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2026-06-16 - 15:52
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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 Tue Jun 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1430328300,4sleep014301-21munin-node07:18:560
153659915414,130cyclictest19137-21irqstats09:14:000
153659915413,131cyclictest17473-21sort12:28:510
153659915114,126cyclictest28602-21tune2fs08:03:500
153659914915,124cyclictest3292-21munin-node10:04:170
153659914914,125cyclictest28636-21diskstats09:43:470
153659914814,124cyclictest16816-21seq12:25:590
153659914714,124cyclictest21076-21netstat12:39:100
153659914516,119cyclictest10273-21seq12:05:360
153659914514,122cyclictest9913-21chrt08:44:260
153659914414,121cyclictest14439-21missed_timers10:39:050
153659914414,120cyclictest8000-21needreboot10:19:090
153659914414,120cyclictest4477-21fschecks_time10:08:510
153659914315,118cyclictest15744-21munin-node10:43:470
153659914314,119cyclictest6038-21cpu11:53:450
153659914314,118cyclictest23656-21aten_r4power_cu11:08:410
153659914215,117cyclictest13833-21runrttasks12:18:120
153659914214,117cyclictest15070-21chrt12:20:000
153659914114,117cyclictest31754-21munin-node08:13:430
153659914114,117cyclictest23930-21diskstats12:48:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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