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2025-12-10 - 19:45
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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 Dec 10, 2025 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1135224990,12sleep024542-1kworker/u3:105:36:040
16709916618,101cyclictest22509-21apt-get11:05:200
16709916417,104cyclictest29491-21apt-get09:45:220
16709916222,116cyclictest16385-21fw_conntrack09:01:010
16709916220,117cyclictest3438-21apt-get10:05:220
16709916018,115cyclictest20660-21apt-get09:15:220
16709916012,123cyclictest26974-21/usr/sbin/munin07:51:020
16709916011,124cyclictest25522-21ssh07:45:290
16709915917,117cyclictest3326-21munin-run10:05:060
16709915817,118cyclictest20887-21apt-get11:00:210
16709915817,101cyclictest23448-21apt-get09:25:220
16709915817,101cyclictest11423-21apt-get10:30:220
16709915814,119cyclictest18563-21ssh09:07:320
16709915717,112cyclictest31605-21apt-get08:05:200
16709915617,115cyclictest7056-21irqstats10:16:080
16709915615,117cyclictest8202-21apt-get10:20:290
16709915615,117cyclictest19254-21apt-get10:55:200
16709915614,101cyclictest11473-21apt-get08:45:290
16709915518,114cyclictest13850-21users10:36:450
16709915515,101cyclictest28120-21df09:40:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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