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2026-04-27 - 10:29
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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 Mon Apr 27, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502810,0irq/46-4a10000012-21ksoftirqd/019:01:320
274262940,0sleep026324-1kworker/u3:222:55:410
232312920,0sleep021361-1kworker/u3:100:19:140
7350890,0irq/45-4a10000030702-21perl21:30:320
321782890,0sleep030115-1kworker/u3:223:10:180
7350880,0irq/45-4a10000018383-21runrttasks19:20:150
304962887,0sleep030502-21df19:55:190
7350870,0irq/45-4a10000021616-21runrttasks00:15:030
110802870,0sleep010389-1kworker/u3:020:32:520
7450860,0irq/46-4a10000020345-21seq19:25:280
7450860,0irq/46-4a10000018539-21runrttasks00:05:180
136682860,0chrt11068-1kworker/u3:123:50:370
7450850,0irq/46-4a100000460-21snmpd23:24:540
7450850,0irq/46-4a10000021796-21wget19:30:150
7450850,0irq/46-4a10000014916-21munin-node19:10:310
7350850,0irq/45-4a10000016399-21runrttasks23:59:170
7450840,0irq/46-4a1000005347-21chrt21:50:520
7450840,0irq/46-4a100000460-21snmpd22:39:360
7450840,0irq/46-4a10000026759-21tr22:55:040
7450840,0irq/46-4a1000001704-21idleruntime20:05:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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