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2025-11-24 - 15:39
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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 Nov 24, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70990399331,29cyclictest921144-21apt-get10:20:111
70990399330,30cyclictest965109-21apt-config10:55:011
70990399310,3cyclictest901657-21munin-run10:05:001
70990399310,28cyclictest870867-21/usr/sbin/munin09:40:161
70990399301,2cyclictest934142-21ssh10:30:171
70990399301,2cyclictest1-21systemd10:00:001
70990399301,2cyclictest0-21swapper/110:25:121
70990399300,3cyclictest881423-21sshd09:45:451
70990399300,23cyclictest971444-21idleruntime-cro11:00:001
70990399290,3cyclictest1026809-21taskset11:41:071
70990399281,24cyclictest1041005-21apt-get11:55:141
70990399281,24cyclictest1041005-21apt-get11:55:141
70990399281,23cyclictest817305-21apt-get08:55:111
709903992810,9cyclictest0-21swapper/110:39:251
70990399280,2cyclictest862168-21ssh09:30:341
70990399280,2cyclictest862168-21ssh09:30:341
70990399280,2cyclictest856175-21ssh09:26:281
70990399280,1cyclictest913748-21ssh10:12:211
70990399280,1cyclictest1033546-21ssh11:47:271
70990199280,21cyclictest75-21kswapd011:54:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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