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2026-03-25 - 12:57
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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 Wed Mar 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2506321690,4sleep31855099cyclictest23:57:213
1068911100,4ptp4l401ktimersoftd/320:02:283
50062720,3sleep30-21swapper/300:11:513
106891700,1ptp4l401ktimersoftd/322:44:053
106891680,1ptp4l401ktimersoftd/322:07:203
106891630,1ptp4l401ktimersoftd/322:29:483
183092604,10sleep20-21swapper/220:05:152
59422590,3sleep21854299cyclictest21:52:062
106891580,1ptp4l401ktimersoftd/323:26:573
106891580,1ptp4l401ktimersoftd/323:13:273
106891570,1ptp4l401ktimersoftd/323:43:103
106891570,1ptp4l401ktimersoftd/322:14:443
106891570,1ptp4l401ktimersoftd/301:18:403
154492560,2sleep00-21swapper/023:47:590
28152550,1sleep30-21swapper/321:47:013
106891550,1ptp4l401ktimersoftd/322:35:463
106891550,1ptp4l401ktimersoftd/301:27:433
118622540,2sleep20-21swapper/223:12:072
106891540,1ptp4l401ktimersoftd/322:55:243
106891540,1ptp4l401ktimersoftd/322:55:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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