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2025-02-09 - 08:54
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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 Sun Feb 09, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501960,0irq/46-4a10000031097-21runrttasks19:00:280
7450960,0irq/46-4a1000009493-21/usr/sbin/munin19:32:390
7450960,0irq/46-4a10000027482-21cron00:01:370
7450950,0irq/46-4a1000007695-21fw_conntrack21:02:190
243982958,0sleep024431-21ls23:47:400
7450940,0irq/46-4a100000347-21grep20:41:420
7450940,0irq/46-4a1000002505-21ntpq22:33:390
7450940,0irq/46-4a10000023292-21nfs4_client20:13:040
7450940,0irq/46-4a10000021300-21/usr/sbin/munin21:47:220
7450930,0irq/46-4a1000006139-21irqstats20:57:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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