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2026-03-09 - 20:53
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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 100 highest latencies:
System rackcslot6.osadl.org (updated Mon Mar 09, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3782097993841,2cyclictest0-21swapper/311:56:023
3782076993820,380cyclictest0-21swapper/007:21:020
378209799381380,1cyclictest3772952-21kworker/3:208:55:023
378209799381379,1cyclictest3772952-21kworker/3:211:50:023
378209799381379,1cyclictest3772952-21kworker/3:207:20:023
378208299381380,1cyclictest3942325-21kworker/1:212:16:021
378208299381380,1cyclictest3858130-21kworker/1:009:42:021
378208299381379,1cyclictest3806990-21kworker/1:109:01:011
378208299381379,1cyclictest3806990-21kworker/1:108:48:021
378208299381379,1cyclictest3806990-21kworker/1:108:14:021
3782076993810,380cyclictest0-21swapper/011:56:010
378209799380379,1cyclictest3772952-21kworker/3:209:30:023
378209799380378,1cyclictest3960337-21kworker/3:012:22:013
378209799380378,1cyclictest3772952-21kworker/3:211:41:023
378209799380378,1cyclictest3772952-21kworker/3:211:41:023
378209799380378,1cyclictest3772952-21kworker/3:211:21:013
378209799380378,1cyclictest3772952-21kworker/3:211:06:023
378209799380378,1cyclictest3772952-21kworker/3:208:36:023
378209799380378,1cyclictest3772952-21kworker/3:208:23:013
3782076993800,1cyclictest0-21swapper/011:47:010
3782076993800,1cyclictest0-21swapper/009:37:020
3782076993800,1cyclictest0-21swapper/007:53:020
3782076993800,1cyclictest0-21swapper/007:29:020
378209799379377,1cyclictest3772952-21kworker/3:211:31:023
378209799379377,1cyclictest3772952-21kworker/3:210:12:023
378209799379377,1cyclictest3772952-21kworker/3:210:12:013
378208299379378,1cyclictest3858130-21kworker/1:010:53:021
378208299379378,1cyclictest3858130-21kworker/1:009:52:021
378208299379378,1cyclictest3806990-21kworker/1:108:37:011
378207699379378,1cyclictest3869858-21kworker/0:212:39:010
378209799378377,1cyclictest3772952-21kworker/3:211:14:013
378209799378377,1cyclictest3772952-21kworker/3:210:34:013
378209799378377,1cyclictest3772952-21kworker/3:210:20:023
378209799378376,1cyclictest3772952-21kworker/3:211:38:023
378209799378376,1cyclictest3772952-21kworker/3:211:28:023
378209799378376,1cyclictest3772952-21kworker/3:210:47:023
378209799378376,1cyclictest3772952-21kworker/3:209:24:023
378209799378376,1cyclictest3772952-21kworker/3:209:14:023
378207699378377,1cyclictest0-21swapper/008:00:020
378209799377376,1cyclictest3772952-21kworker/3:211:02:013
378209799377376,1cyclictest3772952-21kworker/3:209:07:023
378209799377375,1cyclictest3960337-21kworker/3:012:27:013
378207699377376,1cyclictest3869858-21kworker/0:210:40:020
378207699377376,1cyclictest0-21swapper/012:15:020
378207699377375,1cyclictest0-21swapper/007:46:020
378207699377375,1cyclictest0-21swapper/007:19:020
378207699377375,1cyclictest0-21swapper/007:19:020
378209799376375,1cyclictest3772952-21kworker/3:209:43:023
378207699376375,1cyclictest3869858-21kworker/0:211:05:010
378207699376375,1cyclictest3869858-21kworker/0:210:17:020
378207699376375,1cyclictest0-21swapper/009:40:010
378207699376375,1cyclictest0-21swapper/008:50:020
378207699376374,1cyclictest3869858-21kworker/0:212:08:010
378207699376374,1cyclictest0-21swapper/011:40:020
378207699376374,1cyclictest0-21swapper/011:40:020
378207699376374,1cyclictest0-21swapper/008:22:020
378209799375374,1cyclictest3772952-21kworker/3:210:16:023
378207699375374,1cyclictest0-21swapper/012:26:010
378207699375374,1cyclictest0-21swapper/011:39:020
378207699375374,1cyclictest0-21swapper/011:29:010
378207699375374,1cyclictest0-21swapper/011:01:010
378207699375374,1cyclictest0-21swapper/009:58:020
378207699375374,1cyclictest0-21swapper/009:05:020
378207699375374,1cyclictest0-21swapper/008:46:020
378207699374373,1cyclictest439130-21kworker/0:107:42:010
378207699374373,1cyclictest439130-21kworker/0:107:14:020
378207699374373,1cyclictest439130-21kworker/0:107:14:020
378207699374373,1cyclictest3869858-21kworker/0:212:31:010
378207699374373,1cyclictest3869858-21kworker/0:211:11:020
378207699374373,1cyclictest3869858-21kworker/0:210:46:020
378207699374373,1cyclictest3869858-21kworker/0:210:36:020
378207699374373,1cyclictest0-21swapper/012:02:010
378207699374373,1cyclictest0-21swapper/009:54:020
378207699374373,1cyclictest0-21swapper/009:04:020
378207699374372,1cyclictest0-21swapper/008:59:020
378207699374372,1cyclictest0-21swapper/007:38:010
378207699373372,1cyclictest439130-21kworker/0:108:27:020
378207699373372,1cyclictest0-21swapper/012:11:010
378207699373372,1cyclictest0-21swapper/010:58:010
378207699373372,1cyclictest0-21swapper/009:17:020
378207699373372,1cyclictest0-21swapper/008:16:020
378207699372371,1cyclictest439130-21kworker/0:107:57:020
378207699372371,1cyclictest3869858-21kworker/0:211:52:010
378207699372371,1cyclictest0-21swapper/011:23:010
378207699372371,1cyclictest0-21swapper/008:31:020
378207699371370,1cyclictest0-21swapper/011:18:020
378212999365360,5cyclictest2795787-21kworker/7:107:56:027
378210499360358,1cyclictest0-21swapper/409:19:024
378210499359357,1cyclictest3800985-21kworker/4:209:45:024
378210499357355,1cyclictest0-21swapper/408:11:024
378210499356355,1cyclictest0-21swapper/408:25:024
378210499356354,1cyclictest0-21swapper/412:04:024
378210499356354,1cyclictest0-21swapper/408:49:024
378210499355354,1cyclictest0-21swapper/408:35:024
378210499355353,1cyclictest0-21swapper/409:11:024
378210499355353,1cyclictest0-21swapper/408:40:024
378210499355353,1cyclictest0-21swapper/408:40:024
378210499354353,1cyclictest0-21swapper/412:19:024
378210499354353,1cyclictest0-21swapper/410:35:024
378210499354352,1cyclictest0-21swapper/410:31:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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