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2026-05-03 - 22:04
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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 Sun May 03, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502050,0irq/45-4a10000028560-21runrttasks07:04:340
286739912640,0cyclictest1026-21/usr/sbin/munin12:00:460
286739912543,0cyclictest0-21swapper09:40:340
286739912442,0cyclictest0-21swapper07:10:020
286739912432,0cyclictest5937-21/usr/sbin/munin09:05:280
286739912430,0cyclictest5786-21fschecks_count07:30:190
286739912341,0cyclictest7172-21/usr/sbin/munin09:09:590
286739912340,0cyclictest0-21swapper10:33:410
286739912252,0cyclictest0-21swapper07:59:560
286739912252,0cyclictest0-21swapper07:25:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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