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2024-02-26 - 16:17
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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 Mon Feb 26, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2513924213,8sleep10-21swapper/107:08:221
2487323822,8sleep00-21swapper/007:05:370
25245993634,1cyclictest168750irq/16-i91508:09:081
25244993634,1cyclictest271250irq/16-enp2s0f011:30:440
25245993533,1cyclictest168750irq/16-i91510:44:071
25245993434,0cyclictest168750irq/16-i91510:14:271
25245993432,1cyclictest168750irq/16-i91507:54:091
25245993432,1cyclictest168750irq/16-i91507:45:531
25244993434,0cyclictest271250irq/16-enp2s0f008:06:020
25244993433,0cyclictest271250irq/16-enp2s0f012:27:590
25244993433,0cyclictest271250irq/16-enp2s0f007:44:090
25244993432,1cyclictest271250irq/16-enp2s0f012:29:170
25244993432,1cyclictest271250irq/16-enp2s0f012:19:100
25244993432,1cyclictest271250irq/16-enp2s0f011:59:130
25244993432,1cyclictest271250irq/16-enp2s0f011:09:150
25244993432,1cyclictest271250irq/16-enp2s0f011:04:150
25244993432,1cyclictest271250irq/16-enp2s0f010:50:300
25244993432,1cyclictest271250irq/16-enp2s0f010:39:070
25244993432,1cyclictest271250irq/16-enp2s0f010:34:130
25244993432,1cyclictest271250irq/16-enp2s0f010:24:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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