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2026-09-11 - 13:12
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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 all highest latencies:
System rack6slot6 (updated Fri Sep 11, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232539910726353516,53651cyclictest4323-21ssh22:36:080
232539910695453416,53447cyclictest0-21swapper23:10:380
232539910689853416,53393cyclictest3950irq/9-acpi21:19:560
232539910688653445,53377cyclictest9-21ksoftirqd/000:25:200
232539910676553431,53267cyclictest15029-21kworker/u2:122:19:030
232539910654553443,53102cyclictest0-21swapper20:48:470
232539910654553388,53067cyclictest0-21swapper00:37:430
232539910653053400,53130cyclictest0-21swapper23:43:480
232539910651053429,53081cyclictest0-21swapper20:22:000
232539910649453468,53026cyclictest0-21swapper00:32:320
232539910649353433,53060cyclictest0-21swapper21:43:230
232539910648953429,53060cyclictest0-21swapper21:12:140
232539910648753471,53016cyclictest0-21swapper22:09:410
232539910646653423,52955cyclictest23211-21cyclictest19:55:020
232539910645853450,53008cyclictest0-21swapper23:34:250
232539910644853445,53003cyclictest0-21swapper00:05:040
232539910644753444,53003cyclictest0-21swapper23:25:320
232539910644253452,52990cyclictest0-21swapper23:47:290
232539910643653435,53001cyclictest0-21swapper22:10:310
232539910643053393,53037cyclictest0-21swapper00:23:590
232539910640753403,52941cyclictest3950irq/9-acpi23:24:020
232539910633153466,52865cyclictest0-21swapper20:53:590
232539910629453392,52810cyclictest0-21swapper19:47:400
232539910623953437,52802cyclictest0-21swapper20:17:380
232539910621853409,52745cyclictest0-21swapper20:57:500
232539910621553470,52745cyclictest0-21swapper22:47:310
232539910620053463,52737cyclictest0-21swapper23:35:050
232539910617753455,52722cyclictest0-21swapper20:07:150
232539910616653446,52720cyclictest0-21swapper19:36:360
232539910616553448,52717cyclictest0-21swapper22:41:400
232539910615753442,52715cyclictest0-21swapper19:27:540
232539910614353432,52711cyclictest0-21swapper20:27:110
232539910614053392,52748cyclictest0-21swapper19:52:410
232539910614053056,53078cyclictest0-21swapper22:22:340
232539910504852984,52062cyclictest0-21swapper21:36:410
23253995401753422,504cyclictest0-21swapper20:40:150
23253995396828,53846cyclictest0-21swapper21:01:010
23253995360353451,152cyclictest0-21swapper22:34:080
23253995348625,383cyclictest0-21swapper22:28:460
23253995318626,0cyclictest0-21swapper23:04:460
23253995317828,53058cyclictest0-21swapper21:25:380
23253995316924,53051cyclictest0-21swapper22:56:540
23253995314427,53117cyclictest0-21swapper23:07:270
23253995306627,53039cyclictest0-21swapper23:59:120
23253995278626,52760cyclictest0-21swapper19:34:360
23253995271915,52704cyclictest0-21swapper00:13:160
232539945862426,2157cyclictest1741-21hald21:24:280
232539928222796,17cyclictest2679-21devkit-power-da20:35:540
232539923551088,1175cyclictest9-21ksoftirqd/021:09:130
232539923251066,1135cyclictest22472-21ssh21:32:000
232539922941063,1104cyclictest0-21swapper00:18:180
232539922581015,1091cyclictest8048-21ssh21:56:370
232539922441070,1080cyclictest3950irq/9-acpi00:04:340
232539922161012,1079cyclictest5518-21ssh21:53:460
23253992026987,1004cyclictest0-21swapper21:49:150
232539919871031,861cyclictest0-21swapper20:12:170
232539919821093,764cyclictest2066-21ssh23:18:400
23253991961945,982cyclictest0-21swapper20:34:330
232539919431063,785cyclictest0-21swapper20:02:440
232539918751060,687cyclictest27732sleep019:43:380
232539917611024,699cyclictest12993-21ssh22:04:190
232539915871031,519cyclictest15594-21ssh22:52:030
232539915731061,504cyclictest8833-21kworker/0:323:52:200
232539915481027,429cyclictest9-21ksoftirqd/019:23:130
23253991046614,428cyclictest24143-21wc19:14:400
23253991002591,408cyclictest3737-21hwlatdetect-tra19:17:510
2444122570,1sleep024436-21hwlatdetect-tra19:06:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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