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2026-08-07 - 23:01
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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 50 highest latencies:
System rack6slot2.osadl.org (updated Fri Aug 07, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108832428,8sleep00-21swapper/007:03:010
11261993534,0cyclictest168750irq/16-i91510:34:021
11261993433,0cyclictest168750irq/16-i91508:44:131
11260993433,0cyclictest246650irq/16-enp2s0f011:08:010
11260993433,0cyclictest246650irq/16-enp2s0f010:19:490
11260993432,1cyclictest246650irq/16-enp2s0f012:30:180
11260993432,1cyclictest246650irq/16-enp2s0f011:55:200
11260993432,1cyclictest246650irq/16-enp2s0f011:31:390
11260993432,1cyclictest246650irq/16-enp2s0f010:46:180
11260993432,1cyclictest246650irq/16-enp2s0f010:34:230
11260993432,1cyclictest246650irq/16-enp2s0f008:13:280
1113123413,13sleep10-21swapper/107:05:341
11261993332,0cyclictest246650irq/16-enp2s0f012:26:471
11261993332,0cyclictest246650irq/16-enp2s0f012:17:361
11261993332,0cyclictest246650irq/16-enp2s0f012:09:281
11261993332,0cyclictest246650irq/16-enp2s0f012:02:511
11261993332,0cyclictest246650irq/16-enp2s0f011:56:351
11261993332,0cyclictest246650irq/16-enp2s0f011:54:181
11261993332,0cyclictest246650irq/16-enp2s0f011:46:351
11261993332,0cyclictest246650irq/16-enp2s0f011:42:291
11261993332,0cyclictest246650irq/16-enp2s0f011:36:361
11261993332,0cyclictest246650irq/16-enp2s0f011:26:311
11261993332,0cyclictest246650irq/16-enp2s0f011:18:491
11261993332,0cyclictest246650irq/16-enp2s0f011:06:391
11261993332,0cyclictest246650irq/16-enp2s0f010:59:421
11261993332,0cyclictest246650irq/16-enp2s0f010:51:411
11261993332,0cyclictest246650irq/16-enp2s0f010:47:241
11261993332,0cyclictest246650irq/16-enp2s0f010:38:301
11261993332,0cyclictest246650irq/16-enp2s0f010:12:591
11261993332,0cyclictest246650irq/16-enp2s0f010:04:521
11261993332,0cyclictest246650irq/16-enp2s0f009:55:201
11261993332,0cyclictest246650irq/16-enp2s0f009:39:541
11261993332,0cyclictest246650irq/16-enp2s0f009:34:581
11261993332,0cyclictest246650irq/16-enp2s0f008:53:281
11261993332,0cyclictest246650irq/16-enp2s0f008:47:051
11261993332,0cyclictest246650irq/16-enp2s0f008:26:391
11261993332,0cyclictest246650irq/16-enp2s0f008:16:291
11261993332,0cyclictest246650irq/16-enp2s0f008:02:581
11261993332,0cyclictest246650irq/16-enp2s0f007:44:191
11261993332,0cyclictest246650irq/16-enp2s0f007:24:091
11261993332,0cyclictest246650irq/16-enp2s0f007:11:491
11261993332,0cyclictest246650irq/16-enp2s0f007:07:351
11261993332,0cyclictest246650irq/16-enp2s0f007:07:351
11261993332,0cyclictest168750irq/16-i91512:11:211
11261993332,0cyclictest168750irq/16-i91511:21:391
11261993332,0cyclictest168750irq/16-i91510:44:401
11261993332,0cyclictest168750irq/16-i91509:57:141
11261993332,0cyclictest168750irq/16-i91509:47:271
11261993332,0cyclictest168750irq/16-i91509:45:211
11261993332,0cyclictest168750irq/16-i91508:38:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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