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2025-11-08 - 23:04
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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 Sat Nov 08, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3250921771131sleep32510-21sleep07:05:440
3266099256222cyclictest2515-21ssh12:00:050
3266099256191cyclictest5059-21diskmemload09:48:100
3266099255231cyclictest4096-21ssh09:43:380
3266099252224cyclictest2720-21lxpanel11:46:210
3266099251226cyclictest8505-21if_eth010:03:160
3266099251222cyclictest27388-21rm11:27:270
3266099250226cyclictest27997-21chrt11:29:220
3266099250224cyclictest13283-21munin-node0
3266099250222cyclictest30678-21ssh11:42:040
3266099250219cyclictest30293-21ssh09:17:130
3266099248223cyclictest17758-21df_inode08:22:240
3266099248222cyclictest11310-21ssh10:16:180
3266099246221cyclictest14913-21timerandwakeup08:08:530
3266099245218cyclictest2462-21ssh09:37:380
3266099245213cyclictest10936-21munin-node12:37:030
3266099243213cyclictest28954-21ifplugd08:59:420
3266099243212cyclictest27891-21diskmemload12:03:540
3266099242217cyclictest2872-21snmpd10:30:530
3266099242217cyclictest21938-21sleep11:02:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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