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2026-06-21 - 22:23
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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 Sun Jun 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2804855995248,2cyclictest3044011-21fwupd11:03:243
280485099320,5cyclictest2856171-21sed08:00:171
280485399310,5cyclictest2856172-21grep08:00:172
280485399300,28cyclictest3777322-21systemd-journal08:05:222
280485099301,20cyclictest0-21swapper/111:55:001
280485399290,26cyclictest0-21swapper/209:55:092
2804850992911,9cyclictest2911335-21unixbench_singl08:50:251
280485599282,22cyclictest3126395-21apt-get12:25:123
280485399282,7cyclictest2953019-21apt-get09:35:112
2804853992820,6cyclictest0-21swapper/210:20:002
2804853992819,7cyclictest2881020-21cron08:24:592
280485399281,23cyclictest3136924-21apt-get12:35:112
280485399280,2cyclictest2998940-21basename10:20:112
280485399280,2cyclictest2992450-21ps10:10:242
280485399280,26cyclictest0-21swapper/210:50:112
2804850992818,8cyclictest2881023-21ls08:24:591
280485099281,25cyclictest0-21swapper/110:50:111
280485099280,2cyclictest3039117-21cron11:00:001
280485099280,26cyclictest0-21swapper/111:30:031
280485099280,22cyclictest0-21swapper/108:55:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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