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2026-08-19 - 09:27
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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 Wed Aug 19, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148822418,26sleep00-21swapper/019:01:120
151832378,8sleep10-21swapper/119:04:201
15411993534,0cyclictest168750irq/16-i91523:07:421
15409993534,0cyclictest246650irq/16-enp2s0f020:33:360
15411993433,0cyclictest246650irq/16-enp2s0f023:18:021
15411993433,0cyclictest246650irq/16-enp2s0f020:52:391
15411993433,0cyclictest168750irq/16-i91523:33:511
15411993433,0cyclictest168750irq/16-i91521:12:421
15411993433,0cyclictest168750irq/16-i91521:09:421
15411993433,0cyclictest168750irq/16-i91520:48:461
15411993432,1cyclictest246650irq/16-enp2s0f019:46:491
15411993432,1cyclictest168750irq/16-i91519:15:591
15409993434,0cyclictest246650irq/16-enp2s0f023:24:270
15409993433,0cyclictest246650irq/16-enp2s0f023:30:280
15409993432,1cyclictest246650irq/16-enp2s0f023:04:230
15409993432,1cyclictest246650irq/16-enp2s0f019:31:040
15409993432,1cyclictest168750irq/16-i91520:28:300
15409993425,8cyclictest246650irq/16-enp2s0f023:47:270
15411993332,0cyclictest246650irq/16-enp2s0f023:21:521
15411993332,0cyclictest246650irq/16-enp2s0f021:27:241
15411993332,0cyclictest246650irq/16-enp2s0f020:37:221
15411993332,0cyclictest246650irq/16-enp2s0f019:34:151
15411993332,0cyclictest168750irq/16-i91523:56:101
15411993332,0cyclictest168750irq/16-i91523:51:281
15411993332,0cyclictest168750irq/16-i91523:50:291
15411993332,0cyclictest168750irq/16-i91523:41:141
15411993332,0cyclictest168750irq/16-i91523:26:161
15411993332,0cyclictest168750irq/16-i91523:01:121
15411993332,0cyclictest168750irq/16-i91522:51:181
15411993332,0cyclictest168750irq/16-i91522:46:301
15411993332,0cyclictest168750irq/16-i91522:41:011
15411993332,0cyclictest168750irq/16-i91522:34:421
15411993332,0cyclictest168750irq/16-i91522:26:481
15411993332,0cyclictest168750irq/16-i91522:17:421
15411993332,0cyclictest168750irq/16-i91522:12:091
15411993332,0cyclictest168750irq/16-i91521:45:581
15411993332,0cyclictest168750irq/16-i91521:25:551
15411993332,0cyclictest168750irq/16-i91520:45:471
15411993332,0cyclictest168750irq/16-i91520:35:461
15411993332,0cyclictest168750irq/16-i91520:21:551
15411993332,0cyclictest168750irq/16-i91520:19:211
15411993332,0cyclictest168750irq/16-i91520:15:441
15411993332,0cyclictest168750irq/16-i91520:10:231
15411993332,0cyclictest168750irq/16-i91519:57:041
15411993332,0cyclictest168750irq/16-i91519:44:471
15411993332,0cyclictest168750irq/16-i91500:31:281
15411993332,0cyclictest168750irq/16-i91500:28:481
15411993332,0cyclictest168750irq/16-i91500:22:341
15411993332,0cyclictest168750irq/16-i91500:18:131
15411993332,0cyclictest168750irq/16-i91500:07:471
15411993332,0cyclictest168750irq/16-i91500:02:361
15411993331,1cyclictest246650irq/16-enp2s0f019:54:301
15411993331,1cyclictest168750irq/16-i91522:41:091
15411993331,1cyclictest168750irq/16-i91519:06:531
15409993333,0cyclictest246650irq/16-enp2s0f000:24:300
15409993332,0cyclictest246650irq/16-enp2s0f023:56:540
15409993332,0cyclictest246650irq/16-enp2s0f023:54:140
15409993332,0cyclictest246650irq/16-enp2s0f023:31:160
15409993332,0cyclictest246650irq/16-enp2s0f023:11:300
15409993332,0cyclictest246650irq/16-enp2s0f023:00:320
15409993332,0cyclictest246650irq/16-enp2s0f022:26:360
15409993332,0cyclictest246650irq/16-enp2s0f022:16:170
15409993332,0cyclictest246650irq/16-enp2s0f021:55:570
15409993332,0cyclictest246650irq/16-enp2s0f021:42:440
15409993332,0cyclictest246650irq/16-enp2s0f021:36:450
15409993332,0cyclictest246650irq/16-enp2s0f021:35:040
15409993332,0cyclictest246650irq/16-enp2s0f021:01:290
15409993332,0cyclictest246650irq/16-enp2s0f020:56:320
15409993332,0cyclictest246650irq/16-enp2s0f020:24:180
15409993332,0cyclictest246650irq/16-enp2s0f020:15:240
15409993332,0cyclictest246650irq/16-enp2s0f019:52:090
15409993332,0cyclictest246650irq/16-enp2s0f019:46:560
15409993332,0cyclictest246650irq/16-enp2s0f019:11:170
15409993332,0cyclictest168750irq/16-i91520:16:140
15409993331,1cyclictest246650irq/16-enp2s0f023:07:200
15409993331,1cyclictest246650irq/16-enp2s0f020:11:050
15409993331,1cyclictest246650irq/16-enp2s0f000:13:210
15409993323,9cyclictest246650irq/16-enp2s0f019:40:450
15411993232,0cyclictest168750irq/16-i91521:57:251
15411993232,0cyclictest168750irq/16-i91520:26:141
15411993231,0cyclictest246650irq/16-enp2s0f023:36:161
15411993231,0cyclictest246650irq/16-enp2s0f021:32:191
15411993231,0cyclictest246650irq/16-enp2s0f021:17:091
15411993231,0cyclictest168750irq/16-i91522:57:361
15411993231,0cyclictest168750irq/16-i91522:21:191
15411993231,0cyclictest168750irq/16-i91522:01:321
15411993231,0cyclictest168750irq/16-i91521:51:201
15411993231,0cyclictest168750irq/16-i91521:40:321
15411993231,0cyclictest168750irq/16-i91521:01:261
15411993231,0cyclictest168750irq/16-i91520:56:061
15411993231,0cyclictest168750irq/16-i91520:01:531
15411993231,0cyclictest168750irq/16-i91519:36:321
15411993231,0cyclictest168750irq/16-i91519:27:251
15411993231,0cyclictest168750irq/16-i91519:21:261
15411993231,0cyclictest168750irq/16-i91519:19:471
15411993231,0cyclictest168750irq/16-i91500:11:241
15411993230,1cyclictest168750irq/16-i91523:11:131
15411993229,0cyclictest246650irq/16-enp2s0f022:06:091
15409993232,0cyclictest246650irq/16-enp2s0f023:18:140
15409993232,0cyclictest246650irq/16-enp2s0f022:46:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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