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2026-04-14 - 05:08
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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 Tue Apr 14, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2707999276249cyclictest32596-21fschecks_time23:57:540
2707999263235cyclictest11744-21latency_hist20:21:490
2707999263203cyclictest4739-21entropy22:07:350
2707999262235cyclictest2726-21lxpanel23:38:190
2707999262232cyclictest4180-21ssh22:04:590
2707999261231cyclictest21868-21ssh23:14:500
2707999260236cyclictest7923-21chrt22:19:460
2707999260231cyclictest17610-21ssh22:57:510
2707999259232cyclictest877-21tune2fs21:52:480
270799925894cyclictest9268-21proc_pri00:33:530
270799925886cyclictest2834-21snmpd21:22:490
270799925769cyclictest8359-21ls20:06:500
2707999257232cyclictest31204-21diskmemload23:52:400
2707999257230cyclictest15963-21ssh22:51:400
2707999257230cyclictest1360-21latency_hist19:36:580
2707999257229cyclictest24685-21munin-node0
270799925673cyclictest22192-21ssh21:07:520
2707999256224cyclictest9626-21grep20:12:110
270799925495cyclictest27978-21cpu21:31:500
2707999254229cyclictest9253-21ssh22:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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