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2026-09-18 - 00:02
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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 Thu Sep 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2501424717,22sleep00-21swapper/007:01:550
250892419,8sleep10-21swapper/107:02:421
25412993534,0cyclictest246650irq/16-enp2s0f008:51:340
25413993434,0cyclictest168750irq/16-i91508:05:011
25413993433,0cyclictest246650irq/16-enp2s0f008:08:531
25413993433,0cyclictest168750irq/16-i91512:18:231
25413993433,0cyclictest168750irq/16-i91510:33:571
25413993432,1cyclictest246650irq/16-enp2s0f010:29:201
25412993434,0cyclictest246650irq/16-enp2s0f008:03:210
25412993433,0cyclictest246650irq/16-enp2s0f011:27:010
25412993433,0cyclictest246650irq/16-enp2s0f009:44:160
25412993433,0cyclictest246650irq/16-enp2s0f009:20:340
25412993433,0cyclictest246650irq/16-enp2s0f007:32:420
25412993432,1cyclictest246650irq/16-enp2s0f011:58:570
25412993432,1cyclictest246650irq/16-enp2s0f008:48:590
25412993432,1cyclictest246650irq/16-enp2s0f007:43:020
25413993333,0cyclictest168750irq/16-i91509:50:531
25413993332,0cyclictest246650irq/16-enp2s0f011:58:001
25413993332,0cyclictest246650irq/16-enp2s0f011:50:441
25413993332,0cyclictest246650irq/16-enp2s0f011:23:221
25413993332,0cyclictest246650irq/16-enp2s0f010:05:561
25413993332,0cyclictest246650irq/16-enp2s0f009:21:261
25413993332,0cyclictest246650irq/16-enp2s0f008:30:491
25413993332,0cyclictest246650irq/16-enp2s0f007:50:581
25413993332,0cyclictest246650irq/16-enp2s0f007:21:231
25413993332,0cyclictest168750irq/16-i91512:31:231
25413993332,0cyclictest168750irq/16-i91512:20:321
25413993332,0cyclictest168750irq/16-i91512:11:021
25413993332,0cyclictest168750irq/16-i91512:09:041
25413993332,0cyclictest168750irq/16-i91511:36:001
25413993332,0cyclictest168750irq/16-i91511:13:031
25413993332,0cyclictest168750irq/16-i91511:06:141
25413993332,0cyclictest168750irq/16-i91510:21:251
25413993332,0cyclictest168750irq/16-i91509:46:131
25413993332,0cyclictest168750irq/16-i91509:41:541
25413993332,0cyclictest168750irq/16-i91509:36:121
25413993332,0cyclictest168750irq/16-i91508:41:431
25413993332,0cyclictest168750irq/16-i91508:37:581
25413993332,0cyclictest168750irq/16-i91507:55:571
25413993332,0cyclictest168750irq/16-i91507:41:461
25413993332,0cyclictest168750irq/16-i91507:31:211
25413993331,1cyclictest246650irq/16-enp2s0f010:19:361
25413993331,1cyclictest168750irq/16-i91511:46:241
25413993331,1cyclictest168750irq/16-i91511:03:511
25413993331,1cyclictest168750irq/16-i91509:31:151
25413993331,1cyclictest168750irq/16-i91508:55:301
25413993331,1cyclictest168750irq/16-i91508:48:251
25413993331,1cyclictest168750irq/16-i91507:16:471
25412993333,0cyclictest246650irq/16-enp2s0f008:28:360
25412993332,0cyclictest246650irq/16-enp2s0f012:30:480
25412993332,0cyclictest246650irq/16-enp2s0f012:09:040
25412993332,0cyclictest246650irq/16-enp2s0f011:53:580
25412993332,0cyclictest246650irq/16-enp2s0f011:46:340
25412993332,0cyclictest246650irq/16-enp2s0f011:36:420
25412993332,0cyclictest246650irq/16-enp2s0f011:09:100
25412993332,0cyclictest246650irq/16-enp2s0f011:03:150
25412993332,0cyclictest246650irq/16-enp2s0f010:49:420
25412993332,0cyclictest246650irq/16-enp2s0f010:40:470
25412993332,0cyclictest246650irq/16-enp2s0f010:17:270
25412993332,0cyclictest246650irq/16-enp2s0f010:13:140
25412993332,0cyclictest246650irq/16-enp2s0f010:06:140
25412993332,0cyclictest246650irq/16-enp2s0f010:04:290
25412993332,0cyclictest246650irq/16-enp2s0f009:56:130
25412993332,0cyclictest246650irq/16-enp2s0f009:28:490
25412993332,0cyclictest246650irq/16-enp2s0f008:35:300
25412993332,0cyclictest246650irq/16-enp2s0f008:23:210
25412993332,0cyclictest246650irq/16-enp2s0f008:15:480
25412993332,0cyclictest246650irq/16-enp2s0f007:48:100
25412993332,0cyclictest246650irq/16-enp2s0f007:38:130
25412993332,0cyclictest246650irq/16-enp2s0f007:25:160
25412993332,0cyclictest168750irq/16-i91510:30:420
25412993331,1cyclictest81ktimersoftd/008:45:150
25412993331,1cyclictest246650irq/16-enp2s0f012:25:200
25412993331,1cyclictest246650irq/16-enp2s0f010:57:240
25412993331,1cyclictest246650irq/16-enp2s0f009:48:380
25412993331,1cyclictest246650irq/16-enp2s0f009:10:030
25413993232,0cyclictest168750irq/16-i91512:26:351
25413993232,0cyclictest168750irq/16-i91512:03:481
25413993232,0cyclictest168750irq/16-i91511:28:261
25413993232,0cyclictest168750irq/16-i91509:17:461
25413993232,0cyclictest168750irq/16-i91508:57:061
25413993232,0cyclictest168750irq/16-i91507:07:521
25413993231,0cyclictest246650irq/16-enp2s0f011:40:521
25413993231,0cyclictest246650irq/16-enp2s0f010:40:391
25413993231,0cyclictest246650irq/16-enp2s0f010:36:071
25413993231,0cyclictest168750irq/16-i91511:30:411
25413993231,0cyclictest168750irq/16-i91511:15:431
25413993231,0cyclictest168750irq/16-i91510:55:301
25413993231,0cyclictest168750irq/16-i91510:51:321
25413993231,0cyclictest168750irq/16-i91510:46:181
25413993231,0cyclictest168750irq/16-i91510:10:301
25413993231,0cyclictest168750irq/16-i91510:01:061
25413993231,0cyclictest168750irq/16-i91509:56:161
25413993231,0cyclictest168750irq/16-i91509:25:421
25413993231,0cyclictest168750irq/16-i91509:00:491
25413993231,0cyclictest168750irq/16-i91508:25:311
25413993231,0cyclictest168750irq/16-i91508:20:421
25413993231,0cyclictest168750irq/16-i91508:18:001
25413993231,0cyclictest168750irq/16-i91507:35:371
25413993231,0cyclictest168750irq/16-i91507:25:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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