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2026-07-29 - 13:01
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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 Wed Jul 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186739910976655075,54689cyclictest2679-21devkit-power-da20:09:490
186739910782453421,54317cyclictest14363-21sh23:41:400
186739910728253409,53752cyclictest25578-21ssh23:58:040
186739910718253476,53610cyclictest2099-21runrttasks21:58:500
186739910680153384,53325cyclictest0-21swapper22:55:060
186739910676053404,53260cyclictest3670-21diskmemload22:08:330
186739910662153424,53106cyclictest0-21swapper21:45:360
186739910660353389,53120cyclictest0-21swapper21:18:380
186739910657353464,53109cyclictest0-21swapper20:01:160
186739910656953413,53094cyclictest9-21ksoftirqd/020:22:220
186739910655553405,53150cyclictest0-21swapper19:20:440
186739910653053410,53026cyclictest2099-21runrttasks20:57:220
186739910651353475,53038cyclictest0-21swapper23:03:390
186739910649053464,53026cyclictest0-21swapper00:17:200
186739910648653435,53051cyclictest0-21swapper21:09:260
186739910648453466,53018cyclictest0-21swapper21:44:360
186739910648253460,53022cyclictest0-21swapper23:31:570
186739910646453453,53011cyclictest0-21swapper00:11:280
186739910645853455,53003cyclictest0-21swapper22:25:280
186739910645853409,53049cyclictest0-21swapper20:44:190
186739910645753448,53009cyclictest0-21swapper22:45:030
186739910645353476,52977cyclictest0-21swapper20:51:000
186739910644553402,53043cyclictest0-21swapper00:38:060
186739910644253398,53044cyclictest0-21swapper21:27:110
186739910643353441,52992cyclictest0-21swapper19:32:280
186739910642553437,52988cyclictest0-21swapper20:12:590
186739910642353434,52989cyclictest0-21swapper22:35:100
186739910635853418,52876cyclictest9-21ksoftirqd/019:41:300
186739910627753384,52830cyclictest18666-21cyclictest23:49:020
186739910625953415,52752cyclictest0-21swapper20:32:250
186739910625353404,52849cyclictest0-21swapper00:01:150
186739910622053476,52744cyclictest0-21swapper20:39:370
186739910621753444,52773cyclictest0-21swapper20:47:390
186739910621053474,52736cyclictest0-21swapper19:46:320
186739910620653451,52755cyclictest0-21swapper00:34:250
186739910617053394,52776cyclictest0-21swapper20:29:240
186739910615653403,52753cyclictest0-21swapper19:18:240
186739910612753431,52696cyclictest0-21swapper21:22:090
186739910612053422,52698cyclictest0-21swapper19:38:400
186739910611253422,52690cyclictest0-21swapper23:05:090
186739910567552948,52724cyclictest19492-21ssh22:17:050
186739910519353076,52115cyclictest0-21swapper21:31:220
186739910519253063,52123cyclictest0-21swapper23:52:530
186739910512452994,52128cyclictest0-21swapper21:13:070
186739910511752999,52116cyclictest0-21swapper22:51:150
186739910508452980,52102cyclictest0-21swapper00:20:210
186739910502852936,52090cyclictest0-21swapper19:28:070
186739910501352911,52100cyclictest0-21swapper23:23:240
18673995362929,53501cyclictest2099-21runrttasks20:17:510
18673995335024,53232cyclictest0-21swapper19:11:020
18673995310227,52983cyclictest0-21swapper19:54:340
18673995305027,53023cyclictest0-21swapper23:14:420
18673995301727,52899cyclictest0-21swapper23:19:330
186739925041057,1319cyclictest23461-21ssh22:23:070
18673992377999,1253cyclictest2099-21runrttasks22:32:100
186739923121067,1145cyclictest3670-21diskmemload23:38:590
186739920631020,1009cyclictest0-21swapper19:56:350
186739920321108,797cyclictest22991-21ssh21:36:030
18673992021982,1005cyclictest0-21swapper21:03:240
18673991960949,991cyclictest3950irq/9-acpi21:50:380
18673991928928,966cyclictest0-21swapper22:43:430
186739919001034,773cyclictest0-21swapper22:14:240
186739918611048,694cyclictest0-21swapper00:09:480
18673991787971,782cyclictest137102sleep000:26:530
186739915611027,444cyclictest9-21ksoftirqd/023:29:360
186739914891003,419cyclictest0-21swapper22:01:310
18217267835,206sleep00-21swapper19:07:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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