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2026-05-26 - 19:12
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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 Tue May 26, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3730220119,48sleep00-21swapper/019:08:190
3996991748,52cyclictest11733-21ntp_states23:50:470
39969916528,114cyclictest754-21systemd-journal00:25:170
3996991648,18cyclictest28014-21apt-get20:47:090
39969916242,108cyclictest636-21apt-config23:10:110
39969916029,111cyclictest1305-21snmpd21:19:070
39969916027,113cyclictest24395-21/usr/sbin/munin20:30:270
3996991587,132cyclictest1305-21snmpd23:03:540
3996991576,17cyclictest18039-21/usr/sbin/munin22:10:160
39969915740,105cyclictest4263-21runrttasks19:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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