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2026-04-07 - 23:35
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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 Tue Apr 07, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172198099381380,1cyclictest1749880-21kworker/3:208:20:023
1721980993810,380cyclictest0-21swapper/310:00:023
1721980993810,380cyclictest0-21swapper/308:57:023
1721980993810,380cyclictest0-21swapper/308:57:023
172198099380379,1cyclictest1888267-21kworker/3:012:25:013
172198099380378,1cyclictest1749880-21kworker/3:207:58:023
1721980993800,379cyclictest0-21swapper/311:36:023
1721980993800,379cyclictest0-21swapper/310:30:023
1721980993800,379cyclictest0-21swapper/309:40:023
1721980993800,379cyclictest0-21swapper/309:10:023
1721980993800,379cyclictest0-21swapper/308:50:023
1721980993800,379cyclictest0-21swapper/307:42:023
1721980993800,379cyclictest0-21swapper/307:30:013
1721980993800,1cyclictest0-21swapper/310:09:023
1721980993800,1cyclictest0-21swapper/307:50:023
172198099379378,1cyclictest1749880-21kworker/3:210:12:023
172198099379378,1cyclictest1749880-21kworker/3:209:57:023
172198099379378,1cyclictest1749880-21kworker/3:209:09:023
172198099379378,1cyclictest0-21swapper/308:37:023
1721980993790,1cyclictest0-21swapper/311:45:023
1721980993790,1cyclictest0-21swapper/311:45:023
1721980993790,1cyclictest0-21swapper/309:00:023
172198099378377,1cyclictest1849175-21kworker/3:111:21:023
172198099378377,1cyclictest1749880-21kworker/3:209:51:023
172198099378377,1cyclictest1749880-21kworker/3:209:49:023
172198099377376,1cyclictest1888267-21kworker/3:012:11:023
172198099377376,1cyclictest0-21swapper/311:57:023
172198099377376,1cyclictest0-21swapper/311:52:023
172198099377376,1cyclictest0-21swapper/310:28:023
172198099377376,1cyclictest0-21swapper/310:28:013
172198099377376,1cyclictest0-21swapper/309:39:023
172198099377376,1cyclictest0-21swapper/309:29:023
172198099376375,1cyclictest1849175-21kworker/3:111:13:013
172198099376375,1cyclictest0-21swapper/312:18:023
172198099376375,1cyclictest0-21swapper/312:06:023
172196699360359,1cyclictest1764930-21kworker/1:009:45:021
172195899360359,1cyclictest1689488-21kworker/0:008:30:020
172195899359358,1cyclictest1807030-21kworker/0:210:25:020
172195899359358,1cyclictest1807030-21kworker/0:210:25:010
172195899358357,1cyclictest1689488-21kworker/0:009:20:020
172195899358357,1cyclictest0-21swapper/011:00:010
172195899358357,1cyclictest0-21swapper/010:15:020
172195899358357,1cyclictest0-21swapper/008:25:020
172195899357356,1cyclictest1689488-21kworker/0:007:47:020
172195899357356,1cyclictest0-21swapper/012:35:020
172195899357356,1cyclictest0-21swapper/011:30:020
172195899357356,1cyclictest0-21swapper/010:05:020
172195899357356,1cyclictest0-21swapper/008:00:020
172196699356355,1cyclictest1870225-21kworker/1:111:25:021
172196699356353,2cyclictest1764930-21kworker/1:008:28:021
172195899356355,1cyclictest1807030-21kworker/0:212:16:020
172195899356355,1cyclictest1807030-21kworker/0:212:08:020
172195899356355,1cyclictest1689488-21kworker/0:007:25:020
172195899356355,1cyclictest1689488-21kworker/0:007:25:020
172195899356355,1cyclictest0-21swapper/011:20:010
172195899356355,1cyclictest0-21swapper/010:20:020
172195899356354,1cyclictest1689488-21kworker/0:009:06:020
172196699355354,1cyclictest1764930-21kworker/1:011:23:021
172196699355354,1cyclictest1764930-21kworker/1:010:54:021
172196699355353,1cyclictest0-21swapper/110:40:021
172195899355354,1cyclictest1807030-21kworker/0:211:26:010
172195899355354,1cyclictest1807030-21kworker/0:209:46:020
172195899355354,1cyclictest1689488-21kworker/0:007:38:020
172196699354353,1cyclictest1764930-21kworker/1:008:34:021
172195899354353,1cyclictest1807030-21kworker/0:210:51:020
172195899354352,1cyclictest0-21swapper/009:16:020
172196699353352,1cyclictest1686478-21kworker/1:208:15:021
172196699353352,1cyclictest1686478-21kworker/1:208:05:021
172196699353352,1cyclictest0-21swapper/109:55:021
172196699353352,1cyclictest0-21swapper/109:25:021
172195899353352,1cyclictest1807030-21kworker/0:211:50:020
172195899353352,1cyclictest1807030-21kworker/0:209:34:020
172195899353352,1cyclictest0-21swapper/012:00:020
172195899353352,1cyclictest0-21swapper/010:14:010
172195899353351,1cyclictest1689488-21kworker/0:009:02:020
172195899353351,1cyclictest1689488-21kworker/0:008:10:020
172196699352351,1cyclictest1764930-21kworker/1:009:05:021
172196699352351,1cyclictest1737861-21kworker/1:107:35:021
172196699352351,1cyclictest1686478-21kworker/1:207:15:021
172195899352351,1cyclictest1689488-21kworker/0:008:45:020
172195899352351,1cyclictest0-21swapper/011:16:020
172195899352350,1cyclictest0-21swapper/011:59:020
172196699351350,1cyclictest1870225-21kworker/1:111:35:021
172196699351350,1cyclictest1776955-21kworker/1:108:40:021
172196699351350,1cyclictest0-21swapper/111:10:021
172196699351350,1cyclictest0-21swapper/109:35:011
172196699350349,1cyclictest0-21swapper/109:30:021
172196699350348,1cyclictest0-21swapper/111:53:021
172195899350349,1cyclictest0-21swapper/010:41:020
172195899350349,1cyclictest0-21swapper/010:32:020
172195899350349,1cyclictest0-21swapper/008:43:020
172195899350349,1cyclictest0-21swapper/008:23:020
172195899350349,1cyclictest0-21swapper/008:06:020
172195899350349,1cyclictest0-21swapper/007:56:020
172195899350348,1cyclictest0-21swapper/007:54:020
172196699349348,1cyclictest1764930-21kworker/1:011:05:021
172196699349347,1cyclictest0-21swapper/107:45:021
172195899349348,1cyclictest1689488-21kworker/0:008:52:020
172195899349348,1cyclictest1689488-21kworker/0:008:16:020
172195899349348,1cyclictest0-21swapper/012:32:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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