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2026-09-18 - 06:15
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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 Fri Sep 18, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85412570,0sleep10-21swapper/119:35:301
42432458,8sleep00-21swapper/019:03:580
4449993534,0cyclictest168750irq/16-i91500:26:101
4449993433,0cyclictest168750irq/16-i91520:15:301
4448993433,0cyclictest246650irq/16-enp2s0f022:42:170
4448993433,0cyclictest246650irq/16-enp2s0f021:52:560
4448993433,0cyclictest246650irq/16-enp2s0f021:46:200
4448993433,0cyclictest246650irq/16-enp2s0f020:32:270
4448993432,1cyclictest246650irq/16-enp2s0f023:24:210
4448993432,1cyclictest246650irq/16-enp2s0f021:02:310
4448993432,1cyclictest246650irq/16-enp2s0f020:55:410
4448993432,1cyclictest246650irq/16-enp2s0f020:11:480
4448993432,1cyclictest246650irq/16-enp2s0f000:16:250
4448993432,1cyclictest168750irq/16-i91523:56:140
4449993333,0cyclictest168750irq/16-i91519:19:061
4449993332,0cyclictest246650irq/16-enp2s0f023:55:451
4449993332,0cyclictest246650irq/16-enp2s0f021:35:421
4449993332,0cyclictest246650irq/16-enp2s0f021:18:381
4449993332,0cyclictest246650irq/16-enp2s0f020:31:311
4449993332,0cyclictest246650irq/16-enp2s0f000:01:141
4449993332,0cyclictest168750irq/16-i91523:29:321
4449993332,0cyclictest168750irq/16-i91523:19:581
4449993332,0cyclictest168750irq/16-i91523:11:041
4449993332,0cyclictest168750irq/16-i91523:03:011
4449993332,0cyclictest168750irq/16-i91522:51:011
4449993332,0cyclictest168750irq/16-i91522:41:561
4449993332,0cyclictest168750irq/16-i91522:35:441
4449993332,0cyclictest168750irq/16-i91522:25:441
4449993332,0cyclictest168750irq/16-i91522:16:091
4449993332,0cyclictest168750irq/16-i91522:02:191
4449993332,0cyclictest168750irq/16-i91521:56:551
4449993332,0cyclictest168750irq/16-i91521:47:411
4449993332,0cyclictest168750irq/16-i91521:43:591
4449993332,0cyclictest168750irq/16-i91521:12:501
4449993332,0cyclictest168750irq/16-i91521:08:591
4449993332,0cyclictest168750irq/16-i91521:00:301
4449993332,0cyclictest168750irq/16-i91520:40:371
4449993332,0cyclictest168750irq/16-i91520:05:301
4449993332,0cyclictest168750irq/16-i91519:56:061
4449993332,0cyclictest168750irq/16-i91519:52:011
4449993332,0cyclictest168750irq/16-i91519:45:271
4449993332,0cyclictest168750irq/16-i91519:38:421
4449993332,0cyclictest168750irq/16-i91519:10:461
4449993332,0cyclictest168750irq/16-i91500:11:341
4449993331,1cyclictest168750irq/16-i91520:23:561
4449993331,1cyclictest168750irq/16-i91500:21:181
4448993333,0cyclictest246650irq/16-enp2s0f023:28:540
4448993333,0cyclictest246650irq/16-enp2s0f022:32:030
4448993333,0cyclictest246650irq/16-enp2s0f020:38:230
4448993332,0cyclictest246650irq/16-enp2s0f023:50:330
4448993332,0cyclictest246650irq/16-enp2s0f023:48:090
4448993332,0cyclictest246650irq/16-enp2s0f023:41:450
4448993332,0cyclictest246650irq/16-enp2s0f023:35:410
4448993332,0cyclictest246650irq/16-enp2s0f023:33:530
4448993332,0cyclictest246650irq/16-enp2s0f023:16:080
4448993332,0cyclictest246650irq/16-enp2s0f023:11:200
4448993332,0cyclictest246650irq/16-enp2s0f023:02:280
4448993332,0cyclictest246650irq/16-enp2s0f022:55:060
4448993332,0cyclictest246650irq/16-enp2s0f022:46:000
4448993332,0cyclictest246650irq/16-enp2s0f022:37:460
4448993332,0cyclictest246650irq/16-enp2s0f022:27:100
4448993332,0cyclictest246650irq/16-enp2s0f021:43:200
4448993332,0cyclictest246650irq/16-enp2s0f021:31:230
4448993332,0cyclictest246650irq/16-enp2s0f021:25:540
4448993332,0cyclictest246650irq/16-enp2s0f021:15:410
4448993332,0cyclictest246650irq/16-enp2s0f020:45:390
4448993332,0cyclictest246650irq/16-enp2s0f020:09:510
4448993332,0cyclictest246650irq/16-enp2s0f019:50:520
4448993332,0cyclictest246650irq/16-enp2s0f019:49:240
4448993332,0cyclictest246650irq/16-enp2s0f019:45:140
4448993332,0cyclictest246650irq/16-enp2s0f019:27:050
4448993332,0cyclictest246650irq/16-enp2s0f019:20:520
4448993332,0cyclictest246650irq/16-enp2s0f019:15:360
4448993332,0cyclictest246650irq/16-enp2s0f019:15:230
4448993332,0cyclictest246650irq/16-enp2s0f019:05:340
4448993332,0cyclictest246650irq/16-enp2s0f000:26:190
4448993332,0cyclictest246650irq/16-enp2s0f000:06:000
4448993332,0cyclictest168750irq/16-i91521:25:240
4448993331,1cyclictest246650irq/16-enp2s0f023:06:440
4448993331,1cyclictest246650irq/16-enp2s0f021:10:430
4448993331,1cyclictest168750irq/16-i91520:25:340
4449993232,0cyclictest168750irq/16-i91523:30:421
4449993232,0cyclictest168750irq/16-i91521:30:401
4449993232,0cyclictest168750irq/16-i91521:23:311
4449993231,0cyclictest246650irq/16-enp2s0f021:25:411
4449993231,0cyclictest246650irq/16-enp2s0f020:25:341
4449993231,0cyclictest168750irq/16-i91523:50:431
4449993231,0cyclictest168750irq/16-i91523:46:121
4449993231,0cyclictest168750irq/16-i91523:40:411
4449993231,0cyclictest168750irq/16-i91523:37:391
4449993231,0cyclictest168750irq/16-i91523:21:591
4449993231,0cyclictest168750irq/16-i91523:05:431
4449993231,0cyclictest168750irq/16-i91522:55:301
4449993231,0cyclictest168750irq/16-i91522:47:141
4449993231,0cyclictest168750irq/16-i91522:31:451
4449993231,0cyclictest168750irq/16-i91522:10:301
4449993231,0cyclictest168750irq/16-i91522:07:551
4449993231,0cyclictest168750irq/16-i91520:55:301
4449993231,0cyclictest168750irq/16-i91520:46:411
4449993231,0cyclictest168750irq/16-i91520:11:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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