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2026-09-20 - 17:54
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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 Sun Sep 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207252990,0sleep120728-21sed08:10:271
207252990,0sleep120728-21sed08:10:271
115882458,8sleep00-21swapper/007:01:040
12067993730,6cyclictest246650irq/16-enp2s0f010:29:280
12068993433,0cyclictest168750irq/16-i91510:40:551
12067993434,0cyclictest246650irq/16-enp2s0f010:24:250
12067993433,0cyclictest246650irq/16-enp2s0f010:51:140
12067993433,0cyclictest246650irq/16-enp2s0f009:56:480
12067993433,0cyclictest246650irq/16-enp2s0f009:19:110
12067993432,1cyclictest246650irq/16-enp2s0f011:41:500
12067993432,1cyclictest246650irq/16-enp2s0f011:21:490
12067993432,1cyclictest246650irq/16-enp2s0f010:33:360
12067993432,1cyclictest246650irq/16-enp2s0f009:50:420
12067993432,1cyclictest246650irq/16-enp2s0f008:54:050
12067993432,1cyclictest246650irq/16-enp2s0f008:50:050
12067993432,1cyclictest246650irq/16-enp2s0f008:39:540
12067993432,1cyclictest246650irq/16-enp2s0f008:35:220
12067993432,1cyclictest246650irq/16-enp2s0f008:17:410
12067993432,1cyclictest246650irq/16-enp2s0f008:02:450
12067993432,1cyclictest246650irq/16-enp2s0f007:40:240
12067993432,1cyclictest168750irq/16-i91508:14:430
12067993431,2cyclictest246650irq/16-enp2s0f011:15:220
12067993430,1cyclictest168750irq/16-i91507:31:110
12068993332,0cyclictest246650irq/16-enp2s0f012:26:531
12068993332,0cyclictest246650irq/16-enp2s0f012:16:231
12068993332,0cyclictest246650irq/16-enp2s0f011:47:301
12068993332,0cyclictest246650irq/16-enp2s0f009:55:541
12068993332,0cyclictest246650irq/16-enp2s0f009:16:571
12068993332,0cyclictest246650irq/16-enp2s0f009:06:051
12068993332,0cyclictest246650irq/16-enp2s0f008:30:391
12068993332,0cyclictest246650irq/16-enp2s0f008:20:391
12068993332,0cyclictest190650irq/16-nvkm10:40:271
12068993332,0cyclictest168750irq/16-i91512:10:351
12068993332,0cyclictest168750irq/16-i91511:31:421
12068993332,0cyclictest168750irq/16-i91511:25:431
12068993332,0cyclictest168750irq/16-i91511:18:171
12068993332,0cyclictest168750irq/16-i91511:05:511
12068993332,0cyclictest168750irq/16-i91510:59:031
12068993332,0cyclictest168750irq/16-i91510:53:111
12068993332,0cyclictest168750irq/16-i91510:31:421
12068993332,0cyclictest168750irq/16-i91510:22:571
12068993332,0cyclictest168750irq/16-i91509:55:051
12068993332,0cyclictest168750irq/16-i91509:48:141
12068993332,0cyclictest168750irq/16-i91509:22:521
12068993332,0cyclictest168750irq/16-i91508:45:391
12068993332,0cyclictest168750irq/16-i91508:26:511
12068993332,0cyclictest168750irq/16-i91508:15:541
12068993332,0cyclictest168750irq/16-i91507:27:241
12068993332,0cyclictest168750irq/16-i91507:14:341
12068993331,1cyclictest168750irq/16-i91511:58:231
12068993331,1cyclictest168750irq/16-i91511:03:141
12068993331,1cyclictest168750irq/16-i91510:12:561
12068993331,1cyclictest168750irq/16-i91509:29:581
12068993331,1cyclictest168750irq/16-i91508:05:011
12068993331,1cyclictest168750irq/16-i91507:33:011
12068993331,1cyclictest168750irq/16-i91507:22:281
12067993332,1cyclictest246650irq/16-enp2s0f007:40:350
12067993332,0cyclictest246650irq/16-enp2s0f012:18:270
12067993332,0cyclictest246650irq/16-enp2s0f012:05:540
12067993332,0cyclictest246650irq/16-enp2s0f011:05:340
12067993332,0cyclictest246650irq/16-enp2s0f011:03:390
12067993332,0cyclictest246650irq/16-enp2s0f010:02:330
12067993332,0cyclictest246650irq/16-enp2s0f009:35:370
12067993332,0cyclictest246650irq/16-enp2s0f008:22:360
12067993331,1cyclictest246650irq/16-enp2s0f012:31:430
12067993331,1cyclictest246650irq/16-enp2s0f012:21:170
12067993331,1cyclictest246650irq/16-enp2s0f011:55:310
12067993331,1cyclictest246650irq/16-enp2s0f011:50:290
12067993331,1cyclictest246650irq/16-enp2s0f011:46:580
12067993331,1cyclictest246650irq/16-enp2s0f011:30:520
12067993331,1cyclictest246650irq/16-enp2s0f011:26:200
12067993331,1cyclictest246650irq/16-enp2s0f011:16:210
12067993331,1cyclictest246650irq/16-enp2s0f010:55:280
12067993331,1cyclictest246650irq/16-enp2s0f010:15:430
12067993331,1cyclictest246650irq/16-enp2s0f010:06:210
12067993331,1cyclictest246650irq/16-enp2s0f009:45:510
12067993331,1cyclictest246650irq/16-enp2s0f009:44:410
12067993331,1cyclictest246650irq/16-enp2s0f009:31:090
12067993331,1cyclictest246650irq/16-enp2s0f009:27:280
12067993331,1cyclictest246650irq/16-enp2s0f009:23:070
12067993331,1cyclictest246650irq/16-enp2s0f009:10:410
12067993331,1cyclictest246650irq/16-enp2s0f009:00:370
12067993331,1cyclictest246650irq/16-enp2s0f008:58:100
12067993331,1cyclictest246650irq/16-enp2s0f008:40:380
12067993331,1cyclictest246650irq/16-enp2s0f008:27:430
12067993331,1cyclictest246650irq/16-enp2s0f008:05:550
12067993331,1cyclictest246650irq/16-enp2s0f008:05:550
12067993331,1cyclictest246650irq/16-enp2s0f007:57:200
12067993331,1cyclictest246650irq/16-enp2s0f007:45:440
12067993331,1cyclictest246650irq/16-enp2s0f007:25:520
12067993331,1cyclictest246650irq/16-enp2s0f007:25:270
12067993331,1cyclictest246650irq/16-enp2s0f007:10:540
12067993331,1cyclictest246650irq/16-enp2s0f007:05:370
1154723312,13sleep10-21swapper/107:00:371
12068993232,0cyclictest168750irq/16-i91511:41:131
12068993232,0cyclictest168750irq/16-i91511:14:021
12068993232,0cyclictest168750irq/16-i91510:28:061
12068993232,0cyclictest168750irq/16-i91510:10:131
12068993232,0cyclictest168750irq/16-i91510:00:431
12068993232,0cyclictest168750irq/16-i91509:44:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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