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2026-08-27 - 11:54
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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 Thu Aug 27, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
497124212,22sleep00-21swapper/019:03:150
5283993830,7cyclictest246650irq/16-enp2s0f020:50:360
476123822,8sleep10-21swapper/119:01:061
5283993531,0cyclictest168750irq/16-i91521:15:150
5284993433,0cyclictest246650irq/16-enp2s0f021:02:131
5284993433,0cyclictest168750irq/16-i91521:45:331
5283993434,0cyclictest246650irq/16-enp2s0f020:21:480
5283993433,0cyclictest246650irq/16-enp2s0f022:33:030
5283993433,0cyclictest246650irq/16-enp2s0f019:25:060
5283993432,1cyclictest246650irq/16-enp2s0f023:57:570
5283993432,1cyclictest246650irq/16-enp2s0f023:47:060
5283993432,1cyclictest246650irq/16-enp2s0f023:45:530
5283993432,1cyclictest246650irq/16-enp2s0f022:27:010
5283993432,1cyclictest246650irq/16-enp2s0f020:20:040
5283993432,1cyclictest246650irq/16-enp2s0f019:50:390
5284993332,0cyclictest246650irq/16-enp2s0f023:02:011
5284993332,0cyclictest246650irq/16-enp2s0f022:35:221
5284993332,0cyclictest246650irq/16-enp2s0f022:21:451
5284993332,0cyclictest246650irq/16-enp2s0f020:31:081
5284993332,0cyclictest246650irq/16-enp2s0f020:06:361
5284993332,0cyclictest246650irq/16-enp2s0f019:55:281
5284993332,0cyclictest246650irq/16-enp2s0f000:31:001
5284993332,0cyclictest246650irq/16-enp2s0f000:15:431
5284993332,0cyclictest246650irq/16-enp2s0f000:03:321
5284993332,0cyclictest168750irq/16-i91523:59:331
5284993332,0cyclictest168750irq/16-i91523:47:061
5284993332,0cyclictest168750irq/16-i91523:25:571
5284993332,0cyclictest168750irq/16-i91523:08:151
5284993332,0cyclictest168750irq/16-i91522:38:191
5284993332,0cyclictest168750irq/16-i91522:12:121
5284993332,0cyclictest168750irq/16-i91522:06:501
5284993332,0cyclictest168750irq/16-i91521:38:341
5284993332,0cyclictest168750irq/16-i91521:33:261
5284993332,0cyclictest168750irq/16-i91521:23:451
5284993332,0cyclictest168750irq/16-i91521:19:381
5284993332,0cyclictest168750irq/16-i91520:38:391
5284993332,0cyclictest168750irq/16-i91520:11:401
5284993332,0cyclictest168750irq/16-i91520:02:161
5284993332,0cyclictest168750irq/16-i91519:58:471
5284993332,0cyclictest168750irq/16-i91519:26:071
5284993332,0cyclictest168750irq/16-i91519:08:271
5284993332,0cyclictest168750irq/16-i91500:28:441
5284993332,0cyclictest168750irq/16-i91500:17:111
5284993331,1cyclictest168750irq/16-i91523:15:121
5284993331,1cyclictest168750irq/16-i91500:22:071
5283993332,0cyclictest246650irq/16-enp2s0f023:53:460
5283993332,0cyclictest246650irq/16-enp2s0f023:11:160
5283993332,0cyclictest246650irq/16-enp2s0f022:51:030
5283993332,0cyclictest246650irq/16-enp2s0f022:41:140
5283993332,0cyclictest246650irq/16-enp2s0f022:06:490
5283993332,0cyclictest246650irq/16-enp2s0f021:42:000
5283993332,0cyclictest246650irq/16-enp2s0f021:36:060
5283993332,0cyclictest246650irq/16-enp2s0f021:28:060
5283993332,0cyclictest246650irq/16-enp2s0f021:17:070
5283993332,0cyclictest246650irq/16-enp2s0f021:10:140
5283993332,0cyclictest246650irq/16-enp2s0f020:57:300
5283993332,0cyclictest246650irq/16-enp2s0f020:50:550
5283993332,0cyclictest246650irq/16-enp2s0f020:37:080
5283993332,0cyclictest246650irq/16-enp2s0f020:26:270
5283993332,0cyclictest246650irq/16-enp2s0f019:51:120
5283993332,0cyclictest246650irq/16-enp2s0f019:40:550
5283993332,0cyclictest246650irq/16-enp2s0f019:06:120
5283993332,0cyclictest246650irq/16-enp2s0f000:31:490
5283993332,0cyclictest246650irq/16-enp2s0f000:22:120
5283993332,0cyclictest246650irq/16-enp2s0f000:05:010
5283993332,0cyclictest168750irq/16-i91523:28:200
5283993331,1cyclictest246650irq/16-enp2s0f023:07:500
5283993331,1cyclictest246650irq/16-enp2s0f020:45:090
5284993232,0cyclictest168750irq/16-i91522:49:131
5284993232,0cyclictest168750irq/16-i91522:28:281
5284993232,0cyclictest168750irq/16-i91521:49:571
5284993232,0cyclictest168750irq/16-i91520:48:031
5284993232,0cyclictest168750irq/16-i91520:42:571
5284993232,0cyclictest168750irq/16-i91520:21:391
5284993232,0cyclictest168750irq/16-i91520:18:371
5284993232,0cyclictest168750irq/16-i91519:44:181
5284993232,0cyclictest168750irq/16-i91519:11:271
5284993231,0cyclictest246650irq/16-enp2s0f023:43:041
5284993231,0cyclictest246650irq/16-enp2s0f022:59:041
5284993231,0cyclictest246650irq/16-enp2s0f021:59:231
5284993231,0cyclictest246650irq/16-enp2s0f000:08:251
5284993231,0cyclictest168750irq/16-i91523:52:451
5284993231,0cyclictest168750irq/16-i91523:36:231
5284993231,0cyclictest168750irq/16-i91523:35:381
5284993231,0cyclictest168750irq/16-i91523:21:581
5284993231,0cyclictest168750irq/16-i91522:51:591
5284993231,0cyclictest168750irq/16-i91522:41:001
5284993231,0cyclictest168750irq/16-i91522:15:591
5284993231,0cyclictest168750irq/16-i91522:01:121
5284993231,0cyclictest168750irq/16-i91521:51:091
5284993231,0cyclictest168750irq/16-i91521:27:221
5284993231,0cyclictest168750irq/16-i91521:14:301
5284993231,0cyclictest168750irq/16-i91521:06:001
5284993231,0cyclictest168750irq/16-i91520:59:141
5284993231,0cyclictest168750irq/16-i91519:35:561
5284993231,0cyclictest168750irq/16-i91519:31:061
5284993231,0cyclictest168750irq/16-i91519:21:121
5284993231,0cyclictest168750irq/16-i91519:19:551
5284993230,1cyclictest246650irq/16-enp2s0f020:54:461
5284993230,1cyclictest168750irq/16-i91520:26:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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