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2026-03-25 - 21:45
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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 Mar 25, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232069915114,127cyclictest31691-21diskstats11:00:090
232069915113,128cyclictest26731-21fschecks_count07:25:130
232069914914,125cyclictest2568-21munin-node07:50:180
232069914914,125cyclictest20908-21switchtime08:45:430
232069914614,122cyclictest30048-21df_abs10:55:070
232069914614,122cyclictest17301-21munin-node08:35:250
232069914514,121cyclictest15111-21seq11:48:520
232069914514,121cyclictest13544-21sort08:24:530
232069914414,120cyclictest6325-21munin-node11:20:380
232069914314,120cyclictest31929-21chrt09:20:260
232069914314,120cyclictest22948-21runrttasks12:11:380
232069914313,120cyclictest8672-21munin-plugin-st09:49:520
232069914114,90cyclictest21936-21df_abs10:30:080
232069914114,118cyclictest28523-21seq12:30:090
232069914114,117cyclictest4554-21processes07:55:390
232069914114,117cyclictest21704-21munin-node08:50:030
232069914113,118cyclictest3568-21runrttasks08:05:290
232069914014,31cyclictest26988-21kernelversion09:05:240
232069914014,117cyclictest28105-21seq10:49:420
232069913915,113cyclictest2121-40yum-updatesd-he11:09:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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