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2026-09-01 - 04:44
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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 Mon Aug 31, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24939220424,48sleep00-21swapper/007:07:380
252829917444,90cyclictest28486-21runrttasks11:36:570
252829916826,110cyclictest1305-21snmpd09:14:440
252829916626,102cyclictest1408-21nginx08:56:200
252829916528,114cyclictest1408-21nginx07:34:580
25282991629,108cyclictest2010-21node12:15:440
25282991626,115cyclictest6968-21/usr/sbin/munin12:20:110
25282991607,121cyclictest1305-21snmpd08:54:390
25282991576,130cyclictest1305-21snmpd07:29:210
252829915723,113cyclictest21417-21runrttasks09:01:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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