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2026-05-16 - 16:51
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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 Sat May 16, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a10000012862-21runrttasks07:01:300
435529116,0sleep04375-21ntpdc09:45:040
13247999160,0cyclictest0-21swapper11:09:440
13247999158,0cyclictest0-21swapper10:55:100
7350900,0irq/45-4a10000012551-21runrttasks10:09:410
13247999055,0cyclictest0-21swapper08:54:510
13247998966,0cyclictest0-21swapper07:55:000
13247998957,0cyclictest0-21swapper07:44:520
13247998956,0cyclictest0-21swapper09:15:080
13247998866,0cyclictest0-21swapper12:05:120
13247998858,0cyclictest0-21swapper09:30:110
13247998856,0cyclictest0-21swapper12:25:030
13247998855,0cyclictest0-21swapper11:55:140
13247998852,0cyclictest0-21swapper07:59:430
7350870,0irq/45-4a10000013044-1kworker/u3:107:04:260
13247998756,0cyclictest0-21swapper12:00:060
13247998753,0cyclictest0-21swapper11:00:080
13247998663,0cyclictest0-21swapper07:29:440
13247998656,0cyclictest0-21swapper11:05:120
13247998654,0cyclictest0-21swapper12:09:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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