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2025-06-16 - 15:42
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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 Mon Jun 16, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24039910709153448,53553cyclictest9-21ksoftirqd/009:47:020
24039910669453402,53195cyclictest32407-21ssh09:26:460
24039910665553439,53216cyclictest0-21swapper10:03:470
24039910665553396,53259cyclictest0-21swapper07:59:010
24039910658853388,53109cyclictest9-21ksoftirqd/012:20:060
24039910657553470,53105cyclictest0-21swapper12:11:430
24039910653753399,53138cyclictest0-21swapper07:48:380
24039910648353460,53023cyclictest0-21swapper11:09:250
24039910648053459,53021cyclictest0-21swapper08:20:470
24039910647553402,53073cyclictest0-21swapper07:40:350
24039910645253447,53005cyclictest0-21swapper08:41:530
24039910645153448,53003cyclictest0-21swapper11:58:500
24039910643453437,52997cyclictest0-21swapper09:56:040
24039910639253437,52892cyclictest2402-21cyclictest11:48:270
24039910637253400,52907cyclictest0-21swapper08:39:120
24039910627153383,52825cyclictest3950irq/9-acpi12:17:250
24039910621353474,52739cyclictest0-21swapper12:25:070
24039910620453467,52737cyclictest0-21swapper08:13:450
24039910620153466,52735cyclictest0-21swapper09:11:110
24039910619653466,52730cyclictest0-21swapper07:13:270
24039910618953455,52734cyclictest0-21swapper07:26:210
24039910617553068,53105cyclictest0-21swapper10:13:190
24039910614353435,52708cyclictest0-21swapper07:19:090
24039910612253424,52698cyclictest0-21swapper09:04:190
24039910603553337,52664cyclictest21360-21ssh10:42:180
24039910577253302,52467cyclictest0-21swapper10:06:270
24039910545753016,52438cyclictest19735-21diskmemload12:38:410
24039910502152897,52122cyclictest0-21swapper11:10:360
24039910501152945,52064cyclictest0-21swapper09:15:430
24039910499552940,52050cyclictest0-21swapper10:38:060
2403995388153416,465cyclictest0-21swapper11:34:330
2403995386725,53744cyclictest12222-21rm10:30:140
2403995386653428,438cyclictest0-21swapper09:53:130
2403995384353384,459cyclictest0-21swapper10:20:310
2403995380853465,343cyclictest0-21swapper11:19:380
2403995375832,53627cyclictest3386-21ssh09:31:070
2403995362824,53511cyclictest133750irq/9-eth009:40:200
2403995349353468,25cyclictest0-21swapper08:56:370
2403995345126,0cyclictest0-21swapper08:26:490
2403995340027,233cyclictest0-21swapper10:47:190
2403995336914,53263cyclictest0-21swapper11:38:540
2403995331625,53197cyclictest0-21swapper07:23:500
2403995329915,556cyclictest0-21swapper07:33:430
2403995313253098,25cyclictest3950irq/9-acpi10:55:310
2403995300025,52975cyclictest0-21swapper08:01:010
2403995298515,52970cyclictest0-21swapper09:05:100
24039922731006,1142cyclictest731-21ssh11:44:560
24039922471069,1177cyclictest2103-21runrttasks12:31:190
24039921451056,966cyclictest19735-21diskmemload09:36:080
2403992023996,993cyclictest0-21swapper10:16:300
24039920181034,863cyclictest0-21swapper08:06:030
24039920131043,947cyclictest25622-21kworker/0:112:03:110
24039919611028,842cyclictest3950irq/9-acpi09:24:250
2403991947950,976cyclictest0-21swapper07:50:380
24039919231031,872cyclictest3950irq/9-acpi11:51:580
24039918711078,793cyclictest0-21swapper08:18:160
24039916671036,506cyclictest22027-21ssh11:29:010
24039916261049,483cyclictest3950irq/9-acpi10:29:040
24039916211059,495cyclictest46202sleep008:31:400
24039916171092,433cyclictest0-21swapper10:53:210
24039916151037,578cyclictest0-21swapper08:48:350
24039915661089,364cyclictest0-21swapper07:35:440
2403991497734,759cyclictest0-21swapper11:01:130
24039914971041,456cyclictest0-21swapper12:07:420
2403991493720,769cyclictest0-21swapper11:24:100
24039914511088,363cyclictest0-21swapper08:54:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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