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2026-05-30 - 10:18
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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, lowest P state: performance
Characteristics of all highest latencies:
System rack6slot5.osadl.org (updated Sat May 30, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70759986254613,4001cyclictest22692-21kworker/0:019:21:300
70759983324127,4146cyclictest22692-21kworker/0:019:14:070
70759976734087,3535cyclictest22692-21kworker/0:019:19:560
69052816184,175sleep00-21swapper19:09:130
70759948633,439cyclictest30147-21ssh21:34:560
70759948633,439cyclictest12779-21ssh22:08:250
70759948633,439cyclictest11301-21ssh00:34:080
70759948533,439cyclictest24074-21ssh23:49:020
70759948432,438cyclictest4894-21runrttasks22:19:140
70759946933,365cyclictest4458-21ssh21:50:060
70759946631,435cyclictest0-21swapper19:32:450
70759944054,325cyclictest31826-21ssh22:51:290
7075994273,363cyclictest27832-21runrttasks21:29:100
70759942359,350cyclictest4253-21lldpd00:21:550
70759942134,364cyclictest18683-19udisks-probe-at22:21:230
70759941735,368cyclictest1069-21cron20:20:000
70759941735,367cyclictest32607-21sshd21:40:220
70759941733,204cyclictest28880-21strings20:05:420
70759941351,348cyclictest345450irq/10-yenta21:35:220
70759941156,341cyclictest19731-21diskmemload23:34:430
70759941155,342cyclictest19731-21diskmemload23:35:220
70759940838,356cyclictest21697-21ssh23:42:590
70759940691,255cyclictest25771-21ssh22:38:150
70759940654,338cyclictest345450irq/10-yenta23:16:130
70759940653,161cyclictest3037-21ssh00:15:290
70759940536,310cyclictest0-21swapper20:03:490
70759940533,358cyclictest20436-21ssh21:10:430
70759940456,288cyclictest19731-21diskmemload23:06:350
70759940455,288cyclictest13355-21sed22:10:220
70759940343,301cyclictest0-21swapper21:48:500
70759940332,357cyclictest21647-21ssh22:29:220
70759940331,359cyclictest8524-21ssh21:58:590
70759940233,356cyclictest23019-21ssh21:16:440
70759940132,353cyclictest14308-21hddtemp_smartct19:25:530
70759940132,308cyclictest4072-21syslogd21:10:010
70759940129,88cyclictest13-21rcuc/023:50:390
70759940029,358cyclictest4894-21runrttasks20:23:220
70759939954,285cyclictest31807-21rm00:06:060
70759939890,249cyclictest25692-21ssh21:24:200
70759939854,284cyclictest19731-21diskmemload00:29:370
70759939832,195cyclictest24172-21runrttasks19:54:140
70759939743,341cyclictest11-21ksoftirqd/000:38:560
70759939654,281cyclictest19731-21diskmemload23:01:100
70759939534,300cyclictest11514-21seq20:45:520
70759939520,361cyclictest19731-21diskmemload23:13:230
70759939355,278cyclictest19731-21diskmemload22:04:090
70759939334,359cyclictest0-21swapper19:49:590
70759939332,347cyclictest23700-21ssh22:33:450
70759939151,340cyclictest0-21swapper20:13:430
70759939134,296cyclictest5741-21nfs_client20:30:370
70759939132,359cyclictest0-21swapper19:56:140
70759939130,298cyclictest4029-21sed20:25:470
70759939032,358cyclictest0-21swapper19:44:060
70759938953,277cyclictest19731-21diskmemload22:46:180
70759938935,354cyclictest0-21swapper20:38:320
70759938733,340cyclictest29101-21ssh00:00:340
70759938733,340cyclictest27966-21ssh23:56:460
70759938733,340cyclictest15127-21ssh23:27:450
70759938732,294cyclictest13508-21sed23:25:060
70759938634,114cyclictest13483-19udisks-part-id20:50:580
70759938631,295cyclictest16658-21awk21:00:300
70759938631,294cyclictest2333-21sshd00:13:240
70759938433,338cyclictest27825-21ssh22:42:290
70759938132,167cyclictest10217-21runrttasks20:42:430
70759937934,284cyclictest1867-21ssh22:57:220
70759937020,350cyclictest0-21swapper20:57:470
70759933866,259cyclictest4253-21lldpd19:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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