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2026-08-18 - 02:30
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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 Tue Aug 18, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141524810,8sleep00-21swapper/019:05:550
1495993534,0cyclictest246650irq/16-enp2s0f020:06:240
1495993529,5cyclictest246650irq/16-enp2s0f023:52:030
99823418,8sleep10-21swapper/119:01:351
1496993433,0cyclictest168750irq/16-i91521:59:041
1496993433,0cyclictest168750irq/16-i91519:07:131
1496993432,1cyclictest168750irq/16-i91522:51:291
1496993432,1cyclictest168750irq/16-i91521:20:331
1496993432,1cyclictest168750irq/16-i91520:56:081
1496993432,1cyclictest168750irq/16-i91520:52:381
1496993432,1cyclictest168750irq/16-i91520:41:051
1496993432,1cyclictest168750irq/16-i91520:06:061
1496993432,1cyclictest168750irq/16-i91519:40:531
1495993433,0cyclictest246650irq/16-enp2s0f022:22:320
1495993433,0cyclictest246650irq/16-enp2s0f020:59:440
1495993433,0cyclictest246650irq/16-enp2s0f020:32:210
1495993432,1cyclictest246650irq/16-enp2s0f020:52:380
1495993432,1cyclictest246650irq/16-enp2s0f019:18:360
1496993332,0cyclictest246650irq/16-enp2s0f021:01:221
1496993332,0cyclictest168750irq/16-i91523:42:291
1496993332,0cyclictest168750irq/16-i91523:36:361
1496993332,0cyclictest168750irq/16-i91523:31:351
1496993332,0cyclictest168750irq/16-i91523:21:591
1496993332,0cyclictest168750irq/16-i91523:14:221
1496993332,0cyclictest168750irq/16-i91522:41:451
1496993332,0cyclictest168750irq/16-i91522:26:161
1496993332,0cyclictest168750irq/16-i91522:25:071
1496993332,0cyclictest168750irq/16-i91522:13:081
1496993332,0cyclictest168750irq/16-i91522:01:191
1496993332,0cyclictest168750irq/16-i91521:47:391
1496993332,0cyclictest168750irq/16-i91521:21:561
1496993332,0cyclictest168750irq/16-i91520:45:291
1496993332,0cyclictest168750irq/16-i91520:28:061
1496993332,0cyclictest168750irq/16-i91520:21:191
1496993332,0cyclictest168750irq/16-i91520:18:311
1496993332,0cyclictest168750irq/16-i91520:06:481
1496993332,0cyclictest168750irq/16-i91519:41:391
1496993332,0cyclictest168750irq/16-i91519:30:181
1496993332,0cyclictest168750irq/16-i91519:22:081
1496993332,0cyclictest168750irq/16-i91519:13:261
1496993332,0cyclictest168750irq/16-i91500:11:391
1496993332,0cyclictest168750irq/16-i91500:06:201
1496993331,1cyclictest168750irq/16-i91523:56:131
1496993331,1cyclictest168750irq/16-i91522:31:251
1496993331,1cyclictest168750irq/16-i91521:51:181
1496993331,1cyclictest168750irq/16-i91521:11:111
1496993331,1cyclictest168750irq/16-i91521:06:101
1496993331,1cyclictest168750irq/16-i91519:16:111
1496993331,1cyclictest168750irq/16-i91500:30:231
1496993331,1cyclictest168750irq/16-i91500:21:451
1496993331,1cyclictest168750irq/16-i91500:20:391
1495993333,0cyclictest246650irq/16-enp2s0f023:08:210
1495993333,0cyclictest246650irq/16-enp2s0f021:42:320
1495993333,0cyclictest246650irq/16-enp2s0f021:28:080
1495993332,1cyclictest246650irq/16-enp2s0f019:26:230
1495993332,0cyclictest246650irq/16-enp2s0f023:31:350
1495993332,0cyclictest246650irq/16-enp2s0f023:11:080
1495993332,0cyclictest246650irq/16-enp2s0f022:50:040
1495993332,0cyclictest246650irq/16-enp2s0f022:41:450
1495993332,0cyclictest246650irq/16-enp2s0f022:31:250
1495993332,0cyclictest246650irq/16-enp2s0f022:26:160
1495993332,0cyclictest246650irq/16-enp2s0f022:13:200
1495993332,0cyclictest246650irq/16-enp2s0f022:03:460
1495993332,0cyclictest246650irq/16-enp2s0f021:33:040
1495993332,0cyclictest246650irq/16-enp2s0f021:21:560
1495993332,0cyclictest246650irq/16-enp2s0f021:11:110
1495993332,0cyclictest246650irq/16-enp2s0f021:06:100
1495993332,0cyclictest246650irq/16-enp2s0f020:50:370
1495993332,0cyclictest246650irq/16-enp2s0f020:44:060
1495993332,0cyclictest246650irq/16-enp2s0f020:36:320
1495993332,0cyclictest246650irq/16-enp2s0f020:26:290
1495993332,0cyclictest246650irq/16-enp2s0f020:21:190
1495993332,0cyclictest246650irq/16-enp2s0f020:14:040
1495993332,0cyclictest246650irq/16-enp2s0f020:01:170
1495993332,0cyclictest246650irq/16-enp2s0f019:56:290
1495993332,0cyclictest246650irq/16-enp2s0f019:51:570
1495993332,0cyclictest246650irq/16-enp2s0f019:50:370
1495993332,0cyclictest246650irq/16-enp2s0f019:41:390
1495993332,0cyclictest246650irq/16-enp2s0f019:40:530
1495993332,0cyclictest246650irq/16-enp2s0f019:35:440
1495993332,0cyclictest246650irq/16-enp2s0f019:06:300
1495993332,0cyclictest246650irq/16-enp2s0f000:25:120
1495993332,0cyclictest246650irq/16-enp2s0f000:06:350
1495993332,0cyclictest168750irq/16-i91521:01:190
1495993331,1cyclictest246650irq/16-enp2s0f023:40:240
1495993331,1cyclictest246650irq/16-enp2s0f023:16:330
1495993331,1cyclictest246650irq/16-enp2s0f022:07:590
1495993331,1cyclictest246650irq/16-enp2s0f021:16:120
1495993331,1cyclictest246650irq/16-enp2s0f019:21:330
1495993331,1cyclictest246650irq/16-enp2s0f019:13:130
1495993331,1cyclictest246650irq/16-enp2s0f000:26:120
1496993232,0cyclictest168750irq/16-i91523:54:091
1496993232,0cyclictest168750irq/16-i91519:57:291
1496993231,0cyclictest246650irq/16-enp2s0f019:33:441
1496993231,0cyclictest168750irq/16-i91523:46:071
1496993231,0cyclictest168750irq/16-i91523:26:191
1496993231,0cyclictest168750irq/16-i91523:17:411
1496993231,0cyclictest168750irq/16-i91523:06:141
1496993231,0cyclictest168750irq/16-i91522:46:281
1496993231,0cyclictest168750irq/16-i91522:18:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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