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2026-05-13 - 08:39
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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 Wed May 13, 2026 01:01:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1551999215207,4cyclictest37265-21CPU38
1551999215207,4cyclictest37265-21CPU38
1551999199189,8cyclictest11295-21cstates22:20:1638
1551999199189,8cyclictest11295-21cstates22:20:1638
1551999198191,5cyclictest0-21swapper/821:51:2338
1551999198191,5cyclictest0-21swapper/821:51:2238
1551999198191,5cyclictest0-21swapper/821:51:2238
1551799198193,2cyclictest0-21swapper/600:30:1536
1551799198193,2cyclictest0-21swapper/600:30:1536
1551799198193,2cyclictest0-21swapper/600:30:1536
1553799195181,6cyclictest0-21swapper/2523:11:3518
1553799195181,6cyclictest0-21swapper/2523:11:3418
1553799195181,6cyclictest0-21swapper/2523:11:3418
1553799192170,13cyclictest0-21swapper/2500:25:3718
1553799192170,13cyclictest0-21swapper/2500:25:3718
1553899191188,2cyclictest0-21swapper/2619:45:3019
1553899191188,2cyclictest0-21swapper/2619:45:2919
1552699189157,25cyclictest0-21swapper/1521:20:297
1552699189157,25cyclictest0-21swapper/1521:20:297
1551999189174,12cyclictest12920-21systemd21:43:0738
1551999189174,12cyclictest12920-21systemd21:43:0738
1551999189174,12cyclictest12920-21systemd21:43:0738
1551999188178,8cyclictest1367-21dbus-daemon21:11:4938
1551999188178,8cyclictest1367-21dbus-daemon21:11:4938
1551999188136,48cyclictest0-21swapper/800:18:4038
1551999188136,48cyclictest0-21swapper/800:18:3938
1551999188136,48cyclictest0-21swapper/800:18:3938
1551399188135,48cyclictest4408-21CPU34
1551399188135,48cyclictest4408-21CPU34
1551399188135,48cyclictest4408-21CPU34
1554899187175,9cyclictest2327-21qemu-system-x8622:01:5527
1554899187175,9cyclictest2327-21qemu-system-x8622:01:5527
1553799187175,9cyclictest0-21swapper/2523:35:2518
1553799187175,9cyclictest0-21swapper/2523:35:2418
1551399187144,39cyclictest3545-21CPU34
1551399187144,39cyclictest3545-21CPU34
1553799186176,8cyclictest0-21swapper/2500:20:0518
1553799186176,8cyclictest0-21swapper/2500:20:0418
1553799186176,8cyclictest0-21swapper/2500:20:0418
1553799185177,6cyclictest0-21swapper/2500:33:0818
1553799185177,6cyclictest0-21swapper/2500:33:0818
1553799185177,6cyclictest0-21swapper/2500:33:0718
1553799185168,15cyclictest0-21swapper/2523:41:1718
1553799185168,15cyclictest0-21swapper/2523:41:1718
1553799185168,15cyclictest0-21swapper/2523:41:1718
1551999184177,5cyclictest0-21swapper/821:47:0938
1551999184177,5cyclictest0-21swapper/821:47:0938
1553799183164,10cyclictest0-21swapper/2523:58:2918
1553799183164,10cyclictest0-21swapper/2523:58:2918
1553799183164,10cyclictest0-21swapper/2523:58:2818
1553299182141,27cyclictest0-21swapper/2123:19:2114
1553299182141,27cyclictest0-21swapper/2123:19:2114
1551999180172,5cyclictest0-21swapper/822:32:4438
1551999180172,5cyclictest0-21swapper/822:32:4338
1551999180143,24cyclictest0-21swapper/822:07:2238
1551999180143,24cyclictest0-21swapper/822:07:2138
1554699179152,17cyclictest0-21swapper/3122:20:0125
1554699179152,17cyclictest0-21swapper/3122:20:0025
1553799179167,7cyclictest0-21swapper/2500:03:2318
1553799179167,7cyclictest0-21swapper/2500:03:2318
1551999179169,3cyclictest3544-21CPU38
1551999179169,3cyclictest3544-21CPU38
1551999178171,5cyclictest0-21swapper/822:14:5138
1551999178171,5cyclictest0-21swapper/822:14:5138
1551999178152,21cyclictest0-21swapper/821:02:4538
1551999178152,21cyclictest0-21swapper/821:02:4538
1553799177170,4cyclictest0-21swapper/2523:30:3218
1553799177170,4cyclictest0-21swapper/2523:30:3218
1553799176158,15cyclictest0-21swapper/2523:17:5518
1553799176158,15cyclictest0-21swapper/2523:17:5518
1553799176158,10cyclictest0-21swapper/2500:36:5818
1553799176158,10cyclictest0-21swapper/2500:36:5818
1553799175170,4cyclictest0-21swapper/2523:46:4418
1553799175170,4cyclictest0-21swapper/2523:46:4418
1553799175168,5cyclictest0-21swapper/2500:09:0418
1553799175168,5cyclictest0-21swapper/2500:09:0418
1553799174166,6cyclictest0-21swapper/2523:27:5318
1553799174166,6cyclictest0-21swapper/2523:27:5218
1553799174166,6cyclictest0-21swapper/2523:27:5218
1553499174165,5cyclictest3609-21CPU15
1554899173119,49cyclictest3546-21CPU27
1554899173119,49cyclictest3546-21CPU27
155469917346,120cyclictest0-21swapper/3123:05:1425
155469917346,120cyclictest0-21swapper/3123:05:1425
1551999173167,5cyclictest0-21swapper/822:47:1438
1551999173167,5cyclictest0-21swapper/822:47:1338
1551999173166,5cyclictest0-21swapper/821:36:2338
1551999173166,5cyclictest0-21swapper/821:36:2238
1551999173166,5cyclictest0-21swapper/821:36:2238
1551999173157,9cyclictest0-21swapper/821:29:5738
1551999173157,9cyclictest0-21swapper/821:29:5738
1551999173156,13cyclictest0-21swapper/823:05:1838
1551999173156,13cyclictest0-21swapper/823:05:1838
1551999173156,10cyclictest0-21swapper/822:04:3638
1551999173156,10cyclictest0-21swapper/822:04:3638
1554199172133,23cyclictest0-21swapper/2823:18:1121
1554199172133,23cyclictest0-21swapper/2823:18:1021
1553299172145,21cyclictest0-21swapper/2121:32:2214
1553299172145,21cyclictest0-21swapper/2121:32:2214
1551999172152,14cyclictest0-21swapper/822:37:5738
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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