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2026-08-15 - 16:12
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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 10 highest latencies:
System rack1slot2.osadl.org (updated Sat Aug 15, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1371327267,0sleep10-21swapper/107:27:271
1365323930,0sleep20-21swapper/207:26:442
1369523727,0sleep30-21swapper/307:27:133
1373223127,0sleep00-21swapper/007:27:420
29805070,0irq/28-eth0-rx-0-21swapper/311:55:173
140289977,0cyclictest3571-21lldpd08:08:292
8305060,0irq/26-0000:00:18958-21crond09:45:172
339960,0migration/332317-21sh09:31:143
339960,0migration/330193-21sh11:44:033
339960,0migration/330193-21sh11:44:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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