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2026-05-03 - 07:02
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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 rack7slot3.osadl.org (updated Sun May 03, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35572183219sleep3556-21wc19:06:130
357499263234cyclictest32361-21ssh21:12:310
357499252226cyclictest9604-21munin-plugin-st00:01:050
357499251227cyclictest1785-21ifplugd21:52:250
357499251186cyclictest25354-21sendmail_mailst22:53:350
357499248220cyclictest12697-21ssh22:03:280
357499248215cyclictest19479-21ssh22:31:230
357499247219cyclictest10315-21munin-run19:36:080
357499247218cyclictest3592-21ssh21:27:150
357499247216cyclictest17196-21df20:06:230
357499246217cyclictest18619-21irqstats20:11:590
357499246181cyclictest3584-21sh23:36:270
357499245221cyclictest8784-21mailstats19:27:360
357499245215cyclictest7982-21ssh23:53:400
357499245215cyclictest26519-21if_eth020:46:540
357499244216cyclictest17894-21sort20:07:420
357499244215cyclictest1922-21munin-node0
357499242214cyclictest4050-21munin-node0
357499242180cyclictest15303-21ssh00:23:230
357499241217cyclictest2953-21runrttasks23:42:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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