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2026-03-14 - 09:20
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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 Sat Mar 14, 2026 01:02:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22279992401,236cyclictest0-21swapper/921:47:2639
22279992401,236cyclictest0-21swapper/921:47:2639
22279992401,236cyclictest0-21swapper/921:47:2639
22279992391,232cyclictest0-21swapper/923:28:1739
22279992391,232cyclictest0-21swapper/923:28:1739
22279992382,231cyclictest2456-21CPU39
22279992382,231cyclictest2456-21CPU39
22279992382,231cyclictest2456-21CPU39
22279992371,233cyclictest0-21swapper/921:44:3839
22279992371,233cyclictest0-21swapper/921:44:3739
22279992371,233cyclictest0-21swapper/921:44:3739
22279992361,230cyclictest0-21swapper/921:39:3939
22279992361,230cyclictest0-21swapper/921:39:3939
22279992332,221cyclictest2447-21CPU39
22279992332,221cyclictest2447-21CPU39
22279992332,221cyclictest2447-21CPU39
22279992331,223cyclictest0-21swapper/900:18:4339
22279992331,223cyclictest0-21swapper/900:18:4239
22279992331,223cyclictest0-21swapper/900:18:4239
22279992312,222cyclictest3546-21CPU39
22279992312,222cyclictest3546-21CPU39
22279992291,221cyclictest0-21swapper/921:18:1839
22279992291,221cyclictest0-21swapper/921:18:1839
22279992281,216cyclictest0-21swapper/900:09:0739
22279992281,216cyclictest0-21swapper/900:09:0639
22279992271,223cyclictest0-21swapper/921:24:5039
22279992271,223cyclictest0-21swapper/921:24:5039
22279992271,223cyclictest0-21swapper/921:24:4939
22279992271,222cyclictest28346-21systemd22:24:2439
22279992271,222cyclictest28346-21systemd22:24:2439
22279992261,220cyclictest0-21swapper/919:40:1839
22279992251,220cyclictest0-21swapper/923:55:1939
22279992251,220cyclictest0-21swapper/923:55:1939
22279992251,220cyclictest0-21swapper/923:55:1939
22279992231,218cyclictest0-21swapper/921:27:0939
22279992231,218cyclictest0-21swapper/921:27:0839
22279992230,2cyclictest0-21swapper/922:43:4239
22279992230,2cyclictest0-21swapper/922:43:4139
22279992230,2cyclictest0-21swapper/919:20:2539
22279992230,2cyclictest0-21swapper/919:20:2539
22279992221,217cyclictest1367-21dbus-daemon21:52:4439
22279992221,217cyclictest1367-21dbus-daemon21:52:4439
22279992221,216cyclictest0-21swapper/923:35:1839
22279992221,216cyclictest0-21swapper/923:35:1839
22279992221,216cyclictest0-21swapper/923:35:1739
22279992201,216cyclictest0-21swapper/921:32:1039
22279992201,216cyclictest0-21swapper/921:32:1039
2227399220206,8cyclictest0-21swapper/500:31:4335
2227399220206,8cyclictest0-21swapper/500:31:4335
2227399220206,8cyclictest0-21swapper/500:31:4235
22279992192,212cyclictest2454-21CPU39
22279992192,212cyclictest2454-21CPU39
22279992192,212cyclictest2454-21CPU39
22279992191,215cyclictest0-21swapper/922:00:1739
22279992191,215cyclictest0-21swapper/922:00:1739
22279992191,215cyclictest0-21swapper/919:35:1339
22279992190,2cyclictest0-21swapper/923:10:4939
22279992190,2cyclictest0-21swapper/923:10:4939
22279992181,214cyclictest0-21swapper/900:20:5439
22279992181,214cyclictest0-21swapper/900:20:5439
22279992181,214cyclictest0-21swapper/900:20:5339
22279992181,214cyclictest0-21swapper/900:00:1939
22279992181,214cyclictest0-21swapper/900:00:1939
22279992180,2cyclictest0-21swapper/923:08:3139
22279992180,2cyclictest0-21swapper/923:08:3139
22279992180,2cyclictest0-21swapper/923:08:3139
22279992171,212cyclictest0-21swapper/921:10:2039
22279992171,212cyclictest0-21swapper/921:10:2039
22279992161,212cyclictest0-21swapper/923:48:1939
22279992161,212cyclictest0-21swapper/923:48:1939
22279992151,211cyclictest0-21swapper/900:11:3839
22279992151,211cyclictest0-21swapper/900:11:3739
22279992151,211cyclictest0-21swapper/900:11:3739
22279992150,2cyclictest0-21swapper/921:07:3239
22279992150,2cyclictest0-21swapper/921:07:3239
22279992150,2cyclictest0-21swapper/919:25:2439
22279992150,2cyclictest0-21swapper/919:25:2439
22279992150,213cyclictest0-21swapper/900:29:4139
22279992150,213cyclictest0-21swapper/900:29:4039
22279992150,213cyclictest0-21swapper/900:29:4039
22279992141,210cyclictest0-21swapper/922:33:1339
22279992141,210cyclictest0-21swapper/922:33:1339
22279992141,209cyclictest0-21swapper/920:45:1839
22279992141,209cyclictest0-21swapper/920:45:1839
22279992140,2cyclictest0-21swapper/923:19:2039
22279992140,2cyclictest0-21swapper/923:19:2039
22279992130,2cyclictest0-21swapper/920:35:1539
22279992130,2cyclictest0-21swapper/900:37:5939
22279992130,2cyclictest0-21swapper/900:37:5939
22279992130,2cyclictest0-21swapper/900:37:5839
22279992130,211cyclictest30858-21systemd-cgroups23:42:3639
22279992130,211cyclictest30858-21systemd-cgroups23:42:3639
22279992111,207cyclictest0-21swapper/919:19:4639
22279992111,207cyclictest0-21swapper/919:19:4639
22279992110,2cyclictest0-21swapper/922:55:2239
22279992110,2cyclictest0-21swapper/922:55:2239
22279992100,2cyclictest0-21swapper/921:55:2439
22279992100,2cyclictest0-21swapper/921:55:2439
22279992091,205cyclictest0-21swapper/922:50:0239
22279992091,205cyclictest0-21swapper/922:50:0139
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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