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2023-12-03 - 02:12
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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 Sat Dec 02, 2023 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1791911800,5ptp4l401ktimersoftd/308:02:093
932821600,3sleep03250199cyclictest10:26:510
102342820,1sleep00-21swapper/013:15:370
159622710,3sleep015957-21ssh11:57:280
157552700,5sleep341-21ksoftirqd/310:33:083
32507996554,5cyclictest25-21ksoftirqd/112:37:141
32507996351,6cyclictest25-21ksoftirqd/109:02:071
314852630,2sleep00-21swapper/010:56:420
32507996151,5cyclictest25-21ksoftirqd/111:17:131
32507996047,8cyclictest25-21ksoftirqd/112:27:131
296102590,4sleep03250199cyclictest12:14:110
217682580,4sleep23251199cyclictest10:42:112
32507995744,6cyclictest25-21ksoftirqd/110:12:081
321722574,42sleep00-21swapper/008:03:500
32518995627,10cyclictest41-21ksoftirqd/312:51:533
32507995645,5cyclictest25-21ksoftirqd/112:47:171
32507995643,5cyclictest25-21ksoftirqd/108:42:111
37682550,2sleep20-21swapper/208:12:122
32518995523,11cyclictest41-21ksoftirqd/311:42:293
32507995544,5cyclictest25-21ksoftirqd/111:57:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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