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2026-08-31 - 03:42
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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 Mon Aug 31, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
478624717,22sleep00-21swapper/019:01:190
5280994131,9cyclictest246650irq/16-enp2s0f020:30:500
501524018,15sleep10-21swapper/119:03:431
5280993932,6cyclictest246650irq/16-enp2s0f000:11:030
5280993931,7cyclictest246650irq/16-enp2s0f022:35:510
5280993832,5cyclictest246650irq/16-enp2s0f019:50:080
5280993831,6cyclictest246650irq/16-enp2s0f022:32:430
5280993830,7cyclictest246650irq/16-enp2s0f023:16:130
5280993734,2cyclictest246650irq/16-enp2s0f023:05:390
5280993732,4cyclictest246650irq/16-enp2s0f000:24:090
5280993732,4cyclictest168750irq/16-i91520:20:130
5280993731,5cyclictest246650irq/16-enp2s0f023:51:570
5280993731,5cyclictest246650irq/16-enp2s0f020:55:200
5280993731,5cyclictest246650irq/16-enp2s0f020:00:100
5280993729,7cyclictest246650irq/16-enp2s0f023:30:510
5280993632,3cyclictest246650irq/16-enp2s0f023:14:180
5280993632,3cyclictest246650irq/16-enp2s0f020:48:560
5280993632,3cyclictest246650irq/16-enp2s0f020:24:380
5280993631,4cyclictest246650irq/16-enp2s0f019:22:020
5280993630,5cyclictest246650irq/16-enp2s0f022:21:440
5280993630,5cyclictest246650irq/16-enp2s0f022:10:340
5280993630,5cyclictest246650irq/16-enp2s0f019:35:060
5281993534,0cyclictest168750irq/16-i91520:24:491
5280993532,2cyclictest246650irq/16-enp2s0f023:31:150
5280993532,2cyclictest246650irq/16-enp2s0f022:47:280
5280993532,2cyclictest246650irq/16-enp2s0f022:45:320
5280993532,2cyclictest246650irq/16-enp2s0f022:19:060
5280993532,2cyclictest246650irq/16-enp2s0f022:05:040
5280993532,2cyclictest246650irq/16-enp2s0f021:29:060
5280993532,2cyclictest246650irq/16-enp2s0f021:05:180
5280993532,2cyclictest246650irq/16-enp2s0f020:58:350
5280993532,2cyclictest246650irq/16-enp2s0f020:05:130
5280993532,2cyclictest246650irq/16-enp2s0f019:51:370
5280993531,4cyclictest246650irq/16-enp2s0f023:45:210
5280993531,3cyclictest246650irq/16-enp2s0f023:56:140
5280993531,3cyclictest246650irq/16-enp2s0f023:46:420
5280993531,3cyclictest246650irq/16-enp2s0f023:22:490
5280993531,3cyclictest246650irq/16-enp2s0f022:54:050
5280993531,3cyclictest246650irq/16-enp2s0f021:56:010
5280993531,3cyclictest246650irq/16-enp2s0f021:12:530
5280993531,3cyclictest246650irq/16-enp2s0f021:09:150
5280993531,3cyclictest246650irq/16-enp2s0f020:37:590
5280993531,3cyclictest246650irq/16-enp2s0f020:32:460
5280993531,3cyclictest246650irq/16-enp2s0f020:13:200
5280993531,3cyclictest246650irq/16-enp2s0f019:26:130
5280993531,3cyclictest246650irq/16-enp2s0f019:19:300
5280993531,3cyclictest246650irq/16-enp2s0f019:11:160
5280993531,3cyclictest246650irq/16-enp2s0f019:06:330
5280993531,3cyclictest246650irq/16-enp2s0f000:31:000
5280993531,3cyclictest246650irq/16-enp2s0f000:02:500
5280993530,4cyclictest246650irq/16-enp2s0f022:10:580
5280993530,4cyclictest246650irq/16-enp2s0f000:30:400
5281993433,0cyclictest246650irq/16-enp2s0f023:09:501
5281993433,0cyclictest168750irq/16-i91519:28:291
5281993433,0cyclictest168750irq/16-i91500:32:051
5281993432,1cyclictest168750irq/16-i91523:41:551
5281993432,1cyclictest168750irq/16-i91522:45:401
5281993432,1cyclictest168750irq/16-i91522:34:271
5280993431,2cyclictest246650irq/16-enp2s0f022:26:230
5280993431,2cyclictest246650irq/16-enp2s0f021:52:300
5280993431,2cyclictest246650irq/16-enp2s0f021:49:570
5280993431,2cyclictest246650irq/16-enp2s0f019:36:470
5280993431,2cyclictest246650irq/16-enp2s0f000:16:030
5280993430,3cyclictest246650irq/16-enp2s0f023:08:230
5280993430,3cyclictest246650irq/16-enp2s0f022:56:040
5280993430,3cyclictest246650irq/16-enp2s0f021:38:510
5280993430,3cyclictest246650irq/16-enp2s0f021:19:050
5280993430,3cyclictest246650irq/16-enp2s0f020:06:570
5280993430,3cyclictest168750irq/16-i91521:32:230
5280993429,4cyclictest246650irq/16-enp2s0f023:35:520
5280993426,7cyclictest246650irq/16-enp2s0f021:22:290
5281993332,0cyclictest246650irq/16-enp2s0f023:14:471
5281993332,0cyclictest246650irq/16-enp2s0f023:04:291
5281993332,0cyclictest246650irq/16-enp2s0f022:46:121
5281993332,0cyclictest246650irq/16-enp2s0f022:12:381
5281993332,0cyclictest168750irq/16-i91523:30:111
5281993332,0cyclictest168750irq/16-i91523:23:121
5281993332,0cyclictest168750irq/16-i91522:55:201
5281993332,0cyclictest168750irq/16-i91522:02:351
5281993332,0cyclictest168750irq/16-i91521:52:421
5281993332,0cyclictest168750irq/16-i91521:50:431
5281993332,0cyclictest168750irq/16-i91521:39:561
5281993332,0cyclictest168750irq/16-i91521:19:151
5281993332,0cyclictest168750irq/16-i91521:06:111
5281993332,0cyclictest168750irq/16-i91520:33:381
5281993332,0cyclictest168750irq/16-i91520:16:151
5281993332,0cyclictest168750irq/16-i91520:10:071
5281993332,0cyclictest168750irq/16-i91519:51:271
5281993332,0cyclictest168750irq/16-i91519:18:051
5281993332,0cyclictest168750irq/16-i91500:06:051
5281993332,0cyclictest168750irq/16-i91500:02:511
5281993331,1cyclictest168750irq/16-i91523:34:111
5281993331,1cyclictest168750irq/16-i91522:20:351
5281993331,1cyclictest168750irq/16-i91522:00:331
5281993331,1cyclictest168750irq/16-i91521:44:391
5281993331,1cyclictest168750irq/16-i91520:51:101
5281993331,1cyclictest168750irq/16-i91520:30:151
5281993331,1cyclictest168750irq/16-i91500:17:021
5280993332,0cyclictest246650irq/16-enp2s0f021:41:030
5280993332,0cyclictest246650irq/16-enp2s0f020:45:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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