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2025-08-30 - 15:31
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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 Aug 30, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151649916725,122cyclictest1424-21nginx22:43:240
151649916641,110cyclictest26754-21runrttasks00:05:370
15164991658,136cyclictest1424-21nginx00:29:210
15164991658,113cyclictest30528-21/usr/sbin/munin22:15:130
15164991646,99cyclictest32528-21apt-get00:32:150
151649916429,117cyclictest28915-21wget00:15:150
15164991628,107cyclictest15304-21wget19:10:120
151649916240,104cyclictest10250irq/56-4a10000019:52:220
151649916227,105cyclictest1356-21snmpd21:03:310
151649916035,103cyclictest19296-21awk23:35:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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