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2025-08-31 - 02:37
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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 20 highest latencies:
System rackaslot6.osadl.org (updated Sat Aug 30, 2025 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238294099394,32cyclictest2436663-21latency_hist09:50:016
2382931993722,12cyclictest0-21swapper/108:22:541
238294099368,25cyclictest1127-21dockerd11:35:006
238294099360,33cyclictest0-21swapper/607:30:176
238294099350,19cyclictest0-21swapper/607:44:036
2382941993430,2cyclictest711ktimers/710:57:067
238294099341,29cyclictest2475446-21apt-get11:45:146
238294099324,25cyclictest2457224-21/usr/sbin/munin10:50:196
238294099324,24cyclictest2414395-21switchtime08:40:466
238294099321,28cyclictest2453677-21apt-get10:40:146
238294099320,28cyclictest1151-21containerd12:36:126
2382938993227,2cyclictest2433801-21grep09:40:175
2382931993214,2cyclictest0-21swapper/107:40:131
238293199321,2cyclictest0-21swapper/109:05:131
2382931993212,2cyclictest0-21swapper/110:35:141
238294099312,25cyclictest2487327-21df_abs12:20:186
2382940993120,9cyclictest2384562-21kworker/u16:12+rpciod07:37:426
238294099311,26cyclictest3680002-21containerd12:26:016
238294099310,28cyclictest0-21swapper/608:45:016
238294099310,25cyclictest2478334-21kworker/u16:5+xprtiod11:58:216
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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