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2026-06-21 - 05:05
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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 Jun 21, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502490,0irq/46-4a1000004118-1kworker/u3:019:06:440
62219913044,0cyclictest5525-21/usr/sbin/munin20:40:130
62219913036,0cyclictest19597-21runrttasks19:45:420
62219912737,0cyclictest22613-21/usr/sbin/munin23:05:140
62219912637,0cyclictest13926-21/usr/sbin/munin22:40:050
62219912533,0cyclictest8800-21cpu22:25:050
62219912510,0cyclictest17484-21diskstats19:40:120
62219912333,0cyclictest16949-21runrttasks19:39:140
62219912331,0cyclictest24540-21runrttasks20:00:310
62219912326,0cyclictest19320-21fw_conntrack22:55:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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