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2026-06-16 - 04:05
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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 Jun 16, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173034399381379,1cyclictest1800331-21kworker/7:021:09:027
1730343993810,380cyclictest0-21swapper/719:10:027
1730343993810,380cyclictest0-21swapper/719:10:027
1730329993810,380cyclictest0-21swapper/523:33:025
173034399380379,1cyclictest1779158-21kworker/7:120:48:027
173034399380379,1cyclictest1779158-21kworker/7:120:48:027
173034399380379,1cyclictest1749139-21kworker/7:120:09:027
173034399380379,1cyclictest1749139-21kworker/7:119:47:027
1730343993800,1cyclictest0-21swapper/719:42:027
173032999380378,1cyclictest1825879-21kworker/5:022:56:025
173029799380379,1cyclictest1960336-21kworker/1:119:22:021
173029799380379,1cyclictest1781965-21kworker/1:321:07:021
173029799380378,1cyclictest0-21swapper/120:59:021
173029799380378,1cyclictest0-21swapper/119:17:021
173029799380378,1cyclictest0-21swapper/119:17:021
1730297993800,379cyclictest0-21swapper/120:43:021
1730297993800,1cyclictest0-21swapper/119:45:021
1730297993800,1cyclictest0-21swapper/119:35:021
1730297993800,1cyclictest0-21swapper/119:25:021
173034399379378,1cyclictest1749139-21kworker/7:120:13:027
173034399379378,1cyclictest1749139-21kworker/7:119:55:027
173034399379378,1cyclictest1749139-21kworker/7:119:54:027
1730343993790,379cyclictest0-21swapper/719:24:027
1730343993790,1cyclictest0-21swapper/719:39:027
173029799379378,1cyclictest1781965-21kworker/1:321:02:011
173029799379378,1cyclictest1781965-21kworker/1:320:51:021
173029799379377,1cyclictest1960336-21kworker/1:120:08:021
173029799379377,1cyclictest1960336-21kworker/1:119:33:021
173034399378377,1cyclictest1779158-21kworker/7:120:54:027
173034399378377,1cyclictest1779158-21kworker/7:120:37:027
173034399378377,1cyclictest1755206-21kworker/7:220:29:027
173034399378376,1cyclictest1779158-21kworker/7:120:41:027
173032999378377,1cyclictest0-21swapper/522:20:025
173032999377376,1cyclictest0-21swapper/522:51:025
173032999377376,1cyclictest0-21swapper/519:37:025
173032999377375,1cyclictest0-21swapper/523:36:025
173032999377375,1cyclictest0-21swapper/523:36:025
173029799377376,1cyclictest0-21swapper/120:27:021
173034399376375,1cyclictest1779158-21kworker/7:120:32:027
173032999376375,1cyclictest0-21swapper/523:11:025
173032999376374,1cyclictest0-21swapper/523:18:025
173032999376374,1cyclictest0-21swapper/522:31:025
173032999376374,1cyclictest0-21swapper/521:56:025
173032999376374,1cyclictest0-21swapper/521:13:025
173032999375374,1cyclictest0-21swapper/523:26:025
173032999375374,1cyclictest0-21swapper/520:30:025
173032999375374,1cyclictest0-21swapper/500:15:025
173032999375373,1cyclictest0-21swapper/522:03:025
173032999375373,1cyclictest0-21swapper/500:29:025
173032999374373,1cyclictest0-21swapper/523:48:025
173032999374373,1cyclictest0-21swapper/522:41:025
173032999374372,2cyclictest1949407-21kworker/5:200:34:015
173032999373372,1cyclictest1773260-21kworker/5:121:16:025
173032999373372,1cyclictest0-21swapper/522:48:025
173032999373371,1cyclictest1773260-21kworker/5:121:29:025
173032999372371,1cyclictest1949407-21kworker/5:223:42:025
173032999372371,1cyclictest1773260-21kworker/5:121:30:025
173032999372371,1cyclictest0-21swapper/519:50:025
173032999371369,2cyclictest1825879-21kworker/5:022:06:025
173032999371369,1cyclictest1825879-21kworker/5:021:40:025
173032999371368,2cyclictest1949407-21kworker/5:200:02:025
173032999369368,1cyclictest1949407-21kworker/5:200:10:025
173032999369368,1cyclictest1825879-21kworker/5:022:39:025
173032999369367,1cyclictest1825879-21kworker/5:022:10:025
173032999368367,1cyclictest1949407-21kworker/5:223:56:025
173032999366365,1cyclictest1949407-21kworker/5:200:39:025
173032999366365,1cyclictest1773260-21kworker/5:121:05:025
173032999366364,1cyclictest0-21swapper/520:16:025
173032999365364,1cyclictest2004134-21kworker/5:220:00:025
173032999365364,1cyclictest2004134-21kworker/5:219:45:025
173032999365364,1cyclictest2004134-21kworker/5:219:25:025
173032999365364,1cyclictest1949407-21kworker/5:200:07:015
173032999365363,2cyclictest1773260-21kworker/5:120:43:025
173032999364363,1cyclictest0-21swapper/519:19:025
173032999364363,1cyclictest0-21swapper/519:19:025
173032999364362,1cyclictest0-21swapper/519:57:025
173032999364362,1cyclictest0-21swapper/519:11:025
173032999364362,1cyclictest0-21swapper/519:11:025
173032999362361,1cyclictest0-21swapper/520:51:025
173032999362361,1cyclictest0-21swapper/519:22:025
173032999361360,1cyclictest1773260-21kworker/5:120:59:025
173032999361360,1cyclictest0-21swapper/521:02:025
173032999361360,1cyclictest0-21swapper/519:33:025
173032999361359,1cyclictest0-21swapper/520:08:025
173032999358357,1cyclictest1773260-21kworker/5:120:27:025
172896123390,10sleep656-21ksoftirqd/619:05:196
173028999283282,1cyclictest0-21swapper/023:50:020
173028999281279,1cyclictest1977694-21kworker/0:323:37:020
173028999281279,1cyclictest1977694-21kworker/0:323:37:010
173028999281279,1cyclictest1977694-21kworker/0:300:21:020
173028999281279,1cyclictest0-21swapper/022:44:020
173028999280279,1cyclictest1730181-21kworker/0:223:00:020
173028999280279,1cyclictest0-21swapper/022:34:020
173028999280279,1cyclictest0-21swapper/000:05:020
173028999280278,1cyclictest0-21swapper/021:55:020
173028999279278,1cyclictest1977694-21kworker/0:300:25:020
173028999279278,1cyclictest1730181-21kworker/0:221:46:020
173028999279278,1cyclictest0-21swapper/023:57:020
173028999279277,1cyclictest0-21swapper/021:19:020
173028999278277,1cyclictest1730181-21kworker/0:223:16:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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