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2026-09-15 - 03:19
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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 Tue Sep 15, 2026 01:01:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3448899228224,2cyclictest0-21swapper/2819:30:1621
3448899228224,2cyclictest0-21swapper/2819:30:1521
3447999226217,7cyclictest0-21swapper/2023:42:2613
3447999226217,7cyclictest0-21swapper/2023:42:2613
3447999223214,6cyclictest0-21swapper/2023:55:2613
3447999223214,6cyclictest0-21swapper/2023:55:2513
3447999223214,6cyclictest0-21swapper/2023:55:2513
3447999220213,5cyclictest37411-21rm23:52:2213
3447999220213,5cyclictest37411-21rm23:52:2213
3447999220209,6cyclictest3542-21CPU13
3447999220209,6cyclictest3542-21CPU13
3450099218212,4cyclictest0-21swapper/3822:21:5132
3450099218212,4cyclictest0-21swapper/3822:21:5132
3447999217211,4cyclictest0-21swapper/2023:49:5513
3447999217211,4cyclictest0-21swapper/2023:49:5513
3447999217211,4cyclictest0-21swapper/2023:49:5413
3450099213208,4cyclictest0-21swapper/3822:25:1632
3450099213208,4cyclictest0-21swapper/3822:25:1532
3450099213208,4cyclictest0-21swapper/3822:25:1532
3450099213205,6cyclictest0-21swapper/3820:00:2032
3450099213205,6cyclictest0-21swapper/3820:00:1932
3448099213208,4cyclictest0-21swapper/2123:21:1514
3448099213208,4cyclictest0-21swapper/2123:21:1514
3448099212208,2cyclictest0-21swapper/2121:32:4414
3448099212208,2cyclictest0-21swapper/2121:32:4314
3448099212208,2cyclictest0-21swapper/2121:32:4314
3447999210204,4cyclictest0-21swapper/2019:20:2413
3447999210203,4cyclictest2461-21CPU13
3447999210203,4cyclictest2461-21CPU13
3447999209203,5cyclictest0-21swapper/2022:05:5013
3447999209203,5cyclictest0-21swapper/2022:05:5013
3447999209203,3cyclictest2454-21CPU13
3447999209203,3cyclictest2454-21CPU13
3447999209202,5cyclictest0-21swapper/2021:20:2113
3447999209202,5cyclictest0-21swapper/2021:20:2113
3447999209202,5cyclictest0-21swapper/2021:20:2013
3447999209201,6cyclictest0-21swapper/2021:28:1813
3447999209201,6cyclictest0-21swapper/2021:28:1813
3447999209201,6cyclictest0-21swapper/2021:28:1713
3448099207199,5cyclictest30782-21libvirt-ifstat21:00:2614
3448099207199,5cyclictest30782-21libvirt-ifstat21:00:2614
3447999207202,4cyclictest0-21swapper/2021:48:2313
3447999207202,4cyclictest0-21swapper/2021:48:2313
3447999207198,5cyclictest2464-21CPU13
3447999207198,5cyclictest2464-21CPU13
3447999207193,12cyclictest0-21swapper/2023:31:5313
3447999207193,12cyclictest0-21swapper/2023:31:5213
3447999206200,4cyclictest0-21swapper/2021:37:2513
3447999206200,4cyclictest0-21swapper/2021:37:2513
3448099205166,36cyclictest37265-21CPU14
3448099205166,36cyclictest37265-21CPU14
3447999205197,5cyclictest0-21swapper/2022:01:1713
3447999205197,5cyclictest0-21swapper/2022:01:1713
3447999205197,5cyclictest0-21swapper/2022:01:1613
3447999204199,4cyclictest0-21swapper/2023:14:5313
3447999204199,4cyclictest0-21swapper/2023:14:5313
3447999204199,4cyclictest0-21swapper/2023:14:5313
3447999204198,4cyclictest0-21swapper/2022:11:0213
3447999204198,4cyclictest0-21swapper/2022:11:0213
3446799204199,4cyclictest0-21swapper/1022:46:012
3446799204199,4cyclictest0-21swapper/1022:46:012
3448099203196,5cyclictest1430-21polkitd21:10:0814
3448099203196,5cyclictest1430-21polkitd21:10:0814
3448099203196,5cyclictest1430-21polkitd21:10:0814
3446799202195,4cyclictest3542-21CPU2
3446799202195,4cyclictest3542-21CPU2
3450099201195,4cyclictest0-21swapper/3820:33:3732
3450099201195,4cyclictest0-21swapper/3820:33:3732
3447999201193,5cyclictest0-21swapper/2021:50:1713
3447999201193,5cyclictest0-21swapper/2021:50:1613
3447299201168,18cyclictest0-21swapper/1321:02:315
3447299201168,18cyclictest0-21swapper/1321:02:315
3447399200194,4cyclictest0-21swapper/1419:41:356
3447399200194,4cyclictest0-21swapper/1419:41:356
3448099199158,36cyclictest37265-21CPU14
3448099199158,36cyclictest37265-21CPU14
3447999199194,4cyclictest0-21swapper/2023:37:3913
3447999199194,4cyclictest0-21swapper/2023:37:3913
3447999199194,4cyclictest0-21swapper/2023:37:3913
3446999198192,4cyclictest0-21swapper/1119:27:463
3448099197192,4cyclictest0-21swapper/2121:15:3514
3448099197192,4cyclictest0-21swapper/2121:15:3514
3448099197190,5cyclictest0-21swapper/2119:16:2514
3447999197191,4cyclictest0-21swapper/2021:11:3013
3447999197191,4cyclictest0-21swapper/2021:11:3013
3447999197191,4cyclictest0-21swapper/2021:11:3013
3447999197188,7cyclictest0-21swapper/2021:19:3013
3447999197188,7cyclictest0-21swapper/2021:19:2913
3447999197187,8cyclictest0-21swapper/2019:50:0113
3447999197187,8cyclictest0-21swapper/2019:50:0013
3446999197192,4cyclictest0-21swapper/1120:21:053
3450099196191,4cyclictest0-21swapper/3820:42:0532
3450099196191,4cyclictest0-21swapper/3820:42:0432
3448099196178,9cyclictest0-21swapper/2121:55:3214
3448099196178,9cyclictest0-21swapper/2121:55:3214
3448099196178,9cyclictest0-21swapper/2121:55:3114
3447999196192,2cyclictest0-21swapper/2020:25:0013
3447999196190,4cyclictest0-21swapper/2020:41:1113
3447999196190,4cyclictest0-21swapper/2020:41:1113
3446999196192,2cyclictest0-21swapper/1120:57:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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