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2026-08-23 - 02:51
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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 rack6slot0.osadl.org (updated Sun Aug 23, 2026 01:02:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9805992560,253cyclictest31817-21systemd23:41:0436
9805992560,253cyclictest31817-21systemd23:41:0436
9805992560,253cyclictest31817-21systemd23:41:0436
9805992521,246cyclictest0-21swapper/622:35:1336
9805992521,246cyclictest0-21swapper/622:35:1336
9805992451,241cyclictest0-21swapper/600:03:1636
9805992451,241cyclictest0-21swapper/600:03:1636
9805992431,240cyclictest0-21swapper/600:26:4836
9805992431,240cyclictest0-21swapper/600:26:4836
9805992430,2cyclictest0-21swapper/623:45:2136
9805992430,2cyclictest0-21swapper/623:45:2136
9805992430,2cyclictest0-21swapper/623:45:2136
9805992421,238cyclictest0-21swapper/622:43:5036
9805992421,238cyclictest0-21swapper/622:43:5036
9805992421,238cyclictest0-21swapper/622:43:5036
9805992411,236cyclictest32783-21sshd23:20:1636
9805992411,236cyclictest32783-21sshd23:20:1636
9805992411,236cyclictest32783-21sshd23:20:1636
9805992401,235cyclictest0-21swapper/620:30:1236
9805992391,235cyclictest0-21swapper/622:10:1936
9805992391,235cyclictest0-21swapper/622:10:1936
9805992371,232cyclictest0-21swapper/600:16:1936
9805992371,232cyclictest0-21swapper/600:16:1936
9805992361,232cyclictest0-21swapper/622:00:5536
9805992361,232cyclictest0-21swapper/622:00:5536
9805992351,231cyclictest25834-21run-parts21:38:3336
9805992351,231cyclictest25834-21run-parts21:38:3336
9805992351,228cyclictest0-21swapper/623:00:1436
9805992351,228cyclictest0-21swapper/623:00:1436
9805992341,230cyclictest0-21swapper/600:05:3736
9805992341,230cyclictest0-21swapper/600:05:3736
9805992321,229cyclictest0-21swapper/621:43:0336
9805992321,229cyclictest0-21swapper/621:43:0236
9805992321,228cyclictest0-21swapper/623:38:5536
9805992321,228cyclictest0-21swapper/623:38:5536
9805992321,228cyclictest0-21swapper/623:38:5536
9805992311,228cyclictest2107-21sshd22:53:1636
9805992311,228cyclictest2107-21sshd22:53:1636
9805992311,227cyclictest755-21systemd-journal21:54:2436
9805992311,227cyclictest755-21systemd-journal21:54:2436
9805992302,224cyclictest2447-21CPU36
9805992302,224cyclictest2447-21CPU36
9805992301,2cyclictest0-21swapper/622:47:1536
9805992301,2cyclictest0-21swapper/622:47:1536
9805992301,226cyclictest0-21swapper/621:20:0136
9805992301,226cyclictest0-21swapper/621:20:0136
9805992301,226cyclictest0-21swapper/600:23:5636
9805992301,226cyclictest0-21swapper/600:23:5636
9805992301,223cyclictest0-21swapper/621:45:1436
9805992301,223cyclictest0-21swapper/621:45:1436
9805992291,225cyclictest0-21swapper/623:54:1636
9805992291,225cyclictest0-21swapper/623:54:1636
9805992291,225cyclictest0-21swapper/623:54:1536
9805992291,225cyclictest0-21swapper/622:30:2836
9805992291,225cyclictest0-21swapper/622:30:2836
9805992290,2cyclictest0-21swapper/620:01:0036
9805992290,2cyclictest0-21swapper/620:01:0036
9805992281,223cyclictest0-21swapper/622:21:5836
9805992281,223cyclictest0-21swapper/622:21:5836
9805992281,223cyclictest0-21swapper/622:21:5736
9805992280,216cyclictest37257-21qemu-system-x8620:18:4436
9805992280,216cyclictest37257-21qemu-system-x8620:18:4436
9805992272,221cyclictest2464-21CPU36
9805992272,221cyclictest2464-21CPU36
9805992271,2cyclictest0-21swapper/620:45:4236
9805992271,2cyclictest0-21swapper/620:45:4136
9805992271,223cyclictest0-21swapper/619:40:2036
9805992271,223cyclictest0-21swapper/619:40:2036
9805992271,221cyclictest17483-21nfsd00:12:1736
9805992271,221cyclictest17483-21nfsd00:12:1736
9805992270,2cyclictest0-21swapper/619:54:2236
9805992270,2cyclictest0-21swapper/619:54:2236
9805992261,222cyclictest0-21swapper/622:05:2136
9805992261,222cyclictest0-21swapper/622:05:2136
9805992261,221cyclictest0-21swapper/623:09:2936
9805992261,221cyclictest0-21swapper/623:09:2936
9805992261,221cyclictest0-21swapper/623:09:2936
9805992251,221cyclictest0-21swapper/621:00:2036
9805992251,221cyclictest0-21swapper/621:00:2036
9805992251,220cyclictest37358-21CPU36
9805992251,220cyclictest37358-21CPU36
9805992251,220cyclictest0-21swapper/622:55:2036
9805992251,220cyclictest0-21swapper/622:55:2036
9805992250,2cyclictest0-21swapper/623:26:5936
9805992250,2cyclictest0-21swapper/623:26:5936
9805992250,216cyclictest0-21swapper/600:35:1336
9805992250,216cyclictest0-21swapper/600:35:1336
9805992241,220cyclictest0-21swapper/623:10:2436
9805992241,220cyclictest0-21swapper/623:10:2436
9805992231,213cyclictest0-21swapper/623:17:4136
9805992231,213cyclictest0-21swapper/623:17:4136
9805992220,218cyclictest1-21systemd21:58:1636
9805992220,218cyclictest1-21systemd21:58:1636
9805992211,217cyclictest0-21swapper/620:35:1336
9805992211,217cyclictest0-21swapper/620:35:1336
9805992211,216cyclictest0-21swapper/621:30:5036
9805992211,216cyclictest0-21swapper/621:30:5036
9805992210,2cyclictest0-21swapper/621:00:0036
9805992210,2cyclictest0-21swapper/621:00:0036
9805992202,213cyclictest3609-21CPU36
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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