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2026-08-12 - 11:25
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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 Aug 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a10000024721-21kworker/0:119:04:570
73501010,0irq/45-4a10000018638-21chrt21:42:060
7350880,0irq/45-4a10000024418-21ls22:00:070
7450850,0irq/46-4a1000008718-21awk00:24:490
7450850,0irq/46-4a10000032654-21sendmail-msp00:01:400
7450850,0irq/46-4a10000024081-21kworker/u2:422:59:510
137322850,0chrt11649-1kworker/u3:100:39:160
7450840,0irq/46-4a1000003806-21aten_r4power_po21:00:020
7450840,0irq/46-4a10000025813-21sendmail-msp23:40:490
7350840,0irq/45-4a1000007445-21diskstats22:45:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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