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2026-04-09 - 10:11
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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 Thu Apr 09, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2314899252227cyclictest27418-21ntp_kernel_err23:53:540
2314899249223cyclictest24520-21sh23:42:060
2314899249220cyclictest28775-21munin-node0
2314899249166cyclictest2726-21lxpanel22:18:430
2314899248219cyclictest29001-21sh21:50:560
2314899247216cyclictest1289-21netwatch19:52:470
2314899246222cyclictest26090-21ls21:38:570
2314899246221cyclictest13028-21munin-run22:56:480
2314899246220cyclictest18431-21fschecks_time23:17:580
2314899245214cyclictest26693-21date19:22:100
2314899244220cyclictest13929-21sendmail_mailtr22:59:240
2314899244219cyclictest7947-21cpu22:36:570
2314899244219cyclictest21794-21latency_hist21:22:280
2314899244193cyclictest17863-21ssh23:15:430
2314899243219cyclictest6168-21munin-node0
2314899243176cyclictest21626-21munin-node0
2314899242217cyclictest30934-21ping19:40:330
2314899242217cyclictest1089-21awk22:09:020
2314899242216cyclictest21158-21latency23:28:280
2314899242214cyclictest11143-21ssh22:48:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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