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2026-04-26 - 12:06
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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 rackbslot6.osadl.org (updated Sun Apr 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2131621710,5sleep13096499cyclictest23:59:521
1128621490,3sleep13096499cyclictest23:16:041
106891980,6ptp4l391rcuc/320:19:563
61142670,2sleep20-21swapper/201:23:242
84672650,1sleep18466-21if_err_ens300:19:521
153832650,3sleep23097299cyclictest22:48:032
17432640,1sleep20-21swapper/221:34:522
72972590,5sleep27299-21irqrtprio20:39:482
30980995919,9cyclictest41-21ksoftirqd/322:09:533
24842590,4sleep1231rcuc/120:29:471
101172590,2sleep20-21swapper/222:42:492
101172590,2sleep20-21swapper/222:42:492
30980995820,8cyclictest41-21ksoftirqd/300:49:513
97922570,2sleep19794-21ssh22:42:151
97922570,2sleep19794-21ssh22:42:151
325022570,3sleep03095999cyclictest00:44:480
3096499555,14cyclictest14120-21vmstat01:30:041
3096499554,19cyclictest697-21sed23:05:011
3096499554,19cyclictest15781-21cpuspeed_turbos23:54:471
3096499554,12cyclictest7479-21grep01:24:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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