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2025-11-29 - 12:28
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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 Nov 28, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509280,0irq/46-4a10000012-21ksoftirqd/007:04:270
7450950,0irq/46-4a10000020747-21ntpq11:49:560
7450940,0irq/46-4a1000002644-21runrttasks09:23:060
238572949,0sleep023882-21ls08:49:390
7450930,0irq/46-4a10000027286-21seq08:59:340
7450930,0irq/46-4a10000026722-21aten_r4power_en10:33:160
7350930,0irq/45-4a1000004385-21/usr/sbin/munin09:28:170
20589999360,0cyclictest0-21swapper07:38:480
20589999358,0cyclictest0-21swapper10:54:070
7450920,0irq/46-4a10000029863-21https09:08:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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