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2025-12-30 - 10:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Tue Dec 30, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2237321790,4sleep01203999cyclictest00:05:140
1505321530,5sleep11204599cyclictest19:24:411
2421421380,3sleep11204599cyclictest22:17:081
1068911060,39ptp4l401ktimersoftd/319:19:003
22472850,1sleep30-21swapper/321:51:563
194532800,2sleep20-21swapper/221:35:012
194532800,2sleep20-21swapper/221:35:012
138972790,2sleep20-21swapper/221:29:112
106891730,1ptp4l401ktimersoftd/321:46:233
106891660,1ptp4l401ktimersoftd/300:30:313
129512650,2sleep00-21swapper/023:18:490
278672640,5sleep01203999cyclictest22:58:500
12049996351,6cyclictest33-21ksoftirqd/219:39:522
12049996149,5cyclictest33-21ksoftirqd/200:25:002
12049995846,5cyclictest33-21ksoftirqd/219:19:532
258112570,2sleep20-21swapper/219:45:012
176202570,2sleep20-21swapper/200:37:162
57692560,2sleep00-21swapper/021:55:100
12049995644,6cyclictest33-21ksoftirqd/223:04:572
265152530,5sleep126517-21sh23:34:441
12049995242,4cyclictest33-21ksoftirqd/220:44:552
12049995238,3cyclictest33-21ksoftirqd/200:10:092
12049995133,9cyclictest33-21ksoftirqd/220:09:572
12049995020,15cyclictest33-21ksoftirqd/219:29:582
12049994922,4cyclictest33-21ksoftirqd/223:50:052
12049994836,4cyclictest33-21ksoftirqd/223:14:442
12049994826,3cyclictest33-21ksoftirqd/220:40:062
12049994825,4cyclictest33-21ksoftirqd/223:14:572
106891480,1ptp4l401ktimersoftd/322:45:353
12049994742,3cyclictest33-21ksoftirqd/200:39:502
1204999473,8cyclictest33-21ksoftirqd/223:44:572
12049994722,4cyclictest33-21ksoftirqd/200:07:082
12049994719,6cyclictest33-21ksoftirqd/223:41:362
12049994717,5cyclictest33-21ksoftirqd/222:29:432
12049994637,4cyclictest33-21ksoftirqd/222:09:562
12049994623,4cyclictest33-21ksoftirqd/221:15:052
12049994622,4cyclictest33-21ksoftirqd/222:18:042
12049994621,11cyclictest33-21ksoftirqd/223:57:232
106891460,1ptp4l401ktimersoftd/322:22:493
12049994539,3cyclictest33-21ksoftirqd/222:44:482
12049994433,4cyclictest33-21ksoftirqd/222:55:062
12049994424,7cyclictest33-21ksoftirqd/223:59:592
12049994419,4cyclictest33-21ksoftirqd/200:32:042
106891440,2ptp4l1092-21kworker/3:200:21:003
106891440,1ptp4l401ktimersoftd/322:43:293
12049994338,3cyclictest33-21ksoftirqd/223:24:582
12049994336,4cyclictest33-21ksoftirqd/222:59:572
12049994331,3cyclictest33-21ksoftirqd/222:05:072
12049994319,4cyclictest33-21ksoftirqd/219:35:102
12049994318,4cyclictest33-21ksoftirqd/223:20:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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