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2026-07-08 - 09:54
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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 Wed Jul 08, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502600,0irq/46-4a1000002045-1kworker/u3:219:05:560
318682938,0sleep0438-21snmpd22:04:370
7350910,0irq/45-4a10000018062-21df_inode22:59:310
7350900,0irq/45-4a100000438-21snmpd22:40:110
132572906,0sleep013258-21meminfo21:09:510
7450880,0irq/46-4a10000018752-21unixbench_singl00:35:070
7450880,0irq/46-4a10000015521-1kworker/u3:100:27:430
7350880,0irq/45-4a10000028231-21/usr/sbin/munin20:19:240
235372880,0chrt22399-1kworker/u3:021:40:010
7450870,0irq/46-4a1000008919-21seq22:32:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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