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2025-11-23 - 11:09
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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 Sun Nov 23, 2025 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
877199262214cyclictest29469-21ssh22:57:460
877199259233cyclictest7027-21cpu23:41:420
877199255228cyclictest8910-21df19:06:490
877199253227cyclictest5042-21ssh21:10:380
87719925169cyclictest17583-21cut00:27:400
877199251223cyclictest5192-21runrttasks23:32:560
877199250225cyclictest19711-21ssh22:14:500
877199248224cyclictest9517-21ssh21:30:110
877199248223cyclictest15115-21latency_hist00:17:090
877199248220cyclictest2720-21lxpanel22:31:400
877199248220cyclictest13993-21df_inode00:12:120
877199247221cyclictest14614-21latency_hist19:31:460
877199247183cyclictest14389-21awk21:51:510
877199246219cyclictest1260-21ssh23:16:550
877199246218cyclictest4730-21ssh23:31:390
877199246218cyclictest2520-21ssh23:22:120
877199246217cyclictest6786-21if_eth021:17:560
877199246214cyclictest10324-21ssh21:33:220
877199246212cyclictest5215-21munin-node0
877199246184cyclictest19709-21kworker/u2:020:02:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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