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2026-06-03 - 04:14
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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 Wed Jun 03, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310459979553959,3953cyclictest16940-21kworker/0:019:14:160
310459964173523,2883cyclictest16940-21kworker/0:019:15:420
308892836185,202sleep00-21swapper19:09:200
310459948533,439cyclictest26865-21ssh21:54:020
310459948531,439cyclictest7751-21diskmemload22:37:120
310459948431,439cyclictest18210-21ssh00:04:500
310459947036,434cyclictest0-21swapper00:05:570
310459945936,361cyclictest12733-21kworker/u2:121:21:010
310459945176,361cyclictest5631-21ssh22:20:160
310459943464,89cyclictest13-21rcuc/022:28:170
310459943158,360cyclictest11-21ksoftirqd/022:16:440
31045994290,369cyclictest30254-21runrttasks00:32:480
310459942443,319cyclictest29476-21kworker/u2:322:07:530
310459942336,371cyclictest3101-21sh22:14:340
310459942033,373cyclictest1771-21chrt19:20:090
310459941737,366cyclictest2976-21ssh23:29:260
310459941631,316cyclictest31446-21ssh23:20:180
310459941539,316cyclictest12966-21kworker/u2:123:53:250
310459941234,363cyclictest18907-21ls20:10:500
310459941136,314cyclictest12035-21latency_hist21:20:070
310459941121,322cyclictest13447-21kworker/u2:022:42:030
310459941034,314cyclictest29858-21ssh23:15:460
310459940834,313cyclictest4894-21runrttasks23:56:100
310459940821,146cyclictest32239-21sh00:36:580
310459940741,295cyclictest17808-21seq22:47:050
310459940735,312cyclictest7751-21diskmemload22:04:370
310459940633,303cyclictest21367-21strings00:11:070
310459940531,374cyclictest0-21swapper19:45:090
310459940337,351cyclictest17932-21ssh21:32:130
310459940331,310cyclictest8406-21runrttasks19:42:560
310459940326,316cyclictest27868-21ls21:55:500
310459940233,309cyclictest11-21ksoftirqd/000:16:420
310459940233,300cyclictest7751-21diskmemload21:41:440
310459940037,303cyclictest7751-21diskmemload00:23:510
310459940022,317cyclictest20801-21df22:55:280
310459939920,141cyclictest21705-21munin-node20:20:120
310459939918,320cyclictest11824-21ls19:51:070
310459939844,340cyclictest5804-21seq23:35:310
310459939834,189cyclictest21606-21grep20:20:030
310459939737,299cyclictest18492-21munin-node22:51:170
310459939735,302cyclictest24425-21ssh23:03:020
310459939723,304cyclictest10029-21swap23:45:270
310459939621,305cyclictest29500-21chrt20:40:280
310459939335,298cyclictest5220-21ssh23:34:200
310459939237,295cyclictest4894-21runrttasks20:38:120
310459939232,299cyclictest29068-21ssh23:14:530
310459939231,186cyclictest19169-21sed21:35:430
310459939119,301cyclictest8515-21seq23:41:050
310459939114,363cyclictest4894-21runrttasks22:31:000
310459939033,294cyclictest16252-21ntp_states20:05:200
310459938932,296cyclictest3507-21chrt20:56:240
310459938919,299cyclictest31044-21ntp_states20:45:190
310459938834,340cyclictest25789-21ssh23:06:060
310459938834,340cyclictest16094-21ssh21:28:460
310459938734,292cyclictest27112-21cron20:35:000
310459938731,295cyclictest27402-21uname00:26:070
310459938720,297cyclictest39962sleep019:27:580
310459938445,168cyclictest24508-21ssh21:47:520
310459938431,353cyclictest0-21swapper19:58:250
310459937732,284cyclictest8405-21ssh21:10:460
310459937525,288cyclictest6268-21runrttasks19:35:310
310459937522,175cyclictest5384-21sort19:30:530
310459937425,289cyclictest5900-21latency_hist21:05:010
310459936826,281cyclictest7141-21proc_pri21:06:040
310459936514,291cyclictest24481-21smart_sda20:25:520
310459936422,159cyclictest411-21ls20:50:160
310459935031,304cyclictest15963-21seq20:04:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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