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2026-05-13 - 10:06
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Wed May 13, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273369910697853427,53458cyclictest0-21swapper22:41:540
273369910680453331,53451cyclictest0-21swapper22:22:090
273369910668653397,53199cyclictest9-21ksoftirqd/021:59:120
273369910663253385,53157cyclictest0-21swapper21:24:120
273369910660553471,53134cyclictest0-21swapper21:13:390
273369910659453479,53115cyclictest0-21swapper23:17:350
273369910655953452,53107cyclictest0-21swapper20:59:250
273369910655153392,53094cyclictest0-21swapper22:35:420
273369910654753389,53090cyclictest0-21swapper22:53:580
273369910650853472,53036cyclictest0-21swapper00:39:380
273369910650353469,53034cyclictest0-21swapper21:32:340
273369910647853458,53020cyclictest0-21swapper20:32:370
273369910647053456,53014cyclictest0-21swapper23:22:260
273369910646853458,53010cyclictest0-21swapper23:27:470
273369910646153453,53008cyclictest0-21swapper21:49:590
273369910645353457,52996cyclictest0-21swapper21:17:500
273369910644453471,52973cyclictest0-21swapper19:36:010
273369910643753444,52993cyclictest0-21swapper20:09:200
273369910643653436,53000cyclictest0-21swapper00:19:420
273369910632753412,52824cyclictest0-21swapper19:54:060
273369910629453391,52812cyclictest0-21swapper20:24:450
273369910621053439,52771cyclictest0-21swapper19:47:340
273369910620253469,52733cyclictest0-21swapper20:36:180
273369910618053491,52598cyclictest0-21swapper20:40:490
273369910617853455,52723cyclictest0-21swapper21:43:470
273369910617453452,52722cyclictest0-21swapper20:17:030
273369910615853403,52755cyclictest0-21swapper21:08:470
273369910615353398,52755cyclictest0-21swapper23:41:310
273369910614453446,52698cyclictest0-21swapper21:03:260
273369910614053442,52698cyclictest0-21swapper19:32:300
273369910614053436,52704cyclictest0-21swapper20:14:220
273369910585153374,52473cyclictest0-21swapper20:01:580
27336995393853447,400cyclictest0-21swapper23:13:030
27336995374130,587cyclictest0-21swapper19:43:530
27336995357336,53537cyclictest0-21swapper22:57:290
27336995335625,53239cyclictest0-21swapper20:49:320
27336995319725,53172cyclictest0-21swapper20:53:530
27336995306626,53040cyclictest0-21swapper19:56:570
27336995294915,52923cyclictest9595-21ssh22:25:400
273369924021090,1187cyclictest1907-21snmpd23:07:320
273369923751027,1228cyclictest24445-21rm00:23:330
273369921391081,960cyclictest1907-21snmpd20:25:450
273369920991049,956cyclictest0-21swapper22:17:070
273369920991047,927cyclictest10788-21ssh00:03:180
273369920661023,1009cyclictest0-21swapper19:23:170
273369920421037,968cyclictest2201-21diskmemload23:03:200
27336992034969,1026cyclictest27060-21ssh00:26:540
273369920061041,900cyclictest3950irq/9-acpi22:07:540
273369919951018,911cyclictest134850irq/9-eth023:33:490
273369919521065,794cyclictest24827-21rm23:35:400
273369919471009,845cyclictest134850irq/9-eth023:52:450
27336991919968,914cyclictest21687-21diskmemload21:50:390
273369918101013,760cyclictest21687-21diskmemload22:01:530
273369917761094,584cyclictest2099-21runrttasks21:39:360
273369917581086,573cyclictest2617-21ssh21:29:130
273369916981071,627cyclictest0-21swapper23:56:060
273369916751028,555cyclictest8128-21kworker/0:300:06:190
273369916611090,508cyclictest27329-21cyclictest00:33:060
273369916571006,651cyclictest0-21swapper23:45:020
273369916531031,530cyclictest0-21swapper22:12:260
273369915981078,425cyclictest21687-21diskmemload22:46:250
273369915951073,400cyclictest14381-21ssh22:33:420
273369915151069,334cyclictest0-21swapper19:26:180
273369914151080,335cyclictest0-21swapper00:12:200
27336991116622,490cyclictest27881-21hwlatdetect-tra19:17:050
27336991112621,488cyclictest27894-21hwlatdetect-tra19:10:030
2925826912,14sleep029544-21hwlatdetect-tra19:08:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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