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2026-03-22 - 03:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Sun Mar 22, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501920,0irq/46-4a1000001961-21runrttasks19:05:360
21179912635,0cyclictest27729-21timerwakeupswit23:27:250
21179912538,0cyclictest6984-21/usr/sbin/munin19:17:160
21179912534,0cyclictest8569-21sshd00:07:100
21179912534,0cyclictest4886-21fschecks_count19:12:100
21179912342,0cyclictest24825-21runrttasks20:11:030
21179912335,0cyclictest15133-21sort00:26:520
21179912333,0cyclictest25900-21grep20:12:210
21179912332,0cyclictest10672-21ls00:12:250
21179912331,0cyclictest8820-21cat20:57:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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