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2026-07-26 - 00:36
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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 Jul 25, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74508890,0irq/46-4a10000016713-1kworker/u3:207:05:580
240242978,0sleep024025-21/usr/sbin/munin12:13:530
7450930,0irq/46-4a10000019071-21fw_conntrack10:24:010
7450930,0irq/46-4a10000010531-1kworker/u3:108:24:460
17205999358,0cyclictest0-21swapper11:34:100
126942938,0sleep012728-21awk11:39:370
7450920,0irq/46-4a10000029345-21fw_forwarded_lo07:44:010
7450920,0irq/46-4a10000027740-21meminfo12:24:080
7450920,0irq/46-4a10000017447-21chrt10:19:110
7450920,0irq/46-4a10000017289-21fschecks_time11:53:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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