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2026-09-18 - 14:56
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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 Fri Sep 18, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110522530,0sleep10-21swapper/107:05:291
104852488,8sleep00-21swapper/007:01:280
10934993733,3cyclictest168750irq/16-i91508:35:171
10934993732,4cyclictest168750irq/16-i91507:27:361
10934993633,3cyclictest246650irq/16-enp2s0f008:45:321
10934993632,3cyclictest168750irq/16-i91509:15:381
10934993632,3cyclictest168750irq/16-i91507:42:391
10934993632,3cyclictest168750irq/16-i91507:22:481
10934993631,4cyclictest168750irq/16-i91509:29:191
10934993534,0cyclictest168750irq/16-i91509:37:121
10934993533,2cyclictest246650irq/16-enp2s0f008:40:511
10934993532,3cyclictest168750irq/16-i91510:38:131
10934993532,2cyclictest190650irq/16-nvkm11:11:331
10934993532,2cyclictest168750irq/16-i91512:06:591
10934993532,2cyclictest168750irq/16-i91511:26:461
10934993532,2cyclictest168750irq/16-i91510:21:581
10934993532,2cyclictest168750irq/16-i91510:09:571
10934993532,2cyclictest168750irq/16-i91508:38:031
10934993532,2cyclictest168750irq/16-i91508:21:001
10934993532,2cyclictest168750irq/16-i91507:38:231
10934993531,3cyclictest246650irq/16-enp2s0f011:49:541
10934993531,3cyclictest168750irq/16-i91512:13:321
10934993531,3cyclictest168750irq/16-i91511:35:371
10934993531,3cyclictest168750irq/16-i91510:42:281
10934993531,3cyclictest168750irq/16-i91509:57:171
10934993531,3cyclictest168750irq/16-i91509:35:191
10934993531,3cyclictest168750irq/16-i91508:03:551
10934993432,2cyclictest246650irq/16-enp2s0f010:00:581
10934993432,2cyclictest168750irq/16-i91512:17:111
10934993432,2cyclictest168750irq/16-i91512:02:241
10934993432,2cyclictest168750irq/16-i91511:16:371
10934993431,3cyclictest168750irq/16-i91510:28:481
10934993431,2cyclictest246650irq/16-enp2s0f007:32:001
10934993431,2cyclictest168750irq/16-i91512:00:031
10934993431,2cyclictest168750irq/16-i91511:41:451
10934993431,2cyclictest168750irq/16-i91511:34:571
10934993431,2cyclictest168750irq/16-i91510:56:571
10934993431,2cyclictest168750irq/16-i91510:17:101
10934993431,2cyclictest168750irq/16-i91510:15:021
10934993431,2cyclictest168750irq/16-i91509:52:231
10934993431,2cyclictest168750irq/16-i91509:46:211
10934993431,2cyclictest168750irq/16-i91509:01:471
10934993431,2cyclictest168750irq/16-i91508:51:241
10934993431,2cyclictest168750irq/16-i91508:26:061
10934993431,2cyclictest168750irq/16-i91508:11:371
10934993431,2cyclictest168750irq/16-i91507:46:011
10934993430,3cyclictest246650irq/16-enp2s0f009:09:071
10934993430,3cyclictest168750irq/16-i91512:33:371
10934993430,3cyclictest168750irq/16-i91511:07:371
10934993430,3cyclictest168750irq/16-i91509:13:521
10934993430,3cyclictest168750irq/16-i91508:58:451
10933993434,0cyclictest246650irq/16-enp2s0f008:19:080
10933993433,0cyclictest246650irq/16-enp2s0f011:38:480
10933993432,1cyclictest246650irq/16-enp2s0f011:55:150
10933993432,1cyclictest246650irq/16-enp2s0f007:31:450
10933993432,1cyclictest246650irq/16-enp2s0f007:16:300
10933993431,0cyclictest168750irq/16-i91510:40:390
10934993332,0cyclictest246650irq/16-enp2s0f007:10:301
10934993332,0cyclictest168750irq/16-i91509:40:351
10934993332,0cyclictest168750irq/16-i91508:05:441
10934993332,0cyclictest168750irq/16-i91507:52:391
10934993331,2cyclictest168750irq/16-i91512:25:461
10934993331,2cyclictest168750irq/16-i91512:20:461
10934993331,2cyclictest168750irq/16-i91510:30:411
10934993331,2cyclictest168750irq/16-i91507:55:571
10934993331,1cyclictest168750irq/16-i91507:07:321
10934993330,2cyclictest246650irq/16-enp2s0f011:03:181
10934993330,2cyclictest168750irq/16-i91511:20:411
10934993330,2cyclictest168750irq/16-i91510:46:161
10934993330,2cyclictest168750irq/16-i91508:15:501
10934993328,4cyclictest246650irq/16-enp2s0f011:51:251
10933993332,1cyclictest246650irq/16-enp2s0f010:48:420
10933993332,0cyclictest246650irq/16-enp2s0f012:31:530
10933993332,0cyclictest246650irq/16-enp2s0f012:21:350
10933993332,0cyclictest246650irq/16-enp2s0f012:10:380
10933993332,0cyclictest246650irq/16-enp2s0f011:46:180
10933993332,0cyclictest246650irq/16-enp2s0f011:41:230
10933993332,0cyclictest246650irq/16-enp2s0f011:15:320
10933993332,0cyclictest246650irq/16-enp2s0f010:38:130
10933993332,0cyclictest246650irq/16-enp2s0f010:27:150
10933993332,0cyclictest246650irq/16-enp2s0f010:12:460
10933993332,0cyclictest246650irq/16-enp2s0f010:05:480
10933993332,0cyclictest246650irq/16-enp2s0f009:55:480
10933993332,0cyclictest246650irq/16-enp2s0f009:43:040
10933993332,0cyclictest246650irq/16-enp2s0f009:35:420
10933993332,0cyclictest246650irq/16-enp2s0f009:25:090
10933993332,0cyclictest246650irq/16-enp2s0f009:17:100
10933993332,0cyclictest246650irq/16-enp2s0f008:48:460
10933993332,0cyclictest246650irq/16-enp2s0f008:37:500
10933993332,0cyclictest246650irq/16-enp2s0f008:33:340
10933993332,0cyclictest246650irq/16-enp2s0f008:21:320
10933993332,0cyclictest246650irq/16-enp2s0f008:11:230
10933993332,0cyclictest246650irq/16-enp2s0f008:05:330
10933993332,0cyclictest246650irq/16-enp2s0f008:00:450
10933993332,0cyclictest246650irq/16-enp2s0f007:42:190
10933993332,0cyclictest246650irq/16-enp2s0f007:25:560
10933993332,0cyclictest246650irq/16-enp2s0f007:10:320
10933993332,0cyclictest168750irq/16-i91508:57:530
10933993332,0cyclictest168750irq/16-i91507:50:510
10933993331,1cyclictest246650irq/16-enp2s0f011:27:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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