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2025-11-24 - 03:31
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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 Nov 24, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6332630,1sleep10-21swapper/120:32:211
60322408,7sleep00-21swapper/019:01:590
6106993534,0cyclictest245950irq/16-enp2s0f022:30:090
57302359,18sleep10-21swapper/118:58:531
6107993434,0cyclictest167950irq/16-i91522:21:291
6107993433,0cyclictest167950irq/16-i91520:44:061
6107993432,1cyclictest245950irq/16-enp2s0f023:39:411
6107993432,1cyclictest185550irq/16-nvkm22:12:231
6107993432,1cyclictest167950irq/16-i91520:37:241
6107993432,1cyclictest167950irq/16-i91519:07:231
6106993433,0cyclictest245950irq/16-enp2s0f022:48:410
6106993433,0cyclictest245950irq/16-enp2s0f022:40:340
6106993433,0cyclictest245950irq/16-enp2s0f020:26:490
6106993433,0cyclictest245950irq/16-enp2s0f020:06:000
6106993433,0cyclictest245950irq/16-enp2s0f019:52:460
6106993433,0cyclictest245950irq/16-enp2s0f019:51:240
6106993433,0cyclictest245950irq/16-enp2s0f019:02:110
6106993433,0cyclictest245950irq/16-enp2s0f000:19:380
6106993433,0cyclictest245950irq/16-enp2s0f000:02:260
6106993432,1cyclictest245950irq/16-enp2s0f023:14:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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