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2025-12-02 - 12:32
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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 100 highest latencies:
System rack6slot6 (updated Tue Dec 02, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109589910728553477,53711cyclictest2103-21runrttasks19:43:310
109589910675453462,53228cyclictest10947-21cyclictest23:05:490
109589910667653456,53129cyclictest9-21ksoftirqd/000:15:390
109589910663953453,53122cyclictest9-21ksoftirqd/022:20:460
109589910660753473,53134cyclictest0-21swapper20:55:420
109589910658553465,53120cyclictest0-21swapper20:48:200
109589910657553467,53042cyclictest0-21swapper21:24:200
109589910651353475,53038cyclictest0-21swapper22:10:030
109589910651053391,53023cyclictest10707-21ssh22:01:210
109589910648653467,53019cyclictest0-21swapper21:53:280
109589910644353442,53001cyclictest0-21swapper00:08:270
109589910632053438,52816cyclictest0-21swapper21:04:140
109589910626253390,52808cyclictest0-21swapper22:47:440
109589910624753447,52800cyclictest0-21swapper19:46:520
109589910621353469,52744cyclictest0-21swapper23:16:420
109589910620153437,52764cyclictest0-21swapper19:38:490
109589910618653460,52726cyclictest0-21swapper19:31:370
109589910616053447,52713cyclictest0-21swapper20:15:400
109589910615353444,52709cyclictest0-21swapper20:08:480
109589910615253437,52715cyclictest0-21swapper20:40:470
109589910613853391,52747cyclictest0-21swapper20:26:030
109589910613853389,52749cyclictest0-21swapper19:24:250
109589910613153433,52698cyclictest0-21swapper20:13:190
109589910595752916,53039cyclictest0-21swapper23:39:290
109589910583353032,52798cyclictest23293-21ssh22:19:060
109589910548452978,52503cyclictest9966-21sh23:27:350
109589910530453066,52238cyclictest0-21swapper20:37:060
109589910522253061,52159cyclictest0-21swapper21:19:280
109589910518553009,52174cyclictest17501-21ssh22:54:560
109589910502952941,52086cyclictest0-21swapper21:10:060
10958995345726,385cyclictest0-21swapper00:29:030
10958995320825,53183cyclictest0-21swapper19:25:360
10958995304627,53019cyclictest0-21swapper19:57:250
1095899521288,52118cyclictest0-21swapper21:49:170
109589925271094,1308cyclictest2103-21runrttasks23:55:530
10958992315996,1253cyclictest681949kworker/u2:321:58:500
109589922951014,1189cyclictest3950irq/9-acpi00:35:550
109589921801039,1043cyclictest2103-21runrttasks20:50:500
109589921511040,1074cyclictest10640-21ssh00:11:280
109589920921042,1029cyclictest0-21swapper22:58:570
109589920811019,967cyclictest133750irq/9-eth000:24:520
109589920601096,897cyclictest3950irq/9-acpi23:50:520
109589920531088,871cyclictest126512sleep022:05:020
10958992029985,1010cyclictest0-21swapper22:29:390
109589919911034,865cyclictest0-21swapper23:44:100
109589919821029,856cyclictest0-21swapper20:00:360
109589919601056,840cyclictest133750irq/9-eth023:33:470
109589919371073,772cyclictest0-21swapper20:24:530
109589919371010,893cyclictest0-21swapper20:31:550
10958991930937,959cyclictest0-21swapper00:30:440
109589919181043,783cyclictest0-21swapper21:41:350
10958991914932,946cyclictest2114-21munin-node21:33:530
109589918921030,770cyclictest0-21swapper23:22:040
10958991766872,869cyclictest23206-21ssh23:01:380
109589917191037,592cyclictest133750irq/9-eth019:50:130
109589917111103,608cyclictest0-21swapper00:02:150
109589917011013,594cyclictest0-21swapper22:37:310
109589916601054,606cyclictest0-21swapper21:28:210
10958991536922,579cyclictest30653-21ssh23:11:410
10958991517699,810cyclictest0-21swapper21:08:350
109589915051011,428cyclictest0-21swapper22:41:220
10958991483718,762cyclictest0-21swapper21:39:140
109589914411089,352cyclictest0-21swapper23:49:320
109589914241020,404cyclictest0-21swapper22:32:090
10958991197612,582cyclictest6860-21wc19:19:040
10958991174597,574cyclictest10999-21cat19:10:010
10958991167597,567cyclictest4229-21hwlatdetect-tra19:14:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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