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2026-08-27 - 08:44
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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 Thu Aug 27, 2026 01:02:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30972992621,249cyclictest0-21swapper/3821:49:4732
30972992621,249cyclictest0-21swapper/3821:49:4732
30972992451,236cyclictest0-21swapper/3823:51:1532
30972992451,236cyclictest0-21swapper/3823:51:1532
30972992451,236cyclictest0-21swapper/3823:51:1532
30972992420,233cyclictest0-21swapper/3822:17:0232
30972992420,233cyclictest0-21swapper/3822:17:0232
30972992411,230cyclictest0-21swapper/3820:20:2332
30972992411,225cyclictest0-21swapper/3821:55:1232
30972992411,225cyclictest0-21swapper/3821:55:1232
30972992390,230cyclictest0-21swapper/3800:06:1932
30972992390,230cyclictest0-21swapper/3800:06:1932
30972992380,235cyclictest14409-21cpuspeed_turbos19:25:1232
30972992370,226cyclictest0-21swapper/3820:55:2832
30972992370,226cyclictest0-21swapper/3820:55:2832
30972992361,226cyclictest0-21swapper/3821:12:3632
30972992361,226cyclictest0-21swapper/3821:12:3632
30972992340,225cyclictest0-21swapper/3823:23:0132
30972992340,225cyclictest0-21swapper/3823:23:0132
30972992331,228cyclictest25903-21kill00:02:3132
30972992331,228cyclictest25903-21kill00:02:3132
30972992331,228cyclictest25903-21kill00:02:3032
30972992330,223cyclictest1358-21ModemManager21:18:4532
30972992330,223cyclictest1358-21ModemManager21:18:4532
30972992330,223cyclictest1358-21ModemManager21:18:4532
30972992321,224cyclictest0-21swapper/3821:43:3932
30972992321,224cyclictest0-21swapper/3821:43:3932
30972992321,222cyclictest0-21swapper/3820:26:0932
30972992320,229cyclictest0-21swapper/3800:31:2032
30972992320,229cyclictest0-21swapper/3800:31:2032
30972992320,229cyclictest0-21swapper/3800:31:2032
30972992301,221cyclictest755-21systemd-journal00:12:3432
30972992301,221cyclictest755-21systemd-journal00:12:3432
30972992301,221cyclictest755-21systemd-journal00:12:3432
3094099229178,35cyclictest0-21swapper/1220:20:444
30972992281,219cyclictest0-21swapper/3822:20:2732
30972992281,219cyclictest0-21swapper/3822:20:2732
30972992271,217cyclictest0-21swapper/3823:55:3132
30972992271,217cyclictest0-21swapper/3823:55:3132
30972992250,221cyclictest0-21swapper/3819:35:1232
30972992250,221cyclictest0-21swapper/3819:35:1232
30972992241,220cyclictest0-21swapper/3820:10:1832
30972992241,220cyclictest0-21swapper/3820:10:1732
30972992241,211cyclictest0-21swapper/3800:25:2032
30972992241,211cyclictest0-21swapper/3800:25:2032
30972992230,217cyclictest0-21swapper/3823:43:3032
30972992230,217cyclictest0-21swapper/3823:43:3032
30972992230,217cyclictest0-21swapper/3823:43:2932
30972992221,218cyclictest0-21swapper/3823:16:4632
30972992221,218cyclictest0-21swapper/3823:16:4632
30972992221,218cyclictest0-21swapper/3821:35:1732
30972992221,218cyclictest0-21swapper/3821:35:1732
30972992211,217cyclictest0-21swapper/3822:13:2532
30972992211,217cyclictest0-21swapper/3822:13:2532
30972992211,217cyclictest0-21swapper/3822:13:2532
30972992211,217cyclictest0-21swapper/3820:35:1832
30972992211,217cyclictest0-21swapper/3820:35:1832
30972992210,216cyclictest37802-21sshd23:07:5732
30972992210,216cyclictest37802-21sshd23:07:5732
30972992201,214cyclictest0-21swapper/3823:47:5032
30972992201,214cyclictest0-21swapper/3823:47:5032
30972992201,209cyclictest0-21swapper/3800:20:0132
30972992201,209cyclictest0-21swapper/3800:20:0132
30972992200,217cyclictest0-21swapper/3821:51:1432
30972992200,217cyclictest0-21swapper/3821:51:1432
30972992200,217cyclictest0-21swapper/3821:51:1332
30972992191,212cyclictest0-21swapper/3800:20:1332
30972992191,212cyclictest0-21swapper/3800:20:1332
30972992191,212cyclictest0-21swapper/3800:20:1232
309729921827,188cyclictest0-21swapper/3823:25:1832
309729921827,188cyclictest0-21swapper/3823:25:1832
309729921827,188cyclictest0-21swapper/3823:25:1832
30972992181,204cyclictest0-21swapper/3822:05:1432
30972992181,204cyclictest0-21swapper/3822:05:1432
30972992170,214cyclictest0-21swapper/3821:20:3932
30972992170,214cyclictest0-21swapper/3821:20:3932
30972992160,210cyclictest0-21swapper/3820:48:3332
30972992160,210cyclictest0-21swapper/3820:48:3332
30972992151,211cyclictest0-21swapper/3822:38:1132
30972992151,211cyclictest0-21swapper/3822:38:1032
30972992150,204cyclictest0-21swapper/3822:26:5732
30972992150,204cyclictest0-21swapper/3822:26:5732
30972992141,210cyclictest0-21swapper/3822:51:5932
30972992141,210cyclictest0-21swapper/3822:51:5932
30972992141,210cyclictest0-21swapper/3822:51:5832
30972992140,205cyclictest0-21swapper/3800:36:4532
30972992140,205cyclictest0-21swapper/3800:36:4432
30972992131,209cyclictest0-21swapper/3822:02:5232
30972992131,209cyclictest0-21swapper/3822:02:5232
30972992131,209cyclictest0-21swapper/3821:31:2332
30972992131,209cyclictest0-21swapper/3821:31:2332
30972992131,209cyclictest0-21swapper/3821:29:2932
30972992131,209cyclictest0-21swapper/3821:29:2832
30972992131,204cyclictest0-21swapper/3820:00:1832
30972992131,204cyclictest0-21swapper/3820:00:1832
30972992121,202cyclictest0-21swapper/3820:55:0132
30972992121,202cyclictest0-21swapper/3820:55:0132
30972992120,208cyclictest0-21swapper/3820:15:2332
30972992111,207cyclictest1430-21polkitd22:35:0532
30972992111,207cyclictest1430-21polkitd22:35:0432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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