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2026-05-12 - 01:38
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Mon May 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2374313992825,2cyclictest134-1kworker/1:1H+kblockd12:38:031
2374312992826,1cyclictest2691015-21kworker/0:2+pm12:38:020
237431799271,24cyclictest2629473-21idleruntime-cro11:19:593
237431699272,21cyclictest2537424-21apt-get09:50:132
237431799262,21cyclictest2552614-21apt-get10:05:123
2374317992618,6cyclictest2456929-21grep08:30:173
237431399262,21cyclictest2425593-21apt-get08:00:111
2374317992520,3cyclictest2588409-21apt-get10:40:113
237431799251,22cyclictest2507124-21apt-get09:20:123
237431699251,4cyclictest2625193-21cut11:15:182
237431299252,22cyclictest2451385-21apt-get08:25:120
2374317992419,3cyclictest2676154-21apt-get12:05:123
237431799241,3cyclictest2390315-21cut07:25:153
237431799241,2cyclictest2415061-21apt-get07:50:123
237431799241,22cyclictest2674982-21ntpq12:00:213
237431799241,21cyclictest0-21swapper/311:20:123
2374316992420,2cyclictest2578326-21apt-get10:30:132
2374316992420,2cyclictest2389812-21apt-get07:25:122
2374316992418,4cyclictest2521989-21cron09:35:002
237431699241,21cyclictest2609099-21apt-get11:00:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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