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2026-05-09 - 19:49
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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 Sat May 09, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17731222616,32sleep00-21swapper/019:07:340
180849917229,122cyclictest30533-21seq19:57:090
18084991637,112cyclictest23372-21chrt23:45:070
18084991598,94cyclictest22316-21ntp_states19:25:410
18084991597,130cyclictest18420-21apt-cache21:17:120
180849915941,105cyclictest801-21dbus-daemon00:00:010
180849915923,116cyclictest1408-21nginx22:12:460
18084991587,18cyclictest933-21apt-get20:12:080
18084991577,109cyclictest31894-21fw_conntrack00:15:210
180849915727,111cyclictest1305-21snmpd23:51:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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