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2026-09-22 - 10:00
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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 Sep 22, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502660,0irq/45-4a100000182152sleep019:06:560
7450850,0irq/46-4a10000011370-21runrttasks20:20:150
7350850,0irq/45-4a100000840-21df_inode22:59:550
18583998554,0cyclictest0-21swapper23:50:370
1686828514,0sleep016921-21head20:35:300
7350840,0irq/45-4a10000024676-21df00:09:520
7350840,0irq/45-4a10000021367-21diskstats00:00:000
7350830,0irq/45-4a1000002109-21munin-run21:29:340
7350830,0irq/45-4a10000017599-21/usr/sbin/munin22:15:390
7350820,0irq/45-4a1000009350-21df_abs21:49:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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