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2025-11-28 - 16:19
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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 28, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262172630,1sleep10-21swapper/111:17:171
1506025215,8sleep00-21swapper/007:01:490
149162399,8sleep10-21swapper/107:00:221
15144993830,7cyclictest245950irq/16-enp2s0f008:42:170
15145993533,1cyclictest167950irq/16-i91508:49:281
15144993534,0cyclictest245950irq/16-enp2s0f011:24:440
15145993433,0cyclictest167950irq/16-i91510:52:541
15145993433,0cyclictest167950irq/16-i91510:46:051
15145993433,0cyclictest167950irq/16-i91510:12:201
15145993432,1cyclictest245950irq/16-enp2s0f008:26:091
15145993432,1cyclictest167950irq/16-i91510:57:421
15145993432,1cyclictest167950irq/16-i91509:42:251
15145993432,1cyclictest167950irq/16-i91509:37:061
15145993432,1cyclictest167950irq/16-i91508:58:321
15145993432,1cyclictest167950irq/16-i91508:17:521
15145993431,1cyclictest167950irq/16-i91510:07:231
15144993432,1cyclictest245950irq/16-enp2s0f011:47:210
15144993432,1cyclictest245950irq/16-enp2s0f011:42:190
15144993432,1cyclictest245950irq/16-enp2s0f011:32:190
15144993432,1cyclictest245950irq/16-enp2s0f009:32:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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