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2026-09-08 - 02:12
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot4.osadl.org (updated Mon Sep 07, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2169299993532,2cyclictest2384162-21grep10:40:171
216929999300,2cyclictest2277401-21cut08:55:151
2169296993028,1cyclictest509-21systemd-logind07:25:000
216929999290,1cyclictest0-21swapper/110:45:121
2169299992818,1cyclictest0-21swapper/107:20:131
216930599271,21cyclictest2441209-21apt-get11:35:103
2169299992717,2cyclictest2399863-21ps10:55:151
2169299992717,2cyclictest2398217-21ntpq10:50:261
216930599262,20cyclictest2246039-21apt-get08:25:123
2169305992618,6cyclictest2420994-21grep11:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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