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2026-06-25 - 05:08
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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 Thu Jun 25, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7259910703453409,53534cyclictest0-21swapper22:14:360
7259910685853446,53321cyclictest9-21ksoftirqd/023:01:290
7259910685353386,53372cyclictest3261-21gnome-power-man21:50:190
7259910684953482,53269cyclictest1922-21sshd21:23:410
7259910669053408,53219cyclictest3950irq/9-acpi19:49:240
7259910667053384,53221cyclictest0-21swapper21:12:480
7259910664253468,53109cyclictest0-21swapper20:04:580
7259910663753421,53198cyclictest2099-21runrttasks22:43:440
7259910662453423,53201cyclictest0-21swapper20:13:410
7259910657653393,53091cyclictest0-21swapper21:05:560
7259910656253467,53095cyclictest0-21swapper00:18:520
7259910653553433,53102cyclictest0-21swapper22:29:000
7259910648453465,53019cyclictest0-21swapper23:25:460
7259910648253474,53008cyclictest0-21swapper22:20:070
7259910647053454,53016cyclictest0-21swapper22:31:110
7259910646353477,52986cyclictest0-21swapper00:36:270
7259910643753441,52996cyclictest0-21swapper19:35:200
7259910640353462,52851cyclictest9-21ksoftirqd/019:55:060
7259910628553406,52765cyclictest0-21swapper22:01:020
7259910627453403,52759cyclictest0-21swapper20:53:320
7259910624253400,52756cyclictest0-21swapper20:15:010
7259910619453464,52730cyclictest0-21swapper21:56:510
7259910617353405,52768cyclictest0-21swapper20:57:340
7259910616353450,52713cyclictest0-21swapper19:31:390
7259910526253064,52195cyclictest12010-21ssh21:27:520
7259910512953052,52075cyclictest0-21swapper19:27:580
7259910502152902,52117cyclictest0-21swapper22:50:560
725995363530,0cyclictest11434-21ssh23:47:230
725995362432,53498cyclictest0-21swapper21:19:400
725995324224,53127cyclictest9-21ksoftirqd/000:05:280
725995313925,53114cyclictest0-21swapper20:21:530
725995304925,53024cyclictest0-21swapper22:48:460
725995279928,52771cyclictest0-21swapper22:56:180
725995277727,52750cyclictest0-21swapper20:36:070
725995277226,52746cyclictest0-21swapper20:44:500
7259925441098,1347cyclictest17157-21ssh23:09:320
7259925101082,1303cyclictest7297-21ssh22:07:440
7259923771067,1215cyclictest134850irq/9-eth021:36:350
7259923721077,1229cyclictest3950irq/9-acpi23:53:540
7259920881026,1011cyclictest3950irq/9-acpi21:45:270
7259920511017,942cyclictest3950irq/9-acpi22:36:520
7259920271073,853cyclictest2099-21runrttasks19:52:150
7259920171054,838cyclictest21414-21ssh21:40:460
7259919891034,862cyclictest0-21swapper20:30:360
7259919411039,809cyclictest0-21swapper21:00:040
7259919271032,803cyclictest0-21swapper22:17:170
7259919161040,783cyclictest0-21swapper19:43:020
725991912958,937cyclictest16025-21ssh21:34:040
725991894919,940cyclictest26678-21munin-node00:10:190
725991894913,967cyclictest0-21swapper00:01:060
7259918751030,753cyclictest134850irq/9-eth023:37:100
725991802982,783cyclictest18153-21ssh23:56:550
7259918021016,751cyclictest18969-21kworker/u2:123:13:430
7259917281025,667cyclictest0-21swapper23:32:580
7259916711091,580cyclictest0-21swapper23:17:240
7259916691093,481cyclictest2272-21munin-node20:08:390
7259916291030,599cyclictest0-21swapper00:23:530
7259916261005,553cyclictest0-21swapper00:32:050
7259916211067,554cyclictest0-21swapper20:49:410
7259916121085,435cyclictest9-21ksoftirqd/023:21:050
7259915841049,535cyclictest0-21swapper20:27:150
725991549728,818cyclictest0-21swapper00:25:230
7259915351052,483cyclictest0-21swapper23:40:510
7259914911100,391cyclictest0-21swapper19:21:160
725991169618,547cyclictest14424-21hwlatdetect-tra19:16:440
725991131599,528cyclictest27507-21hwlatdetect-tra19:14:140
13955264586,212sleep00-21swapper19:05:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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