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2026-06-08 - 00:21
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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 07, 2026 13:03:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
918499217211,4cyclictest0-21swapper/3912:32:1133
918499217211,4cyclictest0-21swapper/3912:32:1133
918399212206,4cyclictest0-21swapper/3808:47:5832
918399212206,4cyclictest0-21swapper/3808:47:5832
918399205188,4cyclictest0-21swapper/3810:46:2232
918399205188,4cyclictest0-21swapper/3810:46:2232
918399205188,4cyclictest0-21swapper/3810:46:2232
918399204198,4cyclictest0-21swapper/3811:06:5732
918399204198,4cyclictest0-21swapper/3811:06:5732
918399204198,4cyclictest0-21swapper/3811:06:5732
918399203197,4cyclictest0-21swapper/3810:53:1932
918399203197,4cyclictest0-21swapper/3810:53:1832
918399203197,4cyclictest0-21swapper/3810:53:1832
918399202188,9cyclictest3548-21CPU32
918399202188,9cyclictest3548-21CPU32
918399202188,9cyclictest3548-21CPU32
918499200194,4cyclictest0-21swapper/3910:42:2533
918499200194,4cyclictest0-21swapper/3910:42:2433
918399199192,5cyclictest0-21swapper/3812:31:2332
918399199192,5cyclictest0-21swapper/3812:31:2232
918399198190,5cyclictest0-21swapper/3807:50:0132
918399198190,5cyclictest0-21swapper/3807:50:0032
918399197191,4cyclictest0-21swapper/3808:53:2932
918399197191,4cyclictest0-21swapper/3808:53:2932
918399197188,6cyclictest0-21swapper/3812:00:1432
918399197188,6cyclictest0-21swapper/3812:00:1432
918399197188,6cyclictest0-21swapper/3812:00:1332
915799196180,8cyclictest30786-21systemd12:10:137
915799196180,8cyclictest30786-21systemd12:10:127
918399195189,5cyclictest0-21swapper/3808:56:3532
918399195189,5cyclictest0-21swapper/3808:56:3532
918399195188,4cyclictest0-21swapper/3811:14:0332
918399195188,4cyclictest0-21swapper/3811:14:0332
918399195188,4cyclictest0-21swapper/3811:14:0332
918399194189,4cyclictest0-21swapper/3808:20:3032
918399194189,4cyclictest0-21swapper/3808:20:2932
918399194189,4cyclictest0-21swapper/3807:25:2632
918399194189,4cyclictest0-21swapper/3807:25:2632
918399194187,5cyclictest0-21swapper/3808:30:0032
918399194187,5cyclictest0-21swapper/3808:30:0032
918399193190,2cyclictest0-21swapper/3809:23:5832
918399193190,2cyclictest0-21swapper/3809:23:5832
918399193188,4cyclictest0-21swapper/3809:05:2832
918399193188,4cyclictest0-21swapper/3809:05:2832
918399193171,12cyclictest1360-21systemd-logind10:19:5932
918399193171,12cyclictest1360-21systemd-logind10:19:5932
918399193171,12cyclictest1360-21systemd-logind10:19:5932
918399192186,4cyclictest0-21swapper/3811:32:1232
918399192186,4cyclictest0-21swapper/3811:32:1132
915799192152,29cyclictest0-21swapper/1511:27:557
915799192152,29cyclictest0-21swapper/1511:27:557
918499191186,4cyclictest0-21swapper/3908:44:1233
918499191186,4cyclictest0-21swapper/3908:44:1233
918499191185,5cyclictest0-21swapper/3908:24:3633
918499191185,5cyclictest0-21swapper/3908:24:3633
918399191176,12cyclictest0-21swapper/3810:20:1432
918399191176,12cyclictest0-21swapper/3810:20:1432
918499190183,6cyclictest0-21swapper/3908:17:5233
918499190183,6cyclictest0-21swapper/3908:17:5233
918399190173,10cyclictest0-21swapper/3810:40:2032
918399190173,10cyclictest0-21swapper/3810:40:1932
918399189184,4cyclictest0-21swapper/3808:40:5132
918399189184,4cyclictest0-21swapper/3808:40:5132
918399189182,5cyclictest0-21swapper/3811:53:3732
918399189182,5cyclictest0-21swapper/3811:53:3632
918399189182,5cyclictest0-21swapper/3811:53:3632
918399189182,5cyclictest0-21swapper/3809:26:0432
918399189182,5cyclictest0-21swapper/3809:26:0432
918399189179,8cyclictest0-21swapper/3811:03:3532
918399189179,8cyclictest0-21swapper/3811:03:3532
918399189179,8cyclictest0-21swapper/3811:03:3432
915899189168,10cyclictest0-21swapper/1612:16:368
915899189168,10cyclictest0-21swapper/1612:16:368
915899189168,10cyclictest0-21swapper/1612:16:358
915699189177,8cyclictest0-21swapper/1408:58:016
915699189177,8cyclictest0-21swapper/1408:58:016
918499188181,5cyclictest0-21swapper/3908:00:5933
918499188181,5cyclictest0-21swapper/3908:00:5933
918499187182,4cyclictest17484-21nfsd08:37:5433
918499186179,5cyclictest0-21swapper/3909:37:2833
918499186179,5cyclictest0-21swapper/3909:37:2833
918499186179,5cyclictest0-21swapper/3909:37:2833
918399186178,6cyclictest0-21swapper/3808:02:2332
918399186178,6cyclictest0-21swapper/3808:02:2332
918499185179,5cyclictest0-21swapper/3908:07:4233
918499185179,5cyclictest0-21swapper/3908:07:4133
918399185180,4cyclictest0-21swapper/3809:56:5732
918399185180,4cyclictest0-21swapper/3809:56:5632
918399185180,4cyclictest0-21swapper/3809:56:5632
918399185177,6cyclictest0-21swapper/3811:55:1232
918399185177,6cyclictest0-21swapper/3811:55:1232
918399185177,6cyclictest0-21swapper/3811:55:1132
917799185173,7cyclictest0-21swapper/3210:50:3926
917799185173,7cyclictest0-21swapper/3210:50:3926
917799185173,7cyclictest0-21swapper/3210:50:3926
915699185177,7cyclictest0-21swapper/1412:39:186
915699185177,7cyclictest0-21swapper/1412:39:176
918499184177,6cyclictest0-21swapper/3909:41:5533
918499184177,6cyclictest0-21swapper/3909:41:5533
918499184171,11cyclictest0-21swapper/3908:10:2133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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