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2026-05-27 - 16:59
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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 10 highest latencies:
System rackbslot6.osadl.org (updated Wed May 27, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2754522040,10sleep20-21swapper/208:37:112
2439521860,4sleep12920699cyclictest14:01:031
2606321820,4sleep32922199cyclictest10:45:173
2262721550,4sleep12920699cyclictest10:42:101
2078521470,3sleep32922199cyclictest12:17:233
1068911210,8ptp4l24166-21kworker/3:008:41:213
1068911010,1ptp4l401ktimersoftd/314:06:023
303632740,5sleep12920699cyclictest10:49:121
283972675,47sleep00-21swapper/008:37:220
106891660,2ptp4l401ktimersoftd/312:04:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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