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2026-09-03 - 16:04
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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 20 highest latencies:
System rack9slot4.osadl.org (updated Thu Sep 03, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6770112478sleep0-21swapper/118:51:141
6612111276sleep0-21swapper/018:51:060
229501000irq/18-spi_topc690299cyclictest21:11:231
689599968cyclictest0-21swapper/019:31:320
689599958cyclictest0-21swapper/022:16:410
689599958cyclictest0-21swapper/020:10:230
6895999519cyclictest0-21swapper/023:42:020
22950940irq/18-spi_topc689599cyclictest20:41:240
6895999310cyclictest0-21swapper/020:28:230
22950930irq/18-spi_topc690299cyclictest20:29:231
22950920irq/18-spi_topc690299cyclictest20:20:241
689599918cyclictest0-21swapper/018:51:360
689599917cyclictest0-21swapper/020:56:400
6895999080cyclictest6950irq/18-mmc018:56:300
689599908cyclictest0-21swapper/023:38:340
689599908cyclictest0-21swapper/023:38:340
22950900irq/18-spi_topc689599cyclictest22:06:240
689599898cyclictest0-21swapper/022:13:360
6895998978cyclictest6950irq/18-mmc000:02:000
689599889cyclictest0-21swapper/023:22:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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