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2025-11-25 - 10:41
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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 Tue Nov 25, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7164210010,0chrt7083-1kworker/u3:219:08:010
74501000,0irq/46-4a1000003004-21sshd20:28:300
1481429810,0sleep014805-21apt-get19:28:270
7450950,0irq/46-4a10000032723-21proc_pri20:19:070
7450940,0irq/46-4a10000013523-21chrt22:33:300
7450940,0irq/46-4a10000013241-21seq20:58:240
7450930,0irq/46-4a1000004858-21/usr/sbin/munin23:44:140
7450930,0irq/46-4a10000032608-21uniq23:29:050
7450930,0irq/46-4a10000031198-21memory23:24:450
7450930,0irq/46-4a10000030413-21/usr/sbin/munin20:13:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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