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2026-07-03 - 06:53
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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 Fri Jul 03, 2026 01:01:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1607599226211,3cyclictest2454-21CPU24
1607599226211,3cyclictest2454-21CPU24
1606399219212,3cyclictest3609-21CPU11
1606399219212,3cyclictest3609-21CPU11
1607399217209,3cyclictest0-21swapper/2819:20:2021
1607399217209,3cyclictest0-21swapper/2819:20:2021
1607599215211,2cyclictest0-21swapper/3021:45:1824
1607599215211,2cyclictest0-21swapper/3021:45:1824
1605599213208,4cyclictest0-21swapper/1321:00:315
1605599213208,4cyclictest0-21swapper/1321:00:305
1607399212206,4cyclictest0-21swapper/2823:57:0021
1607399212206,4cyclictest0-21swapper/2823:56:5921
1604199211205,4cyclictest0-21swapper/121:26:041
1604199211205,4cyclictest0-21swapper/121:26:031
1607399209202,5cyclictest34707-21systemd23:07:1721
1607399209202,5cyclictest34707-21systemd23:07:1621
1607399209200,6cyclictest0-21swapper/2800:00:5121
1607399209200,6cyclictest0-21swapper/2800:00:5121
1607399209200,6cyclictest0-21swapper/2800:00:5121
1607799207202,2cyclictest0-21swapper/3221:50:2126
1607799207202,2cyclictest0-21swapper/3221:50:2126
1607399207197,8cyclictest3600-21qemu-system-x8600:20:1221
1607399207197,8cyclictest3600-21qemu-system-x8600:20:1121
1607399207195,10cyclictest0-21swapper/2800:07:4821
1607399207195,10cyclictest0-21swapper/2800:07:4821
1607399207195,10cyclictest0-21swapper/2800:07:4721
1607599206200,4cyclictest0-21swapper/3022:05:4424
1607599206200,4cyclictest0-21swapper/3022:05:4424
1607399206200,4cyclictest0-21swapper/2823:30:0121
1607399206200,4cyclictest0-21swapper/2823:30:0021
1607399206199,3cyclictest3545-21CPU21
1607399206199,3cyclictest3545-21CPU21
1604199206200,2cyclictest0-21swapper/122:47:591
1604199206200,2cyclictest0-21swapper/122:47:581
1607599205199,4cyclictest17484-21nfsd22:22:2724
1607599205199,4cyclictest17484-21nfsd22:22:2724
1607599204198,4cyclictest0-21swapper/3021:35:0524
1607599204198,4cyclictest0-21swapper/3021:35:0424
1607599204197,4cyclictest0-21swapper/3022:00:2124
1607599204197,4cyclictest0-21swapper/3022:00:2124
1607599204196,6cyclictest0-21swapper/3022:27:5724
1607599204196,6cyclictest0-21swapper/3022:27:5724
1607599204196,6cyclictest0-21swapper/3022:27:5724
1607599204193,9cyclictest0-21swapper/3023:55:1624
1607599204193,9cyclictest0-21swapper/3023:55:1624
1607399204196,5cyclictest0-21swapper/2800:15:1521
1607399204196,5cyclictest0-21swapper/2800:15:1421
1607399204195,7cyclictest0-21swapper/2821:10:1121
1607399204195,7cyclictest0-21swapper/2821:10:1121
1607399204195,7cyclictest0-21swapper/2821:10:1121
1607399204194,7cyclictest0-21swapper/2823:16:0421
1607399204194,7cyclictest0-21swapper/2823:16:0421
1607399204194,7cyclictest0-21swapper/2823:16:0421
1605899204198,4cyclictest0-21swapper/1519:15:417
1605899204198,4cyclictest0-21swapper/1519:15:407
1604099204197,5cyclictest0-21swapper/023:36:260
1604099204197,5cyclictest0-21swapper/023:36:260
1607599203198,4cyclictest0-21swapper/3020:43:4324
1607599203198,4cyclictest0-21swapper/3020:43:4324
1607599203197,4cyclictest0-21swapper/3021:50:4724
1607599203197,4cyclictest0-21swapper/3021:50:4624
1607599203196,5cyclictest0-21swapper/3021:55:4124
1607599203196,5cyclictest0-21swapper/3021:55:4124
1607599202196,4cyclictest0-21swapper/3023:40:3524
1607599202196,4cyclictest0-21swapper/3023:40:3524
1607599202195,5cyclictest0-21swapper/3021:18:1824
1607599202195,5cyclictest0-21swapper/3021:18:1824
1607599201195,4cyclictest755-21systemd-journal23:54:4324
1607599201195,4cyclictest755-21systemd-journal23:54:4324
1607399201197,2cyclictest0-21swapper/2820:05:1821
1607399201197,2cyclictest0-21swapper/2820:05:1721
1607399201194,5cyclictest0-21swapper/2822:25:3421
1607399201194,5cyclictest0-21swapper/2822:25:3421
1607399201194,5cyclictest0-21swapper/2822:25:3421
1607399201194,4cyclictest0-21swapper/2822:37:2021
1607399201194,4cyclictest0-21swapper/2822:37:2021
1605599201194,5cyclictest0-21swapper/1319:35:295
1607599200194,5cyclictest0-21swapper/3021:41:3924
1607599200194,5cyclictest0-21swapper/3021:41:3924
1607399200192,6cyclictest0-21swapper/2819:40:2121
1607399200192,6cyclictest0-21swapper/2819:40:2021
1607599199191,6cyclictest13373-21rm22:40:5924
1607599199191,6cyclictest13373-21rm22:40:5924
1607599199191,6cyclictest13373-21rm22:40:5824
1607599199190,6cyclictest3541-21CPU24
1607599199190,6cyclictest3541-21CPU24
1607599199190,6cyclictest3541-21CPU24
1607599199167,10cyclictest171rcu_preempt23:26:5924
1607599199167,10cyclictest171rcu_preempt23:26:5924
1607399199191,5cyclictest1358-21ModemManager22:46:5721
1607399199191,5cyclictest1358-21ModemManager22:46:5621
1606399199193,3cyclictest37267-21CPU11
1606399199193,3cyclictest37267-21CPU11
1607399198193,4cyclictest0-21swapper/2822:55:5721
1607399198193,4cyclictest0-21swapper/2822:55:5721
1607399198192,4cyclictest0-21swapper/2800:39:1521
1607399198192,4cyclictest0-21swapper/2800:39:1521
1607399198190,6cyclictest0-21swapper/2800:30:1721
1607399198190,6cyclictest0-21swapper/2800:30:1621
1604099198188,8cyclictest0-21swapper/022:49:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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