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2026-09-16 - 09:10
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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 Sep 16, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320392468,8sleep00-21swapper/019:04:430
318792428,8sleep10-21swapper/119:03:041
32174993930,8cyclictest246650irq/16-enp2s0f021:15:310
32174993534,0cyclictest246650irq/16-enp2s0f022:05:530
32175993433,0cyclictest246650irq/16-enp2s0f023:22:391
32175993433,0cyclictest168750irq/16-i91522:30:311
32175993433,0cyclictest168750irq/16-i91519:39:191
32175993432,1cyclictest168750irq/16-i91521:47:101
32175993432,1cyclictest168750irq/16-i91521:24:511
32175993432,1cyclictest168750irq/16-i91519:59:381
32175993432,1cyclictest168750irq/16-i91500:00:221
32174993433,0cyclictest246650irq/16-enp2s0f021:27:170
32174993433,0cyclictest246650irq/16-enp2s0f021:19:300
32174993433,0cyclictest246650irq/16-enp2s0f020:12:030
32174993433,0cyclictest246650irq/16-enp2s0f019:51:250
32174993433,0cyclictest246650irq/16-enp2s0f019:18:240
32174993433,0cyclictest246650irq/16-enp2s0f000:05:500
32174993432,1cyclictest246650irq/16-enp2s0f022:26:010
32175993333,0cyclictest168750irq/16-i91522:45:501
32175993332,0cyclictest246650irq/16-enp2s0f000:15:251
32175993332,0cyclictest246650irq/16-enp2s0f000:05:451
32175993332,0cyclictest168750irq/16-i91523:44:491
32175993332,0cyclictest168750irq/16-i91523:39:161
32175993332,0cyclictest168750irq/16-i91523:30:171
32175993332,0cyclictest168750irq/16-i91523:06:221
32175993332,0cyclictest168750irq/16-i91522:56:001
32175993332,0cyclictest168750irq/16-i91522:22:331
32175993332,0cyclictest168750irq/16-i91522:14:371
32175993332,0cyclictest168750irq/16-i91521:54:451
32175993332,0cyclictest168750irq/16-i91521:36:541
32175993332,0cyclictest168750irq/16-i91521:30:511
32175993332,0cyclictest168750irq/16-i91520:45:381
32175993332,0cyclictest168750irq/16-i91520:27:491
32175993332,0cyclictest168750irq/16-i91519:51:261
32175993332,0cyclictest168750irq/16-i91519:41:091
32175993332,0cyclictest168750irq/16-i91519:06:211
32175993332,0cyclictest168750irq/16-i91500:28:591
32175993332,0cyclictest168750irq/16-i91500:22:011
32175993332,0cyclictest168750irq/16-i91500:00:461
32175993331,1cyclictest246650irq/16-enp2s0f020:51:331
32175993331,1cyclictest168750irq/16-i91523:50:201
32175993331,1cyclictest168750irq/16-i91522:35:431
32175993331,1cyclictest168750irq/16-i91522:20:031
32175993331,1cyclictest168750irq/16-i91521:01:421
32175993331,1cyclictest168750irq/16-i91519:27:571
32174993332,1cyclictest246650irq/16-enp2s0f022:38:150
32174993332,0cyclictest246650irq/16-enp2s0f023:56:180
32174993332,0cyclictest246650irq/16-enp2s0f023:46:400
32174993332,0cyclictest246650irq/16-enp2s0f023:39:080
32174993332,0cyclictest246650irq/16-enp2s0f023:31:360
32174993332,0cyclictest246650irq/16-enp2s0f023:25:510
32174993332,0cyclictest246650irq/16-enp2s0f022:59:270
32174993332,0cyclictest246650irq/16-enp2s0f022:48:110
32174993332,0cyclictest246650irq/16-enp2s0f022:42:580
32174993332,0cyclictest246650irq/16-enp2s0f022:22:220
32174993332,0cyclictest246650irq/16-enp2s0f022:13:290
32174993332,0cyclictest246650irq/16-enp2s0f022:01:550
32174993332,0cyclictest246650irq/16-enp2s0f021:56:460
32174993332,0cyclictest246650irq/16-enp2s0f021:50:370
32174993332,0cyclictest246650irq/16-enp2s0f021:43:110
32174993332,0cyclictest246650irq/16-enp2s0f021:36:560
32174993332,0cyclictest246650irq/16-enp2s0f021:20:320
32174993332,0cyclictest246650irq/16-enp2s0f020:55:410
32174993332,0cyclictest246650irq/16-enp2s0f020:50:490
32174993332,0cyclictest246650irq/16-enp2s0f020:45:420
32174993332,0cyclictest246650irq/16-enp2s0f020:35:500
32174993332,0cyclictest246650irq/16-enp2s0f020:31:370
32174993332,0cyclictest246650irq/16-enp2s0f020:17:260
32174993332,0cyclictest246650irq/16-enp2s0f019:46:010
32174993332,0cyclictest246650irq/16-enp2s0f019:20:340
32174993332,0cyclictest246650irq/16-enp2s0f019:06:270
32174993332,0cyclictest246650irq/16-enp2s0f000:30:380
32174993332,0cyclictest246650irq/16-enp2s0f000:26:030
32174993332,0cyclictest246650irq/16-enp2s0f000:15:550
32174993332,0cyclictest246650irq/16-enp2s0f000:10:420
32174993332,0cyclictest168750irq/16-i91523:45:310
32174993331,1cyclictest246650irq/16-enp2s0f023:51:400
32174993331,1cyclictest246650irq/16-enp2s0f022:35:020
32174993331,1cyclictest246650irq/16-enp2s0f020:27:490
32174993331,1cyclictest246650irq/16-enp2s0f019:42:030
32174993331,1cyclictest168750irq/16-i91519:39:340
32174993326,6cyclictest246650irq/16-enp2s0f023:21:300
32175993232,0cyclictest246650irq/16-enp2s0f020:58:151
32175993232,0cyclictest246650irq/16-enp2s0f000:31:451
32175993232,0cyclictest168750irq/16-i91522:31:391
32175993232,0cyclictest168750irq/16-i91522:06:031
32175993232,0cyclictest168750irq/16-i91520:30:581
32175993232,0cyclictest168750irq/16-i91520:12:311
32175993232,0cyclictest168750irq/16-i91500:16:441
32175993231,0cyclictest246650irq/16-enp2s0f023:15:321
32175993231,0cyclictest246650irq/16-enp2s0f019:34:491
32175993231,0cyclictest168750irq/16-i91523:30:451
32175993231,0cyclictest168750irq/16-i91523:01:001
32175993231,0cyclictest168750irq/16-i91522:55:171
32175993231,0cyclictest168750irq/16-i91522:40:561
32175993231,0cyclictest168750irq/16-i91522:01:371
32175993231,0cyclictest168750irq/16-i91521:56:021
32175993231,0cyclictest168750irq/16-i91521:40:421
32175993231,0cyclictest168750irq/16-i91521:15:331
32175993231,0cyclictest168750irq/16-i91520:40:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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