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2026-05-15 - 10:31
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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 50 highest latencies:
System rack6slot2.osadl.org (updated Fri May 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196924911,8sleep00-21swapper/019:05:330
20772439,8sleep10-21swapper/119:06:421
2261993433,0cyclictest168750irq/16-i91522:26:171
2261993433,0cyclictest168750irq/16-i91500:22:171
2261993432,1cyclictest168750irq/16-i91522:02:401
2261993432,1cyclictest168750irq/16-i91521:33:121
2259993434,0cyclictest246650irq/16-enp2s0f022:09:010
2259993433,0cyclictest246650irq/16-enp2s0f019:19:590
2259993432,1cyclictest246650irq/16-enp2s0f023:45:280
2259993432,1cyclictest168750irq/16-i91522:48:260
2261993333,0cyclictest168750irq/16-i91519:13:161
2261993332,0cyclictest246650irq/16-enp2s0f023:48:011
2261993332,0cyclictest246650irq/16-enp2s0f023:11:201
2261993332,0cyclictest246650irq/16-enp2s0f022:54:401
2261993332,0cyclictest246650irq/16-enp2s0f022:13:101
2261993332,0cyclictest246650irq/16-enp2s0f021:04:331
2261993332,0cyclictest246650irq/16-enp2s0f020:59:311
2261993332,0cyclictest246650irq/16-enp2s0f019:59:401
2261993332,0cyclictest246650irq/16-enp2s0f019:51:541
2261993332,0cyclictest246650irq/16-enp2s0f000:05:281
2261993332,0cyclictest168750irq/16-i91523:58:401
2261993332,0cyclictest168750irq/16-i91522:48:261
2261993332,0cyclictest168750irq/16-i91522:10:341
2261993332,0cyclictest168750irq/16-i91521:28:441
2261993332,0cyclictest168750irq/16-i91521:27:481
2261993332,0cyclictest168750irq/16-i91521:18:091
2261993332,0cyclictest168750irq/16-i91520:53:051
2261993332,0cyclictest168750irq/16-i91520:48:051
2261993332,0cyclictest168750irq/16-i91520:36:211
2261993332,0cyclictest168750irq/16-i91519:45:221
2261993332,0cyclictest168750irq/16-i91519:38:481
2261993332,0cyclictest168750irq/16-i91519:27:481
2261993332,0cyclictest168750irq/16-i91500:23:451
2261993332,0cyclictest168750irq/16-i91500:08:121
2261993331,1cyclictest168750irq/16-i91522:43:251
2261993331,1cyclictest168750irq/16-i91522:33:361
2261993331,1cyclictest168750irq/16-i91521:53:151
2261993331,1cyclictest168750irq/16-i91519:22:481
2261993331,1cyclictest168750irq/16-i91519:12:471
2259993333,0cyclictest246650irq/16-enp2s0f021:54:460
2259993333,0cyclictest246650irq/16-enp2s0f021:44:550
2259993332,0cyclictest246650irq/16-enp2s0f023:49:240
2259993332,0cyclictest246650irq/16-enp2s0f023:36:310
2259993332,0cyclictest246650irq/16-enp2s0f023:24:090
2259993332,0cyclictest246650irq/16-enp2s0f023:15:130
2259993332,0cyclictest246650irq/16-enp2s0f023:12:110
2259993332,0cyclictest246650irq/16-enp2s0f022:58:510
2259993332,0cyclictest246650irq/16-enp2s0f022:43:190
2259993332,0cyclictest246650irq/16-enp2s0f021:18:090
2259993332,0cyclictest246650irq/16-enp2s0f020:53:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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