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2026-05-23 - 11:54
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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 Sat May 23, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237102469,8sleep00-21swapper/019:02:530
24241993534,0cyclictest246650irq/16-enp2s0f022:48:121
24241993532,2cyclictest168750irq/16-i91522:47:281
24241993532,2cyclictest168750irq/16-i91522:22:571
24241993532,2cyclictest168750irq/16-i91520:47:271
24241993532,2cyclictest168750irq/16-i91520:28:121
24241993532,2cyclictest168750irq/16-i91519:35:571
24241993532,2cyclictest168750irq/16-i91519:16:331
24241993532,2cyclictest168750irq/16-i91500:17:501
24241993532,2cyclictest168750irq/16-i91500:12:531
24241993532,2cyclictest168750irq/16-i91500:00:161
24241993531,3cyclictest246650irq/16-enp2s0f020:07:201
24241993531,3cyclictest168750irq/16-i91523:50:361
24241993531,3cyclictest168750irq/16-i91522:37:461
24241993531,3cyclictest168750irq/16-i91521:40:391
24241993531,3cyclictest168750irq/16-i91520:38:031
24241993531,3cyclictest168750irq/16-i91520:12:101
24241993531,3cyclictest168750irq/16-i91519:27:581
24241993530,4cyclictest168750irq/16-i91523:12:511
24241993530,4cyclictest168750irq/16-i91522:22:421
24241993530,4cyclictest168750irq/16-i91522:16:481
24241993530,4cyclictest168750irq/16-i91520:53:381
2417723511,17sleep10-21swapper/119:07:471
24241993432,2cyclictest168750irq/16-i91523:47:451
24241993432,2cyclictest168750irq/16-i91500:04:011
24241993432,1cyclictest168750irq/16-i91500:31:491
24241993431,2cyclictest168750irq/16-i91523:53:141
24241993431,2cyclictest168750irq/16-i91523:32:551
24241993431,2cyclictest168750irq/16-i91523:29:021
24241993431,2cyclictest168750irq/16-i91523:18:231
24241993431,2cyclictest168750irq/16-i91523:12:241
24241993431,2cyclictest168750irq/16-i91522:57:411
24241993431,2cyclictest168750irq/16-i91522:32:121
24241993431,2cyclictest168750irq/16-i91521:58:131
24241993431,2cyclictest168750irq/16-i91521:57:341
24241993431,2cyclictest168750irq/16-i91521:30:071
24241993431,2cyclictest168750irq/16-i91521:20:551
24241993431,2cyclictest168750irq/16-i91521:11:281
24241993431,2cyclictest168750irq/16-i91521:03:521
24241993431,2cyclictest168750irq/16-i91521:00:531
24241993431,2cyclictest168750irq/16-i91520:49:031
24241993431,2cyclictest168750irq/16-i91520:36:331
24241993431,2cyclictest168750irq/16-i91520:21:231
24241993431,2cyclictest168750irq/16-i91520:14:241
24241993431,2cyclictest168750irq/16-i91519:19:541
24241993430,3cyclictest168750irq/16-i91522:42:471
24241993430,3cyclictest168750irq/16-i91521:48:021
24241993430,3cyclictest168750irq/16-i91520:23:061
24241993430,3cyclictest168750irq/16-i91519:51:341
24241993430,3cyclictest168750irq/16-i91500:35:081
24241993430,3cyclictest168750irq/16-i91500:25:371
24241993429,4cyclictest168750irq/16-i91523:37:551
24240993434,0cyclictest246650irq/16-enp2s0f019:29:500
24240993433,0cyclictest246650irq/16-enp2s0f023:54:000
24240993433,0cyclictest246650irq/16-enp2s0f023:39:590
24240993433,0cyclictest246650irq/16-enp2s0f000:19:050
24241993332,0cyclictest168750irq/16-i91519:38:521
24241993331,2cyclictest168750irq/16-i91522:02:541
24241993331,2cyclictest168750irq/16-i91521:36:171
24241993331,2cyclictest168750irq/16-i91521:23:221
24241993330,2cyclictest246650irq/16-enp2s0f019:46:051
24241993330,2cyclictest168750irq/16-i91523:23:531
24241993330,2cyclictest168750irq/16-i91521:43:071
24241993330,2cyclictest168750irq/16-i91519:58:401
24241993330,2cyclictest168750irq/16-i91519:08:301
24241993329,3cyclictest168750irq/16-i91523:02:501
24241993329,3cyclictest168750irq/16-i91521:17:331
24240993333,0cyclictest246650irq/16-enp2s0f021:02:570
24240993333,0cyclictest246650irq/16-enp2s0f020:28:460
24240993332,0cyclictest246650irq/16-enp2s0f023:43:200
24240993332,0cyclictest246650irq/16-enp2s0f023:17:510
24240993332,0cyclictest246650irq/16-enp2s0f023:08:330
24240993332,0cyclictest246650irq/16-enp2s0f022:58:510
24240993332,0cyclictest246650irq/16-enp2s0f022:55:090
24240993332,0cyclictest246650irq/16-enp2s0f022:47:380
24240993332,0cyclictest246650irq/16-enp2s0f022:40:360
24240993332,0cyclictest246650irq/16-enp2s0f022:32:450
24240993332,0cyclictest246650irq/16-enp2s0f022:27:430
24240993332,0cyclictest246650irq/16-enp2s0f022:14:010
24240993332,0cyclictest246650irq/16-enp2s0f022:11:510
24240993332,0cyclictest246650irq/16-enp2s0f022:04:370
24240993332,0cyclictest246650irq/16-enp2s0f021:58:010
24240993332,0cyclictest246650irq/16-enp2s0f021:48:390
24240993332,0cyclictest246650irq/16-enp2s0f021:44:230
24240993332,0cyclictest246650irq/16-enp2s0f021:36:190
24240993332,0cyclictest246650irq/16-enp2s0f021:18:440
24240993332,0cyclictest246650irq/16-enp2s0f020:53:080
24240993332,0cyclictest246650irq/16-enp2s0f020:38:070
24240993332,0cyclictest246650irq/16-enp2s0f020:26:380
24240993332,0cyclictest246650irq/16-enp2s0f020:17:130
24240993332,0cyclictest246650irq/16-enp2s0f020:08:290
24240993332,0cyclictest246650irq/16-enp2s0f020:04:340
24240993332,0cyclictest246650irq/16-enp2s0f019:53:350
24240993332,0cyclictest246650irq/16-enp2s0f019:43:340
24240993332,0cyclictest246650irq/16-enp2s0f000:34:530
24240993332,0cyclictest246650irq/16-enp2s0f000:32:270
24240993332,0cyclictest246650irq/16-enp2s0f000:23:270
24240993332,0cyclictest168750irq/16-i91519:08:500
24240993332,0cyclictest168750irq/16-i91500:11:120
24240993331,1cyclictest246650irq/16-enp2s0f022:51:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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