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2026-06-20 - 11:42
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Sat Jun 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663321520,5sleep21564299cyclictest01:24:012
2135321440,2sleep21564299cyclictest02:24:432
2067421300,4sleep01562899cyclictest00:10:230
1068911060,4ptp4l401ktimersoftd/320:51:243
287012800,2sleep30-21swapper/300:19:583
106891720,1ptp4l401ktimersoftd/323:43:253
106891670,1ptp4l401ktimersoftd/323:20:223
136962620,3sleep20-21swapper/220:50:052
103162600,2sleep20-21swapper/200:33:582
279562580,2sleep00-21swapper/000:50:380
163392580,4sleep341-21ksoftirqd/300:05:453
106891580,1ptp4l401ktimersoftd/322:32:313
106891580,1ptp4l401ktimersoftd/301:04:003
106891580,1ptp4l401ktimersoftd/301:04:003
106891570,1ptp4l401ktimersoftd/300:35:343
127182560,2sleep10-21swapper/100:03:221
106891560,1ptp4l401ktimersoftd/300:03:413
128042550,2sleep20-21swapper/223:30:142
106891530,1ptp4l401ktimersoftd/301:04:593
106891520,1ptp4l401ktimersoftd/301:55:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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