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2026-08-02 - 06:37
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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 Sun Aug 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299362468,8sleep00-21swapper/019:05:510
3004899370,36cyclictest168750irq/16-i91523:56:240
30049993433,0cyclictest246650irq/16-enp2s0f023:43:081
30049993433,0cyclictest168750irq/16-i91500:06:471
30049993432,1cyclictest168750irq/16-i91520:57:521
30049993430,3cyclictest168750irq/16-i91521:29:551
30048993432,1cyclictest246650irq/16-enp2s0f023:16:100
30048993432,1cyclictest246650irq/16-enp2s0f021:36:250
30048993432,1cyclictest246650irq/16-enp2s0f021:07:480
30048993432,1cyclictest246650irq/16-enp2s0f019:58:180
30048993432,1cyclictest246650irq/16-enp2s0f000:34:360
30048993432,1cyclictest168750irq/16-i91522:56:390
30048993432,1cyclictest168750irq/16-i91522:01:280
30049993333,0cyclictest168750irq/16-i91521:49:341
30049993332,0cyclictest246650irq/16-enp2s0f021:54:201
30049993332,0cyclictest246650irq/16-enp2s0f021:44:311
30049993332,0cyclictest246650irq/16-enp2s0f020:55:561
30049993332,0cyclictest246650irq/16-enp2s0f019:57:111
30049993332,0cyclictest246650irq/16-enp2s0f000:01:511
30049993332,0cyclictest168750irq/16-i91523:46:481
30049993332,0cyclictest168750irq/16-i91523:31:311
30049993332,0cyclictest168750irq/16-i91523:21:201
30049993332,0cyclictest168750irq/16-i91523:12:151
30049993332,0cyclictest168750irq/16-i91522:24:331
30049993332,0cyclictest168750irq/16-i91522:20:331
30049993332,0cyclictest168750irq/16-i91522:12:151
30049993332,0cyclictest168750irq/16-i91522:08:451
30049993332,0cyclictest168750irq/16-i91521:22:501
30049993332,0cyclictest168750irq/16-i91520:29:431
30049993332,0cyclictest168750irq/16-i91520:21:111
30049993332,0cyclictest168750irq/16-i91520:11:091
30049993332,0cyclictest168750irq/16-i91519:46:481
30049993332,0cyclictest168750irq/16-i91519:45:041
30049993332,0cyclictest168750irq/16-i91519:29:321
30049993332,0cyclictest168750irq/16-i91519:18:081
30049993332,0cyclictest168750irq/16-i91519:13:141
30049993332,0cyclictest168750irq/16-i91519:06:551
30049993332,0cyclictest168750irq/16-i91500:17:301
30049993332,0cyclictest168750irq/16-i91500:00:271
30049993331,1cyclictest168750irq/16-i91521:56:271
30048993332,0cyclictest246650irq/16-enp2s0f023:41:470
30048993332,0cyclictest246650irq/16-enp2s0f023:26:500
30048993332,0cyclictest246650irq/16-enp2s0f023:23:510
30048993332,0cyclictest246650irq/16-enp2s0f023:17:330
30048993332,0cyclictest246650irq/16-enp2s0f023:08:430
30048993332,0cyclictest246650irq/16-enp2s0f023:04:540
30048993332,0cyclictest246650irq/16-enp2s0f022:53:150
30048993332,0cyclictest246650irq/16-enp2s0f021:59:510
30048993332,0cyclictest246650irq/16-enp2s0f021:36:500
30048993332,0cyclictest246650irq/16-enp2s0f021:21:290
30048993332,0cyclictest246650irq/16-enp2s0f021:11:320
30048993332,0cyclictest246650irq/16-enp2s0f021:03:040
30048993332,0cyclictest246650irq/16-enp2s0f021:00:490
30048993332,0cyclictest246650irq/16-enp2s0f020:50:140
30048993332,0cyclictest246650irq/16-enp2s0f020:43:440
30048993332,0cyclictest246650irq/16-enp2s0f020:39:230
30048993332,0cyclictest246650irq/16-enp2s0f020:26:460
30048993332,0cyclictest246650irq/16-enp2s0f020:09:150
30048993332,0cyclictest246650irq/16-enp2s0f019:51:410
30048993332,0cyclictest246650irq/16-enp2s0f019:47:160
30048993332,0cyclictest246650irq/16-enp2s0f019:32:420
30048993332,0cyclictest246650irq/16-enp2s0f019:21:590
30048993332,0cyclictest246650irq/16-enp2s0f019:17:220
30048993332,0cyclictest246650irq/16-enp2s0f019:06:560
30048993332,0cyclictest246650irq/16-enp2s0f000:21:450
30048993332,0cyclictest246650irq/16-enp2s0f000:14:520
30048993332,0cyclictest168750irq/16-i91520:55:540
30048993331,1cyclictest246650irq/16-enp2s0f023:35:070
30048993331,1cyclictest246650irq/16-enp2s0f020:16:250
30048993331,1cyclictest246650irq/16-enp2s0f000:06:520
30049993232,0cyclictest168750irq/16-i91523:06:361
30049993232,0cyclictest168750irq/16-i91522:41:491
30049993232,0cyclictest168750irq/16-i91521:31:521
30049993232,0cyclictest168750irq/16-i91521:13:391
30049993232,0cyclictest168750irq/16-i91520:05:191
30049993232,0cyclictest168750irq/16-i91500:31:441
30049993231,0cyclictest246650irq/16-enp2s0f022:56:391
30049993231,0cyclictest246650irq/16-enp2s0f019:41:041
30049993231,0cyclictest246650irq/16-enp2s0f000:29:181
30049993231,0cyclictest168750irq/16-i91523:51:251
30049993231,0cyclictest168750irq/16-i91523:37:001
30049993231,0cyclictest168750irq/16-i91523:21:431
30049993231,0cyclictest168750irq/16-i91522:51:261
30049993231,0cyclictest168750irq/16-i91522:36:421
30049993231,0cyclictest168750irq/16-i91522:26:331
30049993231,0cyclictest168750irq/16-i91521:37:571
30049993231,0cyclictest168750irq/16-i91521:06:431
30049993231,0cyclictest168750irq/16-i91521:06:191
30049993231,0cyclictest168750irq/16-i91520:46:411
30049993231,0cyclictest168750irq/16-i91520:35:151
30049993231,0cyclictest168750irq/16-i91520:11:591
30049993231,0cyclictest168750irq/16-i91519:31:351
30049993231,0cyclictest168750irq/16-i91519:23:531
30049993231,0cyclictest168750irq/16-i91500:21:391
30049993231,0cyclictest168750irq/16-i91500:11:401
30049993230,1cyclictest168750irq/16-i91522:31:341
30049993230,1cyclictest168750irq/16-i91520:43:171
30049993230,1cyclictest168750irq/16-i91520:26:121
30049993230,1cyclictest168750irq/16-i91520:26:121
30048993232,0cyclictest246650irq/16-enp2s0f023:46:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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