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2025-10-10 - 08:14
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Fri Oct 10, 2025 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47992179019sleep4800-21munin-node0
545699261133cyclictest6776-21munin-node0
545699255131cyclictest6753-21latency_hist23:53:260
545699255129cyclictest14725-21chrt19:47:580
545699254119cyclictest23992-21munin-run22:47:510
545699253126cyclictest14648-21df00:28:150
545699252133cyclictest2409-21memory23:34:310
545699252122cyclictest11691-21ping00:14:260
54569925094cyclictest7686-21sendmail23:57:440
54569925089cyclictest13429-21netwatch19:42:160
545699250121cyclictest26904-21missed_timers22:59:380
545699250114cyclictest2421-21missed_timers21:14:490
545699249115cyclictest16960-21cpu19:57:560
545699248114cyclictest2872-21snmpd22:36:400
545699247129cyclictest2720-21lxpanel21:44:520
545699247120cyclictest26327-21cpu22:57:560
545699246123cyclictest6834-21ssh21:33:390
54569924588cyclictest2938-21runrttasks22:38:380
54569924588cyclictest11892-21rt-features19:34:450
545699245122cyclictest30927-21cpuspeed23:18:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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