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2025-07-07 - 21:53
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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 Jul 07, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1965053995249,2cyclictest2311011-21fwupd12:04:513
1965047992923,4cyclictest2305391-21ssh12:00:161
1965053992717,2cyclictest0-21swapper/311:35:193
196505199271,22cyclictest2152636-21apt-get10:00:162
196505199270,24cyclictest1975485-21latency_hist07:20:002
196504799276,1cyclictest2221028-21ssh10:50:351
1965047992722,3cyclictest2202312-21ssh10:36:301
196504799272,23cyclictest2189967-21seq10:27:311
196505399261,2cyclictest191rcu_preempt12:25:003
196505399261,20cyclictest191rcu_preempt09:50:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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