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2026-04-09 - 14:41
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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 Thu Apr 09, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2303921710,3sleep12562299cyclictest00:30:181
975321500,5sleep32563699cyclictest00:49:393
665421450,3sleep22562699cyclictest01:19:012
1068911050,4ptp4l401ktimersoftd/320:10:043
152112680,2sleep10-21swapper/122:05:241
106891670,1ptp4l401ktimersoftd/322:43:173
106891640,1ptp4l401ktimersoftd/323:05:363
297152600,1sleep10-21swapper/101:10:051
208092600,3sleep22562699cyclictest01:32:342
106891570,1ptp4l401ktimersoftd/323:04:233
106891570,1ptp4l401ktimersoftd/300:27:233
106891570,1ptp4l401ktimersoftd/300:10:313
106891540,1ptp4l401ktimersoftd/322:28:193
106891540,1ptp4l401ktimersoftd/322:28:193
106891540,1ptp4l401ktimersoftd/301:36:043
254452524,37sleep00-21swapper/020:14:110
106891490,2ptp4l3991-21kworker/3:101:31:383
106891420,1ptp4l401ktimersoftd/321:31:043
106891400,1ptp4l401ktimersoftd/322:50:313
106891400,1ptp4l401ktimersoftd/301:21:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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