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2025-03-25 - 23:32
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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 Tue Mar 25, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58632620,1sleep05865-22pmu-power11:32:080
292442468,8sleep00-21swapper/007:05:040
293772428,8sleep10-21swapper/107:06:281
29480993433,0cyclictest167950irq/16-i91511:35:041
29480993433,0cyclictest167950irq/16-i91510:37:531
29480993433,0cyclictest167950irq/16-i91509:17:011
29480993433,0cyclictest167950irq/16-i91508:17:491
29480993432,1cyclictest167950irq/16-i91512:12:031
29480993432,1cyclictest167950irq/16-i91509:47:011
29480993432,1cyclictest167950irq/16-i91508:29:401
29479993433,0cyclictest245950irq/16-enp2s0f011:58:380
29479993433,0cyclictest245950irq/16-enp2s0f010:03:050
29479993433,0cyclictest245950irq/16-enp2s0f009:51:390
29479993432,1cyclictest245950irq/16-enp2s0f011:06:590
29479993432,1cyclictest245950irq/16-enp2s0f010:47:030
29479993432,1cyclictest245950irq/16-enp2s0f009:17:030
29479993432,1cyclictest245950irq/16-enp2s0f008:32:040
29479993432,1cyclictest245950irq/16-enp2s0f007:52:050
29479993431,1cyclictest245950irq/16-enp2s0f007:17:020
29480993332,0cyclictest245950irq/16-enp2s0f010:43:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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