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2026-09-24 - 09:05
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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 Thu Sep 24, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110332458,8sleep00-21swapper/019:00:300
11559993732,4cyclictest168750irq/16-i91520:51:201
11559993632,3cyclictest246650irq/16-enp2s0f020:16:281
11559993632,3cyclictest168750irq/16-i91522:15:081
11559993631,4cyclictest168750irq/16-i91521:06:561
11559993631,4cyclictest168750irq/16-i91520:49:531
1141823615,13sleep10-21swapper/119:04:331
11559993534,0cyclictest246650irq/16-enp2s0f023:59:161
11559993532,2cyclictest246650irq/16-enp2s0f023:30:031
11559993532,2cyclictest168750irq/16-i91522:56:031
11559993532,2cyclictest168750irq/16-i91522:29:061
11559993532,2cyclictest168750irq/16-i91521:52:461
11559993532,2cyclictest168750irq/16-i91521:04:501
11559993532,2cyclictest168750irq/16-i91519:09:111
11559993532,2cyclictest168750irq/16-i91500:28:071
11559993531,3cyclictest246650irq/16-enp2s0f023:41:391
11559993531,3cyclictest246650irq/16-enp2s0f022:07:591
11559993531,3cyclictest246650irq/16-enp2s0f020:42:061
11559993531,3cyclictest246650irq/16-enp2s0f020:35:531
11559993531,3cyclictest168750irq/16-i91523:05:381
11559993531,3cyclictest168750irq/16-i91522:35:581
11559993531,3cyclictest168750irq/16-i91521:24:591
11559993530,4cyclictest168750irq/16-i91520:20:361
11559993529,5cyclictest168750irq/16-i91521:55:541
11558993533,1cyclictest246650irq/16-enp2s0f020:24:360
11559993431,3cyclictest168750irq/16-i91523:30:241
11559993431,2cyclictest168750irq/16-i91523:52:391
11559993431,2cyclictest168750irq/16-i91523:35:461
11559993431,2cyclictest168750irq/16-i91523:20:431
11559993431,2cyclictest168750irq/16-i91523:04:381
11559993431,2cyclictest168750irq/16-i91522:41:521
11559993431,2cyclictest168750irq/16-i91522:35:221
11559993431,2cyclictest168750irq/16-i91522:15:321
11559993431,2cyclictest168750irq/16-i91522:00:331
11559993431,2cyclictest168750irq/16-i91521:49:111
11559993431,2cyclictest168750irq/16-i91521:37:371
11559993431,2cyclictest168750irq/16-i91521:31:231
11559993431,2cyclictest168750irq/16-i91521:20:041
11559993431,2cyclictest168750irq/16-i91519:52:301
11559993431,2cyclictest168750irq/16-i91519:44:061
11559993431,2cyclictest168750irq/16-i91519:36:411
11559993431,2cyclictest168750irq/16-i91519:30:411
11559993431,2cyclictest168750irq/16-i91519:25:431
11559993431,2cyclictest168750irq/16-i91519:18:161
11559993431,2cyclictest168750irq/16-i91519:12:561
11559993431,2cyclictest168750irq/16-i91500:31:421
11559993431,2cyclictest168750irq/16-i91500:21:411
11559993431,2cyclictest168750irq/16-i91500:13:331
11559993430,3cyclictest168750irq/16-i91523:45:401
11559993430,3cyclictest168750irq/16-i91522:20:541
11559993430,3cyclictest168750irq/16-i91520:25:511
11559993430,3cyclictest168750irq/16-i91520:14:441
11559993430,3cyclictest168750irq/16-i91519:48:381
11559993430,3cyclictest168750irq/16-i91519:24:381
11559993430,3cyclictest168750irq/16-i91500:00:581
11558993433,0cyclictest246650irq/16-enp2s0f023:00:090
11558993432,1cyclictest246650irq/16-enp2s0f023:40:170
11558993432,1cyclictest246650irq/16-enp2s0f021:04:560
11558993430,1cyclictest168750irq/16-i91500:05:400
11558993428,5cyclictest246650irq/16-enp2s0f023:51:320
11559993332,0cyclictest246650irq/16-enp2s0f021:10:381
11559993332,0cyclictest168750irq/16-i91500:16:401
11559993332,0cyclictest168750irq/16-i91500:05:351
11559993331,2cyclictest246650irq/16-enp2s0f019:55:421
11559993331,2cyclictest168750irq/16-i91523:15:431
11559993331,2cyclictest168750irq/16-i91523:10:291
11559993331,2cyclictest168750irq/16-i91522:50:331
11559993331,2cyclictest168750irq/16-i91520:30:311
11559993331,1cyclictest168750irq/16-i91520:05:591
11559993330,2cyclictest168750irq/16-i91521:41:511
11559993330,2cyclictest168750irq/16-i91520:55:311
11559993329,3cyclictest246650irq/16-enp2s0f021:25:451
11558993333,0cyclictest246650irq/16-enp2s0f022:37:320
11558993333,0cyclictest246650irq/16-enp2s0f022:15:430
11558993333,0cyclictest246650irq/16-enp2s0f021:40:270
11558993332,1cyclictest246650irq/16-enp2s0f000:33:160
11558993332,1cyclictest246650irq/16-enp2s0f000:10:230
11558993332,0cyclictest246650irq/16-enp2s0f023:26:590
11558993332,0cyclictest246650irq/16-enp2s0f023:19:270
11558993332,0cyclictest246650irq/16-enp2s0f023:01:240
11558993332,0cyclictest246650irq/16-enp2s0f022:22:540
11558993332,0cyclictest246650irq/16-enp2s0f022:10:400
11558993332,0cyclictest246650irq/16-enp2s0f022:05:330
11558993332,0cyclictest246650irq/16-enp2s0f021:52:370
11558993332,0cyclictest246650irq/16-enp2s0f021:37:100
11558993332,0cyclictest246650irq/16-enp2s0f021:21:460
11558993332,0cyclictest246650irq/16-enp2s0f020:59:350
11558993332,0cyclictest246650irq/16-enp2s0f020:50:100
11558993332,0cyclictest246650irq/16-enp2s0f020:18:000
11558993332,0cyclictest246650irq/16-enp2s0f019:37:580
11558993332,0cyclictest246650irq/16-enp2s0f019:30:390
11558993332,0cyclictest246650irq/16-enp2s0f019:29:450
11558993332,0cyclictest246650irq/16-enp2s0f019:21:120
11558993332,0cyclictest246650irq/16-enp2s0f019:17:190
11558993332,0cyclictest246650irq/16-enp2s0f000:26:420
11558993332,0cyclictest246650irq/16-enp2s0f000:23:480
11558993332,0cyclictest246650irq/16-enp2s0f000:04:530
11558993332,0cyclictest168750irq/16-i91521:09:000
11558993331,1cyclictest246650irq/16-enp2s0f023:30:540
11558993331,1cyclictest246650irq/16-enp2s0f023:20:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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