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2026-04-09 - 23:14
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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 Thu Apr 09, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
336089899350320,19cyclictest29-21kswapd007:37:470
336089899321291,19cyclictest29-21kswapd011:36:020
337505822850,4chrt3375060-21grep08:00:130
336089899284211,19cyclictest29-21kswapd011:40:240
336128622800,2sleep03361284-21memory07:10:290
336559122540,3chrt3365588-21ntpq07:25:420
345234822510,2sleep03452349-21readlink12:36:170
337087222460,3chrt3370870-21/usr/sbin/munin07:45:130
340144822360,2chrt3401450-21sort09:35:070
341882122350,3chrt3418823-21awk10:36:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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