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2025-11-12 - 13:38
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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 Wed Nov 12, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20321224270,13sleep09402-1kworker/u3:017:36:460
215859910738,54cyclictest20450-21apt-get21:46:420
215859910720,47cyclictest29368-21memory22:12:470
215859910512,72cyclictest27157-21/usr/sbin/munin22:07:540
215859910420,62cyclictest23830-21apt-get21:56:490
215859910220,62cyclictest0-21swapper20:29:270
215859910219,23cyclictest24626-21munin-run20:21:270
215859910214,64cyclictest25311-21/usr/sbin/munin17:57:180
215859910118,22cyclictest927-21df_inode20:47:200
215859910113,51cyclictest11520-21ssh19:41:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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