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2026-08-04 - 04:42
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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 04, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2182924912,8sleep00-21swapper/019:02:220
22278994130,10cyclictest246650irq/16-enp2s0f021:45:350
220482369,8sleep10-21swapper/119:04:351
22278993533,1cyclictest246650irq/16-enp2s0f020:57:330
22278993432,1cyclictest246650irq/16-enp2s0f022:52:420
22278993432,1cyclictest246650irq/16-enp2s0f022:22:090
22278993432,1cyclictest246650irq/16-enp2s0f021:25:320
22278993432,1cyclictest246650irq/16-enp2s0f021:20:180
22278993432,1cyclictest246650irq/16-enp2s0f020:31:140
22278993432,1cyclictest246650irq/16-enp2s0f020:06:090
22278993432,1cyclictest246650irq/16-enp2s0f019:15:300
22278993432,1cyclictest246650irq/16-enp2s0f000:27:010
22278993431,2cyclictest246650irq/16-enp2s0f020:41:160
22279993332,0cyclictest246650irq/16-enp2s0f023:06:451
22279993332,0cyclictest168750irq/16-i91523:45:121
22279993332,0cyclictest168750irq/16-i91521:48:531
22279993332,0cyclictest168750irq/16-i91520:41:461
22279993332,0cyclictest168750irq/16-i91520:13:001
22279993332,0cyclictest168750irq/16-i91519:42:391
22279993332,0cyclictest168750irq/16-i91519:38:031
22278993332,0cyclictest246650irq/16-enp2s0f023:59:510
22278993332,0cyclictest246650irq/16-enp2s0f023:52:030
22278993332,0cyclictest246650irq/16-enp2s0f023:49:010
22278993332,0cyclictest246650irq/16-enp2s0f023:43:250
22278993332,0cyclictest246650irq/16-enp2s0f023:36:500
22278993332,0cyclictest246650irq/16-enp2s0f023:26:530
22278993332,0cyclictest246650irq/16-enp2s0f023:18:430
22278993332,0cyclictest246650irq/16-enp2s0f023:10:030
22278993332,0cyclictest246650irq/16-enp2s0f023:04:280
22278993332,0cyclictest246650irq/16-enp2s0f022:58:260
22278993332,0cyclictest246650irq/16-enp2s0f022:28:190
22278993332,0cyclictest246650irq/16-enp2s0f022:17:220
22278993332,0cyclictest246650irq/16-enp2s0f022:06:320
22278993332,0cyclictest246650irq/16-enp2s0f022:02:540
22278993332,0cyclictest246650irq/16-enp2s0f021:58:220
22278993332,0cyclictest246650irq/16-enp2s0f021:46:240
22278993332,0cyclictest246650irq/16-enp2s0f021:36:320
22278993332,0cyclictest246650irq/16-enp2s0f021:31:530
22278993332,0cyclictest246650irq/16-enp2s0f021:29:340
22278993332,0cyclictest246650irq/16-enp2s0f021:06:300
22278993332,0cyclictest246650irq/16-enp2s0f021:03:400
22278993332,0cyclictest246650irq/16-enp2s0f020:53:370
22278993332,0cyclictest246650irq/16-enp2s0f020:31:430
22278993332,0cyclictest246650irq/16-enp2s0f020:21:390
22278993332,0cyclictest246650irq/16-enp2s0f020:20:480
22278993332,0cyclictest246650irq/16-enp2s0f020:13:520
22278993332,0cyclictest246650irq/16-enp2s0f020:08:090
22278993332,0cyclictest246650irq/16-enp2s0f019:51:210
22278993332,0cyclictest246650irq/16-enp2s0f019:31:480
22278993332,0cyclictest246650irq/16-enp2s0f019:21:350
22278993332,0cyclictest246650irq/16-enp2s0f019:17:510
22278993332,0cyclictest246650irq/16-enp2s0f000:16:550
22278993332,0cyclictest246650irq/16-enp2s0f000:11:470
22278993332,0cyclictest246650irq/16-enp2s0f000:06:240
22278993332,0cyclictest246650irq/16-enp2s0f000:02:240
22278993331,1cyclictest246650irq/16-enp2s0f023:12:440
22278993331,1cyclictest246650irq/16-enp2s0f022:47:250
22278993331,1cyclictest246650irq/16-enp2s0f021:52:050
22278993331,1cyclictest246650irq/16-enp2s0f020:43:060
22278993331,1cyclictest246650irq/16-enp2s0f019:58:370
22278993331,1cyclictest246650irq/16-enp2s0f019:56:060
22278993331,1cyclictest246650irq/16-enp2s0f019:07:340
22278993331,1cyclictest246650irq/16-enp2s0f000:24:220
22279993232,0cyclictest168750irq/16-i91523:32:411
22279993232,0cyclictest168750irq/16-i91522:43:381
22279993232,0cyclictest168750irq/16-i91522:23:431
22279993232,0cyclictest168750irq/16-i91521:03:261
22279993232,0cyclictest168750irq/16-i91500:01:331
22279993231,0cyclictest246650irq/16-enp2s0f000:31:591
22279993231,0cyclictest168750irq/16-i91520:06:361
22278993232,0cyclictest246650irq/16-enp2s0f023:21:260
22278993232,0cyclictest246650irq/16-enp2s0f021:11:250
22278993232,0cyclictest246650irq/16-enp2s0f019:41:330
22278993231,0cyclictest246650irq/16-enp2s0f023:31:490
22278993231,0cyclictest246650irq/16-enp2s0f022:41:440
22278993231,0cyclictest246650irq/16-enp2s0f022:31:570
22278993231,0cyclictest246650irq/16-enp2s0f022:11:250
22278993231,0cyclictest246650irq/16-enp2s0f020:46:360
22278993231,0cyclictest246650irq/16-enp2s0f019:36:350
22278993231,0cyclictest246650irq/16-enp2s0f019:26:350
22278993231,0cyclictest246650irq/16-enp2s0f000:32:180
22278993230,1cyclictest246650irq/16-enp2s0f022:36:540
22279993131,0cyclictest246650irq/16-enp2s0f020:30:221
22279993131,0cyclictest168750irq/16-i91522:47:021
22279993029,0cyclictest246650irq/16-enp2s0f023:04:591
22279993028,1cyclictest246650irq/16-enp2s0f019:11:221
22279993028,1cyclictest168750irq/16-i91522:06:321
22279993028,1cyclictest168750irq/16-i91500:06:561
22279992928,0cyclictest168750irq/16-i91523:25:351
22279992928,0cyclictest168750irq/16-i91523:20:041
22279992928,0cyclictest168750irq/16-i91523:13:231
22279992928,0cyclictest168750irq/16-i91522:02:541
22279992928,0cyclictest168750irq/16-i91521:56:301
22279992928,0cyclictest168750irq/16-i91521:56:031
22279992928,0cyclictest168750irq/16-i91520:57:331
22279992928,0cyclictest168750irq/16-i91520:53:371
22279992928,0cyclictest168750irq/16-i91500:19:221
22279992927,1cyclictest168750irq/16-i91521:31:531
22279992927,1cyclictest168750irq/16-i91521:26:361
22279992927,1cyclictest168750irq/16-i91521:21:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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