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2026-05-20 - 13:36
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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 Wed May 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393624515,22sleep00-21swapper/019:04:190
38042409,24sleep10-21swapper/119:02:571
4332993534,0cyclictest246650irq/16-enp2s0f023:38:140
4332993534,0cyclictest246650irq/16-enp2s0f022:52:500
4332993534,0cyclictest246650irq/16-enp2s0f020:13:160
4332993534,0cyclictest246650irq/16-enp2s0f019:36:000
4332993534,0cyclictest246650irq/16-enp2s0f000:13:270
4333993433,0cyclictest246650irq/16-enp2s0f020:38:381
4333993433,0cyclictest168750irq/16-i91519:31:421
4333993432,1cyclictest246650irq/16-enp2s0f023:28:471
4333993432,1cyclictest246650irq/16-enp2s0f023:00:451
4333993432,1cyclictest246650irq/16-enp2s0f022:21:591
4333993432,1cyclictest246650irq/16-enp2s0f021:32:501
4333993432,1cyclictest246650irq/16-enp2s0f021:14:091
4333993432,1cyclictest246650irq/16-enp2s0f019:17:511
4333993432,1cyclictest168750irq/16-i91520:28:291
4333993432,1cyclictest168750irq/16-i91500:36:561
4332993433,0cyclictest246650irq/16-enp2s0f023:17:230
4332993433,0cyclictest246650irq/16-enp2s0f023:08:220
4332993433,0cyclictest246650irq/16-enp2s0f022:27:550
4332993433,0cyclictest246650irq/16-enp2s0f021:23:550
4332993433,0cyclictest246650irq/16-enp2s0f021:13:000
4332993433,0cyclictest246650irq/16-enp2s0f020:37:550
4332993433,0cyclictest246650irq/16-enp2s0f019:52:120
4332993433,0cyclictest246650irq/16-enp2s0f019:10:230
4332993432,1cyclictest246650irq/16-enp2s0f023:53:480
4332993432,1cyclictest246650irq/16-enp2s0f022:14:130
4332993432,1cyclictest246650irq/16-enp2s0f021:57:510
4332993432,1cyclictest246650irq/16-enp2s0f020:53:470
4333993332,0cyclictest246650irq/16-enp2s0f023:53:361
4333993332,0cyclictest246650irq/16-enp2s0f023:48:111
4333993332,0cyclictest246650irq/16-enp2s0f023:37:341
4333993332,0cyclictest246650irq/16-enp2s0f023:26:291
4333993332,0cyclictest246650irq/16-enp2s0f023:20:261
4333993332,0cyclictest246650irq/16-enp2s0f023:08:541
4333993332,0cyclictest246650irq/16-enp2s0f022:54:451
4333993332,0cyclictest246650irq/16-enp2s0f022:23:211
4333993332,0cyclictest246650irq/16-enp2s0f022:08:121
4333993332,0cyclictest246650irq/16-enp2s0f021:58:081
4333993332,0cyclictest246650irq/16-enp2s0f021:53:511
4333993332,0cyclictest246650irq/16-enp2s0f021:47:511
4333993332,0cyclictest246650irq/16-enp2s0f021:33:301
4333993332,0cyclictest246650irq/16-enp2s0f020:58:031
4333993332,0cyclictest246650irq/16-enp2s0f020:48:011
4333993332,0cyclictest246650irq/16-enp2s0f020:43:051
4333993332,0cyclictest246650irq/16-enp2s0f020:33:021
4333993332,0cyclictest246650irq/16-enp2s0f020:20:481
4333993332,0cyclictest246650irq/16-enp2s0f020:06:371
4333993332,0cyclictest246650irq/16-enp2s0f019:53:441
4333993332,0cyclictest246650irq/16-enp2s0f019:37:551
4333993332,0cyclictest246650irq/16-enp2s0f019:37:021
4333993332,0cyclictest246650irq/16-enp2s0f019:19:041
4333993332,0cyclictest246650irq/16-enp2s0f000:24:121
4333993332,0cyclictest168750irq/16-i91523:42:141
4333993332,0cyclictest168750irq/16-i91523:13:041
4333993332,0cyclictest168750irq/16-i91523:07:261
4333993332,0cyclictest168750irq/16-i91522:49:491
4333993332,0cyclictest168750irq/16-i91521:18:161
4333993332,0cyclictest168750irq/16-i91521:04:241
4333993332,0cyclictest168750irq/16-i91520:53:161
4333993332,0cyclictest168750irq/16-i91520:27:051
4333993332,0cyclictest168750irq/16-i91520:13:201
4333993332,0cyclictest168750irq/16-i91519:58:471
4333993332,0cyclictest168750irq/16-i91519:49:451
4333993332,0cyclictest168750irq/16-i91519:46:181
4333993332,0cyclictest168750irq/16-i91500:22:071
4333993332,0cyclictest168750irq/16-i91500:07:441
4333993331,1cyclictest246650irq/16-enp2s0f022:28:221
4333993331,1cyclictest246650irq/16-enp2s0f021:10:051
4333993331,1cyclictest246650irq/16-enp2s0f019:26:541
4333993331,1cyclictest246650irq/16-enp2s0f019:08:001
4333993331,1cyclictest168750irq/16-i91522:47:281
4333993331,1cyclictest168750irq/16-i91522:37:121
4333993331,1cyclictest168750irq/16-i91522:03:371
4333993331,1cyclictest168750irq/16-i91521:42:371
4333993331,1cyclictest168750irq/16-i91500:09:351
4332993333,0cyclictest246650irq/16-enp2s0f021:39:480
4332993333,0cyclictest246650irq/16-enp2s0f021:08:410
4332993333,0cyclictest246650irq/16-enp2s0f020:19:190
4332993332,1cyclictest246650irq/16-enp2s0f022:21:530
4332993332,0cyclictest81ktimersoftd/022:59:510
4332993332,0cyclictest81ktimersoftd/000:01:370
4332993332,0cyclictest246650irq/16-enp2s0f023:43:160
4332993332,0cyclictest246650irq/16-enp2s0f023:34:260
4332993332,0cyclictest246650irq/16-enp2s0f023:28:550
4332993332,0cyclictest246650irq/16-enp2s0f023:23:200
4332993332,0cyclictest246650irq/16-enp2s0f023:06:240
4332993332,0cyclictest246650irq/16-enp2s0f022:55:010
4332993332,0cyclictest246650irq/16-enp2s0f022:43:310
4332993332,0cyclictest246650irq/16-enp2s0f022:38:080
4332993332,0cyclictest246650irq/16-enp2s0f022:23:330
4332993332,0cyclictest246650irq/16-enp2s0f022:08:090
4332993332,0cyclictest246650irq/16-enp2s0f021:36:500
4332993332,0cyclictest246650irq/16-enp2s0f021:28:180
4332993332,0cyclictest246650irq/16-enp2s0f020:58:530
4332993332,0cyclictest246650irq/16-enp2s0f020:33:110
4332993332,0cyclictest246650irq/16-enp2s0f020:29:250
4332993332,0cyclictest246650irq/16-enp2s0f020:03:520
4332993332,0cyclictest246650irq/16-enp2s0f019:58:070
4332993332,0cyclictest246650irq/16-enp2s0f019:54:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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