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2026-03-27 - 11:05
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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 Mar 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230629910707453396,53589cyclictest134850irq/9-eth000:04:490
230629910703253412,53528cyclictest0-21swapper00:07:500
230629910668053421,53193cyclictest0-21swapper20:31:480
230629910661553421,53131cyclictest9-21ksoftirqd/022:33:030
230629910656253425,53044cyclictest0-21swapper00:19:440
230629910654353417,53126cyclictest0-21swapper19:29:300
230629910649653466,53030cyclictest0-21swapper00:12:010
230629910648253463,53019cyclictest0-21swapper22:25:510
230629910647853462,53016cyclictest0-21swapper23:45:440
230629910646253468,52994cyclictest0-21swapper22:46:170
230629910645953394,53065cyclictest0-21swapper21:20:520
230629910645653405,53051cyclictest0-21swapper21:45:490
230629910645353390,53063cyclictest0-21swapper21:01:160
230629910644853462,52986cyclictest0-21swapper19:23:280
230629910644753446,53001cyclictest0-21swapper22:39:350
230629910644553401,53044cyclictest0-21swapper21:37:370
230629910644253445,52997cyclictest0-21swapper22:16:380
230629910643353451,52891cyclictest10-21rcuc/023:38:020
230629910643153393,53038cyclictest0-21swapper23:22:370
230629910643053433,52997cyclictest0-21swapper22:42:360
230629910640453423,52981cyclictest0-21swapper00:28:260
230629910632153417,52840cyclictest9-21ksoftirqd/021:09:590
230629910631553416,52807cyclictest9-21ksoftirqd/020:52:540
230629910625853415,52753cyclictest0-21swapper00:32:570
230629910625653385,52804cyclictest0-21swapper22:03:140
230629910622053473,52747cyclictest0-21swapper19:11:150
230629910620553468,52737cyclictest0-21swapper20:17:140
230629910618853477,52711cyclictest0-21swapper20:04:300
230629910618753417,52770cyclictest0-21swapper20:29:070
230629910617053448,52722cyclictest0-21swapper20:58:360
230629910617053395,52775cyclictest0-21swapper20:22:550
230629910616953407,52762cyclictest0-21swapper19:52:270
230629910616153450,52711cyclictest0-21swapper20:44:520
230629910615553440,52715cyclictest0-21swapper23:51:560
230629910612253424,52698cyclictest0-21swapper20:49:230
230629910604152949,53090cyclictest0-21swapper21:59:030
230629910568553052,52631cyclictest23406-21ssh21:31:250
230629910521452901,52307cyclictest3970-21ssh23:34:000
230629910511753000,52115cyclictest0-21swapper22:54:590
230629910504752957,52088cyclictest0-21swapper21:11:290
230629910503752939,52096cyclictest0-21swapper21:26:240
230629910498552912,52071cyclictest0-21swapper22:21:500
23062995380553418,296cyclictest0-21swapper22:08:460
23062995339627,53369cyclictest0-21swapper23:25:480
23062995338326,53357cyclictest0-21swapper23:05:420
23062995329426,53176cyclictest0-21swapper22:12:270
23062995318626,53160cyclictest0-21swapper19:49:560
23062995301326,0cyclictest0-21swapper00:37:090
230629925981093,1406cyclictest7944-21diskmemload23:19:260
230629925271060,1339cyclictest20424-21ssh23:57:270
230629924521067,1292cyclictest4331-1kworker/0:1H20:07:410
230629922691061,1080cyclictest6193-21ssh00:24:450
230629920171052,870cyclictest134850irq/9-eth023:04:220
230629920131032,861cyclictest0-21swapper21:50:310
230629919971025,851cyclictest0-21swapper19:17:060
230629919791027,859cyclictest0-21swapper20:39:100
23062991946938,974cyclictest0-21swapper20:10:020
230629919111041,777cyclictest0-21swapper21:19:010
230629919091039,778cyclictest0-21swapper19:34:010
230629919061037,775cyclictest0-21swapper23:12:040
230629917241054,604cyclictest3950irq/9-acpi21:41:280
230629916991074,625cyclictest0-21swapper19:37:020
23062991537939,578cyclictest1190449kworker/u2:022:59:510
230629915341037,477cyclictest134850irq/9-eth023:40:520
230629915081029,413cyclictest9-21ksoftirqd/019:40:530
230629914851003,417cyclictest0-21swapper19:58:480
223932782376,241sleep00-21swapper19:06:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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