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2026-07-14 - 00:32
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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 Mon Jul 13, 2026 13:02:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2306199237228,4cyclictest3546-21CPU29
2306199237228,4cyclictest3546-21CPU29
2306199237228,4cyclictest3546-21CPU29
2302799221202,7cyclictest0-21swapper/810:57:5238
2302799221202,7cyclictest0-21swapper/810:57:5138
23064992161,3cyclictest0-21swapper/3811:00:0232
23064992161,3cyclictest0-21swapper/3811:00:0232
2305399213200,9cyclictest0-21swapper/2912:25:1722
2305399213200,9cyclictest0-21swapper/2912:25:1722
2305399213200,9cyclictest0-21swapper/2912:25:1722
2302799213200,5cyclictest0-21swapper/809:53:2238
2302799213200,5cyclictest0-21swapper/809:53:2238
2302799213200,5cyclictest0-21swapper/809:53:2138
2305399211204,5cyclictest0-21swapper/2912:18:2922
2305399211204,5cyclictest0-21swapper/2912:18:2822
2305399211204,5cyclictest0-21swapper/2912:18:2822
2303599211202,5cyclictest3545-21CPU4
2303599211202,5cyclictest3545-21CPU4
2305399210204,3cyclictest0-21swapper/2909:35:1722
2305399210204,3cyclictest0-21swapper/2909:35:1622
2305399210203,5cyclictest0-21swapper/2912:00:2022
2305399210203,5cyclictest0-21swapper/2912:00:1922
2305199210205,3cyclictest0-21swapper/2711:00:2820
2305199210205,3cyclictest0-21swapper/2711:00:2820
2305199210205,3cyclictest0-21swapper/2711:00:2720
2305399209189,11cyclictest0-21swapper/2909:20:2322
2305399209189,11cyclictest0-21swapper/2909:20:2222
2302799209203,4cyclictest0-21swapper/809:45:2038
2302799209203,4cyclictest0-21swapper/809:45:2038
2302799209203,4cyclictest0-21swapper/809:45:2038
2302799209201,5cyclictest0-21swapper/809:39:1038
2302799209201,5cyclictest0-21swapper/809:39:1038
2303599208200,6cyclictest0-21swapper/1211:02:434
2303599208200,6cyclictest0-21swapper/1211:02:434
2303599208200,6cyclictest0-21swapper/1211:02:424
2302799208200,5cyclictest0-21swapper/809:40:2038
2302799208200,5cyclictest0-21swapper/809:40:1938
2303799207199,6cyclictest0-21swapper/1411:23:186
2303799207199,6cyclictest0-21swapper/1411:23:186
2303599207201,5cyclictest0-21swapper/1208:25:024
2303599207201,5cyclictest0-21swapper/1208:25:024
2305799206162,40cyclictest37356-21CPU25
2305799206162,40cyclictest37356-21CPU25
2305799206162,40cyclictest37356-21CPU25
2305399206199,4cyclictest0-21swapper/2911:01:0222
2305399206199,4cyclictest0-21swapper/2911:01:0222
2305399206199,4cyclictest0-21swapper/2911:01:0222
2305399205199,4cyclictest0-21swapper/2911:27:5322
2305399205199,4cyclictest0-21swapper/2911:27:5222
2305399205199,4cyclictest0-21swapper/2910:58:3422
2305399205199,4cyclictest0-21swapper/2910:58:3422
2302799205197,5cyclictest0-21swapper/810:27:5838
2302799205197,5cyclictest0-21swapper/810:27:5738
2305399204197,5cyclictest11457-21sshd11:15:2922
2305399204197,5cyclictest11457-21sshd11:15:2922
2302799204195,6cyclictest0-21swapper/809:55:1238
2302799204195,6cyclictest0-21swapper/809:55:1238
2305399203198,4cyclictest0-21swapper/2908:00:2922
2305399203198,4cyclictest0-21swapper/2908:00:2822
2305399203181,7cyclictest0-21swapper/2911:57:4522
2305399203181,7cyclictest0-21swapper/2911:57:4522
2305399202196,4cyclictest0-21swapper/2912:35:2822
2305399202196,4cyclictest0-21swapper/2912:35:2822
2305399202195,5cyclictest0-21swapper/2907:55:3822
2305399202195,5cyclictest0-21swapper/2907:55:3822
2305399202194,4cyclictest4407-21CPU22
2305399202194,4cyclictest4407-21CPU22
2305399202188,11cyclictest0-21swapper/2907:19:2922
2305399202188,11cyclictest0-21swapper/2907:19:2922
2303099202193,5cyclictest3545-21CPU2
2303099202193,5cyclictest3545-21CPU2
2303099202193,5cyclictest3545-21CPU2
2305399201195,4cyclictest0-21swapper/2907:48:1822
2305399201195,4cyclictest0-21swapper/2907:48:1722
2305399200195,3cyclictest0-21swapper/2910:45:2222
2305399200195,3cyclictest0-21swapper/2910:45:2222
2305399200195,3cyclictest0-21swapper/2910:45:2122
2305399200193,5cyclictest0-21swapper/2912:13:2922
2305399200193,5cyclictest0-21swapper/2912:13:2922
2305399200193,5cyclictest0-21swapper/2911:22:5422
2305399200193,5cyclictest0-21swapper/2911:22:5422
2305399200188,9cyclictest1169-21perl07:20:1822
2305399199180,11cyclictest0-21swapper/2910:50:4422
2305399199180,11cyclictest0-21swapper/2910:50:4422
2303799199194,4cyclictest0-21swapper/1412:32:546
2303799199194,4cyclictest0-21swapper/1412:32:546
2303799199192,4cyclictest0-21swapper/1411:26:126
2303799199192,4cyclictest0-21swapper/1411:26:126
2305399198192,4cyclictest0-21swapper/2912:05:1622
2305399198192,4cyclictest0-21swapper/2912:05:1522
2303599198191,5cyclictest0-21swapper/1211:05:154
2303599198191,5cyclictest0-21swapper/1211:05:154
2305399197188,6cyclictest0-21swapper/2909:18:3822
2305399197188,6cyclictest0-21swapper/2909:18:3822
2304699197191,3cyclictest4408-21CPU15
2304699197191,3cyclictest4408-21CPU15
2305799196190,4cyclictest0-21swapper/3111:50:0125
2305799196190,4cyclictest0-21swapper/3111:50:0025
2305799196190,4cyclictest0-21swapper/3111:50:0025
2305399196189,5cyclictest0-21swapper/2909:26:5722
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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