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2026-04-18 - 20:07
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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 Apr 18, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125252560,0sleep00-21swapper/007:53:280
60062478,8sleep00-21swapper/007:04:280
61562439,8sleep10-21swapper/107:06:011
6449993830,7cyclictest246650irq/16-enp2s0f007:38:270
6450993433,0cyclictest168750irq/16-i91507:47:321
6449993432,1cyclictest246650irq/16-enp2s0f011:39:390
6449993432,1cyclictest246650irq/16-enp2s0f011:29:060
6449993432,1cyclictest246650irq/16-enp2s0f009:38:470
6449993432,1cyclictest246650irq/16-enp2s0f008:31:220
6449993431,2cyclictest246650irq/16-enp2s0f007:59:080
6450993332,0cyclictest246650irq/16-enp2s0f011:13:501
6450993332,0cyclictest246650irq/16-enp2s0f007:08:301
6450993332,0cyclictest168750irq/16-i91512:32:521
6450993332,0cyclictest168750irq/16-i91510:46:541
6450993332,0cyclictest168750irq/16-i91509:59:381
6450993332,0cyclictest168750irq/16-i91509:38:121
6450993332,0cyclictest168750irq/16-i91509:22:201
6450993332,0cyclictest168750irq/16-i91509:04:001
6450993332,0cyclictest168750irq/16-i91508:50:031
6449993332,0cyclictest246650irq/16-enp2s0f012:19:150
6449993332,0cyclictest246650irq/16-enp2s0f012:13:460
6449993332,0cyclictest246650irq/16-enp2s0f012:11:250
6449993332,0cyclictest246650irq/16-enp2s0f012:06:260
6449993332,0cyclictest246650irq/16-enp2s0f011:50:300
6449993332,0cyclictest246650irq/16-enp2s0f011:25:400
6449993332,0cyclictest246650irq/16-enp2s0f011:13:390
6449993332,0cyclictest246650irq/16-enp2s0f011:08:320
6449993332,0cyclictest246650irq/16-enp2s0f011:03:330
6449993332,0cyclictest246650irq/16-enp2s0f010:53:130
6449993332,0cyclictest246650irq/16-enp2s0f010:41:140
6449993332,0cyclictest246650irq/16-enp2s0f010:34:010
6449993332,0cyclictest246650irq/16-enp2s0f010:30:030
6449993332,0cyclictest246650irq/16-enp2s0f010:23:310
6449993332,0cyclictest246650irq/16-enp2s0f010:14:090
6449993332,0cyclictest246650irq/16-enp2s0f009:53:380
6449993332,0cyclictest246650irq/16-enp2s0f009:50:220
6449993332,0cyclictest246650irq/16-enp2s0f009:46:080
6449993332,0cyclictest246650irq/16-enp2s0f009:34:270
6449993332,0cyclictest246650irq/16-enp2s0f009:29:400
6449993332,0cyclictest246650irq/16-enp2s0f009:01:130
6449993332,0cyclictest246650irq/16-enp2s0f008:53:350
6449993332,0cyclictest246650irq/16-enp2s0f008:43:340
6449993332,0cyclictest246650irq/16-enp2s0f008:37:390
6449993332,0cyclictest246650irq/16-enp2s0f008:19:220
6449993332,0cyclictest246650irq/16-enp2s0f008:03:400
6449993332,0cyclictest246650irq/16-enp2s0f007:53:480
6449993332,0cyclictest246650irq/16-enp2s0f007:41:040
6449993332,0cyclictest246650irq/16-enp2s0f007:30:390
6449993332,0cyclictest246650irq/16-enp2s0f007:24:310
6449993332,0cyclictest246650irq/16-enp2s0f007:18:580
6449993331,1cyclictest246650irq/16-enp2s0f012:37:050
6449993331,1cyclictest246650irq/16-enp2s0f012:30:380
6449993331,1cyclictest246650irq/16-enp2s0f011:58:080
6449993331,1cyclictest246650irq/16-enp2s0f011:47:410
6449993331,1cyclictest246650irq/16-enp2s0f011:36:580
6449993331,1cyclictest246650irq/16-enp2s0f010:03:380
6449993331,1cyclictest246650irq/16-enp2s0f009:58:530
6449993331,1cyclictest246650irq/16-enp2s0f009:05:210
6449993331,1cyclictest246650irq/16-enp2s0f008:15:160
6449993331,1cyclictest246650irq/16-enp2s0f008:08:400
6450993232,0cyclictest246650irq/16-enp2s0f012:17:051
6450993232,0cyclictest168750irq/16-i91512:20:211
6450993231,0cyclictest168750irq/16-i91511:47:531
6450993231,0cyclictest168750irq/16-i91511:30:381
6450993231,0cyclictest168750irq/16-i91511:09:211
6450993231,0cyclictest168750irq/16-i91510:55:501
6450993231,0cyclictest168750irq/16-i91510:41:011
6450993231,0cyclictest168750irq/16-i91509:45:561
6450993231,0cyclictest168750irq/16-i91508:33:121
6450993231,0cyclictest168750irq/16-i91507:32:121
6449993232,0cyclictest246650irq/16-enp2s0f012:25:180
6449993232,0cyclictest246650irq/16-enp2s0f011:20:220
6449993232,0cyclictest246650irq/16-enp2s0f010:44:040
6449993232,0cyclictest246650irq/16-enp2s0f010:18:460
6449993232,0cyclictest246650irq/16-enp2s0f009:20:000
6449993232,0cyclictest246650irq/16-enp2s0f007:13:440
6449993231,0cyclictest246650irq/16-enp2s0f011:58:380
6449993231,0cyclictest246650irq/16-enp2s0f010:59:210
6449993231,0cyclictest246650irq/16-enp2s0f010:54:060
6449993231,0cyclictest246650irq/16-enp2s0f010:08:380
6449993231,0cyclictest246650irq/16-enp2s0f009:23:420
6449993231,0cyclictest246650irq/16-enp2s0f009:15:510
6449993231,0cyclictest246650irq/16-enp2s0f009:09:060
6449993231,0cyclictest246650irq/16-enp2s0f008:48:550
6449993231,0cyclictest246650irq/16-enp2s0f008:23:300
6449993231,0cyclictest246650irq/16-enp2s0f007:43:290
6449993231,0cyclictest246650irq/16-enp2s0f007:09:590
6449993230,1cyclictest246650irq/16-enp2s0f008:39:060
6450993131,0cyclictest168750irq/16-i91511:20:471
6450993131,0cyclictest168750irq/16-i91510:15:511
6450993131,0cyclictest168750irq/16-i91509:38:461
6450993131,0cyclictest168750irq/16-i91509:27:081
6450993131,0cyclictest168750irq/16-i91508:22:431
6450993131,0cyclictest168750irq/16-i91507:34:231
6450993130,0cyclictest246650irq/16-enp2s0f008:28:261
6450993130,0cyclictest168750irq/16-i91508:54:151
6450993030,0cyclictest168750irq/16-i91510:59:591
6450993029,0cyclictest246650irq/16-enp2s0f009:10:351
6450992928,0cyclictest168750irq/16-i91508:06:401
6450992927,1cyclictest168750irq/16-i91511:50:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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