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2026-05-19 - 07:50
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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 May 19, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502540,0irq/46-4a10000031387-1kworker/u3:219:03:340
7450960,0irq/46-4a1000009059-21grep00:14:560
7450960,0irq/46-4a1000007680-21timerandwakeup22:35:060
7450960,0irq/46-4a10000027515-21df_inode21:59:310
225022960,0sleep014814-1kworker/u3:120:09:390
7450950,0irq/46-4a10000025717-21runrttasks20:19:260
7450940,0irq/46-4a10000022350-21df21:44:290
7450940,0irq/46-4a1000001901-21df_inode23:54:330
7450940,0irq/46-4a10000015158-21sendmail-msp00:34:120
7450940,0irq/46-4a10000014968-1kworker/u3:221:28:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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