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2025-11-18 - 18:18
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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 Tue Nov 18, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2328896994441,2cyclictest2564963-21fwupd10:37:343
232889699305,23cyclictest534-21gdbus08:05:003
232888899283,21cyclictest2344654-21apt-get07:25:131
2328884992819,3cyclictest2692669-21apt-get12:20:130
232889699261,21cyclictest0-21swapper/308:20:123
232889699260,24cyclictest2500768-21ssh09:45:223
232889199261,20cyclictest2610512-21apt-get11:15:132
2328888992617,6cyclictest2641613-21cron11:40:001
232889699252,20cyclictest2553121-21apt-get10:30:143
232889699251,4cyclictest2427813-21grep08:45:183
232889699251,2cyclictest2447790-21apt-get09:05:133
232889699251,21cyclictest2452601-21diskmemload12:20:103
232889699250,23cyclictest2715401-21grep12:35:233
232889699250,21cyclictest2540635-21ssh10:20:123
232889699250,21cyclictest0-21swapper/307:35:133
232889199251,21cyclictest2591632-21apt-get11:00:142
232889199251,21cyclictest2391282-21apt-get08:10:142
232889199251,21cyclictest2359912-21apt-get07:40:112
232888899251,20cyclictest2452929-21apt-get09:10:121
232888899251,20cyclictest2452601-21diskmemload09:40:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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