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2026-06-04 - 06:27
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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 376 highest latencies:
System rack6slot6 (updated Thu Jun 04, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107079910726953403,53800cyclictest9-21ksoftirqd/000:11:470
107079910700353410,53497cyclictest1021-21ssh23:41:180
107079910677853446,53242cyclictest15576-21kworker/0:320:42:370
107079910655453419,53069cyclictest0-21swapper20:20:200
107079910655253418,53041cyclictest0-21swapper22:36:090
107079910655153389,53097cyclictest0-21swapper21:50:060
107079910654553388,53090cyclictest0-21swapper20:25:120
107079910650653414,53092cyclictest0-21swapper22:01:190
107079910647853458,53020cyclictest0-21swapper00:33:230
107079910647053453,53017cyclictest0-21swapper21:13:560
107079910646553452,53013cyclictest0-21swapper23:36:270
107079910645053403,53047cyclictest0-21swapper23:22:530
107079910644853403,53045cyclictest0-21swapper00:07:360
107079910644553443,53002cyclictest0-21swapper21:46:350
107079910644253440,53002cyclictest0-21swapper21:43:440
107079910643953397,53042cyclictest0-21swapper21:16:060
107079910643753447,52990cyclictest0-21swapper20:47:180
107079910642453469,52880cyclictest0-21swapper23:32:160
107079910639753414,52983cyclictest0-21swapper00:35:440
107079910629253379,52823cyclictest9-21ksoftirqd/020:15:190
107079910626653372,52803cyclictest9-21ksoftirqd/020:08:570
107079910621953476,52743cyclictest0-21swapper19:54:030
107079910620953473,52736cyclictest0-21swapper19:45:400
107079910620253464,52738cyclictest0-21swapper19:55:430
107079910619353425,52768cyclictest0-21swapper19:27:250
107079910616053447,52713cyclictest0-21swapper22:41:510
107079910615953443,52716cyclictest0-21swapper21:07:340
1070799105306105284,21cyclictest0-21swapper23:48:100
107079910521653001,52213cyclictest0-21swapper21:23:180
10707995381553377,438cyclictest0-21swapper23:12:000
1070799536685,53663cyclictest0-21swapper19:31:060
10707995349129,53368cyclictest9-21ksoftirqd/000:03:050
10707995347724,53453cyclictest0-21swapper22:52:340
10707995331653257,45cyclictest14160-21ssh21:37:330
10707995330027,53181cyclictest0-21swapper21:01:220
10707995309329,0cyclictest5350irq/9-uhci_hcd:22:08:210
10707995302226,52904cyclictest0-21swapper00:24:510
1070799528538,52752cyclictest3950irq/9-acpi23:59:130
107079923711038,1180cyclictest1855-21automount22:34:190
107079923311044,1163cyclictest11616-21ssh22:20:450
107079923091069,1240cyclictest10701-21cyclictest23:28:240
107079923051052,1128cyclictest6480-21ssh22:14:230
107079922091031,1084cyclictest3950irq/9-acpi23:51:310
107079921481012,1043cyclictest15576-21kworker/0:320:31:340
10707992147999,1054cyclictest134850irq/9-eth022:49:530
107079921401066,947cyclictest10109-21ssh22:19:550
107079920961036,1025cyclictest0-21swapper23:09:390
107079920781027,1016cyclictest0-21swapper20:14:090
10707992053999,1019cyclictest0-21swapper19:43:500
107079920481013,1035cyclictest0-21swapper21:29:500
107079920471013,1034cyclictest0-21swapper23:04:580
107079919861007,941cyclictest4184-21ssh22:58:260
10707991960946,980cyclictest0-21swapper23:15:110
107079919181065,853cyclictest0-21swapper19:35:270
107079918741078,730cyclictest3950irq/9-acpi00:16:480
107079918231012,686cyclictest2277-21Xorg20:01:050
107079918221033,752cyclictest25628-21sh21:55:080
107079917721088,684cyclictest0-21swapper22:25:460
107079916381088,458cyclictest0-21swapper20:50:490
107079916151092,423cyclictest28259-21diskmemload00:29:420
107079916001082,427cyclictest0-21swapper20:59:220
10707991582837,720cyclictest10071-21sh21:31:010
107079914751102,373cyclictest0-21swapper19:23:540
107079914741098,376cyclictest0-21swapper20:36:050
10707991097618,475cyclictest16026-21hwlatdetect-tra19:19:330
10707991038589,446cyclictest3133-21hwlatdetect-tra19:11:510
2819921420,1sleep028195-21grep19:07:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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