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2025-09-17 - 15:53
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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 20 highest latencies:
System rack5slot7.osadl.org (updated Wed Sep 17, 2025 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29236224352195,89sleep00-21swapper05:41:510
295299915483,47cyclictest23082-21ssh07:59:140
295299915376,52cyclictest15618-21find09:15:420
295299915179,49cyclictest9957-21modprobe08:59:100
295299915175,53cyclictest19668-21basename11:09:420
295299915080,48cyclictest32361-21apt-get10:09:320
295299915076,52cyclictest18608-21sort09:25:300
295299914974,50cyclictest8386-21date08:54:160
295299914876,49cyclictest13728-21ssh09:10:200
295299914873,49cyclictest3755-21proc_pri06:20:100
295299914773,35cyclictest6659-21unixbench_singl06:35:170
295299914772,52cyclictest5378-21ls08:44:480
295299914676,47cyclictest31931-21sed08:25:480
295299914674,50cyclictest28161-21grep09:55:410
295299914674,47cyclictest1914-21ssh08:34:250
295299914671,55cyclictest15638-21ssh10:56:140
295299914671,51cyclictest12915-21ssh09:07:480
295299914580,48cyclictest19134-21grep07:45:580
295299914577,33cyclictest7174-21threads10:30:480
295299914575,49cyclictest17285-21ps07:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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