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2026-04-06 - 14:18
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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 Apr 06, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2604199210877105402,105473cyclictest0-21swapper09:57:410
260419910714653488,53560cyclictest15801-21ssh09:15:290
260419910708953396,53573cyclictest7632-21ssh09:51:190
260419910687853427,53451cyclictest0-21swapper10:52:070
260419910680753388,53419cyclictest1907-21snmpd08:37:380
260419910676753380,53324cyclictest3950irq/9-acpi10:47:050
260419910671253473,53239cyclictest0-21swapper11:26:260
260419910669353470,53133cyclictest9-21ksoftirqd/011:05:300
260419910662453427,53197cyclictest0-21swapper11:30:180
260419910653653476,53060cyclictest0-21swapper08:41:490
260419910652553466,53059cyclictest0-21swapper08:06:090
260419910652353476,53047cyclictest0-21swapper12:09:490
260419910650753477,53030cyclictest0-21swapper11:51:140
260419910650653471,53035cyclictest0-21swapper07:55:060
260419910650053427,53073cyclictest0-21swapper07:34:400
260419910649853396,53102cyclictest0-21swapper07:54:050
260419910643053475,52955cyclictest0-21swapper07:22:160
260419910642153472,52949cyclictest0-21swapper08:57:340
260419910641053424,52986cyclictest0-21swapper10:36:520
260419910638253490,52827cyclictest134850irq/9-eth012:32:250
260419910636953445,52924cyclictest0-21swapper08:28:250
260419910629653388,52817cyclictest0-21swapper08:31:060
260419910622753481,52746cyclictest0-21swapper09:03:150
260419910622653464,52762cyclictest0-21swapper07:49:440
260419910620553458,52747cyclictest0-21swapper10:01:020
260419910618653442,52709cyclictest0-21swapper10:28:300
260419910584652961,52882cyclictest2099-21runrttasks12:38:570
260419910581653300,52503cyclictest0-21swapper11:16:540
260419910516053047,52108cyclictest0-21swapper09:44:370
260419910507152976,52092cyclictest15579-21ssh11:39:100
260419910504852955,52091cyclictest0-21swapper11:04:000
26041995338825,53363cyclictest0-21swapper11:12:320
26041995332426,383cyclictest0-21swapper09:25:320
26041995329625,53205cyclictest0-21swapper10:32:210
26041995327224,53248cyclictest0-21swapper12:25:440
26041995322127,438cyclictest0-21swapper07:43:220
26041995321325,0cyclictest0-21swapper08:12:310
26041995277425,52749cyclictest0-21swapper08:24:040
260419925641077,1363cyclictest0-21swapper12:15:210
260419924261094,1234cyclictest11042-21diskmemload10:21:180
260419922731103,1044cyclictest20248-21ssh09:22:510
260419922521073,1080cyclictest27716-21rm11:55:550
260419922361069,1041cyclictest27979-21runrttasks07:14:540
260419921111090,897cyclictest13783-21ssh09:13:280
260419920731022,1013cyclictest13266-21ssh12:22:430
26041992036987,1014cyclictest0-21swapper10:12:050
26041992024988,1002cyclictest0-21swapper10:09:240
260419919731017,922cyclictest0-21swapper11:47:330
260419919581077,816cyclictest9-21ksoftirqd/012:10:590
260419918941016,754cyclictest2272-21munin-node07:26:070
260419918471092,660cyclictest0-21swapper12:02:470
26041991792981,774cyclictest29941-21ssh09:36:450
260419917541038,716cyclictest0-21swapper10:17:160
260419916851021,664cyclictest0-21swapper09:45:070
26041991684926,721cyclictest26081-21ssh09:30:430
260419916741017,592cyclictest9-21ksoftirqd/008:17:520
260419916561089,567cyclictest0-21swapper11:20:350
260419916161007,545cyclictest9-21ksoftirqd/007:39:010
260419916021027,483cyclictest0-21swapper09:07:060
260419916011026,482cyclictest0-21swapper08:53:520
26041991591761,827cyclictest0-21swapper10:43:540
260419915721048,524cyclictest0-21swapper08:01:070
26041991555891,639cyclictest17781-21ssh11:41:310
260419914921008,420cyclictest0-21swapper07:17:250
260419914471028,384cyclictest0-21swapper10:58:480
260419913681006,362cyclictest0-21swapper08:48:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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