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2026-05-11 - 12:22
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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 Mon May 11, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181042590,0sleep10-21swapper/120:33:021
649924910,8sleep00-21swapper/019:05:110
653924115,19sleep10-21swapper/119:05:381
6826993831,6cyclictest246650irq/16-enp2s0f021:18:010
6828993535,0cyclictest168750irq/16-i91520:09:551
6826993534,0cyclictest246650irq/16-enp2s0f023:05:050
6828993434,0cyclictest246650irq/16-enp2s0f023:27:411
6826993434,0cyclictest246650irq/16-enp2s0f021:59:110
6826993433,0cyclictest246650irq/16-enp2s0f019:54:170
6826993432,1cyclictest246650irq/16-enp2s0f023:49:010
6826993432,1cyclictest246650irq/16-enp2s0f023:19:110
6826993432,1cyclictest246650irq/16-enp2s0f023:17:000
6826993432,1cyclictest246650irq/16-enp2s0f022:08:570
6826993432,1cyclictest246650irq/16-enp2s0f022:08:570
6826993432,1cyclictest246650irq/16-enp2s0f020:29:360
6828993333,0cyclictest246650irq/16-enp2s0f021:11:191
6828993332,0cyclictest246650irq/16-enp2s0f022:53:181
6828993332,0cyclictest246650irq/16-enp2s0f000:33:411
6828993332,0cyclictest246650irq/16-enp2s0f000:03:281
6828993332,0cyclictest168750irq/16-i91523:59:101
6828993332,0cyclictest168750irq/16-i91523:52:501
6828993332,0cyclictest168750irq/16-i91523:29:531
6828993332,0cyclictest168750irq/16-i91522:48:041
6828993332,0cyclictest168750irq/16-i91522:41:101
6828993332,0cyclictest168750irq/16-i91522:33:441
6828993332,0cyclictest168750irq/16-i91522:18:431
6828993332,0cyclictest168750irq/16-i91522:13:371
6828993332,0cyclictest168750irq/16-i91522:09:411
6828993332,0cyclictest168750irq/16-i91522:09:411
6828993332,0cyclictest168750irq/16-i91521:58:291
6828993332,0cyclictest168750irq/16-i91521:39:521
6828993332,0cyclictest168750irq/16-i91521:25:291
6828993332,0cyclictest168750irq/16-i91520:55:271
6828993332,0cyclictest168750irq/16-i91520:18:381
6828993332,0cyclictest168750irq/16-i91519:38:271
6828993332,0cyclictest168750irq/16-i91500:23:411
6828993331,1cyclictest168750irq/16-i91519:44:311
6828993331,1cyclictest168750irq/16-i91519:13:231
6828993331,1cyclictest168750irq/16-i91500:19:061
6826993333,0cyclictest246650irq/16-enp2s0f022:36:250
6826993332,0cyclictest246650irq/16-enp2s0f023:58:060
6826993332,0cyclictest246650irq/16-enp2s0f023:43:590
6826993332,0cyclictest246650irq/16-enp2s0f023:38:440
6826993332,0cyclictest246650irq/16-enp2s0f023:38:440
6826993332,0cyclictest246650irq/16-enp2s0f023:33:160
6826993332,0cyclictest246650irq/16-enp2s0f022:57:590
6826993332,0cyclictest246650irq/16-enp2s0f022:48:470
6826993332,0cyclictest246650irq/16-enp2s0f022:24:220
6826993332,0cyclictest246650irq/16-enp2s0f022:13:580
6826993332,0cyclictest246650irq/16-enp2s0f021:48:500
6826993332,0cyclictest246650irq/16-enp2s0f021:36:370
6826993332,0cyclictest246650irq/16-enp2s0f021:03:450
6826993332,0cyclictest246650irq/16-enp2s0f020:43:060
6826993332,0cyclictest246650irq/16-enp2s0f019:18:570
6826993332,0cyclictest246650irq/16-enp2s0f019:13:500
6826993332,0cyclictest246650irq/16-enp2s0f000:33:240
6826993332,0cyclictest246650irq/16-enp2s0f000:28:250
6826993332,0cyclictest246650irq/16-enp2s0f000:25:380
6826993332,0cyclictest168750irq/16-i91520:53:450
6826993331,1cyclictest246650irq/16-enp2s0f022:08:020
6826993331,1cyclictest246650irq/16-enp2s0f021:28:510
6826993331,1cyclictest246650irq/16-enp2s0f020:48:440
6826993331,1cyclictest246650irq/16-enp2s0f020:13:130
6826993331,1cyclictest168750irq/16-i91520:03:330
6828993232,0cyclictest246650irq/16-enp2s0f023:05:141
6828993232,0cyclictest246650irq/16-enp2s0f021:33:171
6828993232,0cyclictest246650irq/16-enp2s0f021:29:281
6828993232,0cyclictest246650irq/16-enp2s0f021:03:381
6828993232,0cyclictest246650irq/16-enp2s0f000:13:131
6828993232,0cyclictest168750irq/16-i91523:43:231
6828993232,0cyclictest168750irq/16-i91523:17:281
6828993232,0cyclictest168750irq/16-i91522:58:341
6828993232,0cyclictest168750irq/16-i91522:29:461
6828993232,0cyclictest168750irq/16-i91522:25:441
6828993232,0cyclictest168750irq/16-i91522:03:511
6828993232,0cyclictest168750irq/16-i91521:21:281
6828993232,0cyclictest168750irq/16-i91520:46:461
6828993232,0cyclictest168750irq/16-i91520:38:131
6828993232,0cyclictest168750irq/16-i91520:34:271
6828993232,0cyclictest168750irq/16-i91520:05:331
6828993232,0cyclictest168750irq/16-i91519:55:541
6828993232,0cyclictest168750irq/16-i91519:48:231
6828993232,0cyclictest168750irq/16-i91519:09:251
6828993231,0cyclictest168750irq/16-i91523:53:191
6828993231,0cyclictest168750irq/16-i91523:09:461
6828993231,0cyclictest168750irq/16-i91522:44:041
6828993231,0cyclictest168750irq/16-i91521:54:081
6828993231,0cyclictest168750irq/16-i91521:43:541
6828993231,0cyclictest168750irq/16-i91520:58:461
6828993231,0cyclictest168750irq/16-i91520:13:351
6828993231,0cyclictest168750irq/16-i91519:23:251
6828993231,0cyclictest168750irq/16-i91519:21:211
6828993231,0cyclictest168750irq/16-i91500:09:041
6828993230,1cyclictest168750irq/16-i91521:13:491
6826993232,0cyclictest246650irq/16-enp2s0f023:28:390
6826993232,0cyclictest246650irq/16-enp2s0f023:08:040
6826993232,0cyclictest246650irq/16-enp2s0f022:44:010
6826993232,0cyclictest246650irq/16-enp2s0f022:18:020
6826993232,0cyclictest246650irq/16-enp2s0f021:53:280
6826993232,0cyclictest246650irq/16-enp2s0f021:44:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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