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2026-08-06 - 16:35
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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 Thu Aug 06, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302409910700553410,53473cyclictest26170-21munin-node11:00:150
302409910684553421,53301cyclictest20723-21ssh11:39:160
302409910679453454,53340cyclictest0-21swapper07:53:510
302409910663653461,53111cyclictest9-21ksoftirqd/009:25:580
302409910659453449,53145cyclictest0-21swapper11:54:210
302409910658953473,53116cyclictest0-21swapper07:20:320
302409910657953453,53034cyclictest0-21swapper09:02:010
302409910656553385,53116cyclictest3950irq/9-acpi12:15:070
302409910655753464,53029cyclictest134850irq/9-eth010:00:080
302409910650353476,53027cyclictest0-21swapper11:29:230
302409910649153464,53027cyclictest0-21swapper09:50:350
302409910646953477,52903cyclictest30229-21cyclictest10:25:050
302409910645853406,53052cyclictest0-21swapper08:15:380
302409910645253447,53005cyclictest0-21swapper11:45:280
302409910644753438,53009cyclictest0-21swapper08:34:430
302409910644153398,53043cyclictest0-21swapper10:39:590
302409910634553471,52874cyclictest0-21swapper08:12:170
302409910633253433,52808cyclictest0-21swapper07:16:210
302409910629453421,52784cyclictest0-21swapper08:44:160
302409910629053422,52868cyclictest0-21swapper07:48:200
302409910627153425,52754cyclictest0-21swapper08:36:140
302409910624753485,52762cyclictest0-21swapper11:06:570
302409910621953432,52787cyclictest0-21swapper08:23:500
302409910617753452,52725cyclictest0-21swapper08:02:440
302409910614753438,52709cyclictest0-21swapper07:13:400
302409910613653431,52705cyclictest0-21swapper09:41:220
302409910540252945,52455cyclictest17311-21ssh09:11:540
302409910507752985,52090cyclictest0-21swapper10:13:010
302409910502752897,52128cyclictest0-21swapper10:06:500
30240995362325,0cyclictest0-21swapper08:26:110
30240995344727,0cyclictest0-21swapper10:42:100
30240995330527,53211cyclictest0-21swapper08:57:100
30240995322529,0cyclictest9-21ksoftirqd/009:30:490
30240995305425,53029cyclictest0-21swapper07:32:250
2970223447634071,210sleep027448-21kworker/0:207:07:280
302409944982678,1817cyclictest1741-21hald08:53:390
302409925201059,1335cyclictest14784-21automount09:07:020
302409925081090,1324cyclictest9-21ksoftirqd/010:52:030
30240992299998,1209cyclictest14732-21kworker/u2:010:49:220
302409922381013,1206cyclictest2272-21munin-node07:39:570
302409921341052,1016cyclictest3950irq/9-acpi12:32:220
302409921241065,967cyclictest3950irq/9-acpi10:59:450
302409921151028,992cyclictest3950irq/9-acpi11:14:290
302409920941020,1034cyclictest22921-21ssh11:41:370
302409920471082,898cyclictest134850irq/9-eth009:56:370
302409919931068,831cyclictest134850irq/9-eth009:23:370
302409919871037,829cyclictest0-21swapper09:18:560
30240991972925,1013cyclictest4758-21kworker/0:308:48:270
30240991944946,961cyclictest1907-21snmpd10:19:230
30240991930934,957cyclictest2712-21ssh09:38:110
30240991924948,961cyclictest0-21swapper12:37:030
302409918961049,753cyclictest134850irq/9-eth007:27:540
302409917581022,644cyclictest30229-21cyclictest10:21:140
302409917321035,602cyclictest0-21swapper11:16:100
30240991718961,740cyclictest8909-21ssh10:34:580
302409916991094,482cyclictest2099-21runrttasks12:08:350
302409916471027,552cyclictest134850irq/9-eth012:27:400
302409916461096,458cyclictest0-21swapper11:56:310
302409916341089,452cyclictest31898-21kworker/0:108:09:160
302409916131093,454cyclictest0-21swapper12:14:160
302409914761001,411cyclictest0-21swapper12:03:330
302409914661058,408cyclictest0-21swapper07:57:320
302409914551092,363cyclictest0-21swapper11:32:140
302409914521090,362cyclictest0-21swapper11:22:520
302409914241080,344cyclictest0-21swapper12:21:280
302409914221074,348cyclictest0-21swapper07:41:080
302409913621050,312cyclictest0-21swapper09:49:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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