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2025-11-21 - 13:25
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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 rackeslot4.osadl.org (updated Fri Nov 21, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
404650799320,23cyclictest210166-21idleruntime-cro00:15:000
404650799320,22cyclictest229506-21sleep00:30:000
404650799320,22cyclictest203595-21ssh00:09:020
4046507993119,10cyclictest131964-21ntpq23:10:210
404650799309,19cyclictest0-21swapper/000:00:010
4046507993019,9cyclictest234814-21sshd00:31:490
404650799301,2cyclictest0-21swapper/021:10:110
404650799300,3cyclictest165333-21sh23:39:560
404650799300,2cyclictest4170321-21diskmemload22:19:500
404650799300,22cyclictest39750-21ssh21:59:230
4046507992920,7cyclictest4189497-21apt-get21:25:110
404650799291,27cyclictest0-21swapper/000:19:590
404650799290,2cyclictest4170321-21diskmemload23:21:440
4046507992818,9cyclictest4181937-21ssh21:17:000
4046507992816,10cyclictest0-21swapper/020:55:010
404650799281,21cyclictest4056951-21apt-get19:20:110
404650799281,1cyclictest0-21swapper/023:02:080
404650799280,2cyclictest223173-21cron00:24:590
404650799280,2cyclictest0-21swapper/021:40:120
404650799280,20cyclictest65801-21grep22:20:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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