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2025-12-19 - 21:57
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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 Fri Dec 19, 2025 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267171724180,5sleep60-21swapper/607:05:156
267376799368367,1cyclictest1655332-21kworker/4:108:20:024
267376799365364,1cyclictest1655332-21kworker/4:107:25:034
267376799365364,1cyclictest0-21swapper/410:50:024
267376799365364,1cyclictest0-21swapper/409:42:024
267376799365364,1cyclictest0-21swapper/409:07:024
267374699365364,1cyclictest0-21swapper/112:10:021
267376799364363,1cyclictest0-21swapper/412:37:024
267376799364363,1cyclictest0-21swapper/412:25:024
267376799364363,1cyclictest0-21swapper/410:01:024
267374699364363,1cyclictest0-21swapper/107:50:021
267376799363362,1cyclictest1655332-21kworker/4:108:05:024
267376799363362,1cyclictest0-21swapper/411:05:024
267376799363362,1cyclictest0-21swapper/410:30:024
267376799363360,2cyclictest0-21swapper/408:54:024
267374699363362,1cyclictest0-21swapper/107:15:021
267376799362361,1cyclictest0-21swapper/411:50:024
267376799362361,1cyclictest0-21swapper/411:35:024
267376799362361,1cyclictest0-21swapper/410:59:024
267376799362361,1cyclictest0-21swapper/410:05:024
267374699362361,1cyclictest0-21swapper/111:30:021
267374699362361,1cyclictest0-21swapper/108:35:021
267374699362360,1cyclictest0-21swapper/109:20:021
267376799361360,1cyclictest2722689-21kworker/4:210:44:024
267376799361360,1cyclictest0-21swapper/409:15:024
267376799361360,1cyclictest0-21swapper/409:15:024
267374699361360,1cyclictest0-21swapper/111:20:021
267374699361359,2cyclictest0-21swapper/107:46:021
267376799360359,1cyclictest0-21swapper/410:49:024
267376799360359,1cyclictest0-21swapper/410:49:024
267376799360358,1cyclictest0-21swapper/411:25:024
267376799360358,1cyclictest0-21swapper/409:46:024
267376799360358,1cyclictest0-21swapper/407:22:024
267374699360359,1cyclictest0-21swapper/108:30:021
267376799359358,1cyclictest2722689-21kworker/4:210:28:024
267376799359358,1cyclictest2722689-21kworker/4:209:22:034
267376799359358,1cyclictest2722689-21kworker/4:208:36:024
267376799359358,1cyclictest0-21swapper/412:17:024
267376799359358,1cyclictest0-21swapper/412:17:024
267376799359358,1cyclictest0-21swapper/411:19:024
267376799359358,1cyclictest0-21swapper/408:25:024
267376799359358,1cyclictest0-21swapper/408:11:034
267376799359358,1cyclictest0-21swapper/407:38:034
267374699359358,1cyclictest2746602-21kworker/1:310:35:021
267376799358357,1cyclictest2722689-21kworker/4:211:02:024
267376799358357,1cyclictest0-21swapper/409:38:024
267376799358357,1cyclictest0-21swapper/408:32:024
267376799358357,1cyclictest0-21swapper/408:03:024
267376799358357,1cyclictest0-21swapper/407:57:024
267374699358357,1cyclictest0-21swapper/112:15:021
267374699358357,1cyclictest0-21swapper/112:15:021
267374699358356,1cyclictest2746602-21kworker/1:310:48:021
267374699358356,1cyclictest2746602-21kworker/1:310:48:021
267374699358356,1cyclictest0-21swapper/110:34:021
267376799357356,1cyclictest0-21swapper/411:58:024
267374699357356,1cyclictest2812853-21kworker/1:111:06:021
267374699357356,1cyclictest2646993-21kworker/1:107:55:021
267374699357356,1cyclictest0-21swapper/112:30:021
267374699357356,1cyclictest0-21swapper/108:49:021
267374699357356,1cyclictest0-21swapper/107:11:021
267374699357355,1cyclictest2646993-21kworker/1:109:00:021
267374699357355,1cyclictest0-21swapper/112:23:021
267374699357355,1cyclictest0-21swapper/111:45:021
267374699357355,1cyclictest0-21swapper/109:58:021
267374699357355,1cyclictest0-21swapper/109:27:021
267376799356355,1cyclictest0-21swapper/410:24:024
267376799356355,1cyclictest0-21swapper/409:53:024
267374699356355,1cyclictest0-21swapper/112:06:021
267374699356355,1cyclictest0-21swapper/110:43:021
267374699356355,1cyclictest0-21swapper/110:06:021
267374699356355,1cyclictest0-21swapper/108:58:021
267374699356355,1cyclictest0-21swapper/108:50:021
267374699356354,1cyclictest2746602-21kworker/1:309:32:021
267374699355354,1cyclictest0-21swapper/112:27:021
267374699355354,1cyclictest0-21swapper/110:58:021
267374699355354,1cyclictest0-21swapper/110:12:021
267374699355354,1cyclictest0-21swapper/109:49:021
267374699355354,1cyclictest0-21swapper/108:14:031
267374699355354,1cyclictest0-21swapper/107:43:021
267374699355353,1cyclictest2812853-21kworker/1:111:12:021
267374699355353,1cyclictest0-21swapper/108:22:021
267374699354353,1cyclictest2812853-21kworker/1:111:28:021
267374699354353,1cyclictest0-21swapper/109:06:021
267374699354353,1cyclictest0-21swapper/107:27:031
267374699354352,1cyclictest2746602-21kworker/1:310:27:021
267374699353352,1cyclictest2812853-21kworker/1:111:56:021
267374699353352,1cyclictest2812853-21kworker/1:111:54:021
267374699353352,1cyclictest2812853-21kworker/1:111:37:021
267374699352351,1cyclictest2812853-21kworker/1:112:03:021
267374699352351,1cyclictest2812853-21kworker/1:111:41:021
267374699352351,1cyclictest2746602-21kworker/1:310:18:021
267374699352351,1cyclictest2646993-21kworker/1:107:31:021
267374699352350,1cyclictest2646993-21kworker/1:108:29:021
267374699352350,1cyclictest2646993-21kworker/1:107:24:021
267374699351350,1cyclictest2746602-21kworker/1:310:54:021
267374699351350,1cyclictest2746602-21kworker/1:310:02:021
267374699351350,1cyclictest2646993-21kworker/1:108:43:021
267376299339338,1cyclictest2664577-21kworker/3:007:10:023
267376299335333,1cyclictest0-21swapper/310:00:023
267376299333331,2cyclictest0-21swapper/310:20:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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