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2026-01-01 - 06:58
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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 Jan 01, 2026 01:00:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298999207158,46cyclictest0-21swapper/3623:31:4930
298999207158,46cyclictest0-21swapper/3623:31:4930
295199190179,4cyclictest0-21swapper/420:25:0434
296999189127,51cyclictest4407-21CPU13
296999189127,51cyclictest4407-21CPU13
296999189127,51cyclictest4407-21CPU13
294799188164,11cyclictest0-21swapper/022:53:140
294799188164,11cyclictest0-21swapper/022:53:140
294799181170,9cyclictest0-21swapper/000:01:540
294799181170,9cyclictest0-21swapper/000:01:540
294799181170,9cyclictest0-21swapper/000:01:540
294999180110,66cyclictest0-21swapper/221:53:5412
294999180110,66cyclictest0-21swapper/221:53:5412
294999180110,66cyclictest0-21swapper/221:53:5412
294799180176,2cyclictest0-21swapper/022:26:550
294799180176,2cyclictest0-21swapper/022:26:550
296399179176,2cyclictest0-21swapper/1422:34:226
296399179176,2cyclictest0-21swapper/1422:34:226
295199179170,8cyclictest0-21swapper/422:58:4834
295199179170,8cyclictest0-21swapper/422:58:4834
295199179167,9cyclictest0-21swapper/422:01:3134
295199179167,9cyclictest0-21swapper/422:01:3134
299299178165,11cyclictest0-21swapper/3923:08:4933
299299178165,11cyclictest0-21swapper/3923:08:4933
299299178165,11cyclictest0-21swapper/3923:08:4933
294799178119,55cyclictest4407-21CPU0
294799178119,55cyclictest4407-21CPU0
296999177114,57cyclictest0-21swapper/2022:35:1913
296999177114,57cyclictest0-21swapper/2022:35:1913
299299176128,27cyclictest3544-21CPU33
299299176128,27cyclictest3544-21CPU33
294799175149,22cyclictest3545-21CPU0
294799175149,22cyclictest3545-21CPU0
294799175149,22cyclictest3545-21CPU0
299299174112,25cyclictest0-21swapper/3922:29:0533
299299174112,25cyclictest0-21swapper/3922:29:0533
299299173121,12cyclictest0-21swapper/3921:17:5533
299299173121,12cyclictest0-21swapper/3921:17:5533
296999173141,14cyclictest171rcu_preempt22:06:2313
296999173141,14cyclictest171rcu_preempt22:06:2313
296999173141,14cyclictest171rcu_preempt22:06:2213
296899173155,11cyclictest0-21swapper/1922:04:1411
296899173155,11cyclictest0-21swapper/1922:04:1411
295199173123,28cyclictest0-21swapper/400:15:3634
295199173123,28cyclictest0-21swapper/400:15:3634
295199172161,5cyclictest11508-21sshd21:47:4934
295199172161,5cyclictest11508-21sshd21:47:4934
295199172161,5cyclictest11508-21sshd21:47:4934
295199172129,23cyclictest0-21swapper/422:31:1434
295199172129,23cyclictest0-21swapper/422:31:1434
295199172124,21cyclictest0-21swapper/423:19:3534
295199172124,21cyclictest0-21swapper/423:19:3534
295199172124,21cyclictest0-21swapper/423:19:3534
299299171163,7cyclictest0-21swapper/3900:13:0033
299299171163,7cyclictest0-21swapper/3900:13:0033
299299171142,12cyclictest171rcu_preempt21:59:4133
299299171142,12cyclictest171rcu_preempt21:59:4133
299299171142,12cyclictest171rcu_preempt21:59:4133
299199171123,43cyclictest37265-21CPU32
299199171123,43cyclictest37265-21CPU32
29899917155,112cyclictest0-21swapper/3621:30:1630
29899917155,112cyclictest0-21swapper/3621:30:1630
29899917155,112cyclictest0-21swapper/3621:30:1630
296999171114,29cyclictest3542-21CPU13
296999171114,29cyclictest3542-21CPU13
296999171114,29cyclictest3542-21CPU13
295599171161,7cyclictest24976-21systemd23:31:2238
295599171161,7cyclictest24976-21systemd23:31:2238
295199171161,8cyclictest0-21swapper/422:24:5434
295199171161,8cyclictest0-21swapper/422:24:5434
299299170154,14cyclictest0-21swapper/3900:09:3833
299299170154,14cyclictest0-21swapper/3900:09:3833
299299170138,13cyclictest171rcu_preempt23:54:2733
299299170138,13cyclictest171rcu_preempt23:54:2733
296799170135,27cyclictest0-21swapper/1821:47:4010
296799170135,27cyclictest0-21swapper/1821:47:4010
296799170135,27cyclictest0-21swapper/1821:47:4010
295999170112,28cyclictest0-21swapper/1021:56:242
295999170112,28cyclictest0-21swapper/1021:56:242
295999170112,28cyclictest0-21swapper/1021:56:242
295199170151,7cyclictest37346-21qemu-system-x8600:07:3934
295199170151,7cyclictest37346-21qemu-system-x8600:07:3934
2949991701,165cyclictest0-21swapper/221:30:1512
2949991701,165cyclictest0-21swapper/221:30:1512
2949991701,165cyclictest0-21swapper/221:30:1512
299299169152,10cyclictest171rcu_preempt00:24:1033
299299169152,10cyclictest171rcu_preempt00:24:1033
299299169152,10cyclictest171rcu_preempt00:24:1033
299299169151,9cyclictest0-21swapper/3922:36:4633
299299169151,9cyclictest0-21swapper/3922:36:4633
298999169143,18cyclictest0-21swapper/3622:10:1130
298999169143,18cyclictest0-21swapper/3622:10:1030
298999169143,18cyclictest0-21swapper/3622:10:1030
296999169161,6cyclictest0-21swapper/2020:30:3613
295799169153,13cyclictest0-21swapper/922:40:3939
295799169153,13cyclictest0-21swapper/922:40:3939
295799169153,13cyclictest0-21swapper/922:40:3939
294999169129,37cyclictest0-21swapper/222:36:4112
294999169129,37cyclictest0-21swapper/222:36:4112
294799169117,41cyclictest3542-21CPU0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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