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2025-06-21 - 22:05
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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 Sat Jun 21, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010600,0irq/46-4a100000456-1kworker/u3:006:55:040
7119912655,0cyclictest7350irq/45-4a10000010:32:320
7119912439,0cyclictest0-21swapper10:54:120
7119912342,0cyclictest0-21swapper08:05:040
7119912252,0cyclictest7350irq/45-4a10000008:37:040
7119912241,0cyclictest0-21swapper09:48:010
7119912239,0cyclictest0-21swapper08:28:090
7119912150,0cyclictest0-21swapper11:22:330
7119912140,0cyclictest0-21swapper11:27:200
7119912140,0cyclictest0-21swapper06:57:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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