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2026-03-18 - 20:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Wed Mar 18, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97247499280245,22cyclictest982530-21awk07:45:220
97247499270242,17cyclictest972483-21kworker/u2:107:36:260
97247499268237,20cyclictest29-21kswapd007:41:020
104937822610,4chrt1049374-21diskstats11:45:220
101355222520,3chrt1013523-21ntp_states09:36:050
106225722500,3chrt1062254-21ntpq12:30:560
105674722490,4chrt1056745-21ntpq12:11:110
99227822450,3chrt992277-21/usr/sbin/munin08:20:200
104543522450,3chrt1045432-21ntpq11:30:360
100216322320,4chrt1002161-21memory08:55:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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