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2026-08-17 - 19:30
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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 100 highest latencies:
System rack6slot2.osadl.org (updated Mon Aug 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1694421010,0sleep016942-21grep12:26:060
68442458,8sleep00-21swapper/007:05:500
64432388,23sleep10-21swapper/107:01:381
6930993534,0cyclictest168750irq/16-i91508:41:461
6928993534,0cyclictest246650irq/16-enp2s0f011:49:220
6930993434,0cyclictest168750irq/16-i91510:40:521
6930993433,0cyclictest246650irq/16-enp2s0f011:26:301
6930993433,0cyclictest168750irq/16-i91510:11:231
6930993433,0cyclictest168750irq/16-i91509:07:051
6928993433,0cyclictest246650irq/16-enp2s0f012:17:160
6928993433,0cyclictest246650irq/16-enp2s0f011:11:550
6928993433,0cyclictest246650irq/16-enp2s0f007:32:340
6928993432,1cyclictest246650irq/16-enp2s0f009:52:010
6928993432,1cyclictest246650irq/16-enp2s0f007:43:400
6930993332,1cyclictest168750irq/16-i91510:27:281
6930993332,0cyclictest246650irq/16-enp2s0f012:32:441
6930993332,0cyclictest246650irq/16-enp2s0f011:57:121
6930993332,0cyclictest246650irq/16-enp2s0f011:48:061
6930993332,0cyclictest246650irq/16-enp2s0f009:31:171
6930993332,0cyclictest246650irq/16-enp2s0f008:27:191
6930993332,0cyclictest168750irq/16-i91512:30:131
6930993332,0cyclictest168750irq/16-i91511:53:451
6930993332,0cyclictest168750irq/16-i91511:32:371
6930993332,0cyclictest168750irq/16-i91511:19:201
6930993332,0cyclictest168750irq/16-i91510:56:591
6930993332,0cyclictest168750irq/16-i91510:49:551
6930993332,0cyclictest168750irq/16-i91509:56:481
6930993332,0cyclictest168750irq/16-i91509:11:471
6930993332,0cyclictest168750irq/16-i91509:01:281
6930993332,0cyclictest168750irq/16-i91508:22:011
6930993332,0cyclictest168750irq/16-i91508:02:001
6930993332,0cyclictest168750irq/16-i91508:00:531
6930993332,0cyclictest168750irq/16-i91507:36:221
6930993332,0cyclictest168750irq/16-i91507:35:241
6930993332,0cyclictest168750irq/16-i91507:16:211
6930993331,1cyclictest168750irq/16-i91511:24:211
6930993331,1cyclictest168750irq/16-i91510:21:421
6930993331,1cyclictest168750irq/16-i91507:13:351
6928993333,0cyclictest246650irq/16-enp2s0f009:56:260
6928993333,0cyclictest246650irq/16-enp2s0f009:41:470
6928993332,0cyclictest246650irq/16-enp2s0f012:34:010
6928993332,0cyclictest246650irq/16-enp2s0f012:28:110
6928993332,0cyclictest246650irq/16-enp2s0f012:12:120
6928993332,0cyclictest246650irq/16-enp2s0f012:08:480
6928993332,0cyclictest246650irq/16-enp2s0f011:42:390
6928993332,0cyclictest246650irq/16-enp2s0f011:37:350
6928993332,0cyclictest246650irq/16-enp2s0f011:19:200
6928993332,0cyclictest246650irq/16-enp2s0f011:06:080
6928993332,0cyclictest246650irq/16-enp2s0f011:02:280
6928993332,0cyclictest246650irq/16-enp2s0f010:51:230
6928993332,0cyclictest246650irq/16-enp2s0f010:31:410
6928993332,0cyclictest246650irq/16-enp2s0f010:21:460
6928993332,0cyclictest246650irq/16-enp2s0f010:06:360
6928993332,0cyclictest246650irq/16-enp2s0f009:37:300
6928993332,0cyclictest246650irq/16-enp2s0f009:31:470
6928993332,0cyclictest246650irq/16-enp2s0f009:23:560
6928993332,0cyclictest246650irq/16-enp2s0f009:16:200
6928993332,0cyclictest246650irq/16-enp2s0f009:02:440
6928993332,0cyclictest246650irq/16-enp2s0f008:41:560
6928993332,0cyclictest246650irq/16-enp2s0f008:32:120
6928993332,0cyclictest246650irq/16-enp2s0f008:26:510
6928993332,0cyclictest246650irq/16-enp2s0f008:24:440
6928993332,0cyclictest246650irq/16-enp2s0f008:16:460
6928993332,0cyclictest246650irq/16-enp2s0f008:06:200
6928993332,0cyclictest246650irq/16-enp2s0f007:56:110
6928993332,0cyclictest246650irq/16-enp2s0f007:53:420
6928993332,0cyclictest246650irq/16-enp2s0f007:47:290
6928993332,0cyclictest246650irq/16-enp2s0f007:39:100
6928993332,0cyclictest246650irq/16-enp2s0f007:06:310
6928993332,0cyclictest168750irq/16-i91511:59:270
6928993332,0cyclictest168750irq/16-i91510:36:340
6928993331,1cyclictest246650irq/16-enp2s0f012:04:280
6928993331,1cyclictest246650irq/16-enp2s0f011:25:040
6928993331,1cyclictest246650irq/16-enp2s0f010:44:260
6930993232,0cyclictest246650irq/16-enp2s0f012:17:271
6930993232,0cyclictest246650irq/16-enp2s0f011:13:061
6930993232,0cyclictest168750irq/16-i91512:21:121
6930993232,0cyclictest168750irq/16-i91511:41:181
6930993232,0cyclictest168750irq/16-i91511:36:351
6930993232,0cyclictest168750irq/16-i91510:51:421
6930993232,0cyclictest168750irq/16-i91510:33:191
6930993232,0cyclictest168750irq/16-i91510:16:121
6930993232,0cyclictest168750irq/16-i91510:07:361
6930993232,0cyclictest168750irq/16-i91510:04:061
6930993232,0cyclictest168750irq/16-i91509:26:171
6930993232,0cyclictest168750irq/16-i91509:21:211
6930993232,0cyclictest168750irq/16-i91508:52:501
6930993232,0cyclictest168750irq/16-i91508:37:161
6930993232,0cyclictest168750irq/16-i91507:46:481
6930993232,0cyclictest168750irq/16-i91507:21:131
6930993231,0cyclictest246650irq/16-enp2s0f011:01:291
6930993231,0cyclictest168750irq/16-i91512:12:521
6930993231,0cyclictest168750irq/16-i91512:06:301
6930993231,0cyclictest168750irq/16-i91512:01:241
6930993231,0cyclictest168750irq/16-i91511:06:291
6930993231,0cyclictest168750irq/16-i91510:43:111
6930993231,0cyclictest168750irq/16-i91509:46:111
6930993231,0cyclictest168750irq/16-i91509:41:131
6930993231,0cyclictest168750irq/16-i91509:36:301
6930993231,0cyclictest168750irq/16-i91508:46:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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