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2026-04-22 - 18:12
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackaslot6.osadl.org (updated Wed Apr 22, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237565699411,5cyclictest2439094-21gltestperf4
237565299395,30cyclictest0-21swapper/00
237565299391,29cyclictest0-21swapper/00
237565799382,26cyclictest0-21swapper/55
237565299381,2cyclictest0-21swapper/00
237565299381,22cyclictest0-21swapper/00
237565299377,21cyclictest2421720-21kworker/u32:6+xprtiod0
2375652993721,12cyclictest2410148-21kworker/u32:17+xprtiod0
2375652993713,17cyclictest2401278-21ntp_kernel_err0
2375652993710,18cyclictest2402948-21ntpq0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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