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2026-05-13 - 06:27
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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 May 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509800,0irq/46-4a10000015430-1kworker/u3:219:02:570
7450960,0irq/46-4a10000024640-21chrt20:57:470
7450950,0irq/46-4a1000008564-21/usr/sbin/munin23:20:130
7450950,0irq/46-4a1000007764-21latency_hist21:44:260
7350940,0irq/45-4a10000025591-21meminfo22:35:080
7450930,0irq/46-4a1000009964-21fschecks_count21:49:540
7450930,0irq/46-4a1000006945-21/usr/sbin/munin23:15:170
7450930,0irq/46-4a10000031519-1kworker/u3:022:59:350
7450930,0irq/46-4a10000030439-21fschecks_count22:49:520
7450930,0irq/46-4a10000030322-21seq21:14:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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