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2026-06-28 - 04:07
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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 Sun Jun 28, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1880018994010,400cyclictest0-21swapper/519:37:035
1880018993990,398cyclictest0-21swapper/519:48:035
1879980993990,398cyclictest0-21swapper/020:26:020
1879980993990,398cyclictest0-21swapper/019:23:020
1880018993980,397cyclictest0-21swapper/521:07:025
1880018993980,397cyclictest0-21swapper/520:18:025
1880018993980,397cyclictest0-21swapper/519:34:035
1879980993980,1cyclictest0-21swapper/020:51:020
1880018993970,396cyclictest0-21swapper/519:28:025
1879980993970,397cyclictest0-21swapper/020:23:020
1879980993970,396cyclictest0-21swapper/020:14:030
1879980993970,1cyclictest0-21swapper/019:38:020
187998699394392,1cyclictest0-21swapper/123:59:021
187998699394392,1cyclictest0-21swapper/123:07:021
187998699393391,1cyclictest0-21swapper/121:25:021
187998699392391,1cyclictest0-21swapper/122:06:021
187998699391389,1cyclictest0-21swapper/123:49:021
187998699391389,1cyclictest0-21swapper/121:57:021
187998699390389,1cyclictest0-21swapper/121:18:021
187998699390389,1cyclictest0-21swapper/100:22:021
187998699389388,1cyclictest0-21swapper/123:21:021
187998699389388,1cyclictest0-21swapper/123:13:021
187998699389387,2cyclictest0-21swapper/121:51:021
187998699389387,1cyclictest0-21swapper/122:14:031
187998699389387,1cyclictest0-21swapper/122:14:021
187998699389387,1cyclictest0-21swapper/121:45:031
188003399388387,1cyclictest2175785-21kworker/7:100:17:027
187998699388387,1cyclictest0-21swapper/121:14:031
187998699388386,1cyclictest0-21swapper/123:15:021
187998699388386,1cyclictest0-21swapper/123:01:031
187998699388386,1cyclictest0-21swapper/122:57:021
187998699388386,1cyclictest0-21swapper/122:44:021
187998699387386,1cyclictest0-21swapper/100:13:021
187998699387385,1cyclictest0-21swapper/120:50:021
187998699386385,1cyclictest0-21swapper/122:39:021
187998699386384,1cyclictest0-21swapper/121:43:021
188003399385383,1cyclictest2201920-21kworker/7:000:39:027
187998699385383,1cyclictest2033147-21kworker/1:122:21:021
187998699385383,1cyclictest1850941-21kworker/1:219:30:021
187998699385383,1cyclictest0-21swapper/120:55:021
187998699385383,1cyclictest0-21swapper/119:44:021
187998699385382,3cyclictest2033147-21kworker/1:123:35:021
187998699385382,3cyclictest2033147-21kworker/1:123:35:021
188003399384383,1cyclictest1953015-21kworker/7:121:17:027
188003399384380,3cyclictest1953015-21kworker/7:121:31:027
187998699384382,1cyclictest0-21swapper/121:38:021
187998699384382,1cyclictest0-21swapper/120:11:021
188003399383381,1cyclictest1953015-21kworker/7:122:01:027
187998699383381,1cyclictest2033147-21kworker/1:122:53:021
187998699383381,1cyclictest0-21swapper/121:09:021
188003399382381,1cyclictest2143171-21kworker/7:223:53:027
188003399382381,1cyclictest1953015-21kworker/7:122:45:027
188003399382381,1cyclictest1953015-21kworker/7:122:34:027
188003399382381,1cyclictest1953015-21kworker/7:122:05:027
187998699382380,1cyclictest0-21swapper/120:20:031
188003399381380,1cyclictest2175785-21kworker/7:100:27:027
188003399381380,1cyclictest1953015-21kworker/7:123:42:027
188003399381380,1cyclictest1953015-21kworker/7:121:36:027
188003399381379,1cyclictest1953015-21kworker/7:122:23:037
187998699381380,1cyclictest2136360-21kworker/1:000:33:021
187998699381379,1cyclictest2033147-21kworker/1:123:30:031
188003399380379,1cyclictest2143171-21kworker/7:200:05:037
188003399380379,1cyclictest1953015-21kworker/7:121:46:027
188003399380378,1cyclictest1953015-21kworker/7:123:34:027
188003399380378,1cyclictest0-21swapper/721:10:037
188003399379378,1cyclictest0-21swapper/722:10:027
188003399379378,1cyclictest0-21swapper/722:10:027
188003399379378,1cyclictest0-21swapper/721:24:027
188003399379377,1cyclictest1953015-21kworker/7:122:52:027
187998699379378,1cyclictest2136360-21kworker/1:000:38:031
187998699379378,1cyclictest2033147-21kworker/1:122:30:021
188003399378377,1cyclictest2143171-21kworker/7:200:01:027
188003399378377,1cyclictest1953015-21kworker/7:123:29:027
188003399378376,1cyclictest2175785-21kworker/7:100:34:027
188003399378376,1cyclictest1953015-21kworker/7:123:18:027
188003399378376,1cyclictest1953015-21kworker/7:122:26:027
187998699378377,1cyclictest1850941-21kworker/1:220:35:021
187998699378376,1cyclictest1850941-21kworker/1:220:00:031
188003399377376,1cyclictest1953015-21kworker/7:123:39:037
188003399377376,1cyclictest1953015-21kworker/7:123:39:037
188003399377376,1cyclictest0-21swapper/722:16:027
188003399377375,1cyclictest1879855-21kworker/7:220:40:027
187998699377376,1cyclictest1850941-21kworker/1:219:37:021
188003399376375,1cyclictest2143171-21kworker/7:223:48:027
188003399376375,1cyclictest1879855-21kworker/7:220:25:037
188003399376375,1cyclictest1879855-21kworker/7:220:15:027
188003399376375,1cyclictest1879855-21kworker/7:220:01:037
188003399376375,1cyclictest1879855-21kworker/7:219:35:027
188003399376375,1cyclictest0-21swapper/723:11:027
188003399376374,1cyclictest0-21swapper/721:03:027
187998699376374,1cyclictest0-21swapper/120:19:021
187998699376374,1cyclictest0-21swapper/119:47:021
187998699376374,1cyclictest0-21swapper/119:21:031
188003399375374,1cyclictest1879855-21kworker/7:219:33:027
187998699375373,1cyclictest0-21swapper/120:31:021
188003399374373,1cyclictest1879855-21kworker/7:220:57:027
188003399374373,1cyclictest1879855-21kworker/7:219:45:027
187998699374373,1cyclictest1850941-21kworker/1:219:25:031
187998699374372,1cyclictest1850941-21kworker/1:219:56:031
188003399373372,1cyclictest1879855-21kworker/7:220:34:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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