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2026-06-17 - 04:34
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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 Wed Jun 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
533521310,5sleep3337899cyclictest00:39:273
106891980,3ptp4l401ktimersoftd/320:49:003
3359997655,14cyclictest9-21ksoftirqd/001:03:300
106891710,1ptp4l401ktimersoftd/300:58:143
106891690,1ptp4l401ktimersoftd/300:01:233
162742680,6sleep316279-21gltestperf00:18:353
77692670,1sleep20-21swapper/202:21:442
21922665,47sleep00-21swapper/020:48:340
336799659,25cyclictest1900-21seq02:15:031
336799640,32cyclictest28901-21diskmemload23:13:221
3359996350,6cyclictest9-21ksoftirqd/002:03:320
106891630,1ptp4l401ktimersoftd/302:02:313
296652620,4sleep2337399cyclictest21:43:372
296652620,4sleep2337399cyclictest21:43:372
336799611,26cyclictest20926-21ptp4l-jitter01:28:421
31562614,10sleep20-21swapper/220:52:032
245482610,4sleep0101ktimersoftd/021:33:320
336799601,28cyclictest15550-21ssh00:50:101
336799600,27cyclictest31085-21ssh02:12:531
336799591,25cyclictest9195-21mailstats22:08:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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