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2026-06-17 - 22:04
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot7.osadl.org (updated Wed Jun 17, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120957899425424,0cyclictest0-21swapper/219:42:2412
120958499373371,1cyclictest1149263-21kworker/u40:0+events_unbound19:42:2414
120957099370370,0cyclictest137450irq/125-eno120:06:260
120957099370370,0cyclictest137450irq/125-eno119:28:010
120957099370369,1cyclictest137450irq/125-eno120:13:550
120957099369368,1cyclictest1184927-21kworker/0:2+pm23:34:090
120957099368368,0cyclictest1184927-21kworker/0:2+pm19:41:000
120957099367367,0cyclictest137450irq/125-eno121:59:480
120957099367366,1cyclictest1184927-21kworker/0:2+pm23:29:480
120957099363363,0cyclictest1286511-21kworker/u40:13+events_unbound22:26:100
120957099356355,1cyclictest1184927-21kworker/0:2+pm22:52:510
120958899322321,1cyclictest1166539-21kworker/u40:4+events_unbound19:37:5015
120958899318316,1cyclictest1194668-21kworker/u40:7+events_unbound19:42:2415
120959099305305,0cyclictest99250irq/154-snd_hda_intel:card119:37:5016
120959099304304,0cyclictest99250irq/154-snd_hda_intel:card122:03:5616
120957099301300,1cyclictest1477248-21Renderer20:43:560
120959099300299,1cyclictest1263102-21kworker/u40:4+events_unbound20:35:1416
120959099298297,0cyclictest0-21swapper/619:42:2416
120957399293292,0cyclictest0-21swapper/119:42:241
120957399291291,0cyclictest1209159-21kworker/u40:15+events_unbound20:30:401
120957399291290,1cyclictest1354761-21kworker/u40:7+events_unbound21:59:481
120959099290289,1cyclictest0-21swapper/620:45:0916
120958499290285,5cyclictest1477248-21Renderer20:50:4614
120957099290290,0cyclictest1184927-21kworker/0:2+pm19:39:520
120960099289286,3cyclictest1477248-21Renderer19:32:4419
120958899289283,5cyclictest1477248-21Renderer20:03:0415
120958499289283,6cyclictest1477248-21Renderer19:39:4314
120958499289283,5cyclictest1477248-21Renderer19:19:1614
120960099288283,5cyclictest1477248-21Renderer20:07:3119
120959899288281,6cyclictest1477248-21Renderer19:24:5918
120959099288283,5cyclictest1477248-21Renderer19:21:2816
120958899288282,6cyclictest1477248-21Renderer20:45:1515
120958499288281,6cyclictest1477248-21Renderer21:23:2514
120958499288281,6cyclictest1477248-21Renderer21:23:2514
120957899288282,4cyclictest1477248-21Renderer20:49:4612
120957399288282,5cyclictest1477248-21Renderer19:57:191
120957399288282,5cyclictest1477248-21Renderer19:15:441
120957399288282,4cyclictest1477248-21Renderer21:42:341
120960099287283,4cyclictest1477248-21Renderer20:54:0819
120960099287282,4cyclictest1477248-21Renderer20:14:0919
120960099287282,4cyclictest1477248-21Renderer20:04:2419
120960099287280,6cyclictest1477248-21Renderer20:43:2519
120959899287282,5cyclictest1477248-21Renderer20:07:5218
120959899287282,5cyclictest1477248-21Renderer19:13:2318
120959899287282,4cyclictest1477248-21Renderer20:03:1218
120959399287282,5cyclictest1477248-21Renderer19:26:2117
120959099287282,5cyclictest1477248-21Renderer20:50:1416
120959099287282,4cyclictest1477248-21Renderer20:11:3216
120959099287281,6cyclictest1477248-21Renderer21:45:1716
120958899287282,5cyclictest1477248-21Renderer22:17:3415
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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