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2026-03-15 - 00:25
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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 Sat Mar 14, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318958099335273,51cyclictest29-21kswapd007:46:060
318958099285255,18cyclictest3197077-21kworker/u2:207:37:480
318958099276247,19cyclictest29-21kswapd007:40:230
325833822610,2chrt3258340-21missed_timers11:15:280
318958099260229,20cyclictest29-21kswapd007:50:220
320704222490,3chrt3207040-21ld08:11:110
322649322450,3sleep03226494-21ntpq09:20:570
319425022280,4chrt3194249-21/usr/sbin/munin07:25:320
325723422270,3sleep03257237-21cut11:11:130
321074122270,2sleep03210743-21grep08:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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