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2026-09-12 - 16:37
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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 Sep 12, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30200220123,58sleep030206-21ntp_states19:05:290
310129916467,36cyclictest7297-21apt-get19:47:060
310129916172,34cyclictest17961-21df20:25:180
310129915373,61cyclictest5623-21wget23:50:170
310129915083,22cyclictest24583-21diskstats20:50:220
310129915076,21cyclictest7019-21df23:55:200
310129914969,38cyclictest1305-21snmpd22:10:190
310129914778,48cyclictest19738-21dpkg22:40:180
310129914774,53cyclictest15975-21latency_hist00:30:080
310129914774,34cyclictest1035-21munin-run19:20:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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