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2026-05-07 - 04:12
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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 Thu May 07, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502750,0irq/46-4a10000012-21ksoftirqd/019:02:080
7350870,0irq/45-4a10000011292-21irqstats21:50:170
7350850,0irq/45-4a1000005521-21munin-run21:34:420
298092848,0sleep029812-21df00:19:570
7350830,0irq/45-4a1000004536-21meminfo19:55:180
7350830,0irq/45-4a10000014845-21/usr/sbin/munin22:00:260
7350820,0irq/45-4a1000009263-21df20:09:580
7350820,0irq/45-4a10000016346-21fw_forwarded_lo20:30:120
7350810,0irq/45-4a1000004212-21sed23:04:570
7350810,0irq/45-4a10000021655-21munin-node19:09:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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