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2025-12-28 - 19:47
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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 Sun Dec 28, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320109910738753419,53872cyclictest16839-21diskmemload09:44:000
320109910687053451,53322cyclictest19020-21diskmemload09:12:210
320109910675553416,53246cyclictest0-21swapper10:08:370
320109910667853345,53319cyclictest0-21swapper10:19:300
320109910662653410,53151cyclictest6049-21kworker/0:210:36:250
320109910660353417,53186cyclictest0-21swapper10:59:520
320109910657253458,53114cyclictest0-21swapper12:32:390
320109910657253399,53082cyclictest0-21swapper11:06:540
320109910654753414,53041cyclictest0-21swapper10:33:440
320109910654353384,53095cyclictest9-21ksoftirqd/011:40:340
320109910650153468,53033cyclictest0-21swapper11:59:290
320109910649253452,53040cyclictest0-21swapper08:50:250
320109910648453419,53065cyclictest0-21swapper10:00:050
320109910647153454,53017cyclictest0-21swapper07:12:370
320109910646253449,53013cyclictest0-21swapper09:20:430
320109910645753451,53006cyclictest0-21swapper09:26:550
320109910645053403,53047cyclictest0-21swapper11:36:020
320109910644653445,53001cyclictest0-21swapper08:47:440
320109910644453401,53043cyclictest0-21swapper08:09:430
320109910642753431,52996cyclictest0-21swapper10:26:120
320109910642453436,52988cyclictest0-21swapper09:55:540
320109910642353462,52961cyclictest0-21swapper12:15:340
320109910630053465,52835cyclictest0-21swapper07:42:450
320109910626753390,52813cyclictest9-21ksoftirqd/012:22:360
320109910619253457,52735cyclictest0-21swapper08:41:520
320109910619253417,52775cyclictest0-21swapper12:37:300
320109910616753450,52717cyclictest0-21swapper07:34:030
320109910615153397,52754cyclictest0-21swapper11:45:050
320109910612653426,52700cyclictest0-21swapper08:33:000
320109910511353013,52098cyclictest0-21swapper11:15:370
32010995405553401,532cyclictest17600-21ssh10:45:280
32010995391329,183cyclictest0-21swapper09:38:080
32010995382753389,438cyclictest0-21swapper10:13:490
32010995370922,53594cyclictest9-21ksoftirqd/007:25:500
32010995362228,185cyclictest16839-21diskmemload11:54:080
32010995359453473,57cyclictest3950irq/9-acpi10:50:290
32010995359153441,150cyclictest0-21swapper08:21:560
32010995356527,0cyclictest0-21swapper10:40:470
32010995350953468,41cyclictest0-21swapper08:03:310
32010995338017,53350cyclictest0-21swapper09:49:220
32010995334426,53318cyclictest0-21swapper11:03:430
32010995322020,53200cyclictest0-21swapper07:51:280
32010995319227,0cyclictest0-21swapper07:22:490
320109922721099,1120cyclictest134850irq/9-eth009:32:170
320109922561031,1101cyclictest2099-21runrttasks08:12:440
320109921811090,965cyclictest1922-21sshd08:55:060
320109921501035,1049cyclictest9-21ksoftirqd/008:15:450
320109921491063,964cyclictest16839-21diskmemload12:28:270
320109921331055,980cyclictest9347-21diskmemload12:09:420
320109920961036,1026cyclictest0-21swapper08:27:380
320109920611038,989cyclictest0-21swapper10:20:310
320109920221032,952cyclictest16839-21diskmemload11:28:000
320109920151031,862cyclictest0-21swapper09:08:200
320109919821021,926cyclictest0-21swapper11:24:390
320109919291037,772cyclictest0-21swapper11:12:460
32010991918924,959cyclictest0-21swapper07:35:430
320109919131038,782cyclictest0-21swapper07:18:580
320109919001035,773cyclictest0-21swapper07:57:390
320109918931036,790cyclictest3950irq/9-acpi09:53:430
320109918271063,671cyclictest3950irq/9-acpi09:16:120
320109916921023,669cyclictest0-21swapper12:10:220
320109916341086,496cyclictest32009-21cyclictest08:38:010
320109916301094,444cyclictest0-21swapper07:45:460
32010991616796,817cyclictest0-21swapper12:04:210
320109915761033,450cyclictest9-21ksoftirqd/009:01:280
320109914901005,421cyclictest0-21swapper11:34:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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