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2026-04-24 - 16:08
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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 Fri Apr 24, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271912199022sleep27190-21awk07:02:000
2776799269241cyclictest30899-21ssh11:51:190
2776799261129cyclictest26533-21sh11:33:130
2776799261127cyclictest11135-21runrttasks10:31:330
2776799259127cyclictest7710-21runrttasks07:59:550
2776799258105cyclictest14625-21ssh10:44:590
2776799257124cyclictest2027-21ssh09:54:380
277679925669cyclictest23710-21latency_hist09:11:570
2776799256128cyclictest12631-21entropy10:37:190
2776799256116cyclictest22505-21diskmemload12:07:420
2776799255131cyclictest25027-21latency_hist09:17:030
2776799255123cyclictest9072-21if_err_eth010:22:480
2776799255123cyclictest18376-21if_eth008:47:100
2776799254124cyclictest11097-1kworker/0:2H10:09:130
2776799254110cyclictest6169-21latency_hist12:22:050
2776799253126cyclictest3554-21fschecks_count07:41:570
2776799253123cyclictest11593-21if_err_eth008:17:120
2776799253110cyclictest31502-21munin-node0
2776799253107cyclictest4453-21ssh12:14:520
2776799251128cyclictest20421-21latency_hist08:56:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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