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2025-11-25 - 16:18
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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 rack5slot7.osadl.org (updated Tue Nov 25, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28711223992171,174sleep00-21swapper05:38:550
289549910929,49cyclictest0-21swapper08:42:590
289549910516,66cyclictest24941-21apt-get08:01:060
289549910417,25cyclictest29114-21munin-run09:55:490
289549910318,46cyclictest29607-21fw_conntrack09:56:470
289549910313,49cyclictest6789-21wget08:46:190
289549910217,63cyclictest5222-21fw_conntrack10:21:420
289549910215,70cyclictest0-21swapper08:23:290
289549910215,23cyclictest18921-21ssh11:02:500
289549910134,50cyclictest0-21swapper10:05:440
289549910018,21cyclictest10043-21ssh10:36:380
289549910012,27cyclictest7006-21ssh10:27:060
289549910010,26cyclictest4698-21ssh08:39:150
28954999926,63cyclictest0-21swapper10:16:100
28954999914,65cyclictest16596-21df10:56:460
28954999914,47cyclictest20593-21sed07:46:320
28954999913,65cyclictest9168-21ssh10:33:130
2895499988,68cyclictest25961-21sort09:45:540
28954999831,52cyclictest0-21swapper10:47:450
28954999830,51cyclictest0-21swapper09:29:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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