
1985991490,87cyclictest0-21swapper/2108:10:2314
327342144137,6sleep150-21swapper/1507:06:597
2002991430,82cyclictest0-21swapper/2412:15:0217
2002991420,85cyclictest0-21swapper/2412:20:2117
19549914255,62cyclictest0-21swapper/1311:26:575
19549914052,63cyclictest0-21swapper/1312:16:075
2002991390,85cyclictest0-21swapper/2411:40:1817
19549913953,57cyclictest0-21swapper/1309:05:185
19549913953,57cyclictest0-21swapper/1309:05:185
19549913945,61cyclictest0-21swapper/1309:53:565
1949991390,84cyclictest0-21swapper/1212:09:434
1949991390,80cyclictest0-21swapper/1207:38:004
19859913831,92cyclictest0-21swapper/2110:44:0314
19859913829,19cyclictest0-21swapper/2110:39:3014
19499913817,72cyclictest0-21swapper/1210:11:214
19549913745,57cyclictest0-21swapper/1308:18:495
19549913737,66cyclictest0-21swapper/1310:53:485
19549913728,63cyclictest0-21swapper/1311:09:185
19549913727,64cyclictest0-21swapper/1311:40:505
19549913727,64cyclictest0-21swapper/1310:45:465
19499913751,56cyclictest0-21swapper/1208:42:074
19499913751,56cyclictest0-21swapper/1208:42:064
19499913725,75cyclictest0-21swapper/1209:19:304
19499913725,75cyclictest0-21swapper/1209:19:304
20449913620,65cyclictest0-21swapper/3011:21:5324
19549913650,56cyclictest0-21swapper/1309:10:395
19549913650,56cyclictest0-21swapper/1309:10:385
19549913649,57cyclictest0-21swapper/1307:55:185
19549913637,70cyclictest0-21swapper/1309:18:235
19549913637,70cyclictest0-21swapper/1309:18:235
19549913629,68cyclictest0-21swapper/1312:13:265
19499913648,57cyclictest0-21swapper/1209:59:404
19549913550,63cyclictest0-21swapper/1310:57:325
19549913548,63cyclictest0-21swapper/1311:18:565
19549913546,60cyclictest0-21swapper/1310:36:105
19549913528,64cyclictest0-21swapper/1308:50:215
19549913528,64cyclictest0-21swapper/1308:50:205
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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