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2026-01-12 - 03:41
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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 Mon Jan 12, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118159910754453430,54017cyclictest2099-21runrttasks23:35:570
118159910712253483,53542cyclictest17159-21ssh22:51:540
118159910681653441,53375cyclictest0-21swapper22:08:510
118159910673153459,53208cyclictest9-21ksoftirqd/023:22:230
118159910672053416,53215cyclictest11806-21cyclictest23:04:480
118159910664053472,53072cyclictest2099-21runrttasks20:07:270
118159910653353443,53090cyclictest0-21swapper00:29:320
118159910650253473,53029cyclictest0-21swapper19:28:550
118159910648853405,53083cyclictest0-21swapper22:23:060
118159910648253468,53014cyclictest0-21swapper00:32:430
118159910646553455,53010cyclictest0-21swapper22:39:000
118159910646153448,53013cyclictest0-21swapper21:20:480
118159910645153465,52986cyclictest0-21swapper23:33:360
118159910644253388,52990cyclictest30334-21kworker/0:120:44:170
118159910642453391,53033cyclictest0-21swapper19:45:000
118159910638653470,52852cyclictest11806-21cyclictest19:58:540
118159910627053378,52829cyclictest3950irq/9-acpi21:37:320
118159910626153438,52823cyclictest0-21swapper19:38:580
118159910626153406,52855cyclictest0-21swapper21:33:410
118159910623653428,52808cyclictest0-21swapper20:19:100
118159910621753431,52786cyclictest0-21swapper19:49:310
118159910620853465,52743cyclictest0-21swapper23:57:330
118159910615953401,52758cyclictest0-21swapper19:23:140
118159910544252944,52496cyclictest15832-21ssh22:03:500
118159910503252976,52054cyclictest0-21swapper22:56:150
11815995380928,53682cyclictest28401-21ssh23:08:490
11815995330327,53208cyclictest0-21swapper19:54:330
11815995326531,0cyclictest11806-21cyclictest23:46:300
11815995302325,52998cyclictest0-21swapper22:18:240
11815995277827,52751cyclictest0-21swapper22:32:380
118159925571057,1372cyclictest10950-21ssh22:43:210
118159925291099,1303cyclictest3211-21gdm-simple-gree20:51:590
118159922511088,1068cyclictest134850irq/9-eth021:16:260
118159922501062,1064cyclictest24367-21ssh00:35:340
118159921491077,983cyclictest3950irq/9-acpi22:13:030
118159921321017,991cyclictest10716-21diskmemload22:26:060
118159920951004,1056cyclictest0-21swapper00:20:290
118159920881084,880cyclictest4829-21ssh00:08:060
118159920751089,860cyclictest8520-21diskmemload23:25:540
118159920711035,968cyclictest306122sleep023:11:090
118159920681073,869cyclictest2099-21runrttasks19:32:260
118159919901032,864cyclictest0-21swapper20:23:510
118159919841029,861cyclictest0-21swapper20:58:210
118159919751027,854cyclictest0-21swapper00:14:180
118159919651041,804cyclictest0-21swapper21:07:240
11815991936946,954cyclictest9356-21ssh21:54:470
118159919351012,826cyclictest10716-21diskmemload23:44:490
118159919271032,803cyclictest0-21swapper21:11:550
11815991924933,957cyclictest0-21swapper20:34:240
118159919031022,843cyclictest12188-21ssh00:19:090
118159918871016,833cyclictest32631-21ssh00:00:540
118159918751094,687cyclictest134850irq/9-eth021:58:180
118159918631047,721cyclictest0-21swapper23:54:020
118159917481095,653cyclictest0-21swapper21:48:160
118159916721085,587cyclictest0-21swapper20:10:070
118159916511082,478cyclictest9-21ksoftirqd/021:02:220
118159916041078,434cyclictest9-21ksoftirqd/020:29:430
118159915801076,440cyclictest11806-21cyclictest20:03:150
118159915581006,462cyclictest0-21swapper23:17:010
118159915561098,458cyclictest0-21swapper21:41:440
118159915311011,429cyclictest0-21swapper22:47:430
118159915221005,425cyclictest0-21swapper20:45:170
118159914791089,390cyclictest0-21swapper20:37:050
118159914391083,356cyclictest0-21swapper21:25:190
11815991160609,547cyclictest18203-21hwlatdetect-tra19:12:510
11815991093573,516cyclictest27036-21hwlatdetect-tra19:15:520
31681251752,208sleep00-21swapper19:05:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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