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2026-04-13 - 13:55
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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 Apr 13, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251192478,8sleep00-21swapper/019:05:000
250762449,8sleep10-21swapper/119:04:351
25523993628,7cyclictest246650irq/16-enp2s0f022:33:110
25524993433,0cyclictest168750irq/16-i91519:14:151
25524993432,1cyclictest168750irq/16-i91522:56:461
25524993432,1cyclictest168750irq/16-i91520:55:241
25524993432,1cyclictest168750irq/16-i91520:22:461
25523993433,0cyclictest246650irq/16-enp2s0f023:04:350
25523993433,0cyclictest246650irq/16-enp2s0f021:22:480
25523993433,0cyclictest246650irq/16-enp2s0f019:45:350
25523993432,1cyclictest246650irq/16-enp2s0f022:35:040
25523993432,1cyclictest246650irq/16-enp2s0f020:04:540
25524993332,0cyclictest168750irq/16-i91523:59:171
25524993332,0cyclictest168750irq/16-i91523:50:111
25524993332,0cyclictest168750irq/16-i91523:47:141
25524993332,0cyclictest168750irq/16-i91523:28:231
25524993332,0cyclictest168750irq/16-i91523:20:201
25524993332,0cyclictest168750irq/16-i91523:10:131
25524993332,0cyclictest168750irq/16-i91522:52:351
25524993332,0cyclictest168750irq/16-i91522:48:191
25524993332,0cyclictest168750irq/16-i91522:39:471
25524993332,0cyclictest168750irq/16-i91522:35:041
25524993332,0cyclictest168750irq/16-i91522:23:011
25524993332,0cyclictest168750irq/16-i91522:17:001
25524993332,0cyclictest168750irq/16-i91521:36:511
25524993332,0cyclictest168750irq/16-i91521:25:301
25524993332,0cyclictest168750irq/16-i91521:19:551
25524993332,0cyclictest168750irq/16-i91521:15:141
25524993332,0cyclictest168750irq/16-i91521:11:331
25524993332,0cyclictest168750irq/16-i91521:04:141
25524993332,0cyclictest168750irq/16-i91520:59:441
25524993332,0cyclictest168750irq/16-i91520:47:211
25524993332,0cyclictest168750irq/16-i91520:40:571
25524993332,0cyclictest168750irq/16-i91520:28:471
25524993332,0cyclictest168750irq/16-i91520:09:161
25524993332,0cyclictest168750irq/16-i91519:22:151
25524993332,0cyclictest168750irq/16-i91500:31:541
25524993332,0cyclictest168750irq/16-i91500:14:351
25524993332,0cyclictest168750irq/16-i91500:09:221
25524993331,1cyclictest168750irq/16-i91523:42:251
25524993331,1cyclictest168750irq/16-i91523:38:251
25524993331,1cyclictest168750irq/16-i91523:30:471
25524993331,1cyclictest168750irq/16-i91521:49:061
25524993331,1cyclictest168750irq/16-i91519:43:541
25523993333,0cyclictest246650irq/16-enp2s0f019:16:330
25523993332,0cyclictest246650irq/16-enp2s0f023:59:360
25523993332,0cyclictest246650irq/16-enp2s0f023:40:090
25523993332,0cyclictest246650irq/16-enp2s0f023:29:220
25523993332,0cyclictest246650irq/16-enp2s0f023:25:480
25523993332,0cyclictest246650irq/16-enp2s0f023:09:030
25523993332,0cyclictest246650irq/16-enp2s0f022:58:500
25523993332,0cyclictest246650irq/16-enp2s0f022:48:190
25523993332,0cyclictest246650irq/16-enp2s0f022:38:590
25523993332,0cyclictest246650irq/16-enp2s0f022:23:420
25523993332,0cyclictest246650irq/16-enp2s0f022:20:590
25523993332,0cyclictest246650irq/16-enp2s0f022:17:000
25523993332,0cyclictest246650irq/16-enp2s0f022:02:410
25523993332,0cyclictest246650irq/16-enp2s0f021:39:280
25523993332,0cyclictest246650irq/16-enp2s0f021:36:450
25523993332,0cyclictest246650irq/16-enp2s0f021:25:050
25523993332,0cyclictest246650irq/16-enp2s0f021:03:430
25523993332,0cyclictest246650irq/16-enp2s0f020:59:440
25523993332,0cyclictest246650irq/16-enp2s0f020:55:240
25523993332,0cyclictest246650irq/16-enp2s0f020:38:470
25523993332,0cyclictest246650irq/16-enp2s0f020:37:050
25523993332,0cyclictest246650irq/16-enp2s0f020:32:460
25523993332,0cyclictest246650irq/16-enp2s0f020:25:340
25523993332,0cyclictest246650irq/16-enp2s0f020:09:160
25523993332,0cyclictest246650irq/16-enp2s0f019:59:150
25523993332,0cyclictest246650irq/16-enp2s0f019:51:410
25523993332,0cyclictest246650irq/16-enp2s0f019:39:100
25523993332,0cyclictest246650irq/16-enp2s0f019:24:000
25523993332,0cyclictest246650irq/16-enp2s0f000:30:230
25523993332,0cyclictest246650irq/16-enp2s0f000:19:400
25523993332,0cyclictest246650irq/16-enp2s0f000:16:230
25523993332,0cyclictest246650irq/16-enp2s0f000:06:490
25523993331,1cyclictest246650irq/16-enp2s0f023:21:410
25523993331,1cyclictest246650irq/16-enp2s0f022:49:110
25523993331,1cyclictest246650irq/16-enp2s0f021:32:100
25523993331,1cyclictest246650irq/16-enp2s0f020:44:240
25523993331,1cyclictest246650irq/16-enp2s0f019:34:580
25524993232,0cyclictest168750irq/16-i91522:59:261
25524993232,0cyclictest168750irq/16-i91522:23:421
25524993232,0cyclictest168750irq/16-i91520:49:241
25524993232,0cyclictest168750irq/16-i91500:34:051
25524993231,0cyclictest168750irq/16-i91523:54:301
25524993231,0cyclictest168750irq/16-i91523:15:211
25524993231,0cyclictest168750irq/16-i91523:15:211
25524993231,0cyclictest168750irq/16-i91523:04:081
25524993231,0cyclictest168750irq/16-i91522:28:571
25524993231,0cyclictest168750irq/16-i91522:03:341
25524993231,0cyclictest168750irq/16-i91521:58:581
25524993231,0cyclictest168750irq/16-i91521:55:541
25524993231,0cyclictest168750irq/16-i91521:43:571
25524993231,0cyclictest168750irq/16-i91521:29:351
25524993231,0cyclictest168750irq/16-i91520:35:401
25524993231,0cyclictest168750irq/16-i91520:24:581
25524993231,0cyclictest168750irq/16-i91520:15:201
25524993231,0cyclictest168750irq/16-i91520:03:451
25524993231,0cyclictest168750irq/16-i91519:58:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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