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2026-04-03 - 14:04
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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 Apr 03, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2829599382380,1cyclictest4180481-21kworker/1:119:41:021
2829599381379,1cyclictest89286-21kworker/1:220:54:021
2831299373370,2cyclictest120570-21kworker/3:022:00:023
2831299373370,2cyclictest120570-21kworker/3:022:00:013
2831299370368,1cyclictest0-21swapper/323:45:023
2831999368367,1cyclictest0-21swapper/423:39:024
2831299368367,1cyclictest343081-21ssh00:30:013
2831299368366,1cyclictest101289-21diskmemload23:34:023
2831299368366,1cyclictest101289-21diskmemload23:34:023
2831299368365,2cyclictest120570-21kworker/3:021:51:013
2831299366365,1cyclictest294892-21ssh23:50:013
2831299366365,1cyclictest264565-21kworker/3:100:04:013
2831299366365,1cyclictest0-21swapper/322:14:023
2831299365364,1cyclictest104890-21kworker/3:121:15:023
2831299365363,1cyclictest120570-21kworker/3:023:24:013
2831299365363,1cyclictest120570-21kworker/3:022:38:013
2831299365363,1cyclictest0-21swapper/321:41:023
2834199364363,1cyclictest0-21swapper/722:00:027
2834199364363,1cyclictest0-21swapper/722:00:017
2831299364362,1cyclictest120570-21kworker/3:022:06:013
2831299363362,1cyclictest120570-21kworker/3:023:13:013
2831299363362,1cyclictest120570-21kworker/3:022:31:023
2831299363362,1cyclictest120570-21kworker/3:022:27:023
2831299363362,1cyclictest0-21swapper/323:41:023
2831299363362,1cyclictest0-21swapper/322:54:023
2831299363362,1cyclictest0-21swapper/320:35:023
2831299363362,1cyclictest0-21swapper/320:35:013
2831299363362,1cyclictest0-21swapper/300:28:013
2831299363361,1cyclictest120570-21kworker/3:022:40:013
2831299363361,1cyclictest0-21swapper/300:24:023
2834199362361,1cyclictest243119-21kworker/7:023:45:017
2831299362361,1cyclictest120570-21kworker/3:021:48:023
2831299362361,1cyclictest104890-21kworker/3:121:28:013
2831299362360,1cyclictest0-21swapper/323:36:013
2834199361360,1cyclictest316402-21kworker/7:200:30:027
2834199361359,1cyclictest0-21swapper/721:51:027
2831299361360,1cyclictest264565-21kworker/3:123:57:013
2831299361360,1cyclictest264565-21kworker/3:100:11:023
2831299361360,1cyclictest120570-21kworker/3:022:55:023
2831299361360,1cyclictest0-21swapper/323:17:013
2831299361360,1cyclictest0-21swapper/322:48:013
2831299361360,1cyclictest0-21swapper/321:57:013
2831299361360,1cyclictest0-21swapper/300:05:023
2834199360359,1cyclictest243119-21kworker/7:023:34:027
2834199360359,1cyclictest243119-21kworker/7:023:34:017
2831299360359,1cyclictest1503752-21kworker/3:219:22:013
2831299360359,1cyclictest120570-21kworker/3:023:03:023
2831299360359,1cyclictest120570-21kworker/3:022:24:013
2831299360359,1cyclictest0-21swapper/300:35:013
2831299360358,1cyclictest79943-21kworker/3:021:00:013
2834199359358,1cyclictest243119-21kworker/7:023:50:027
2834199359358,1cyclictest0-21swapper/700:04:017
2831299359358,1cyclictest120570-21kworker/3:022:16:023
2831299359358,1cyclictest0-21swapper/323:06:023
2831299359358,1cyclictest0-21swapper/319:10:023
2831299359357,1cyclictest0-21swapper/321:22:023
2834199358357,1cyclictest112257-21kworker/7:222:14:027
2834199358357,1cyclictest0-21swapper/721:15:027
2834199358356,1cyclictest101289-21diskmemload23:24:027
2831299358357,1cyclictest264565-21kworker/3:123:25:023
2831299358357,1cyclictest0-21swapper/321:34:013
2831299358357,1cyclictest0-21swapper/321:05:023
2831299358357,1cyclictest0-21swapper/319:38:023
2831299358357,1cyclictest0-21swapper/319:17:023
2834199357356,1cyclictest112257-21kworker/7:221:41:017
2834199357356,1cyclictest0-21swapper/722:38:027
2834199357356,1cyclictest0-21swapper/722:31:017
2834199357355,2cyclictest243119-21kworker/7:023:41:017
2834199356355,1cyclictest316402-21kworker/7:200:28:027
2834199356355,1cyclictest28179-21kworker/7:020:35:027
2834199356355,1cyclictest28179-21kworker/7:020:35:027
2834199356355,1cyclictest195062-21kworker/7:122:54:017
2834199356355,1cyclictest0-21swapper/723:13:027
2834199356355,1cyclictest0-21swapper/722:27:027
2834199356355,1cyclictest0-21swapper/722:06:017
2831299356355,1cyclictest1503752-21kworker/3:219:29:013
2831299356355,1cyclictest0-21swapper/320:32:013
2831299356355,1cyclictest0-21swapper/319:33:023
2834199355354,1cyclictest316402-21kworker/7:200:24:027
2834199355354,1cyclictest201150-21kworker/u16:122:40:027
2834199355354,1cyclictest0-21swapper/721:48:017
2834199355354,1cyclictest0-21swapper/721:28:027
2834199355353,2cyclictest243119-21kworker/7:023:36:027
2834199355353,1cyclictest112257-21kworker/7:221:57:027
2831299355354,1cyclictest3933736-21kworker/3:119:59:013
2831299355354,1cyclictest0-21swapper/320:23:023
2834199354353,1cyclictest243119-21kworker/7:000:05:017
2834199354353,1cyclictest0-21swapper/723:57:027
2834199354353,1cyclictest0-21swapper/723:03:027
2834199354353,1cyclictest0-21swapper/722:55:017
2834199354353,1cyclictest0-21swapper/722:24:017
2834199354353,1cyclictest0-21swapper/700:11:017
2834199354352,1cyclictest316402-21kworker/7:200:35:017
2831299354353,1cyclictest79943-21kworker/3:020:51:013
2831299354353,1cyclictest0-21swapper/319:53:013
2831299354352,2cyclictest3933736-21kworker/3:119:46:023
2831299354352,1cyclictest0-21swapper/320:46:023
2831299354352,1cyclictest0-21swapper/320:42:023
2834199353352,1cyclictest243119-21kworker/7:023:16:027
2834199353352,1cyclictest195062-21kworker/7:122:48:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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