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2024-11-22 - 16:49
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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 rack6slot2.osadl.org (updated Fri Nov 22, 2024 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2684324818,22sleep00-21swapper/007:07:180
267502389,8sleep10-21swapper/107:06:211
27084993534,0cyclictest245950irq/16-enp2s0f011:10:110
27084993530,0cyclictest167950irq/16-i91511:19:250
27084993527,7cyclictest245950irq/16-enp2s0f011:59:230
27085993432,1cyclictest185550irq/16-nvkm08:19:291
27085993432,1cyclictest167950irq/16-i91512:15:191
27085993432,1cyclictest167950irq/16-i91509:54:211
27085993432,1cyclictest167950irq/16-i91508:04:261
27084993432,1cyclictest245950irq/16-enp2s0f012:19:310
27084993432,1cyclictest245950irq/16-enp2s0f011:29:280
27084993432,1cyclictest245950irq/16-enp2s0f011:24:290
27084993432,1cyclictest245950irq/16-enp2s0f010:59:210
27084993432,1cyclictest245950irq/16-enp2s0f010:44:220
27084993432,1cyclictest245950irq/16-enp2s0f010:38:210
27084993432,1cyclictest245950irq/16-enp2s0f010:04:570
27084993432,1cyclictest245950irq/16-enp2s0f009:24:280
27084993432,1cyclictest245950irq/16-enp2s0f008:29:260
27084993432,1cyclictest245950irq/16-enp2s0f007:59:220
27084993431,0cyclictest167950irq/16-i91508:24:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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