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2026-09-05 - 23:22
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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 rack4slot2.osadl.org (updated Sat Sep 05, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010070,0irq/46-4a10000016786-1kworker/u3:007:08:270
17362999478,0cyclictest4728-21/usr/sbin/munin08:05:190
17362999376,0cyclictest11811-21if_eth011:35:310
17362999373,0cyclictest22716-21seq08:56:560
17362999371,0cyclictest12777-21runrttasks10:04:180
17362999369,0cyclictest31396-21runrttasks10:57:470
17362999366,0cyclictest0-21swapper07:20:510
17362999273,0cyclictest5747-21seq11:17:300
17362999272,0cyclictest0-21swapper09:20:400
17362999171,0cyclictest19598-21seq10:24:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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