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2026-07-21 - 08:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Tue Jul 21, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28510239220sleep28513-21kernelversion19:03:150
293429926093cyclictest19446-21munin-node0
2934299243181cyclictest24543-21diskmemload21:56:510
2934299242217cyclictest18278-21ntp_states20:39:290
2934299240176cyclictest31790-21sed23:54:350
2934299239212cyclictest30967-21ssh23:51:080
2934299238211cyclictest25068-21irqstats21:09:300
2934299237211cyclictest27398-21runrttasks23:36:070
2934299235172cyclictest10785-21latency_hist20:07:570
2934299233208cyclictest3094-21memory00:09:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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