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2025-11-16 - 14:53
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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 10 highest latencies:
System rack5slot7.osadl.org (updated Sun Nov 16, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19892224352190,96sleep00-21swapper05:40:510
199699910844,21cyclictest6578-21ssh10:51:400
199699910519,24cyclictest23453-21ssh10:04:010
199699910317,65cyclictest25838-21df10:11:590
199699910222,40cyclictest17787-21df_inode09:47:040
199699910216,64cyclictest31147-21memory08:47:280
199699910214,66cyclictest5018-21df_inode09:07:060
199699910214,22cyclictest14511-21ssh07:56:040
199699910212,25cyclictest4263-21ssh09:04:360
199699910210,27cyclictest21785-21snmpd08:34:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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