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2026-06-21 - 16:52
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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 Jun 21, 2026 13:02:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25163992460,2cyclictest0-21swapper/3810:18:5532
25163992460,2cyclictest0-21swapper/3810:18:5432
25163992430,2cyclictest0-21swapper/3809:59:4632
25163992430,2cyclictest0-21swapper/3809:59:4532
25163992430,2cyclictest0-21swapper/3809:59:4532
25163992381,233cyclictest0-21swapper/3810:03:0132
25163992381,233cyclictest0-21swapper/3810:03:0032
25163992381,233cyclictest0-21swapper/3810:03:0032
25163992380,2cyclictest0-21swapper/3810:10:1432
25163992380,2cyclictest0-21swapper/3810:10:1332
25163992380,2cyclictest0-21swapper/3810:10:1332
25163992371,4cyclictest0-21swapper/3811:25:1732
25163992371,4cyclictest0-21swapper/3811:25:1632
25163992371,4cyclictest0-21swapper/3811:25:1632
25163992371,2cyclictest0-21swapper/3810:54:5732
25163992371,2cyclictest0-21swapper/3810:54:5632
25163992371,233cyclictest0-21swapper/3810:25:1732
25163992371,233cyclictest0-21swapper/3810:25:1632
25163992371,233cyclictest0-21swapper/3810:25:1632
25163992361,231cyclictest0-21swapper/3811:52:2432
25163992361,231cyclictest0-21swapper/3811:52:2432
25163992351,231cyclictest0-21swapper/3809:45:1332
25163992351,231cyclictest0-21swapper/3809:45:1332
25163992343,223cyclictest37356-21CPU32
25163992321,227cyclictest0-21swapper/3811:55:1832
25163992321,227cyclictest0-21swapper/3811:55:1732
25163992320,4cyclictest1-21systemd10:06:1632
25163992320,4cyclictest1-21systemd10:06:1632
25163992320,4cyclictest1-21systemd10:06:1532
25163992320,2cyclictest0-21swapper/3809:20:0832
25163992320,2cyclictest0-21swapper/3809:20:0832
25163992311,226cyclictest0-21swapper/3809:10:3632
25163992311,226cyclictest0-21swapper/3809:10:3632
25163992311,226cyclictest0-21swapper/3809:10:3532
25163992311,216cyclictest0-21swapper/3810:39:3032
25163992311,216cyclictest0-21swapper/3810:39:2932
25163992290,2cyclictest0-21swapper/3811:40:0332
25163992290,2cyclictest0-21swapper/3811:40:0232
25163992290,2cyclictest0-21swapper/3810:20:4732
25163992290,2cyclictest0-21swapper/3810:20:4632
25163992281,2cyclictest0-21swapper/3809:19:0232
25163992281,2cyclictest0-21swapper/3809:19:0132
25163992280,2cyclictest0-21swapper/3811:47:3832
25163992280,2cyclictest0-21swapper/3811:47:3832
25163992280,2cyclictest0-21swapper/3811:47:3732
25163992261,2cyclictest0-21swapper/3811:40:1332
25163992261,2cyclictest0-21swapper/3811:40:1232
25163992261,2cyclictest0-21swapper/3811:40:1232
25163992251,2cyclictest0-21swapper/3811:20:2232
25163992251,2cyclictest0-21swapper/3811:20:2232
25163992241,219cyclictest0-21swapper/3812:38:3132
25163992241,219cyclictest0-21swapper/3812:38:3032
25163992240,2cyclictest0-21swapper/3807:20:3332
25163992240,2cyclictest0-21swapper/3807:20:3332
2511899224217,2cyclictest0-21swapper/011:38:290
2511899224217,2cyclictest0-21swapper/011:38:290
25163992231,2cyclictest0-21swapper/3810:55:1332
25163992231,2cyclictest0-21swapper/3810:55:1332
25163992231,2cyclictest0-21swapper/3810:55:1232
25163992231,219cyclictest0-21swapper/3812:31:2532
25163992231,219cyclictest0-21swapper/3812:31:2432
25163992221,2cyclictest0-21swapper/3807:45:1132
25163992221,2cyclictest0-21swapper/3807:45:1132
25163992221,218cyclictest0-21swapper/3810:30:1332
25163992221,218cyclictest0-21swapper/3810:30:1332
25163992211,3cyclictest9904-21sshd11:15:3532
25163992211,3cyclictest9904-21sshd11:15:3432
25163992211,3cyclictest9904-21sshd11:15:3432
25163992211,3cyclictest9904-21sshd11:15:3432
25163992211,2cyclictest0-21swapper/3812:10:1632
25163992211,2cyclictest0-21swapper/3812:10:1632
25163992211,2cyclictest0-21swapper/3812:10:1532
25163992211,2cyclictest0-21swapper/3810:40:2232
25163992211,2cyclictest0-21swapper/3810:40:2132
25163992211,217cyclictest0-21swapper/3812:15:2432
25163992211,217cyclictest0-21swapper/3812:15:2332
25163992211,217cyclictest0-21swapper/3809:32:3732
25163992211,217cyclictest0-21swapper/3809:32:3632
25163992211,217cyclictest0-21swapper/3809:32:3632
25163992211,216cyclictest0-21swapper/3808:25:1432
25163992201,216cyclictest0-21swapper/3809:50:5732
25163992201,216cyclictest0-21swapper/3809:50:5632
25163992200,2cyclictest0-21swapper/3810:45:4332
25163992200,2cyclictest0-21swapper/3810:45:4332
25163992200,2cyclictest0-21swapper/3810:45:4232
25163992181,2cyclictest0-21swapper/3812:00:5932
25163992181,2cyclictest0-21swapper/3812:00:5832
25163992181,209cyclictest0-21swapper/3811:00:1632
25163992181,209cyclictest0-21swapper/3811:00:1632
25163992181,209cyclictest0-21swapper/3811:00:1532
25163992171,210cyclictest0-21swapper/3809:28:1132
25163992171,210cyclictest0-21swapper/3809:28:1032
25163992161,3cyclictest755-21systemd-journal12:08:4732
25163992161,3cyclictest755-21systemd-journal12:08:4632
25163992161,2cyclictest0-21swapper/3808:35:1332
25163992161,2cyclictest0-21swapper/3808:35:1332
25163992161,2cyclictest0-21swapper/3808:35:1232
25163992161,208cyclictest0-21swapper/3812:29:3532
25163992161,208cyclictest0-21swapper/3812:29:3532
25163992161,208cyclictest0-21swapper/3812:29:3432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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