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2026-06-21 - 19:39
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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 rack4slot3.osadl.org (updated Sun Jun 21, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217969914814,124cyclictest6505-21open_files11:34:460
217969914714,63cyclictest25975-21munin-node10:54:500
217969914614,122cyclictest30102-21wget11:09:130
217969914515,32cyclictest7709-21munin-node11:39:220
217969914415,119cyclictest31838-21grep07:54:210
217969914115,39cyclictest21738-21sshd12:22:230
217969914115,117cyclictest8294-21uptime08:19:590
217969914115,117cyclictest3568-21runrttasks10:17:200
217969914114,56cyclictest4160-21seq09:49:110
217969914114,117cyclictest15902-21fschecks_time12:04:240
217969914014,117cyclictest3568-21runrttasks12:10:230
217969913915,114cyclictest170282sleep008:49:130
217969913818,51cyclictest28252-21ls07:44:010
217969913815,113cyclictest19083-21smartctl10:34:250
217969913813,116cyclictest14230-21fschecks_time11:59:210
217969913715,61cyclictest12843-21munin-node08:34:460
217969913715,60cyclictest3568-21runrttasks10:31:290
217969913714,57cyclictest25296-21munin-node12:34:210
217969913616,58cyclictest12668-21munin-node11:54:230
217969913616,54cyclictest19242-21munin-node12:14:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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