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2026-04-10 - 11:52
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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 Fri Apr 10, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24739910695453412,53450cyclictest0-21swapper23:06:330
24739910672553458,53169cyclictest24608-21ssh00:28:060
24739910667053387,53192cyclictest0-21swapper21:13:500
24739910666453477,53187cyclictest0-21swapper23:30:090
24739910665053468,53182cyclictest0-21swapper23:13:450
24739910654753454,53093cyclictest0-21swapper22:42:160
24739910653553382,53088cyclictest0-21swapper21:55:320
24739910650053474,53026cyclictest0-21swapper23:54:570
24739910648953406,53083cyclictest0-21swapper21:50:010
24739910648453475,53009cyclictest0-21swapper00:06:000
24739910646853451,53017cyclictest0-21swapper19:45:450
24739910646853450,53018cyclictest0-21swapper23:24:280
24739910646253455,53007cyclictest0-21swapper22:26:010
24739910645453404,53050cyclictest0-21swapper23:02:310
24739910643953439,53000cyclictest0-21swapper20:41:210
24739910640853429,52979cyclictest0-21swapper23:46:440
24739910640453405,52905cyclictest0-21swapper20:24:460
24739910637753445,52869cyclictest2466-21cyclictest19:51:260
24739910633053423,52843cyclictest9-21ksoftirqd/020:39:200
24739910630853403,52840cyclictest9-21ksoftirqd/019:37:320
24739910630653470,52836cyclictest0-21swapper23:56:570
24739910629653465,52831cyclictest0-21swapper20:08:410
24739910622453422,52802cyclictest0-21swapper21:30:450
24739910621253473,52739cyclictest0-21swapper20:32:180
24739910619753422,52775cyclictest0-21swapper19:29:400
24739910617653449,52727cyclictest0-21swapper21:04:170
24739910616053448,52712cyclictest0-21swapper19:20:270
24739910615953401,52758cyclictest0-21swapper20:57:250
24739910611953449,52670cyclictest0-21swapper20:18:140
24739910597353057,52914cyclictest13409-21ssh00:10:410
24739910515553051,52102cyclictest0-21swapper00:35:580
24739910512553022,52101cyclictest0-21swapper21:24:330
2473995386453424,440cyclictest0-21swapper21:17:210
2473995386453420,444cyclictest0-21swapper00:24:150
2473995365853415,243cyclictest0-21swapper23:27:090
2473995357153420,151cyclictest0-21swapper19:18:070
2473995326924,463cyclictest0-21swapper20:01:490
2473995315527,0cyclictest0-21swapper20:26:470
2473995313614,53057cyclictest2466-21cyclictest23:42:530
2473995300052977,21cyclictest0-21swapper23:19:160
24739929411464,1350cyclictest2679-21devkit-power-da19:55:380
24739924661033,1433cyclictest25193-21ssh22:52:590
24739921871024,1129cyclictest0-21swapper20:45:320
24739921641092,972cyclictest2099-21runrttasks22:07:150
24739921551013,1048cyclictest9-21ksoftirqd/019:14:360
24739921041069,940cyclictest18589-21rm00:19:440
24739921011030,946cyclictest17888-21ssh21:54:520
24739920811067,919cyclictest134850irq/9-eth000:04:490
24739920151022,957cyclictest19874-21diskmemload22:35:030
24739920091084,800cyclictest498-21diskmemload22:15:480
24739919831023,925cyclictest3950irq/9-acpi00:32:370
24739919801030,858cyclictest0-21swapper22:24:300
2473991955991,926cyclictest29078-21ssh22:59:100
24739919551016,846cyclictest0-21swapper20:14:430
24739919381077,861cyclictest0-21swapper19:43:340
24739919201043,783cyclictest0-21swapper21:36:060
2473991908917,976cyclictest0-21swapper21:26:240
24739918831080,736cyclictest134850irq/9-eth021:43:190
24739918501046,766cyclictest2099-21runrttasks20:50:430
2473991842926,841cyclictest0-21swapper22:11:070
2473991819998,755cyclictest0-21swapper21:07:480
24739917811036,652cyclictest9-21ksoftirqd/019:32:310
24739917301084,646cyclictest0-21swapper23:35:210
2473991665949,681cyclictest22951-21ssh22:01:040
24739916631010,653cyclictest0-21swapper22:34:430
24739916121021,553cyclictest21809-21ssh22:47:570
162825696,239sleep00-21swapper19:06:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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