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2026-01-09 - 03:16
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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 Jan 09, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234899910706153425,53570cyclictest50072sleep022:36:350
234899910666453429,53235cyclictest0-21swapper21:27:350
234899910661853435,53183cyclictest0-21swapper20:25:070
234899910659353429,53164cyclictest0-21swapper21:18:330
234899910649153473,53018cyclictest0-21swapper23:33:010
234899910645453465,52989cyclictest0-21swapper19:41:150
234899910644953440,53009cyclictest0-21swapper21:13:410
234899910643353440,52993cyclictest0-21swapper00:19:550
234899910637753446,52868cyclictest23483-21cyclictest20:02:310
234899910624353465,52778cyclictest0-21swapper19:55:290
234899910622553413,52812cyclictest0-21swapper20:22:470
234899910622353477,52746cyclictest0-21swapper21:07:090
234899910621253430,52782cyclictest0-21swapper23:15:060
234899910620053467,52733cyclictest0-21swapper19:20:290
234899910618153412,52769cyclictest0-21swapper20:41:420
234899910616953405,52764cyclictest0-21swapper20:55:360
234899910615553396,52759cyclictest0-21swapper21:38:490
234899910598953343,52646cyclictest0-21swapper23:35:120
234899910587653371,52505cyclictest0-21swapper22:21:110
234899910542653172,52254cyclictest0-21swapper23:54:480
234899910530952924,52383cyclictest9-21ksoftirqd/022:18:000
234899910508052975,52103cyclictest0-21swapper00:05:410
234899910499952903,52091cyclictest0-21swapper21:50:520
23489995352027,53493cyclictest0-21swapper19:48:570
23489995347025,53445cyclictest0-21swapper20:54:460
23489995335424,53330cyclictest0-21swapper20:45:330
23489995324424,464cyclictest0-21swapper21:32:170
23489995318524,407cyclictest0-21swapper19:29:110
234899923041085,1093cyclictest19594-21grep22:58:010
234899922991013,1194cyclictest9-21ksoftirqd/022:25:420
234899922811084,1197cyclictest0-21swapper20:36:410
234899922281047,1057cyclictest5675-21runrttasks21:00:580
234899922231045,1079cyclictest11439-21munin-node00:20:250
234899921811035,1052cyclictest134850irq/9-eth022:49:490
234899921651100,938cyclictest670-21ssh00:04:510
234899921351029,1069cyclictest1505-21ssh22:31:540
234899921151004,1076cyclictest0-21swapper21:44:200
234899920901027,970cyclictest3950irq/9-acpi23:55:480
23489991989958,995cyclictest18845-21ssh21:24:440
234899919761030,854cyclictest0-21swapper20:12:540
234899919661042,887cyclictest8519-21diskmemload00:30:280
23489991958972,962cyclictest16753-21ssh22:54:200
23489991922940,959cyclictest0-21swapper23:47:460
234899919101088,722cyclictest7538-21ssh00:14:230
234899918841076,709cyclictest8876-21ssh23:29:400
23489991835891,930cyclictest0-21swapper19:33:420
234899918171090,662cyclictest9-21ksoftirqd/021:49:010
23489991773954,782cyclictest10656-21ssh21:59:040
23489991758981,777cyclictest0-21swapper22:06:160
234899916881089,599cyclictest0-21swapper22:12:380
234899916861008,678cyclictest0-21swapper22:04:260
234899916731082,591cyclictest0-21swapper19:53:480
234899916621075,587cyclictest0-21swapper20:30:090
234899916591075,584cyclictest0-21swapper00:39:310
234899916551026,540cyclictest3950irq/9-acpi20:08:430
234899916251081,452cyclictest9-21ksoftirqd/023:10:350
23489991607971,599cyclictest17417-21ssh00:28:170
234899915911079,447cyclictest9-21ksoftirqd/020:16:450
23489991512924,552cyclictest25734-21ssh23:06:140
23489991497994,414cyclictest0-21swapper19:39:040
234899914831002,415cyclictest0-21swapper23:22:080
23489991448985,397cyclictest0-21swapper22:43:570
23489991419651,764cyclictest0-21swapper19:19:590
234899914111028,383cyclictest0-21swapper23:44:450
234899913761061,315cyclictest0-21swapper23:03:030
23489991183607,573cyclictest28473-21hwlatdetect-tra19:10:260
968722210,1sleep09688-21hwlatdetect-tra19:09:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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