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2026-04-16 - 15:16
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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 Apr 16, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010320,0irq/46-4a10000012-21ksoftirqd/007:03:350
7350940,0irq/45-4a10000015885-21grep08:46:290
12451999370,0cyclictest0-21swapper09:25:530
12451999059,0cyclictest0-21swapper08:31:180
12451999058,0cyclictest0-21swapper07:56:020
7350890,0irq/45-4a1000009878-21cpu10:05:420
12451998968,0cyclictest0-21swapper09:56:230
12451998958,0cyclictest0-21swapper07:21:290
12451998857,0cyclictest0-21swapper07:46:020
12451998856,0cyclictest0-21swapper12:06:210
12451998856,0cyclictest0-21swapper09:00:520
12451998856,0cyclictest0-21swapper08:01:220
12451998854,0cyclictest0-21swapper07:40:380
12451998853,0cyclictest0-21swapper10:45:450
7350870,0irq/45-4a10000013455-1kworker/u3:207:09:430
12451998765,0cyclictest0-21swapper07:51:190
12451998755,0cyclictest0-21swapper12:26:130
12451998752,0cyclictest0-21swapper11:21:180
290382867,0sleep029052-21irqstats11:01:060
152832860,0sleep014666-1kworker/u3:210:20:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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