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2026-03-22 - 16:55
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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 rackbslot4.osadl.org (updated Sun Mar 22, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
681399742,35cyclictest18078-21/usr/sbin/munin08:11:490
681399714,61cyclictest0-21swapper/011:43:570
681399712,63cyclictest18783-21timerwakeupswit08:56:510
681399712,63cyclictest18783-21timerwakeupswit08:56:510
6813997116,49cyclictest14900-21sort08:51:490
681399702,62cyclictest3092-21/usr/sbin/munin07:31:450
681399702,62cyclictest18641-21/usr/sbin/munin06:46:560
681399682,60cyclictest23693-21/usr/sbin/munin08:21:460
681399682,60cyclictest20512-21/usr/sbin/munin06:51:460
681399682,60cyclictest1224-21/usr/sbin/munin07:26:400
6813996819,44cyclictest3080-21fschecks_time10:46:330
6813996812,50cyclictest0-21swapper/008:45:060
681399675,56cyclictest0-21swapper/010:56:360
681399674,57cyclictest0-21swapper/010:31:190
681399674,57cyclictest0-21swapper/010:02:030
681399673,58cyclictest19189-21ssh11:07:060
681399673,58cyclictest19189-21ssh11:07:060
681399672,60cyclictest25221-21runrttasks10:31:510
681399672,59cyclictest6672-21chrt11:34:350
681399672,59cyclictest4961-21/usr/sbin/munin07:36:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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