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2026-04-01 - 18:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Wed Apr 01, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363493299348289,48cyclictest29-21kswapd007:35:540
369692422920,3sleep03696922-21open_files10:51:140
371494822550,3chrt3714949-21ntp_offset11:55:570
368163822520,4chrt3681640-21proc_pri09:56:170
365095522470,3chrt3650954-21ld08:06:120
363493299240209,20cyclictest29-21kswapd007:40:200
370501822380,3chrt3705017-21/usr/sbin/munin11:20:280
369636822350,3chrt3696366-21cat10:50:070
366499122340,3chrt3664992-21mailstats08:56:180
363493299216185,19cyclictest3641002-21kworker/u2:007:35:020
363493299215185,19cyclictest3637743-21kworker/u2:207:30:030
371067122020,2sleep03710670-21ld11:40:350
368093622020,2sleep03680937-21latency_hist09:55:000
372324222010,2sleep03723244-21awk12:25:440
363493299200171,17cyclictest3678561-21kworker/u2:009:50:060
370329321990,3sleep03703294-21ls11:15:060
363493299197169,17cyclictest3695374-21kworker/u2:011:05:030
363493299193164,18cyclictest3662850-21kworker/u2:208:50:310
363493299191158,21cyclictest3725402-21kworker/u2:012:40:070
363493299189161,17cyclictest3719942-21kworker/u2:312:31:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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