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2025-12-31 - 21:12
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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 Wed Dec 31, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1371424131,0sleep30-21swapper/307:08:363
1391023728,0sleep20-21swapper/207:10:552
1365223425,0sleep10-21swapper/107:07:541
1360423228,0sleep00-21swapper/007:07:170
140409974,0cyclictest19296-21munin-run10:56:340
8305060,0irq/26-0000:00:3222-17sedispatch11:01:342
339960,0migration/3369-21sh10:44:053
339960,0migration/330826-21sh12:12:273
339960,0migration/328951-21sh10:22:323
339960,0migration/327433-21sh10:59:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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