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2026-07-18 - 08:32
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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 Sat Jul 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22172428,27sleep00-21swapper/019:03:210
2598993833,4cyclictest168750irq/16-i91520:46:201
2598993833,4cyclictest168750irq/16-i91519:41:081
209023813,11sleep10-21swapper/119:02:081
2598993732,4cyclictest246650irq/16-enp2s0f020:16:151
2598993732,4cyclictest168750irq/16-i91522:41:431
2598993632,3cyclictest168750irq/16-i91500:17:511
2598993631,4cyclictest168750irq/16-i91522:56:421
2598993631,4cyclictest168750irq/16-i91522:46:441
2598993631,4cyclictest168750irq/16-i91521:01:241
2598993532,2cyclictest246650irq/16-enp2s0f000:06:021
2598993532,2cyclictest168750irq/16-i91523:41:001
2598993532,2cyclictest168750irq/16-i91523:26:491
2598993532,2cyclictest168750irq/16-i91523:02:351
2598993532,2cyclictest168750irq/16-i91521:59:091
2598993532,2cyclictest168750irq/16-i91521:13:441
2598993532,2cyclictest168750irq/16-i91520:26:171
2598993532,2cyclictest168750irq/16-i91519:25:331
2598993531,3cyclictest246650irq/16-enp2s0f022:36:421
2598993531,3cyclictest246650irq/16-enp2s0f000:09:151
2598993531,3cyclictest168750irq/16-i91523:52:451
2598993531,3cyclictest168750irq/16-i91523:42:431
2598993531,3cyclictest168750irq/16-i91523:17:371
2598993531,3cyclictest168750irq/16-i91522:39:541
2598993531,3cyclictest168750irq/16-i91522:10:231
2598993531,3cyclictest168750irq/16-i91521:52:241
2598993531,3cyclictest168750irq/16-i91521:47:011
2598993531,3cyclictest168750irq/16-i91521:27:361
2598993531,3cyclictest168750irq/16-i91519:50:461
2598993530,4cyclictest246650irq/16-enp2s0f020:11:151
2598993530,4cyclictest168750irq/16-i91522:56:451
2598993530,4cyclictest168750irq/16-i91522:31:411
2598993530,4cyclictest168750irq/16-i91519:31:061
2598993530,4cyclictest168750irq/16-i91500:00:011
2598993432,2cyclictest168750irq/16-i91523:23:111
2598993432,1cyclictest168750irq/16-i91520:31:181
2598993431,2cyclictest246650irq/16-enp2s0f020:18:171
2598993431,2cyclictest246650irq/16-enp2s0f019:43:151
2598993431,2cyclictest168750irq/16-i91523:11:521
2598993431,2cyclictest168750irq/16-i91522:26:401
2598993431,2cyclictest168750irq/16-i91522:11:541
2598993431,2cyclictest168750irq/16-i91521:35:471
2598993431,2cyclictest168750irq/16-i91521:16:521
2598993431,2cyclictest168750irq/16-i91521:04:021
2598993431,2cyclictest168750irq/16-i91520:53:201
2598993431,2cyclictest168750irq/16-i91520:51:231
2598993431,2cyclictest168750irq/16-i91520:03:491
2598993431,2cyclictest168750irq/16-i91519:57:011
2598993431,2cyclictest168750irq/16-i91519:09:031
2598993431,2cyclictest168750irq/16-i91500:33:351
2598993431,2cyclictest168750irq/16-i91500:27:461
2598993431,2cyclictest168750irq/16-i91500:25:501
2598993431,2cyclictest168750irq/16-i91500:14:081
2598993430,3cyclictest246650irq/16-enp2s0f019:33:051
2598993430,3cyclictest168750irq/16-i91523:09:091
2598993430,3cyclictest168750irq/16-i91522:06:361
2598993430,3cyclictest168750irq/16-i91519:53:091
2598993429,4cyclictest246650irq/16-enp2s0f021:08:421
2597993433,0cyclictest246650irq/16-enp2s0f022:26:180
2597993433,0cyclictest246650irq/16-enp2s0f021:39:550
2597993433,0cyclictest246650irq/16-enp2s0f021:21:270
2597993432,1cyclictest246650irq/16-enp2s0f022:39:160
2597993432,1cyclictest246650irq/16-enp2s0f019:16:030
2598993331,2cyclictest168750irq/16-i91521:44:071
2598993331,2cyclictest168750irq/16-i91521:36:581
2598993331,2cyclictest168750irq/16-i91520:36:531
2598993331,2cyclictest168750irq/16-i91519:11:421
2598993330,2cyclictest168750irq/16-i91523:31:571
2598993330,2cyclictest168750irq/16-i91522:20:241
2598993330,2cyclictest168750irq/16-i91521:21:571
2598993330,2cyclictest168750irq/16-i91520:31:541
2598993330,2cyclictest168750irq/16-i91519:19:581
2597993333,0cyclictest246650irq/16-enp2s0f020:47:500
2597993332,1cyclictest246650irq/16-enp2s0f022:31:530
2597993332,0cyclictest246650irq/16-enp2s0f023:58:240
2597993332,0cyclictest246650irq/16-enp2s0f023:16:480
2597993332,0cyclictest246650irq/16-enp2s0f023:02:050
2597993332,0cyclictest246650irq/16-enp2s0f022:27:250
2597993332,0cyclictest246650irq/16-enp2s0f022:17:080
2597993332,0cyclictest246650irq/16-enp2s0f022:12:320
2597993332,0cyclictest246650irq/16-enp2s0f022:11:350
2597993332,0cyclictest246650irq/16-enp2s0f021:46:320
2597993332,0cyclictest246650irq/16-enp2s0f021:27:590
2597993332,0cyclictest246650irq/16-enp2s0f021:22:010
2597993332,0cyclictest246650irq/16-enp2s0f020:51:520
2597993332,0cyclictest246650irq/16-enp2s0f020:42:390
2597993332,0cyclictest246650irq/16-enp2s0f020:32:160
2597993332,0cyclictest246650irq/16-enp2s0f020:27:240
2597993332,0cyclictest246650irq/16-enp2s0f019:58:590
2597993332,0cyclictest246650irq/16-enp2s0f019:43:190
2597993332,0cyclictest246650irq/16-enp2s0f019:31:470
2597993332,0cyclictest246650irq/16-enp2s0f019:27:180
2597993332,0cyclictest246650irq/16-enp2s0f000:21:570
2597993332,0cyclictest168750irq/16-i91522:58:540
2597993331,1cyclictest246650irq/16-enp2s0f022:51:440
2597993331,1cyclictest246650irq/16-enp2s0f021:36:420
2597993331,1cyclictest246650irq/16-enp2s0f021:16:420
2597993331,1cyclictest246650irq/16-enp2s0f020:18:420
2597993331,1cyclictest246650irq/16-enp2s0f020:13:130
2597993331,1cyclictest246650irq/16-enp2s0f019:53:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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