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2026-06-17 - 04:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack4slot6.osadl.org (updated Wed Jun 17, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7276521230,116pltrace0-21swapper/119:05:111
7276521220,118pltrace0-21swapper/519:05:085
7276521070,78pltrace0-21swapper/219:05:182
10060521020,93pltrace0-21swapper/319:10:003
7276521010,70pltrace0-21swapper/619:05:196
1654552860,0pltrace0-21swapper/319:16:473
1006052770,47pltrace0-21swapper/719:09:157
994126046,10sleep40-21swapper/419:05:244
1016826046,10sleep00-21swapper/019:08:170
858752580,7pltrace78-21ksoftirqd/721:37:197
1317352460,2pltrace0-21swapper/622:51:486
3188152450,9pltrace78-21ksoftirqd/723:16:227
190822450,1sleep70-21swapper/722:59:147
2273552430,0pltrace0-21swapper/722:28:567
1324352430,1pltrace78-21ksoftirqd/723:27:197
1780452410,5pltrace78-21ksoftirqd/723:33:447
1310352410,9pltrace78-21ksoftirqd/700:01:527
3180552390,7pltrace78-21ksoftirqd/723:46:517
2729452370,3pltrace78-21ksoftirqd/723:10:217
865252360,33pltrace54-21ksoftirqd/423:25:074
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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