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2026-07-08 - 21:33
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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, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Wed Jul 08, 2026 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316009988594580,4274cyclictest32417-21kworker/0:007:20:410
316009980084209,3748cyclictest32417-21kworker/0:007:19:070
316009977814091,3647cyclictest32417-21kworker/0:007:14:090
316009968373679,3144cyclictest32417-21kworker/0:007:29:380
316009940072325,1668cyclictest32417-21kworker/0:007:33:250
314722807186,204sleep00-21swapper07:09:350
316009949336,457cyclictest0-21swapper09:51:490
316009948834,440cyclictest4924-21runrttasks08:31:440
316009948748,245cyclictest6575-21munin-node12:35:290
316009947748,256cyclictest12196-21diskmemload12:03:180
316009947533,429cyclictest351950irq/10-yenta11:15:380
316009947128,383cyclictest4924-21runrttasks11:48:290
31600994702,468cyclictest0-21swapper10:07:050
316009946938,371cyclictest0-21swapper07:43:240
316009945278,360cyclictest27916-21munin-node09:45:340
316009944915,373cyclictest13397-21munin-node10:26:110
31600994491,434cyclictest0-21swapper08:59:450
316009944512,372cyclictest4305-21snmpd09:24:110
316009944415,359cyclictest11202-21perl11:31:270
316009944368,362cyclictest13-21rcuc/009:56:360
31600994396,373cyclictest4924-21runrttasks09:00:110
31600994367,360cyclictest4305-21snmpd08:53:360
31600994363,372cyclictest10499-21ssh10:17:290
316009943549,202cyclictest13183-21ssh09:11:030
31600994354,431cyclictest0-21swapper07:45:210
31600994351,373cyclictest16182-21ssh11:43:150
316009943269,304cyclictest30174-21sed12:15:230
316009943071,177cyclictest19387-21ssh10:37:260
316009943050,366cyclictest2269-21ntp_states10:00:230
316009942858,356cyclictest0-21swapper11:07:340
316009942656,187cyclictest0-21swapper10:32:460
316009942148,359cyclictest16552-21ssh09:19:390
316009941756,347cyclictest27198-21ssh09:42:120
31600994169,234cyclictest351950irq/10-yenta11:51:070
316009941656,177cyclictest28753-21ssh10:59:420
316009941439,361cyclictest259642sleep008:19:530
316009941152,299cyclictest2844-21ssh11:13:550
316009941037,373cyclictest0-21swapper09:29:400
316009940632,360cyclictest4167-21sshd11:57:140
316009940422,369cyclictest26719-21fschecks_time12:06:230
316009940252,350cyclictest0-21swapper08:22:130
316009939837,361cyclictest0-21swapper12:12:380
316009939817,368cyclictest4355-21munin-node12:31:070
316009939732,351cyclictest7115-21chrt10:10:360
316009939636,360cyclictest0-21swapper11:03:120
316009939434,346cyclictest297612sleep008:30:030
316009939432,348cyclictest13942-21chrt11:38:150
316009939431,349cyclictest11524-21grep10:20:320
316009939347,346cyclictest0-21swapper08:13:300
316009938634,339cyclictest4924-21runrttasks08:38:160
316009938535,336cyclictest4305-21snmpd08:43:100
316009938429,355cyclictest0-21swapper09:09:230
316009938214,368cyclictest0-21swapper09:33:530
316009938135,346cyclictest0-21swapper12:29:050
316009937532,343cyclictest12196-21diskmemload09:37:220
31600993743,371cyclictest0-21swapper07:52:370
316009937313,240cyclictest12196-21diskmemload10:48:470
316009937232,280cyclictest1578-21ssh12:23:310
316009936514,351cyclictest0-21swapper07:36:520
316009936332,271cyclictest7307-21ssh11:23:240
31600993610,361cyclictest0-21swapper07:57:100
316009934888,246cyclictest18532-21munin-node08:00:280
316009934850,298cyclictest0-21swapper11:27:270
316009934673,260cyclictest4285-21lldpd08:05:560
316009934572,260cyclictest4285-21lldpd08:47:140
316009934178,250cyclictest11-21ksoftirqd/010:42:120
316009933481,249cyclictest26452-21ssh10:54:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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