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2026-04-15 - 07:59
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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 20 highest latencies:
System rack4slot3.osadl.org (updated Wed Apr 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202789915014,72cyclictest21911-21latency_hist21:02:000
202789915014,68cyclictest29062-21needreboot21:22:390
202789914914,69cyclictest13896-21chrt23:56:470
202789914715,65cyclictest2934-21munin-node23:22:230
202789914415,67cyclictest24236-21missed_timers22:47:360
202789914314,65cyclictest19542-21munin-node20:52:500
202789914214,37cyclictest9576-21if_eth023:42:250
202789914114,67cyclictest25875-21latency00:32:330
202789913914,65cyclictest31125-21munin-node21:28:010
202789913714,67cyclictest17870-21open_files22:27:450
202789913714,64cyclictest1948-21unixbench_singl23:17:560
19624211117,21sleep019628-21users19:12:420
190221100,4sleep01903-21awk21:37:590
2551629913,15sleep025160-21munin-node19:32:250
20278999615,72cyclictest14814-21ls22:17:490
20278999514,71cyclictest15622-21hostname22:22:120
20278999415,70cyclictest4040-21sh20:06:590
20278999414,71cyclictest17969-21switchtime20:47:520
20278999218,65cyclictest2584-21runrttasks21:42:110
20278999215,67cyclictest20706-21munin-node00:17:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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