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2025-09-18 - 10:19
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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 Sep 18, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
735011000,0irq/45-4a1000003714-1kworker/u3:119:02:100
178272920,0sleep017618-1kworker/u3:400:04:180
7450910,0irq/46-4a10000027920-1kworker/u3:223:13:060
7450910,0irq/46-4a10000018478-21date20:52:050
7450900,0irq/46-4a10000032170-21/usr/sbin/munin19:57:180
7450900,0irq/46-4a10000026889-21sed22:57:050
7450900,0irq/46-4a10000021693-1kworker/u3:121:02:470
7450900,0irq/46-4a1000001812-1kworker/u3:121:40:240
7450900,0irq/46-4a10000014831-21/usr/sbin/munin19:07:420
84552890,0chrt27812-1kworker/u3:222:02:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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