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2024-04-25 - 09:07
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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
Characteristics of the 20 highest latencies:
System rack1slot1.osadl.org (updated Thu Apr 25, 2024 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56572210175,23sleep00-21swapper/019:09:050
56752201162,26sleep10-21swapper/119:09:201
35652201161,26sleep20-21swapper/219:05:012
35662197159,24sleep30-21swapper/319:05:023
124282720,0sleep10-21swapper/123:45:261
298802680,0sleep10-21swapper/121:59:231
193082620,0sleep00-21swapper/023:11:110
5823991313,0cyclictest0-21swapper/223:16:352
580999119,1cyclictest25887-21diskmemload21:39:480
583199101,3cyclictest16685-21apt-get20:50:123
582399102,4cyclictest61250irq/122-eno120:50:122
582399100,9cyclictest8173-21munin-node22:35:232
582399100,7cyclictest29977-21kworker/u8:122:48:042
582399100,6cyclictest0-21swapper/221:50:112
580999108,1cyclictest9-21ksoftirqd/020:30:010
580999108,1cyclictest9-21ksoftirqd/000:25:010
580999108,1cyclictest9-21ksoftirqd/000:25:000
580999107,1cyclictest9-21ksoftirqd/020:05:000
58319999,0cyclictest35-21ksoftirqd/300:32:303
58319997,1cyclictest35-21ksoftirqd/319:45:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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