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2026-08-08 - 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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Sat Aug 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1420827620,4sleep014206-21munin-node07:24:180
154169915414,130cyclictest17503-21diskstats12:34:200
154169915215,127cyclictest17396-21grep09:14:220
154169915115,127cyclictest11544-21runrttasks12:14:490
154169915114,127cyclictest3436-21munin-node11:49:490
154169914915,124cyclictest24336-21munin-node07:54:500
154169914915,123cyclictest11526-21munin-node10:34:530
154169914914,125cyclictest22506-21munin-node12:49:250
154169914814,124cyclictest7752-21munin-node08:44:240
154169914814,124cyclictest30866-21fgrep09:54:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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