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2025-11-27 - 21:08
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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 rack6slot0.osadl.org (updated Thu Nov 27, 2025 13:02:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1851799239203,28cyclictest0-21swapper/1110:55:193
1851799239203,28cyclictest0-21swapper/1110:55:193
1851799239203,28cyclictest0-21swapper/1110:55:193
185629923598,113cyclictest0-21swapper/3911:40:1833
185629923598,113cyclictest0-21swapper/3911:40:1833
185629923598,113cyclictest0-21swapper/3911:40:1833
1851799232197,14cyclictest0-21swapper/1109:55:183
1851799232197,14cyclictest0-21swapper/1109:55:183
1851799232197,14cyclictest0-21swapper/1109:55:183
18506992203,81cyclictest34119-21TaskSchedulerSi08:00:1738
18506992203,81cyclictest34119-21TaskSchedulerSi08:00:1638
1851799217182,16cyclictest0-21swapper/1111:00:193
1851799217182,16cyclictest0-21swapper/1111:00:193
1851799217182,16cyclictest0-21swapper/1111:00:193
1851799215183,6cyclictest1081rcuc/1110:50:183
1851799215183,6cyclictest1081rcuc/1110:50:183
1851799214191,6cyclictest30122-21TaskSchedulerSi09:00:183
1851799214191,6cyclictest30122-21TaskSchedulerSi09:00:183
1851799213174,19cyclictest15979-21CPU3
1851799213174,19cyclictest15979-21CPU3
1851799213174,19cyclictest15979-21CPU3
1854899207189,9cyclictest0-21swapper/3309:27:1727
1854899207189,9cyclictest0-21swapper/3309:27:1727
1854499205118,70cyclictest4630-21CPU22
1854499205118,70cyclictest4630-21CPU22
18539992033,87cyclictest0-21swapper/2810:35:1821
18539992033,87cyclictest0-21swapper/2810:35:1821
18539992033,87cyclictest0-21swapper/2810:35:1821
1851799203180,3cyclictest0-21swapper/1112:35:183
1851799203180,3cyclictest0-21swapper/1112:35:183
1851799203180,3cyclictest0-21swapper/1112:35:183
18539991991,6cyclictest0-21swapper/2808:15:1821
18539991991,6cyclictest0-21swapper/2808:15:1821
185399919915,180cyclictest2735-21inotify_reader12:35:1821
185399919915,180cyclictest2735-21inotify_reader12:35:1821
185399919915,180cyclictest2735-21inotify_reader12:35:1821
34172991980,1rtkit-daemon0-21swapper/3810:31:5332
34172991980,1rtkit-daemon0-21swapper/3810:31:5232
1849199196156,38cyclictest0-21swapper/309:38:3223
1849199196156,38cyclictest0-21swapper/309:38:3223
1849199196156,38cyclictest0-21swapper/309:38:3223
1852899195180,4cyclictest1811rcuc/2007:10:1913
1852899195180,4cyclictest1811rcuc/2007:10:1913
1851999195174,8cyclictest0-21swapper/1311:36:285
1851999195174,8cyclictest0-21swapper/1311:36:285
1851999195174,8cyclictest0-21swapper/1311:36:285
1851799195178,10cyclictest0-21swapper/1111:55:283
1851799195178,10cyclictest0-21swapper/1111:55:283
1851799195178,10cyclictest0-21swapper/1111:55:283
1851799195176,11cyclictest0-21swapper/1111:50:013
1851799195176,11cyclictest0-21swapper/1111:50:013
184919919567,103cyclictest0-21swapper/309:40:1823
184919919567,103cyclictest0-21swapper/309:40:1823
184919919567,103cyclictest0-21swapper/309:40:1823
1848999194182,9cyclictest0-21swapper/110:05:341
1848999194182,9cyclictest0-21swapper/110:05:341
1848999194182,9cyclictest0-21swapper/110:05:341
1856299193146,33cyclictest27215-21TaskSchedulerSi08:20:1633
1856299193146,33cyclictest27215-21TaskSchedulerSi08:20:1633
1855699193146,44cyclictest4912-21CPU30
1855699193146,44cyclictest4912-21CPU30
1854899193172,10cyclictest0-21swapper/3311:36:2827
1854899193172,10cyclictest0-21swapper/3311:36:2827
1854899193172,10cyclictest0-21swapper/3311:36:2827
1853699193172,14cyclictest0-21swapper/2709:54:3820
1853699193172,14cyclictest0-21swapper/2709:54:3820
18534991931,148cyclictest0-21swapper/2607:15:1919
18534991931,148cyclictest0-21swapper/2607:15:1919
1851799193175,11cyclictest0-21swapper/1109:20:103
1851799193175,11cyclictest0-21swapper/1109:20:103
1851799193175,11cyclictest0-21swapper/1109:20:103
18506991930,2cyclictest0-21swapper/807:55:1738
18506991930,2cyclictest0-21swapper/807:55:1738
1848999193183,7cyclictest0-21swapper/111:59:111
1848999193183,7cyclictest0-21swapper/111:59:111
1848999193183,7cyclictest0-21swapper/111:59:111
1851799192166,16cyclictest0-21swapper/1110:05:053
1851799192166,16cyclictest0-21swapper/1110:05:053
1851799192157,20cyclictest0-21swapper/1109:14:133
1851799192157,20cyclictest0-21swapper/1109:14:133
1851799192156,27cyclictest0-21swapper/1110:38:533
1851799192156,27cyclictest0-21swapper/1110:38:533
1851799192156,27cyclictest0-21swapper/1110:38:533
185259919119,153cyclictest0-21swapper/1808:10:1710
185259919119,153cyclictest0-21swapper/1808:10:1710
185259919119,153cyclictest0-21swapper/1808:10:1710
1850499191179,10cyclictest0-21swapper/711:12:5337
1850499191179,10cyclictest0-21swapper/711:12:5337
1848999191177,8cyclictest0-21swapper/112:37:411
1848999191177,8cyclictest0-21swapper/112:37:401
1848999191177,8cyclictest0-21swapper/112:37:401
1852899188138,31cyclictest0-21swapper/2008:00:2613
1852899188138,31cyclictest0-21swapper/2008:00:2613
185259918815,68cyclictest776-21inotify_reader12:35:1710
185259918815,68cyclictest776-21inotify_reader12:35:1710
185259918815,68cyclictest776-21inotify_reader12:35:1710
1849299188159,27cyclictest0-21swapper/411:45:4834
1849299188159,27cyclictest0-21swapper/411:45:4834
18491991881,180cyclictest0-21swapper/307:45:1123
18491991881,180cyclictest0-21swapper/307:45:1023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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