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2025-09-17 - 13:03
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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 Sep 17, 2025 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210699910737053425,53849cyclictest25806-21ssh23:10:130
210699910680653405,53311cyclictest24256-1kworker/u3:100:05:490
210699910679853459,53243cyclictest11446-21ssh22:02:030
210699910665353433,53220cyclictest0-21swapper20:42:000
210699910663353445,53188cyclictest0-21swapper20:48:220
210699910662453459,53165cyclictest0-21swapper19:49:150
210699910660053471,53129cyclictest0-21swapper00:38:280
210699910658053400,53116cyclictest9-21ksoftirqd/019:29:500
210699910654453475,53069cyclictest0-21swapper21:42:380
210699910653053400,53130cyclictest0-21swapper23:28:080
210699910652953391,53138cyclictest0-21swapper20:36:190
210699910651753478,53039cyclictest0-21swapper21:08:180
210699910651653475,53041cyclictest0-21swapper19:16:260
210699910651253478,53034cyclictest0-21swapper22:08:250
210699910649253451,53041cyclictest0-21swapper21:55:520
210699910644253450,52992cyclictest0-21swapper23:05:220
210699910643653433,53003cyclictest0-21swapper23:38:510
210699910642053439,52981cyclictest0-21swapper22:50:070
210699910639653434,52962cyclictest0-21swapper19:31:200
210699910635953474,52885cyclictest0-21swapper19:56:470
210699910632953460,52869cyclictest0-21swapper20:32:380
210699910630953411,52834cyclictest31278-21kworker/0:022:33:120
210699910627953459,52820cyclictest0-21swapper20:13:320
210699910625953389,52805cyclictest0-21swapper19:21:370
210699910621553475,52740cyclictest0-21swapper19:39:420
210699910621353473,52740cyclictest0-21swapper21:17:510
210699910620153423,52778cyclictest0-21swapper00:32:370
210699910616853406,52762cyclictest0-21swapper20:23:450
210699910615753446,52711cyclictest0-21swapper19:12:150
210699910610653415,52691cyclictest0-21swapper20:02:290
210699910563853005,52627cyclictest28301-21ssh22:27:210
210699910505452954,52098cyclictest0-21swapper22:24:200
210699910502652920,52104cyclictest0-21swapper22:45:360
21069995398653367,529cyclictest0-21swapper21:23:320
21069995384053400,440cyclictest0-21swapper00:27:050
21069995369032,197cyclictest0-21swapper20:51:530
21069995368026,0cyclictest0-21swapper23:46:440
21069995355028,0cyclictest0-21swapper20:09:010
21069995341225,53387cyclictest0-21swapper20:25:460
21069995337327,194cyclictest0-21swapper21:47:590
21069995335928,0cyclictest0-21swapper23:15:450
21069995334724,53323cyclictest0-21swapper19:53:060
210699924351083,1252cyclictest7718-21ssh22:44:360
210699923961094,1202cyclictest17671-21kworker/u2:123:50:250
210699923681090,1185cyclictest10-21rcuc/021:13:490
210699923151029,1161cyclictest10345-21ssh00:19:430
210699922721059,1190cyclictest6043-21diskmemload21:52:000
210699922561013,1150cyclictest25920-21kworker/u2:000:03:580
210699921821061,995cyclictest28632-21ssh23:59:570
210699921441061,986cyclictest13329-21ssh00:23:340
21069992081985,1059cyclictest5429-21ssh00:11:510
210699920571007,1030cyclictest0-21swapper19:43:130
210699920021022,946cyclictest133750irq/9-eth021:31:450
21069992000974,1026cyclictest0-21swapper22:16:070
210699919951023,851cyclictest0-21swapper20:15:430
210699919881024,929cyclictest0-21swapper22:37:030
210699919811029,859cyclictest0-21swapper21:04:470
210699919631015,881cyclictest133750irq/9-eth023:34:500
21069991934929,970cyclictest0-21swapper20:59:550
21069991884967,897cyclictest3950irq/9-acpi22:13:170
210699918611008,731cyclictest17097-21ssh23:43:020
210699918381027,774cyclictest22009-21taskset23:04:510
210699917851070,593cyclictest6043-21diskmemload21:28:340
210699916921066,626cyclictest0-21swapper23:24:270
210699916761042,596cyclictest17299-21ssh22:57:290
210699915841015,569cyclictest0-21swapper21:37:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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