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2026-08-15 - 00:54
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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 Fri Aug 14, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
781024516,21sleep00-21swapper/007:02:580
78112378,22sleep10-21swapper/107:02:591
8180993534,0cyclictest246650irq/16-enp2s0f007:32:371
8179993534,0cyclictest246650irq/16-enp2s0f008:38:130
8179993534,0cyclictest246650irq/16-enp2s0f008:38:130
8180993434,0cyclictest168750irq/16-i91511:24:281
8180993433,0cyclictest246650irq/16-enp2s0f010:23:511
8180993433,0cyclictest246650irq/16-enp2s0f010:23:511
8180993433,0cyclictest246650irq/16-enp2s0f008:27:101
8180993433,0cyclictest246650irq/16-enp2s0f007:44:551
8180993433,0cyclictest246650irq/16-enp2s0f007:28:401
8180993432,1cyclictest246650irq/16-enp2s0f012:32:201
8180993432,1cyclictest246650irq/16-enp2s0f011:52:101
8180993432,1cyclictest246650irq/16-enp2s0f011:07:531
8180993432,1cyclictest246650irq/16-enp2s0f010:59:461
8180993432,1cyclictest246650irq/16-enp2s0f010:53:481
8180993432,1cyclictest246650irq/16-enp2s0f010:42:011
8180993432,1cyclictest246650irq/16-enp2s0f010:02:461
8180993432,1cyclictest246650irq/16-enp2s0f009:43:121
8180993432,1cyclictest246650irq/16-enp2s0f009:24:341
8180993432,1cyclictest246650irq/16-enp2s0f008:59:051
8180993432,1cyclictest246650irq/16-enp2s0f008:11:531
8179993432,1cyclictest246650irq/16-enp2s0f012:23:120
8179993432,1cyclictest246650irq/16-enp2s0f009:53:490
8179993432,1cyclictest246650irq/16-enp2s0f009:00:280
8179993432,1cyclictest246650irq/16-enp2s0f007:18:220
8179993432,1cyclictest246650irq/16-enp2s0f007:07:240
8179993428,5cyclictest246650irq/16-enp2s0f011:51:370
8180993332,0cyclictest246650irq/16-enp2s0f012:21:511
8180993332,0cyclictest246650irq/16-enp2s0f012:16:171
8180993332,0cyclictest246650irq/16-enp2s0f012:11:371
8180993332,0cyclictest246650irq/16-enp2s0f012:09:011
8180993332,0cyclictest246650irq/16-enp2s0f011:57:021
8180993332,0cyclictest246650irq/16-enp2s0f011:48:301
8180993332,0cyclictest246650irq/16-enp2s0f011:41:401
8180993332,0cyclictest246650irq/16-enp2s0f011:26:461
8180993332,0cyclictest246650irq/16-enp2s0f011:20:411
8180993332,0cyclictest246650irq/16-enp2s0f011:12:221
8180993332,0cyclictest246650irq/16-enp2s0f010:46:211
8180993332,0cyclictest246650irq/16-enp2s0f010:36:591
8180993332,0cyclictest246650irq/16-enp2s0f010:34:261
8180993332,0cyclictest246650irq/16-enp2s0f010:26:281
8180993332,0cyclictest246650irq/16-enp2s0f010:20:221
8180993332,0cyclictest246650irq/16-enp2s0f009:56:431
8180993332,0cyclictest246650irq/16-enp2s0f009:51:331
8180993332,0cyclictest246650irq/16-enp2s0f009:46:311
8180993332,0cyclictest246650irq/16-enp2s0f009:36:101
8180993332,0cyclictest246650irq/16-enp2s0f009:31:221
8180993332,0cyclictest246650irq/16-enp2s0f009:26:331
8180993332,0cyclictest246650irq/16-enp2s0f009:17:051
8180993332,0cyclictest246650irq/16-enp2s0f009:11:301
8180993332,0cyclictest246650irq/16-enp2s0f008:51:261
8180993332,0cyclictest246650irq/16-enp2s0f008:48:431
8180993332,0cyclictest246650irq/16-enp2s0f008:41:381
8180993332,0cyclictest246650irq/16-enp2s0f008:38:111
8180993332,0cyclictest246650irq/16-enp2s0f008:38:111
8180993332,0cyclictest246650irq/16-enp2s0f008:31:561
8180993332,0cyclictest246650irq/16-enp2s0f008:21:491
8180993332,0cyclictest246650irq/16-enp2s0f008:16:491
8180993332,0cyclictest246650irq/16-enp2s0f008:01:381
8180993332,0cyclictest246650irq/16-enp2s0f007:57:421
8180993332,0cyclictest246650irq/16-enp2s0f007:51:251
8180993332,0cyclictest246650irq/16-enp2s0f007:46:321
8180993332,0cyclictest246650irq/16-enp2s0f007:24:301
8180993332,0cyclictest246650irq/16-enp2s0f007:19:021
8180993332,0cyclictest246650irq/16-enp2s0f007:12:441
8180993332,0cyclictest246650irq/16-enp2s0f007:08:431
8180993332,0cyclictest168750irq/16-i91512:27:431
8180993332,0cyclictest168750irq/16-i91511:36:571
8180993332,0cyclictest168750irq/16-i91508:06:501
8180993331,1cyclictest246650irq/16-enp2s0f012:02:341
8180993331,1cyclictest246650irq/16-enp2s0f010:11:151
8180993331,1cyclictest246650irq/16-enp2s0f010:09:511
8180993331,1cyclictest168750irq/16-i91509:02:131
8179993332,0cyclictest246650irq/16-enp2s0f012:32:100
8179993332,0cyclictest246650irq/16-enp2s0f012:29:200
8179993332,0cyclictest246650irq/16-enp2s0f012:19:380
8179993332,0cyclictest246650irq/16-enp2s0f012:09:520
8179993332,0cyclictest246650irq/16-enp2s0f011:56:380
8179993332,0cyclictest246650irq/16-enp2s0f011:50:180
8179993332,0cyclictest246650irq/16-enp2s0f011:43:160
8179993332,0cyclictest246650irq/16-enp2s0f011:32:490
8179993332,0cyclictest246650irq/16-enp2s0f011:27:190
8179993332,0cyclictest246650irq/16-enp2s0f011:17:150
8179993332,0cyclictest246650irq/16-enp2s0f011:14:010
8179993332,0cyclictest246650irq/16-enp2s0f011:07:460
8179993332,0cyclictest246650irq/16-enp2s0f010:49:010
8179993332,0cyclictest246650irq/16-enp2s0f010:36:230
8179993332,0cyclictest246650irq/16-enp2s0f010:32:150
8179993332,0cyclictest246650irq/16-enp2s0f010:21:530
8179993332,0cyclictest246650irq/16-enp2s0f010:21:530
8179993332,0cyclictest246650irq/16-enp2s0f010:11:170
8179993332,0cyclictest246650irq/16-enp2s0f010:07:000
8179993332,0cyclictest246650irq/16-enp2s0f010:04:370
8179993332,0cyclictest246650irq/16-enp2s0f009:47:410
8179993332,0cyclictest246650irq/16-enp2s0f009:41:420
8179993332,0cyclictest246650irq/16-enp2s0f009:36:190
8179993332,0cyclictest246650irq/16-enp2s0f009:16:240
8179993332,0cyclictest246650irq/16-enp2s0f009:14:440
8179993332,0cyclictest246650irq/16-enp2s0f008:34:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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