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2026-04-20 - 05:11
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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 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179352468,8sleep00-21swapper/019:05:410
18255993733,3cyclictest168750irq/16-i91521:59:231
177882379,21sleep10-21swapper/119:04:101
18255993632,3cyclictest246650irq/16-enp2s0f023:38:471
18255993631,4cyclictest168750irq/16-i91523:09:441
18255993631,4cyclictest168750irq/16-i91522:05:581
18255993631,4cyclictest168750irq/16-i91519:22:561
18255993630,5cyclictest168750irq/16-i91522:48:361
18255993532,2cyclictest168750irq/16-i91522:35:211
18255993532,2cyclictest168750irq/16-i91521:21:451
18255993532,2cyclictest168750irq/16-i91520:59:501
18255993532,2cyclictest168750irq/16-i91520:18:491
18255993532,2cyclictest168750irq/16-i91519:53:541
18255993531,3cyclictest246650irq/16-enp2s0f023:36:051
18255993531,3cyclictest168750irq/16-i91523:59:291
18255993531,3cyclictest168750irq/16-i91523:54:271
18255993531,3cyclictest168750irq/16-i91523:20:411
18255993531,3cyclictest168750irq/16-i91521:14:451
18255993531,3cyclictest168750irq/16-i91520:42:461
18255993531,3cyclictest168750irq/16-i91520:36:461
18255993530,4cyclictest168750irq/16-i91521:13:181
18255993530,4cyclictest168750irq/16-i91520:53:141
18255993530,4cyclictest168750irq/16-i91500:19:331
18255993433,0cyclictest246650irq/16-enp2s0f021:39:291
18255993432,1cyclictest168750irq/16-i91523:13:411
18255993432,1cyclictest168750irq/16-i91522:13:431
18255993432,1cyclictest168750irq/16-i91521:49:341
18255993432,1cyclictest168750irq/16-i91520:48:131
18255993432,1cyclictest168750irq/16-i91519:13:261
18255993431,2cyclictest168750irq/16-i91523:51:231
18255993431,2cyclictest168750irq/16-i91523:43:431
18255993431,2cyclictest168750irq/16-i91523:25:151
18255993431,2cyclictest168750irq/16-i91523:05:341
18255993431,2cyclictest168750irq/16-i91522:43:121
18255993431,2cyclictest168750irq/16-i91521:31:591
18255993431,2cyclictest168750irq/16-i91520:53:381
18255993431,2cyclictest168750irq/16-i91520:27:241
18255993431,2cyclictest168750irq/16-i91520:15:501
18255993431,2cyclictest168750irq/16-i91520:04:381
18255993431,2cyclictest168750irq/16-i91519:30:001
18255993431,2cyclictest168750irq/16-i91519:25:161
18255993431,2cyclictest168750irq/16-i91500:28:481
18255993431,2cyclictest168750irq/16-i91500:28:031
18255993431,2cyclictest168750irq/16-i91500:08:421
18255993431,2cyclictest168750irq/16-i91500:04:451
18255993430,3cyclictest246650irq/16-enp2s0f021:35:111
18255993430,3cyclictest246650irq/16-enp2s0f021:05:191
18255993430,3cyclictest246650irq/16-enp2s0f019:49:041
18255993430,3cyclictest168750irq/16-i91522:58:381
18255993430,3cyclictest168750irq/16-i91522:56:061
18255993430,3cyclictest168750irq/16-i91522:29:271
18255993430,3cyclictest168750irq/16-i91521:25:421
18255993430,3cyclictest168750irq/16-i91520:29:091
18255993430,3cyclictest168750irq/16-i91519:59:061
18255993429,4cyclictest168750irq/16-i91522:18:301
18255993429,4cyclictest168750irq/16-i91519:44:081
18254993433,0cyclictest246650irq/16-enp2s0f020:07:340
18254993432,1cyclictest246650irq/16-enp2s0f023:38:260
18254993432,1cyclictest246650irq/16-enp2s0f021:49:350
18254993432,1cyclictest246650irq/16-enp2s0f019:29:330
18254993432,1cyclictest246650irq/16-enp2s0f019:09:000
18254993431,0cyclictest168750irq/16-i91522:14:330
18255993332,0cyclictest168750irq/16-i91520:10:081
18255993332,0cyclictest168750irq/16-i91519:35:301
18255993332,0cyclictest168750irq/16-i91500:15:541
18255993331,2cyclictest168750irq/16-i91522:23:451
18255993331,1cyclictest168750irq/16-i91523:31:351
18255993331,1cyclictest168750irq/16-i91522:09:171
18255993330,2cyclictest168750irq/16-i91521:43:391
18255993330,2cyclictest168750irq/16-i91519:38:551
18255993330,2cyclictest168750irq/16-i91519:15:141
18255993330,2cyclictest168750irq/16-i91500:33:411
18255993328,4cyclictest168750irq/16-i91522:43:351
18254993333,0cyclictest246650irq/16-enp2s0f022:21:180
18254993333,0cyclictest246650irq/16-enp2s0f021:44:230
18254993332,1cyclictest168750irq/16-i91521:23:530
18254993332,0cyclictest246650irq/16-enp2s0f023:51:570
18254993332,0cyclictest246650irq/16-enp2s0f023:33:170
18254993332,0cyclictest246650irq/16-enp2s0f023:19:160
18254993332,0cyclictest246650irq/16-enp2s0f023:09:020
18254993332,0cyclictest246650irq/16-enp2s0f023:07:060
18254993332,0cyclictest246650irq/16-enp2s0f022:28:040
18254993332,0cyclictest246650irq/16-enp2s0f021:11:540
18254993332,0cyclictest246650irq/16-enp2s0f020:56:200
18254993332,0cyclictest246650irq/16-enp2s0f020:38:490
18254993332,0cyclictest246650irq/16-enp2s0f020:38:110
18254993332,0cyclictest246650irq/16-enp2s0f020:18:330
18254993332,0cyclictest246650irq/16-enp2s0f020:13:380
18254993332,0cyclictest246650irq/16-enp2s0f019:58:040
18254993332,0cyclictest246650irq/16-enp2s0f019:33:590
18254993332,0cyclictest246650irq/16-enp2s0f019:18:480
18254993332,0cyclictest246650irq/16-enp2s0f000:19:330
18254993332,0cyclictest168750irq/16-i91522:09:380
18254993332,0cyclictest168750irq/16-i91521:05:090
18254993331,1cyclictest246650irq/16-enp2s0f023:43:560
18254993331,1cyclictest246650irq/16-enp2s0f023:13:410
18254993331,1cyclictest246650irq/16-enp2s0f022:38:340
18254993331,1cyclictest246650irq/16-enp2s0f022:33:330
18255993229,2cyclictest168750irq/16-i91521:53:441
18254993232,0cyclictest246650irq/16-enp2s0f023:58:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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