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2026-06-19 - 18:03
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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 rack7slot8.osadl.org (updated Fri Jun 19, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9215221028,50sleep00-21swapper/019:06:580
8252211410,12sleep08234-21apt-get23:17:100
2654321139,12sleep01-21systemd00:28:350
15115211111,12sleep015118-21ntp_states19:30:400
97121076,11sleep01022-21apt-key22:50:120
17016210710,13sleep016081-21apt-get23:51:190
3127321046,13sleep031265-21ntp_states22:41:220
96469910343,42cyclictest0-21swapper/021:45:230
932421026,12sleep0787-21haveged21:15:450
322502995,12sleep032258-21fw_conntrack22:45:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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