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2025-11-26 - 12:59
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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 Wed Nov 26, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154479910683953479,53263cyclictest2103-21runrttasks23:55:540
154479910661853442,53176cyclictest0-21swapper22:48:250
154479910653853445,53093cyclictest0-21swapper23:06:000
154479910652953444,53085cyclictest0-21swapper20:19:320
154479910646153449,53012cyclictest0-21swapper20:42:590
154479910644053459,52917cyclictest9-21ksoftirqd/021:09:470
154479910639653472,52832cyclictest0-21swapper19:27:370
154479910628353396,52887cyclictest0-21swapper21:48:580
154479910626553391,52809cyclictest0-21swapper19:34:090
154479910624953474,52775cyclictest0-21swapper21:01:240
154479910620253464,52738cyclictest0-21swapper21:21:500
154479910618653415,52771cyclictest0-21swapper19:47:330
154479910617253405,52767cyclictest0-21swapper20:02:270
154479910616953435,52734cyclictest0-21swapper20:38:580
154479910616053402,52758cyclictest0-21swapper23:41:200
154479910614453435,52709cyclictest0-21swapper19:43:420
154479910594153005,52934cyclictest20056-21ssh00:08:480
154479910568052975,52702cyclictest10346-21ssh21:43:460
154479910509153005,52084cyclictest0-21swapper21:18:490
154479910508152983,52096cyclictest0-21swapper22:14:350
154479910504252934,52106cyclictest0-21swapper00:37:060
15447995415130,53996cyclictest32007-21ssh21:29:320
15447995383953418,329cyclictest0-21swapper22:27:190
15447995346226,53436cyclictest0-21swapper20:08:190
15447995344925,0cyclictest0-21swapper22:18:160
15447995295427,52861cyclictest0-21swapper20:10:090
154479925492540,7cyclictest1744-21hald19:39:310
154479924381067,1272cyclictest2103-21runrttasks20:28:150
154479924081049,1359cyclictest0-21swapper00:32:150
154479923621036,1202cyclictest28398-21sh22:51:360
154479922281076,1060cyclictest133750irq/9-eth023:32:380
154479921871007,1145cyclictest0-21swapper21:39:150
154479921181039,984cyclictest3950irq/9-acpi22:04:220
154479920931025,1027cyclictest11426-21ssh23:12:520
154479920841025,965cyclictest5350irq/9-uhci_hcd:22:20:570
154479920671025,1008cyclictest0-21swapper22:05:230
154479920541084,843cyclictest15636-21munin-node22:35:210
154479920421000,1022cyclictest0-21swapper00:24:330
154479920311060,872cyclictest2802-21gdm-simple-gree23:02:590
154479920131039,881cyclictest0-21swapper23:39:200
15447991998951,1033cyclictest0-21swapper21:57:300
154479919951037,864cyclictest0-21swapper22:41:430
154479919671020,926cyclictest0-21swapper23:21:040
154479919421039,809cyclictest0-21swapper20:24:230
154479918551065,669cyclictest0-21swapper23:52:230
154479917751095,591cyclictest3950irq/9-acpi00:19:010
154479917731088,618cyclictest105942sleep020:50:310
15447991762959,766cyclictest19583-21ssh21:11:370
15447991759964,759cyclictest16434-21ssh21:51:190
15447991701959,717cyclictest21680-21ssh23:26:260
154479916801094,586cyclictest0-21swapper21:32:330
154479916731015,564cyclictest9-21ksoftirqd/019:55:550
154479916661087,579cyclictest0-21swapper19:52:140
154479916371095,542cyclictest0-21swapper20:48:510
15447991632996,600cyclictest2425-21ssh00:29:040
154479916271026,513cyclictest3950irq/9-acpi00:15:000
154479916181082,470cyclictest3950irq/9-acpi23:16:430
154479916121000,547cyclictest0-21swapper20:33:360
154479916091094,451cyclictest15431-21cyclictest22:32:200
15447991593985,571cyclictest15105-21ssh00:01:160
154479915731076,433cyclictest9-21ksoftirqd/020:56:130
154479915481015,443cyclictest0-21swapper22:59:480
154479914161088,328cyclictest0-21swapper23:47:420
15447991169617,549cyclictest1995-21wc19:16:140
15447991106587,516cyclictest6516-21hwlatdetect-tra19:23:360
15447991053560,490cyclictest15696-21hwlatdetect-tra19:10:020
2719126812,14sleep027467-21grep19:06:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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