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2025-06-18 - 23:48
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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 50 highest latencies:
System rack6slot6 (updated Wed Jun 18, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174839910738453413,53872cyclictest2114-21munin-node08:37:110
174839910708953465,53535cyclictest133750irq/9-eth012:10:430
174839910706353460,53515cyclictest3950irq/9-acpi10:39:060
174839910692553468,53364cyclictest133750irq/9-eth009:35:480
174839910682753444,53383cyclictest0-21swapper10:23:320
174839910676253420,53253cyclictest23622-21rm11:09:150
174839910666553396,53206cyclictest9-21ksoftirqd/012:21:160
174839910665553407,53185cyclictest133750irq/9-eth009:07:300
174839910665253472,53180cyclictest0-21swapper08:58:580
174839910662753456,53171cyclictest0-21swapper11:19:080
174839910662353455,53168cyclictest0-21swapper10:08:380
174839910661853390,53163cyclictest9-21ksoftirqd/008:01:310
174839910653153478,53053cyclictest0-21swapper09:28:260
174839910651853473,53045cyclictest0-21swapper07:41:250
174839910650153468,53033cyclictest0-21swapper09:49:220
174839910649453424,53070cyclictest0-21swapper09:12:420
174839910648353457,53026cyclictest0-21swapper09:18:030
174839910647953461,53018cyclictest0-21swapper12:00:400
174839910644953444,53005cyclictest0-21swapper11:03:130
174839910644153398,53043cyclictest0-21swapper11:37:530
174839910643553395,53040cyclictest0-21swapper08:13:140
174839910642753458,52969cyclictest0-21swapper11:33:120
174839910642253458,52964cyclictest0-21swapper10:02:360
174839910632753473,52790cyclictest9-21ksoftirqd/007:33:430
174839910631953449,52870cyclictest0-21swapper12:38:210
174839910631653448,52868cyclictest0-21swapper08:07:430
174839910626153445,52704cyclictest0-21swapper12:34:400
174839910624553410,52743cyclictest0-21swapper10:13:190
174839910624453479,52765cyclictest0-21swapper12:17:050
174839910622453401,52823cyclictest0-21swapper12:28:480
174839910621653461,52720cyclictest0-21swapper08:47:540
174839910621153473,52738cyclictest0-21swapper07:22:100
174839910616253448,52714cyclictest0-21swapper08:34:410
174839910608153067,53011cyclictest19764-21taskset10:18:410
174839910504552955,52088cyclictest0-21swapper12:06:220
17483995394953396,553cyclictest0-21swapper08:22:370
17483995374825,209cyclictest512-21ssh09:51:230
17483995356353465,8cyclictest0-21swapper10:49:190
17483995353353383,150cyclictest0-21swapper07:26:310
17483995350425,53479cyclictest0-21swapper11:24:500
17483995348526,0cyclictest0-21swapper10:40:270
17483995324227,0cyclictest0-21swapper09:58:050
17483995322825,53203cyclictest0-21swapper08:40:020
17483995308627,53059cyclictest0-21swapper11:52:280
17483995295126,52859cyclictest0-21swapper07:52:080
174839924811099,1283cyclictest2421-21diskmemload11:29:310
174839923951095,1207cyclictest3950irq/9-acpi10:52:000
174839922661052,1164cyclictest2739-21devkit-power-da09:30:070
174839922491039,1210cyclictest26073-1kworker/u3:109:42:100
174839921501075,956cyclictest3950irq/9-acpi11:48:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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