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2026-08-14 - 12:21
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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 Aug 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
968524312,23sleep00-21swapper/019:04:150
976123512,15sleep10-21swapper/119:05:061
9924993432,1cyclictest168750irq/16-i91521:40:441
9924993432,1cyclictest168750irq/16-i91520:12:301
9924993432,1cyclictest168750irq/16-i91519:57:591
9923993434,0cyclictest246650irq/16-enp2s0f021:28:320
9923993433,0cyclictest246650irq/16-enp2s0f022:48:160
9923993433,0cyclictest246650irq/16-enp2s0f000:07:040
9923993432,1cyclictest246650irq/16-enp2s0f023:54:300
9923993432,1cyclictest246650irq/16-enp2s0f022:26:110
9923993432,1cyclictest246650irq/16-enp2s0f022:06:400
9923993432,1cyclictest246650irq/16-enp2s0f021:01:350
9923993432,1cyclictest246650irq/16-enp2s0f020:25:490
9923993432,1cyclictest168750irq/16-i91522:11:410
9924993333,0cyclictest246650irq/16-enp2s0f019:27:441
9924993333,0cyclictest168750irq/16-i91520:33:421
9924993332,0cyclictest246650irq/16-enp2s0f022:56:441
9924993332,0cyclictest246650irq/16-enp2s0f022:31:281
9924993332,0cyclictest246650irq/16-enp2s0f022:01:441
9924993332,0cyclictest246650irq/16-enp2s0f021:12:471
9924993332,0cyclictest246650irq/16-enp2s0f019:21:251
9924993332,0cyclictest168750irq/16-i91523:56:041
9924993332,0cyclictest168750irq/16-i91523:50:271
9924993332,0cyclictest168750irq/16-i91523:37:061
9924993332,0cyclictest168750irq/16-i91523:16:501
9924993332,0cyclictest168750irq/16-i91522:46:481
9924993332,0cyclictest168750irq/16-i91522:44:261
9924993332,0cyclictest168750irq/16-i91522:36:181
9924993332,0cyclictest168750irq/16-i91522:06:121
9924993332,0cyclictest168750irq/16-i91521:56:101
9924993332,0cyclictest168750irq/16-i91521:49:321
9924993332,0cyclictest168750irq/16-i91521:43:181
9924993332,0cyclictest168750irq/16-i91521:30:521
9924993332,0cyclictest168750irq/16-i91521:04:041
9924993332,0cyclictest168750irq/16-i91520:38:261
9924993332,0cyclictest168750irq/16-i91500:02:051
9924993331,1cyclictest168750irq/16-i91500:26:561
9923993332,0cyclictest246650irq/16-enp2s0f023:59:140
9923993332,0cyclictest246650irq/16-enp2s0f023:41:410
9923993332,0cyclictest246650irq/16-enp2s0f023:26:160
9923993332,0cyclictest246650irq/16-enp2s0f023:22:330
9923993332,0cyclictest246650irq/16-enp2s0f023:16:120
9923993332,0cyclictest246650irq/16-enp2s0f023:13:100
9923993332,0cyclictest246650irq/16-enp2s0f023:08:130
9923993332,0cyclictest246650irq/16-enp2s0f023:04:200
9923993332,0cyclictest246650irq/16-enp2s0f022:59:590
9923993332,0cyclictest246650irq/16-enp2s0f022:41:220
9923993332,0cyclictest246650irq/16-enp2s0f022:34:580
9923993332,0cyclictest246650irq/16-enp2s0f022:20:540
9923993332,0cyclictest246650irq/16-enp2s0f022:01:390
9923993332,0cyclictest246650irq/16-enp2s0f021:41:350
9923993332,0cyclictest246650irq/16-enp2s0f021:21:220
9923993332,0cyclictest246650irq/16-enp2s0f021:21:090
9923993332,0cyclictest246650irq/16-enp2s0f020:54:160
9923993332,0cyclictest246650irq/16-enp2s0f020:46:220
9923993332,0cyclictest246650irq/16-enp2s0f020:42:300
9923993332,0cyclictest246650irq/16-enp2s0f020:36:220
9923993332,0cyclictest246650irq/16-enp2s0f020:21:030
9923993332,0cyclictest246650irq/16-enp2s0f020:11:220
9923993332,0cyclictest246650irq/16-enp2s0f020:01:150
9923993332,0cyclictest246650irq/16-enp2s0f019:52:130
9923993332,0cyclictest246650irq/16-enp2s0f019:50:490
9923993332,0cyclictest246650irq/16-enp2s0f019:38:590
9923993332,0cyclictest246650irq/16-enp2s0f019:31:530
9923993332,0cyclictest246650irq/16-enp2s0f019:22:530
9923993332,0cyclictest246650irq/16-enp2s0f019:17:460
9923993332,0cyclictest246650irq/16-enp2s0f000:21:350
9923993332,0cyclictest246650irq/16-enp2s0f000:18:280
9923993332,0cyclictest246650irq/16-enp2s0f000:03:010
9923993332,0cyclictest168750irq/16-i91523:48:410
9923993331,1cyclictest246650irq/16-enp2s0f020:27:280
9923993331,1cyclictest246650irq/16-enp2s0f020:10:530
9923993331,1cyclictest246650irq/16-enp2s0f019:57:460
9923993331,1cyclictest246650irq/16-enp2s0f019:16:100
9923993331,1cyclictest246650irq/16-enp2s0f000:30:210
9924993232,0cyclictest246650irq/16-enp2s0f021:21:311
9924993232,0cyclictest168750irq/16-i91523:27:511
9924993232,0cyclictest168750irq/16-i91523:11:501
9924993232,0cyclictest168750irq/16-i91522:30:191
9924993232,0cyclictest168750irq/16-i91522:19:521
9924993232,0cyclictest168750irq/16-i91520:56:111
9924993232,0cyclictest168750irq/16-i91520:49:181
9924993232,0cyclictest168750irq/16-i91520:22:271
9924993232,0cyclictest168750irq/16-i91520:16:341
9924993232,0cyclictest168750irq/16-i91519:51:341
9924993232,0cyclictest168750irq/16-i91519:46:451
9924993232,0cyclictest168750irq/16-i91519:45:051
9924993232,0cyclictest168750irq/16-i91519:17:221
9924993232,0cyclictest168750irq/16-i91519:11:341
9924993232,0cyclictest168750irq/16-i91500:25:541
9924993231,1cyclictest168750irq/16-i91523:58:531
9924993231,0cyclictest246650irq/16-enp2s0f022:21:391
9924993231,0cyclictest246650irq/16-enp2s0f019:06:451
9924993231,0cyclictest168750irq/16-i91523:06:511
9924993231,0cyclictest168750irq/16-i91523:01:201
9924993231,0cyclictest168750irq/16-i91522:51:481
9924993231,0cyclictest168750irq/16-i91522:11:311
9924993231,0cyclictest168750irq/16-i91521:56:381
9924993231,0cyclictest168750irq/16-i91521:06:391
9924993231,0cyclictest168750irq/16-i91520:51:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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