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2026-05-24 - 02:30
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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 792 highest latencies:
System rack6slot6 (updated Sun May 24, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271159910682153452,53304cyclictest9-21ksoftirqd/023:41:340
271159910663953468,53171cyclictest0-21swapper23:52:480
271159910657553461,53114cyclictest0-21swapper22:14:590
271159910650553476,53029cyclictest0-21swapper21:29:570
271159910649753451,53046cyclictest0-21swapper23:23:190
271159910647953386,53005cyclictest3950irq/9-acpi23:58:490
271159910647253414,53058cyclictest0-21swapper19:41:050
271159910646853453,53015cyclictest0-21swapper21:23:550
271159910643753437,53000cyclictest0-21swapper00:27:180
271159910641353427,52986cyclictest0-21swapper23:33:220
271159910636753395,52883cyclictest9-21ksoftirqd/019:28:320
271159910622753477,52750cyclictest0-21swapper20:04:120
271159910621453471,52743cyclictest0-21swapper20:45:340
271159910618553460,52725cyclictest0-21swapper21:54:540
271159910616953406,52763cyclictest0-21swapper19:47:570
271159910613753433,52704cyclictest0-21swapper20:20:570
271159910613453434,52700cyclictest0-21swapper20:14:150
271159910518653068,52116cyclictest0-21swapper21:44:010
271159910506153009,52050cyclictest0-21swapper22:53:210
27115995385653417,439cyclictest0-21swapper20:53:260
27115995373853406,242cyclictest0-21swapper19:33:530
27115995364953491,60cyclictest1907-21snmpd20:19:160
27115995356825,53451cyclictest0-21swapper00:16:350
27115995348027,0cyclictest0-21swapper23:19:480
27115995337211,0cyclictest0-21swapper20:26:480
27115995324626,53127cyclictest0-21swapper21:04:090
2711599531846,53178cyclictest0-21swapper20:05:320
27115995317425,53149cyclictest0-21swapper22:21:410
27115995306324,53039cyclictest0-21swapper23:11:260
27115995294152928,11cyclictest4794-21ssh21:11:210
27115995277627,52749cyclictest0-21swapper20:41:530
271159950512891,2150cyclictest2679-21devkit-power-da21:47:320
271159932451896,1346cyclictest1741-21hald23:38:340
271159922501023,1102cyclictest3055-21diskmemload00:33:190
271159922071091,991cyclictest14254-21ssh00:37:100
271159922061044,1035cyclictest13871-21ssh23:48:560
271159921971090,981cyclictest2099-21runrttasks00:20:050
271159921081052,929cyclictest30052-21runrttasks19:38:040
271159921001080,927cyclictest3950irq/9-acpi21:35:580
27115992056999,1022cyclictest0-21swapper22:06:570
27115992029986,1008cyclictest0-21swapper23:02:530
271159920291027,904cyclictest3055-21diskmemload22:40:070
271159920151032,947cyclictest16768-21ssh22:17:000
271159919861031,861cyclictest0-21swapper19:24:400
27115991976978,984cyclictest0-21swapper22:37:460
271159919651097,776cyclictest9-21ksoftirqd/000:12:430
271159919471081,866cyclictest0-21swapper00:06:320
271159919371076,861cyclictest0-21swapper21:05:390
271159919051098,707cyclictest3055-21diskmemload21:59:150
271159918991032,773cyclictest0-21swapper00:02:000
271159918681079,722cyclictest134850irq/9-eth021:16:530
27115991824960,840cyclictest5641-21ssh22:00:250
27115991761908,832cyclictest18016-21ssh21:30:470
271159917171076,641cyclictest0-21swapper22:33:150
271159916711053,521cyclictest2099-21runrttasks19:57:300
271159916681057,611cyclictest0-21swapper23:25:500
271159916481094,462cyclictest0-21swapper23:06:140
271159916471093,462cyclictest0-21swapper19:50:380
271159916471086,467cyclictest0-21swapper20:32:200
271159916461040,508cyclictest2099-21runrttasks20:36:210
271159916101026,493cyclictest9-21ksoftirqd/022:27:530
271159915581083,358cyclictest0-21swapper20:58:270
271159915091044,374cyclictest0-21swapper22:48:390
271159914611093,368cyclictest0-21swapper22:58:320
27115991087616,467cyclictest20612-21hwlatdetect-tra19:11:570
27115991078611,463cyclictest20614-21hwlatdetect-tra19:15:480
27115998779,6cyclictest2679-21devkit-power-da19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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