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2026-09-21 - 16:24
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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 Sep 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180382449,8sleep10-21swapper/107:03:391
178032428,8sleep00-21swapper/007:01:120
18268993732,4cyclictest246650irq/16-enp2s0f010:26:520
18268993732,4cyclictest246650irq/16-enp2s0f009:51:320
18268993731,5cyclictest246650irq/16-enp2s0f011:43:560
18268993731,5cyclictest246650irq/16-enp2s0f008:28:190
18268993730,6cyclictest168750irq/16-i91507:40:390
18268993632,3cyclictest246650irq/16-enp2s0f010:11:410
18268993632,3cyclictest246650irq/16-enp2s0f007:36:530
18268993632,3cyclictest246650irq/16-enp2s0f007:30:260
18268993632,3cyclictest246650irq/16-enp2s0f007:05:320
18268993631,4cyclictest246650irq/16-enp2s0f012:19:120
18268993631,4cyclictest246650irq/16-enp2s0f011:17:050
18268993631,4cyclictest246650irq/16-enp2s0f010:58:480
18268993631,4cyclictest246650irq/16-enp2s0f010:30:290
18268993631,4cyclictest246650irq/16-enp2s0f009:42:520
18268993631,4cyclictest246650irq/16-enp2s0f009:11:000
18268993631,4cyclictest246650irq/16-enp2s0f008:32:140
18268993631,4cyclictest246650irq/16-enp2s0f007:45:410
18268993630,5cyclictest246650irq/16-enp2s0f011:55:250
18268993630,5cyclictest246650irq/16-enp2s0f011:31:140
18268993630,5cyclictest246650irq/16-enp2s0f008:58:250
18268993532,2cyclictest246650irq/16-enp2s0f010:00:400
18268993532,2cyclictest246650irq/16-enp2s0f009:09:430
18268993532,2cyclictest246650irq/16-enp2s0f008:38:320
18268993532,2cyclictest246650irq/16-enp2s0f008:13:150
18268993532,2cyclictest246650irq/16-enp2s0f007:55:490
18268993532,2cyclictest168750irq/16-i91510:49:480
18268993531,3cyclictest246650irq/16-enp2s0f012:03:170
18268993531,3cyclictest246650irq/16-enp2s0f011:58:170
18268993531,3cyclictest246650irq/16-enp2s0f011:20:560
18268993531,3cyclictest246650irq/16-enp2s0f011:11:420
18268993531,3cyclictest246650irq/16-enp2s0f011:05:320
18268993531,3cyclictest246650irq/16-enp2s0f010:53:340
18268993531,3cyclictest246650irq/16-enp2s0f009:55:430
18268993531,3cyclictest246650irq/16-enp2s0f009:45:400
18268993531,3cyclictest246650irq/16-enp2s0f009:36:540
18268993531,3cyclictest246650irq/16-enp2s0f009:31:300
18268993531,3cyclictest246650irq/16-enp2s0f009:15:510
18268993531,3cyclictest246650irq/16-enp2s0f008:01:410
18268993531,3cyclictest246650irq/16-enp2s0f007:16:060
18268993531,3cyclictest246650irq/16-enp2s0f007:14:520
18268993531,3cyclictest168750irq/16-i91510:37:190
18268993530,4cyclictest246650irq/16-enp2s0f010:15:340
18268993530,4cyclictest246650irq/16-enp2s0f010:08:350
18268993529,5cyclictest246650irq/16-enp2s0f012:29:040
18268993529,0cyclictest246650irq/16-enp2s0f012:23:420
18270993433,0cyclictest168750irq/16-i91510:41:201
18270993432,1cyclictest168750irq/16-i91508:13:161
18268993433,0cyclictest246650irq/16-enp2s0f008:45:340
18268993433,0cyclictest246650irq/16-enp2s0f007:53:120
18268993432,2cyclictest246650irq/16-enp2s0f008:06:150
18268993432,1cyclictest246650irq/16-enp2s0f010:23:420
18268993431,2cyclictest246650irq/16-enp2s0f012:08:550
18268993431,2cyclictest246650irq/16-enp2s0f011:00:470
18268993431,2cyclictest246650irq/16-enp2s0f010:42:110
18268993431,2cyclictest246650irq/16-enp2s0f009:05:190
18268993431,2cyclictest246650irq/16-enp2s0f008:22:160
18268993431,2cyclictest246650irq/16-enp2s0f007:25:320
18268993430,3cyclictest246650irq/16-enp2s0f009:25:400
18268993430,3cyclictest168750irq/16-i91512:32:000
18268993429,4cyclictest246650irq/16-enp2s0f008:43:220
18268993427,6cyclictest246650irq/16-enp2s0f007:21:230
18270993333,0cyclictest168750irq/16-i91510:17:531
18270993333,0cyclictest168750irq/16-i91508:38:211
18270993333,0cyclictest168750irq/16-i91508:03:471
18270993332,0cyclictest246650irq/16-enp2s0f012:32:281
18270993332,0cyclictest246650irq/16-enp2s0f009:08:071
18270993332,0cyclictest168750irq/16-i91512:05:461
18270993332,0cyclictest168750irq/16-i91512:00:341
18270993332,0cyclictest168750irq/16-i91511:58:591
18270993332,0cyclictest168750irq/16-i91511:39:051
18270993332,0cyclictest168750irq/16-i91511:31:011
18270993332,0cyclictest168750irq/16-i91511:18:391
18270993332,0cyclictest168750irq/16-i91510:58:481
18270993332,0cyclictest168750irq/16-i91510:46:341
18270993332,0cyclictest168750irq/16-i91510:12:231
18270993332,0cyclictest168750irq/16-i91509:39:461
18270993332,0cyclictest168750irq/16-i91509:13:501
18270993332,0cyclictest168750irq/16-i91509:02:511
18270993332,0cyclictest168750irq/16-i91508:26:041
18270993332,0cyclictest168750irq/16-i91508:23:181
18270993332,0cyclictest168750irq/16-i91508:08:261
18270993332,0cyclictest168750irq/16-i91507:59:391
18270993332,0cyclictest168750irq/16-i91507:45:581
18270993332,0cyclictest168750irq/16-i91507:21:021
18270993332,0cyclictest168750irq/16-i91507:13:171
18270993331,1cyclictest168750irq/16-i91511:13:501
18270993331,1cyclictest168750irq/16-i91509:48:361
18268993332,0cyclictest246650irq/16-enp2s0f011:45:590
18268993332,0cyclictest246650irq/16-enp2s0f011:36:410
18268993332,0cyclictest246650irq/16-enp2s0f009:22:210
18268993332,0cyclictest246650irq/16-enp2s0f008:52:090
18268993329,3cyclictest246650irq/16-enp2s0f012:10:490
18270993232,0cyclictest246650irq/16-enp2s0f010:50:381
18270993232,0cyclictest168750irq/16-i91512:13:441
18270993232,0cyclictest168750irq/16-i91511:40:491
18270993232,0cyclictest168750irq/16-i91511:25:291
18270993232,0cyclictest168750irq/16-i91511:20:471
18270993232,0cyclictest168750irq/16-i91510:21:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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