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2026-08-22 - 08:22
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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 rack7slot8.osadl.org (updated Fri Aug 21, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27942216418,31sleep027950-21if_err_eth007:05:210
289049913172,38cyclictest10533-21cron08:04:590
289049912657,34cyclictest10250irq/56-4a10000009:40:120
289049912444,20cyclictest17622-21irqstats08:30:530
289049912351,33cyclictest24828-21wget09:00:120
289049912254,50cyclictest10250irq/56-4a10000010:30:000
289049912249,20cyclictest31382-21ntp_states09:25:420
289049912247,21cyclictest32613-21apt-get07:25:440
289049912189,22cyclictest26575-21seq11:17:100
289049912049,34cyclictest1285-21lldpd11:49:030
289049912045,37cyclictest6920-21/usr/sbin/munin07:50:280
289049911949,50cyclictest19995-21cron10:50:010
289049911945,35cyclictest7673-21ntp_states10:00:400
289049911945,21cyclictest32429-21diskstats09:30:220
289049911944,23cyclictest26192-21diskstats09:05:220
289049911942,37cyclictest3662-21wget09:45:160
289049911843,20cyclictest8801-21ntp_states12:16:090
289049911748,33cyclictest32616-21munin-run07:25:040
289049911743,36cyclictest32422-21ntp_states11:40:390
289049911672,35cyclictest12121-21sshd12:27:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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