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2026-04-14 - 13:56
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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 rackbslot8.osadl.org (updated Tue Apr 14, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58750539500irq/54-eth00-21swapper/119:06:171
23654998025cyclictest26885-21tr00:19:571
2306327961sleep00-21swapper/019:06:240
23654997823cyclictest0-21swapper/120:00:121
23654997520cyclictest18259-21munin-node1
23654997419cyclictest368-21ntp_kernel_pll_19:35:211
23654997419cyclictest2984-21runrttasks19:40:271
23654997419cyclictest28947-21fschecks_time00:25:161
23654997419cyclictest24723-21munin-node1
23654997419cyclictest20951-21munin-node1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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