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2026-04-19 - 10:18
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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 Apr 19, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181482570,0sleep00-21swapper/020:38:280
570624514,23sleep00-21swapper/019:03:550
606924315,21sleep10-21swapper/119:07:411
6203993534,0cyclictest168750irq/16-i91521:54:481
6202993534,0cyclictest246650irq/16-enp2s0f021:34:540
6203993433,0cyclictest168750irq/16-i91519:23:181
6203993432,1cyclictest190650irq/16-nvkm23:40:371
6203993432,1cyclictest168750irq/16-i91523:09:091
6203993432,1cyclictest168750irq/16-i91521:11:071
6203993432,1cyclictest168750irq/16-i91520:28:421
6203993432,1cyclictest168750irq/16-i91519:31:411
6202993434,0cyclictest246650irq/16-enp2s0f023:36:420
6202993434,0cyclictest246650irq/16-enp2s0f020:22:520
6202993433,0cyclictest246650irq/16-enp2s0f023:59:160
6202993433,0cyclictest246650irq/16-enp2s0f023:51:100
6202993433,0cyclictest246650irq/16-enp2s0f023:23:550
6202993433,0cyclictest246650irq/16-enp2s0f022:44:010
6202993433,0cyclictest246650irq/16-enp2s0f021:14:250
6202993433,0cyclictest246650irq/16-enp2s0f019:56:020
6202993433,0cyclictest246650irq/16-enp2s0f019:19:250
6202993433,0cyclictest246650irq/16-enp2s0f019:13:400
6202993433,0cyclictest246650irq/16-enp2s0f019:10:440
6202993432,1cyclictest246650irq/16-enp2s0f023:06:390
6202993432,1cyclictest246650irq/16-enp2s0f019:46:250
6202993432,1cyclictest246650irq/16-enp2s0f019:38:550
6202993432,1cyclictest246650irq/16-enp2s0f019:27:020
6203993333,0cyclictest168750irq/16-i91523:31:071
6203993333,0cyclictest168750irq/16-i91522:36:501
6203993333,0cyclictest168750irq/16-i91521:49:141
6203993332,0cyclictest246650irq/16-enp2s0f019:55:191
6203993332,0cyclictest246650irq/16-enp2s0f019:51:051
6203993332,0cyclictest246650irq/16-enp2s0f000:18:291
6203993332,0cyclictest168750irq/16-i91523:50:411
6203993332,0cyclictest168750irq/16-i91523:19:101
6203993332,0cyclictest168750irq/16-i91523:15:481
6203993332,0cyclictest168750irq/16-i91522:59:191
6203993332,0cyclictest168750irq/16-i91522:13:591
6203993332,0cyclictest168750irq/16-i91522:06:121
6203993332,0cyclictest168750irq/16-i91522:01:311
6203993332,0cyclictest168750irq/16-i91521:23:331
6203993332,0cyclictest168750irq/16-i91521:18:521
6203993332,0cyclictest168750irq/16-i91521:03:281
6203993332,0cyclictest168750irq/16-i91520:58:461
6203993332,0cyclictest168750irq/16-i91520:50:041
6203993332,0cyclictest168750irq/16-i91520:46:381
6203993332,0cyclictest168750irq/16-i91520:41:051
6203993332,0cyclictest168750irq/16-i91520:23:401
6203993332,0cyclictest168750irq/16-i91520:13:311
6203993332,0cyclictest168750irq/16-i91520:12:071
6203993332,0cyclictest168750irq/16-i91520:03:501
6203993332,0cyclictest168750irq/16-i91519:38:331
6203993332,0cyclictest168750irq/16-i91519:33:321
6203993332,0cyclictest168750irq/16-i91519:17:121
6203993332,0cyclictest168750irq/16-i91500:25:361
6203993332,0cyclictest168750irq/16-i91500:16:471
6203993331,1cyclictest168750irq/16-i91522:42:141
6203993331,1cyclictest168750irq/16-i91521:33:521
6202993333,0cyclictest246650irq/16-enp2s0f023:53:440
6202993333,0cyclictest246650irq/16-enp2s0f023:40:190
6202993333,0cyclictest246650irq/16-enp2s0f021:48:370
6202993333,0cyclictest246650irq/16-enp2s0f021:08:480
6202993333,0cyclictest246650irq/16-enp2s0f020:45:070
6202993333,0cyclictest246650irq/16-enp2s0f019:29:000
6202993333,0cyclictest246650irq/16-enp2s0f000:17:160
6202993333,0cyclictest246650irq/16-enp2s0f000:04:100
6202993332,1cyclictest246650irq/16-enp2s0f023:28:420
6202993332,1cyclictest246650irq/16-enp2s0f020:28:420
6202993332,0cyclictest246650irq/16-enp2s0f023:45:260
6202993332,0cyclictest246650irq/16-enp2s0f023:14:000
6202993332,0cyclictest246650irq/16-enp2s0f023:09:150
6202993332,0cyclictest246650irq/16-enp2s0f022:58:530
6202993332,0cyclictest246650irq/16-enp2s0f022:29:180
6202993332,0cyclictest246650irq/16-enp2s0f022:22:180
6202993332,0cyclictest246650irq/16-enp2s0f022:03:570
6202993332,0cyclictest246650irq/16-enp2s0f021:28:430
6202993332,0cyclictest246650irq/16-enp2s0f021:23:280
6202993332,0cyclictest246650irq/16-enp2s0f021:20:380
6202993332,0cyclictest246650irq/16-enp2s0f021:03:470
6202993332,0cyclictest246650irq/16-enp2s0f019:58:370
6202993332,0cyclictest246650irq/16-enp2s0f000:30:140
6202993332,0cyclictest246650irq/16-enp2s0f000:18:380
6202993332,0cyclictest246650irq/16-enp2s0f000:12:090
6202993331,1cyclictest246650irq/16-enp2s0f022:00:210
6202993331,1cyclictest246650irq/16-enp2s0f021:43:540
6202993331,1cyclictest246650irq/16-enp2s0f020:43:150
6203993232,0cyclictest168750irq/16-i91523:43:331
6203993232,0cyclictest168750irq/16-i91522:54:451
6203993232,0cyclictest168750irq/16-i91522:08:371
6203993232,0cyclictest168750irq/16-i91521:28:371
6203993232,0cyclictest168750irq/16-i91500:28:271
6203993231,1cyclictest168750irq/16-i91522:26:201
6203993231,0cyclictest168750irq/16-i91523:33:381
6203993231,0cyclictest168750irq/16-i91523:23:331
6203993231,0cyclictest168750irq/16-i91523:06:491
6203993231,0cyclictest168750irq/16-i91522:50:061
6203993231,0cyclictest168750irq/16-i91522:18:441
6203993231,0cyclictest168750irq/16-i91521:44:241
6203993231,0cyclictest168750irq/16-i91521:13:491
6203993231,0cyclictest168750irq/16-i91520:55:381
6203993231,0cyclictest168750irq/16-i91520:34:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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