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2026-05-08 - 09:15
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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 Thu May 07, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4951215990,9sleep04949-21irqstats07:05:250
58509912441,35cyclictest25217-21diskstats08:25:210
58509912434,36cyclictest16893-21apt-get10:01:360
58509912254,36cyclictest11959-21irqstats09:40:280
58509912150,42cyclictest23846-21diskstats10:25:210
58509912053,35cyclictest1305-21snmpd09:57:100
58509911948,39cyclictest18175-21sshd07:56:060
58509911944,22cyclictest1305-21snmpd09:02:110
58509911845,53cyclictest23769-21/usr/sbin/munin08:20:110
58509911748,50cyclictest20539-21munin-plugin-st12:20:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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