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2026-06-25 - 23:38
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Thu Jun 25, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010540,0irq/46-4a10000027026-1kworker/u3:207:06:040
28088999673,0cyclictest0-21swapper08:05:350
28088999271,0cyclictest0-21swapper12:35:160
28088999169,0cyclictest0-21swapper08:55:140
28088999059,0cyclictest0-21swapper08:50:240
28088999057,0cyclictest0-21swapper09:40:470
28088999055,0cyclictest0-21swapper07:49:490
7350890,0irq/45-4a10000028086-21cyclictest07:27:290
7350890,0irq/45-4a10000013533-21chrt08:00:490
28088998958,0cyclictest0-21swapper11:50:040
28088998957,0cyclictest0-21swapper08:45:120
28088998953,0cyclictest0-21swapper09:30:190
7350880,0irq/45-4a10000017971-21tune2fs11:25:080
28088998866,0cyclictest0-21swapper11:30:150
28088998857,0cyclictest0-21swapper10:05:340
28088998857,0cyclictest0-21swapper07:10:320
28088998856,0cyclictest0-21swapper11:15:330
28088998855,0cyclictest0-21swapper12:20:330
7350870,0irq/45-4a1000007315-21modprobe09:19:470
7350870,0irq/45-4a10000026724-1kworker/u3:108:44:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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