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2026-05-21 - 08:04
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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 Thu May 21, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73796699361360,1cyclictest0-21swapper/423:32:034
73796699354351,2cyclictest982694-21kworker/4:022:00:024
73796699353352,1cyclictest0-21swapper/423:11:024
73793399353352,1cyclictest792942-21kworker/0:223:32:020
73796699352350,1cyclictest0-21swapper/423:17:024
73796699351350,1cyclictest0-21swapper/400:10:024
73796699350349,1cyclictest955521-21kworker/4:000:27:024
73796699350349,1cyclictest0-21swapper/422:20:024
73796699350349,1cyclictest0-21swapper/422:20:024
73796699349348,1cyclictest0-21swapper/423:58:024
73796699349347,1cyclictest955521-21kworker/4:000:24:024
73796699348347,1cyclictest869060-21kworker/4:122:53:024
73796699348347,1cyclictest0-21swapper/423:49:024
73796699348347,1cyclictest0-21swapper/423:49:024
73796699348343,2cyclictest783721-21systemd-userwor20:27:024
73796699347346,1cyclictest982694-21kworker/4:021:25:024
73796699347346,1cyclictest0-21swapper/422:49:024
73796699347345,2cyclictest992441-21kworker/4:223:40:024
73796699346345,1cyclictest869060-21kworker/4:122:15:024
73796699346345,1cyclictest869060-21kworker/4:122:11:024
73796699346345,1cyclictest869060-21kworker/4:122:08:034
73796699346344,1cyclictest0-21swapper/421:46:024
73793399346344,1cyclictest0-21swapper/022:00:020
73796699345344,1cyclictest955521-21kworker/4:000:31:024
73796699344343,1cyclictest0-21swapper/420:44:034
73796699344343,1cyclictest0-21swapper/419:15:024
73796699344343,1cyclictest0-21swapper/400:17:024
73793399344343,1cyclictest792942-21kworker/0:223:11:020
73796699343342,1cyclictest0-21swapper/423:39:024
73796699343342,1cyclictest0-21swapper/422:27:024
73796699343342,1cyclictest0-21swapper/420:05:024
73796699343341,1cyclictest982694-21kworker/4:021:54:024
73796699343341,1cyclictest869060-21kworker/4:122:40:024
73793399343341,2cyclictest792942-21kworker/0:223:17:020
73796699342341,1cyclictest869060-21kworker/4:123:06:024
73796699342341,1cyclictest869060-21kworker/4:123:02:024
73796699342341,1cyclictest869060-21kworker/4:122:55:024
73796699342341,1cyclictest0-21swapper/423:23:024
73796699342341,1cyclictest0-21swapper/421:37:024
73796699342341,1cyclictest0-21swapper/420:35:024
73796699342341,1cyclictest0-21swapper/400:35:024
73793399342341,1cyclictest792942-21kworker/0:200:10:020
73796699341340,1cyclictest869060-21kworker/4:122:38:024
73796699341340,1cyclictest0-21swapper/421:30:024
73796699341340,1cyclictest0-21swapper/421:21:024
73793399341340,1cyclictest792942-21kworker/0:222:20:020
73793399341340,1cyclictest792942-21kworker/0:222:20:020
73793399341340,1cyclictest792942-21kworker/0:200:27:020
73793399341339,1cyclictest0-21swapper/000:24:020
73796699340339,1cyclictest982694-21kworker/4:020:55:024
73796699340339,1cyclictest982694-21kworker/4:019:31:034
73796699340339,1cyclictest0-21swapper/420:30:024
73796699340339,1cyclictest0-21swapper/419:25:034
73796699340339,1cyclictest0-21swapper/419:25:024
73793399340339,1cyclictest792942-21kworker/0:223:58:020
73793399340339,1cyclictest792942-21kworker/0:223:49:020
73793399340339,1cyclictest792942-21kworker/0:223:49:020
73796699339338,1cyclictest982694-21kworker/4:019:55:024
73796699339338,1cyclictest982694-21kworker/4:019:50:024
73796699339338,1cyclictest0-21swapper/400:09:024
73793399339338,1cyclictest0-21swapper/022:53:020
73793399339338,1cyclictest0-21swapper/021:25:020
73796699338337,1cyclictest982694-21kworker/4:020:49:034
73796699338337,1cyclictest0-21swapper/419:24:024
73796699338336,1cyclictest0-21swapper/420:51:034
73796699338336,1cyclictest0-21swapper/420:51:024
73793399338337,1cyclictest792942-21kworker/0:222:49:020
73793399338337,1cyclictest0-21swapper/022:15:020
73793399338337,1cyclictest0-21swapper/022:11:030
73793399338337,1cyclictest0-21swapper/022:08:020
73793399338335,1cyclictest948269-21kworker/0:020:27:030
73796699337336,1cyclictest982694-21kworker/4:021:06:024
73796699337336,1cyclictest982694-21kworker/4:020:14:034
73796699337336,1cyclictest982694-21kworker/4:019:48:024
73796699337336,1cyclictest982694-21kworker/4:019:44:024
73796699337336,1cyclictest982694-21kworker/4:019:39:034
73796699337336,1cyclictest982694-21kworker/4:019:14:024
73796699337335,1cyclictest0-21swapper/420:02:024
73796699337334,2cyclictest982694-21kworker/4:020:19:024
73793399337336,1cyclictest0-21swapper/023:40:020
73793399337336,1cyclictest0-21swapper/000:31:020
73793399337335,1cyclictest792942-21kworker/0:220:44:020
73796699336335,1cyclictest0-21swapper/420:21:024
73793399336335,1cyclictest792942-21kworker/0:221:46:020
73793399335334,1cyclictest948269-21kworker/0:020:05:020
73793399335334,1cyclictest948269-21kworker/0:019:15:030
73793399335334,1cyclictest792942-21kworker/0:223:39:020
73793399335334,1cyclictest792942-21kworker/0:200:17:020
73793399335333,1cyclictest792942-21kworker/0:221:37:030
73793399335333,1cyclictest0-21swapper/000:36:020
73793399334333,1cyclictest792942-21kworker/0:222:27:020
73793399334333,1cyclictest0-21swapper/022:55:030
73793399334333,1cyclictest0-21swapper/022:40:020
73793399334333,1cyclictest0-21swapper/021:54:020
73793399334332,1cyclictest792942-21kworker/0:223:20:030
73793399334332,1cyclictest792942-21kworker/0:221:34:020
73793399334332,1cyclictest0-21swapper/023:02:020
73793399333332,1cyclictest948269-21kworker/0:020:35:020
73793399333332,1cyclictest792942-21kworker/0:221:21:020
73793399333332,1cyclictest0-21swapper/023:06:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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