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2026-04-03 - 10:44
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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 Fri Apr 03, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501920,0irq/46-4a1000003050-21/usr/sbin/munin19:01:200
7350970,0irq/45-4a1000009130-21/usr/sbin/munin20:51:450
2543229717,0sleep025439-21munin-run20:06:010
7450950,0irq/46-4a10000014260-21/usr/sbin/munin19:31:450
304562950,0sleep028792-1kworker/u3:223:30:210
7450930,0irq/46-4a1000006396-21entropy19:11:160
7450930,0irq/46-4a1000005429-21grep20:41:240
7450930,0irq/46-4a10000027575-21df_inode23:21:190
7450920,0irq/46-4a10000019376-21ntp_kernel_err19:46:460
7450920,0irq/46-4a10000016016-21ntp_offset00:21:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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