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2024-12-11 - 06:58
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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 rack9slot4.osadl.org (updated Wed Dec 11, 2024 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9281114275sleep0-21swapper/113:44:061
9281114275sleep0-21swapper/113:44:061
9385991298cyclictest0-21swapper/016:49:150
9385991238cyclictest0-21swapper/017:54:370
9385991218cyclictest0-21swapper/016:19:140
9385991208cyclictest0-21swapper/013:54:100
9385991158cyclictest0-21swapper/019:04:180
9385991128cyclictest0-21swapper/016:54:350
9385991128cyclictest0-21swapper/016:54:350
9385991118cyclictest0-21swapper/014:24:060
9385991108cyclictest0-21swapper/018:24:170
9385991108cyclictest0-21swapper/015:29:370
9146111075sleep0-21swapper/013:43:590
9146111075sleep0-21swapper/013:43:590
9385991088cyclictest0-21swapper/017:24:150
93859910821cyclictest33950irq/43-eth018:30:330
9385991079cyclictest0-21swapper/017:44:160
9385991068cyclictest0-21swapper/017:32:020
93859910659cyclictest20220-21ntp_offset17:44:460
93859910411cyclictest22387-21latency_hist17:54:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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