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2025-12-09 - 21:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack9slot4.osadl.org (updated Tue Dec 09, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10315114278sleep0-21swapper/109:04:111
106019911941cyclictest4002-21sshd13:30:010
106019911737cyclictest21377-21diskmemload13:59:590
106019911635cyclictest8537-21ssh14:34:320
221501150irq/18-spi_topc1060199cyclictest09:14:230
106019911337cyclictest5574-21/usr/sbin/munin10:29:560
106019911336cyclictest0-21swapper/011:29:270
106019911334cyclictest21455-21latency_hist11:14:270
106019911334cyclictest21455-21latency_hist11:14:270
10421111273sleep0-21swapper/009:04:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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