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2026-04-17 - 23:57
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 17, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311181299309275,22cyclictest3120848-21ntpq07:41:040
311181299295265,20cyclictest29-21kswapd007:45:200
311181299264233,20cyclictest29-21kswapd008:46:130
317621422630,3chrt3176215-21awk11:00:210
311832422550,3chrt3118321-21users07:31:230
314026822540,2sleep03140270-21ntpq08:50:460
315953622500,2sleep03159537-21/usr/sbin/munin10:00:210
312920822440,3chrt3129206-21ld08:11:030
315140422420,3chrt3151401-21ntpq09:30:470
312863222380,2sleep03128633-21latency_hist08:10:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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