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2025-12-27 - 10:42
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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 Sat Dec 27, 2025 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150426999371369,1cyclictest1465730-21kworker/7:220:07:027
150426999341340,1cyclictest0-21swapper/722:33:017
150422399341339,1cyclictest0-21swapper/123:11:021
150426999340339,1cyclictest0-21swapper/722:43:027
150426999340338,1cyclictest0-21swapper/723:09:017
150422399334333,1cyclictest0-21swapper/122:33:021
150426999333332,1cyclictest0-21swapper/722:38:027
150422399333331,1cyclictest0-21swapper/122:43:021
150425699331329,1cyclictest97550irq/166-enp0s3123:11:025
150422399331330,1cyclictest0-21swapper/123:09:021
150426999330328,1cyclictest1565239-21kworker/7:021:25:027
150422399328326,1cyclictest1719161-21ssh23:01:021
150426999327326,1cyclictest0-21swapper/722:15:027
150426999327325,1cyclictest0-21swapper/700:33:027
150422399327326,1cyclictest1594603-21kworker/1:123:31:011
150426999326325,1cyclictest1703575-21kworker/7:223:03:027
150422399326324,1cyclictest0-21swapper/123:51:021
150422399326324,1cyclictest0-21swapper/122:01:021
150426999325323,1cyclictest1720396-21kworker/7:023:21:027
150422399325324,1cyclictest0-21swapper/122:55:021
150426999324323,1cyclictest1768920-21kworker/7:223:53:027
150426999324323,1cyclictest0-21swapper/721:47:017
150426999324322,1cyclictest1565239-21kworker/7:020:53:027
150426999324322,1cyclictest1465730-21kworker/7:219:37:027
150426999324322,1cyclictest1465730-21kworker/7:219:23:027
150425699324323,1cyclictest1643944-21kworker/5:022:33:025
150426999323322,1cyclictest0-21swapper/722:22:027
150426999323322,1cyclictest0-21swapper/721:36:027
150425699323322,1cyclictest1643944-21kworker/5:022:43:025
150422399323322,1cyclictest0-21swapper/122:17:021
150422399323322,1cyclictest0-21swapper/121:37:011
150422399323321,1cyclictest0-21swapper/123:43:021
150422399323321,1cyclictest0-21swapper/122:11:021
150422399323321,1cyclictest0-21swapper/122:11:011
150426999322320,1cyclictest1465730-21kworker/7:220:39:027
150426999322320,1cyclictest1465730-21kworker/7:220:23:027
150426999322320,1cyclictest1465730-21kworker/7:219:31:027
150426999322320,1cyclictest1465730-21kworker/7:219:17:027
150425699322321,1cyclictest1643944-21kworker/5:023:09:025
150422399322321,1cyclictest1594603-21kworker/1:100:07:021
150422399322321,1cyclictest0-21swapper/121:25:021
150422399322320,1cyclictest0-21swapper/123:25:021
150422399322320,1cyclictest0-21swapper/122:27:021
150426999321320,1cyclictest1768920-21kworker/7:200:22:027
150426999321320,1cyclictest1768920-21kworker/7:200:03:027
150426999321320,1cyclictest0-21swapper/722:48:027
150426999321319,1cyclictest1565239-21kworker/7:021:59:027
150426999321319,1cyclictest1565239-21kworker/7:021:11:027
150426999321319,1cyclictest1565239-21kworker/7:021:09:027
150426999321319,1cyclictest1565239-21kworker/7:020:57:027
150422399321320,1cyclictest1594603-21kworker/1:121:41:021
150422399321319,1cyclictest1621773-21ssh21:45:021
150422399321319,1cyclictest0-21swapper/121:55:021
150422399321319,1cyclictest0-21swapper/121:15:021
150422399321319,1cyclictest0-21swapper/119:25:021
150426999320318,1cyclictest1720396-21kworker/7:023:29:027
150426999320318,1cyclictest1544193-21kworker/7:120:43:027
150426999320318,1cyclictest1465730-21kworker/7:220:29:027
150422399320319,1cyclictest1594603-21kworker/1:123:45:021
150422399320319,1cyclictest1594603-21kworker/1:100:31:021
150422399320319,1cyclictest1501086-21kworker/1:119:15:021
150422399320319,1cyclictest0-21swapper/121:33:021
150422399320319,1cyclictest0-21swapper/100:15:021
150422399320318,1cyclictest0-21swapper/123:37:021
150422399320318,1cyclictest0-21swapper/123:37:021
150422399320318,1cyclictest0-21swapper/123:15:021
150422399320318,1cyclictest0-21swapper/122:21:021
150422399320318,1cyclictest0-21swapper/121:54:021
150422399320318,1cyclictest0-21swapper/120:51:021
150422399320318,1cyclictest0-21swapper/100:13:021
150426999319317,1cyclictest1638908-21kworker/7:222:25:027
150426999319317,1cyclictest1465730-21kworker/7:219:50:027
150422399319318,1cyclictest0-21swapper/122:35:021
150422399319317,1cyclictest0-21swapper/123:55:021
150422399319317,1cyclictest0-21swapper/120:15:021
150422399319317,1cyclictest0-21swapper/119:10:021
150426999318316,1cyclictest1768920-21kworker/7:223:59:027
150425699318316,1cyclictest97550irq/166-enp0s3123:31:025
150425699318316,1cyclictest97550irq/166-enp0s3123:01:025
150422399318317,1cyclictest0-21swapper/122:47:021
150422399318316,1cyclictest0-21swapper/122:05:021
150426999317316,1cyclictest1768920-21kworker/7:200:14:027
150426999317316,1cyclictest0-21swapper/723:12:027
150426999317316,1cyclictest0-21swapper/722:50:027
150426999317316,1cyclictest0-21swapper/721:53:027
150426999317316,1cyclictest0-21swapper/721:23:027
150426999317315,1cyclictest1638908-21kworker/7:222:06:027
150422399317316,1cyclictest0-21swapper/123:21:021
150422399317316,1cyclictest0-21swapper/120:01:021
150422399317316,1cyclictest0-21swapper/119:55:021
150422399317315,1cyclictest0-21swapper/120:25:021
150422399317315,1cyclictest0-21swapper/100:00:011
150426999316314,1cyclictest1768920-21kworker/7:200:36:027
150426999316314,1cyclictest1768920-21kworker/7:200:27:027
150426999316314,1cyclictest0-21swapper/720:46:027
150426999316314,1cyclictest0-21swapper/720:46:027
150425699316315,1cyclictest97550irq/166-enp0s3122:01:025
150425699316315,1cyclictest1643944-21kworker/5:022:55:025
150425699316314,1cyclictest97550irq/166-enp0s3123:51:025
150422399316315,1cyclictest0-21swapper/121:12:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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