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2026-09-13 - 11:37
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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 Sep 13, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2620724624,15sleep10-21swapper/119:02:411
263522438,28sleep00-21swapper/019:04:140
26540993734,2cyclictest168750irq/16-i91500:10:391
26540993632,3cyclictest246650irq/16-enp2s0f021:20:451
26540993632,3cyclictest168750irq/16-i91521:50:431
26540993632,3cyclictest168750irq/16-i91520:06:591
26540993631,4cyclictest168750irq/16-i91521:35:411
26540993631,4cyclictest168750irq/16-i91520:30:281
26540993631,4cyclictest168750irq/16-i91520:02:471
26540993631,4cyclictest168750irq/16-i91519:10:161
26540993631,4cyclictest168750irq/16-i91500:21:101
26540993631,4cyclictest168750irq/16-i91500:01:071
26540993630,5cyclictest168750irq/16-i91500:33:481
26540993532,2cyclictest246650irq/16-enp2s0f020:32:311
26540993532,2cyclictest168750irq/16-i91523:10:581
26540993532,2cyclictest168750irq/16-i91522:55:451
26540993532,2cyclictest168750irq/16-i91522:52:101
26540993532,2cyclictest168750irq/16-i91522:32:101
26540993532,2cyclictest168750irq/16-i91521:11:231
26540993532,2cyclictest168750irq/16-i91519:55:501
26540993531,4cyclictest168750irq/16-i91519:20:171
26540993531,3cyclictest246650irq/16-enp2s0f021:40:561
26540993531,3cyclictest246650irq/16-enp2s0f019:23:591
26540993531,3cyclictest168750irq/16-i91523:54:461
26540993531,3cyclictest168750irq/16-i91523:15:431
26540993531,3cyclictest168750irq/16-i91522:00:441
26540993531,3cyclictest168750irq/16-i91521:58:171
26540993531,3cyclictest168750irq/16-i91521:35:101
26540993531,3cyclictest168750irq/16-i91521:26:191
26540993531,3cyclictest168750irq/16-i91520:17:551
26540993531,3cyclictest168750irq/16-i91520:15:261
26540993531,3cyclictest168750irq/16-i91519:44:131
26540993530,4cyclictest168750irq/16-i91500:26:111
26540993433,0cyclictest246650irq/16-enp2s0f019:52:191
26540993432,1cyclictest168750irq/16-i91523:56:061
26540993431,3cyclictest246650irq/16-enp2s0f023:29:591
26540993431,3cyclictest246650irq/16-enp2s0f000:16:011
26540993431,3cyclictest168750irq/16-i91519:40:211
26540993431,3cyclictest168750irq/16-i91519:13:201
26540993431,2cyclictest246650irq/16-enp2s0f020:39:291
26540993431,2cyclictest168750irq/16-i91523:36:151
26540993431,2cyclictest168750irq/16-i91523:03:261
26540993431,2cyclictest168750irq/16-i91522:40:581
26540993431,2cyclictest168750irq/16-i91522:38:101
26540993431,2cyclictest168750irq/16-i91522:11:501
26540993431,2cyclictest168750irq/16-i91522:10:291
26540993431,2cyclictest168750irq/16-i91521:05:471
26540993431,2cyclictest168750irq/16-i91520:51:261
26540993431,2cyclictest168750irq/16-i91520:46:031
26540993431,2cyclictest168750irq/16-i91520:45:291
26540993431,2cyclictest168750irq/16-i91520:21:291
26540993431,2cyclictest168750irq/16-i91500:08:181
26540993430,3cyclictest168750irq/16-i91523:46:281
26540993430,3cyclictest168750irq/16-i91522:25:491
26540993430,3cyclictest168750irq/16-i91519:30:191
26538993433,0cyclictest246650irq/16-enp2s0f021:08:070
26538993433,0cyclictest246650irq/16-enp2s0f020:03:320
26538993433,0cyclictest168750irq/16-i91520:36:020
26538993432,1cyclictest246650irq/16-enp2s0f021:53:540
26538993432,1cyclictest246650irq/16-enp2s0f019:55:440
26538993432,1cyclictest246650irq/16-enp2s0f019:49:050
26538993432,1cyclictest246650irq/16-enp2s0f019:26:270
26538993432,1cyclictest246650irq/16-enp2s0f000:33:580
26538993432,0cyclictest246650irq/16-enp2s0f022:52:090
26540993332,0cyclictest246650irq/16-enp2s0f022:19:341
26540993332,0cyclictest246650irq/16-enp2s0f019:31:191
26540993332,0cyclictest168750irq/16-i91521:20:171
26540993331,2cyclictest168750irq/16-i91523:20:461
26540993330,2cyclictest168750irq/16-i91523:30:551
26540993330,2cyclictest168750irq/16-i91521:00:591
26540993330,2cyclictest168750irq/16-i91520:56:371
26540993329,4cyclictest168750irq/16-i91521:45:421
26540993329,3cyclictest246650irq/16-enp2s0f023:40:411
26538993332,0cyclictest246650irq/16-enp2s0f023:51:520
26538993332,0cyclictest246650irq/16-enp2s0f023:35:460
26538993332,0cyclictest246650irq/16-enp2s0f023:31:190
26538993332,0cyclictest246650irq/16-enp2s0f023:21:250
26538993332,0cyclictest246650irq/16-enp2s0f023:19:240
26538993332,0cyclictest246650irq/16-enp2s0f023:11:440
26538993332,0cyclictest246650irq/16-enp2s0f023:05:570
26538993332,0cyclictest246650irq/16-enp2s0f023:03:270
26538993332,0cyclictest246650irq/16-enp2s0f022:57:490
26538993332,0cyclictest246650irq/16-enp2s0f022:47:510
26538993332,0cyclictest246650irq/16-enp2s0f022:36:220
26538993332,0cyclictest246650irq/16-enp2s0f022:21:550
26538993332,0cyclictest246650irq/16-enp2s0f022:12:350
26538993332,0cyclictest246650irq/16-enp2s0f022:08:080
26538993332,0cyclictest246650irq/16-enp2s0f022:01:530
26538993332,0cyclictest246650irq/16-enp2s0f021:45:420
26538993332,0cyclictest246650irq/16-enp2s0f021:42:020
26538993332,0cyclictest246650irq/16-enp2s0f021:35:510
26538993332,0cyclictest246650irq/16-enp2s0f021:32:510
26538993332,0cyclictest246650irq/16-enp2s0f021:26:020
26538993332,0cyclictest246650irq/16-enp2s0f021:15:370
26538993332,0cyclictest246650irq/16-enp2s0f020:56:400
26538993332,0cyclictest246650irq/16-enp2s0f020:50:530
26538993332,0cyclictest246650irq/16-enp2s0f020:48:090
26538993332,0cyclictest246650irq/16-enp2s0f020:44:540
26538993332,0cyclictest246650irq/16-enp2s0f020:35:290
26538993332,0cyclictest246650irq/16-enp2s0f020:25:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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