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2026-05-07 - 05:39
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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 20 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
7450800,0irq/46-4a10000029369-21chrt00:18:570
7350800,0irq/45-4a1000003556-21runrttasks23:02:400
19581998057,0cyclictest0-21swapper21:19:490
7450790,0irq/46-4a1000007906-21ls20:05:170
7450790,0irq/46-4a1000007804-21tune2fs21:40:090
7450790,0irq/46-4a1000004467-1kworker/u3:119:59:480
7450790,0irq/46-4a10000030860-1kworker/u3:119:45:330
7450790,0irq/46-4a1000002301-21cut21:24:500
7450790,0irq/46-4a10000012314-21chrt20:19:280
7350790,0irq/45-4a100000484-21runrttasks22:44:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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