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2024-04-26 - 00:45
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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 Thu Apr 25, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1026821820,4sleep12246099cyclictest12:36:571
2240421700,4sleep12246099cyclictest12:12:031
1024621570,4sleep22246599cyclictest13:14:272
878721520,4sleep02245399cyclictest13:12:090
179191950,3ptp4l401ktimersoftd/309:25:093
22465996956,6cyclictest33-21ksoftirqd/212:06:562
22465996756,5cyclictest33-21ksoftirqd/214:11:572
179191640,1ptp4l401ktimersoftd/313:52:143
22453996351,7cyclictest9-21ksoftirqd/013:21:590
190982630,1sleep10-21swapper/113:25:551
22465996249,6cyclictest33-21ksoftirqd/214:47:012
221012614,45sleep00-21swapper/009:23:280
179191600,1ptp4l401ktimersoftd/311:27:063
22465995948,7cyclictest33-21ksoftirqd/212:46:562
179191590,1ptp4l401ktimersoftd/312:10:303
22465995847,5cyclictest33-21ksoftirqd/209:31:522
20752580,2sleep20-21swapper/210:56:572
145742580,2sleep00-21swapper/014:36:200
22465995745,5cyclictest33-21ksoftirqd/210:41:542
22465995744,5cyclictest33-21ksoftirqd/209:46:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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