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2026-07-15 - 10:10
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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 Wed Jul 15, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3789185993910,1cyclictest0-21swapper/022:24:020
378924199390389,1cyclictest3901302-21kworker/7:222:34:027
3789241993900,389cyclictest0-21swapper/721:26:027
378924199389387,2cyclictest4103565-21kworker/7:021:18:027
378924199387386,1cyclictest0-21swapper/719:35:027
378924199387385,1cyclictest4031749-21kworker/7:223:59:027
378924199386385,1cyclictest0-21swapper/723:04:027
378924199386385,1cyclictest0-21swapper/721:37:027
378924199385384,1cyclictest3901302-21kworker/7:222:38:027
378924199385384,1cyclictest3901302-21kworker/7:222:22:027
378924199385383,1cyclictest3901302-21kworker/7:221:48:027
378924199385383,1cyclictest3901302-21kworker/7:221:48:027
378924199384383,1cyclictest3901302-21kworker/7:222:02:017
378924199382380,1cyclictest0-21swapper/720:02:027
378924199381380,1cyclictest4103565-21kworker/7:019:45:027
378924199381380,1cyclictest4031749-21kworker/7:200:01:027
378924199381380,1cyclictest3901302-21kworker/7:222:40:027
378924199381380,1cyclictest3871698-21kworker/7:221:23:027
378924199381380,1cyclictest0-21swapper/723:23:027
378924199381380,1cyclictest0-21swapper/720:45:017
378920399381379,1cyclictest0-21swapper/221:14:022
378924199380379,1cyclictest4074817-21kworker/7:000:33:027
378924199380379,1cyclictest0-21swapper/722:19:017
378924199380379,1cyclictest0-21swapper/719:28:027
378924199380379,1cyclictest0-21swapper/719:22:027
378924199380379,1cyclictest0-21swapper/719:16:027
3789241993800,1cyclictest3862203-21diskmemload00:13:017
378924199379378,1cyclictest0-21swapper/723:39:017
378924199379377,2cyclictest4031749-21kworker/7:223:47:027
378924199379377,1cyclictest3972118-21kworker/7:122:56:027
378924199379377,1cyclictest3972118-21kworker/7:122:54:027
378924199378377,1cyclictest4015526-21kworker/7:123:33:027
378924199378377,1cyclictest0-21swapper/721:57:017
378924199378377,1cyclictest0-21swapper/719:40:017
378924199378375,2cyclictest0-21swapper/719:50:027
378924199377376,1cyclictest3997449-21kworker/7:023:19:027
378924199377376,1cyclictest0-21swapper/721:05:027
378924199377375,1cyclictest4103565-21kworker/7:021:10:027
378924199377375,1cyclictest4103565-21kworker/7:020:34:027
378924199374373,1cyclictest0-21swapper/700:36:027
378924199374372,2cyclictest3997449-21kworker/7:023:13:017
378924199374372,2cyclictest3997449-21kworker/7:023:13:017
378924199374372,1cyclictest4103565-21kworker/7:021:01:027
378924199374372,1cyclictest3901302-21kworker/7:222:29:027
378924199372371,1cyclictest4103565-21kworker/7:020:50:027
378924199372371,1cyclictest4103565-21kworker/7:019:10:017
378924199371370,1cyclictest0-21swapper/720:55:027
378924199371369,1cyclictest4103565-21kworker/7:020:28:027
378924199368367,1cyclictest4103565-21kworker/7:020:24:027
378924199368367,1cyclictest4103565-21kworker/7:020:24:017
378924199368366,1cyclictest4103565-21kworker/7:020:08:027
378920399354353,1cyclictest0-21swapper/200:16:012
378920399354352,1cyclictest4081411-21kworker/2:100:25:022
378920399353351,1cyclictest0-21swapper/219:15:012
378920399351350,1cyclictest3897115-21kworker/2:221:50:022
378920399351349,1cyclictest0-21swapper/200:14:022
378920399351348,2cyclictest3814083-21kworker/2:121:27:022
378920399350348,2cyclictest3927365-21kworker/2:122:11:022
378920399350348,1cyclictest3814083-21kworker/2:121:32:022
378920399349348,1cyclictest3979336-21kworker/2:223:36:022
378920399349348,1cyclictest0-21swapper/222:28:022
378920399349348,1cyclictest0-21swapper/222:08:012
378920399349348,1cyclictest0-21swapper/200:21:012
378920399348347,1cyclictest0-21swapper/223:51:022
378920399348347,1cyclictest0-21swapper/221:59:022
378920399347346,1cyclictest3897115-21kworker/2:221:44:022
378920399346345,1cyclictest3979336-21kworker/2:223:40:012
378920399345344,1cyclictest0-21swapper/222:31:022
378920399345343,1cyclictest3927365-21kworker/2:122:41:022
378920399344343,1cyclictest0-21swapper/222:16:022
378920399344342,1cyclictest3979336-21kworker/2:223:26:022
378920399344342,1cyclictest3814083-21kworker/2:120:10:022
378920399343342,1cyclictest0-21swapper/219:33:022
378920399343342,1cyclictest0-21swapper/200:37:022
378920399342341,1cyclictest3814083-21kworker/2:121:39:022
378920399342341,1cyclictest3814083-21kworker/2:120:09:022
378920399342341,1cyclictest0-21swapper/220:53:022
378920399342340,1cyclictest0-21swapper/219:59:012
378920399341340,1cyclictest0-21swapper/221:19:022
378920399341340,1cyclictest0-21swapper/220:31:012
378920399341339,1cyclictest3979336-21kworker/2:222:50:022
378920399341339,1cyclictest3979336-21kworker/2:200:07:022
378920399341339,1cyclictest3757191-21kworker/2:219:42:022
378920399341339,1cyclictest0-21swapper/221:21:022
378920399340339,1cyclictest0-21swapper/223:12:022
378920399340339,1cyclictest0-21swapper/223:12:022
378920399340339,1cyclictest0-21swapper/220:48:022
378920399339338,1cyclictest3979336-21kworker/2:223:00:022
378920399339337,1cyclictest3979336-21kworker/2:223:32:022
378920399338337,1cyclictest3979336-21kworker/2:223:07:022
378920399338337,1cyclictest0-21swapper/222:01:022
378920399338337,1cyclictest0-21swapper/221:45:022
378920399338337,1cyclictest0-21swapper/221:45:022
378920399338336,1cyclictest0-21swapper/219:39:022
378920399337336,1cyclictest3814083-21kworker/2:121:00:022
378920399337336,1cyclictest3814083-21kworker/2:120:40:022
378920399337336,1cyclictest0-21swapper/222:46:022
378920399337336,1cyclictest0-21swapper/220:35:022
378920399337335,1cyclictest3814083-21kworker/2:120:01:022
378920399336335,1cyclictest4081411-21kworker/2:100:31:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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