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2025-12-11 - 06:40
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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 Dec 11, 2025 01:00:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
915199260231,13cyclictest0-21swapper/2323:15:2016
915199260231,13cyclictest0-21swapper/2323:15:2016
915199259239,4cyclictest0-21swapper/2300:00:1816
915199259239,4cyclictest0-21swapper/2300:00:1816
915199259239,4cyclictest0-21swapper/2300:00:1816
915399252230,11cyclictest0-21swapper/2519:55:1918
915399252230,11cyclictest0-21swapper/2519:55:1918
910499251222,11cyclictest0-21swapper/1019:35:172
910499251222,11cyclictest0-21swapper/1019:35:172
910499228217,8cyclictest9666-21inotify_reader23:20:212
910499228217,8cyclictest9666-21inotify_reader23:20:212
915399221202,11cyclictest0-21swapper/2500:25:1918
915399221202,11cyclictest0-21swapper/2500:25:1918
915199220197,14cyclictest38901-21inotify_reader19:45:2216
915199220197,14cyclictest38901-21inotify_reader19:45:2216
915199220197,14cyclictest38901-21inotify_reader19:45:2216
909899215156,55cyclictest10902-21TaskSchedulerSi21:10:1838
909899215156,55cyclictest10902-21TaskSchedulerSi21:10:1838
9159992131,195cyclictest0-21swapper/3022:55:2024
9159992131,195cyclictest0-21swapper/3022:55:2024
91909921118,48cyclictest8442-21TaskSchedulerSi22:00:2027
91909921118,48cyclictest8442-21TaskSchedulerSi22:00:1927
910499211179,13cyclictest15980-21CPU2
910499211179,13cyclictest15980-21CPU2
910499211179,13cyclictest15980-21CPU2
911399210172,30cyclictest0-21swapper/1300:03:105
911399210172,30cyclictest0-21swapper/1300:03:105
911399210172,30cyclictest0-21swapper/1300:03:105
907199206178,25cyclictest0-21swapper/023:50:200
907199206178,25cyclictest0-21swapper/023:50:200
907199206178,25cyclictest0-21swapper/023:50:200
90989920321,165cyclictest6633-21inotify_reader22:45:2038
90989920321,165cyclictest6633-21inotify_reader22:45:2038
90989920321,165cyclictest6633-21inotify_reader22:45:2038
919199202157,29cyclictest0-21swapper/3423:00:0928
919199202157,29cyclictest0-21swapper/3423:00:0928
91349920144,148cyclictest4907-21CPU10
91349920144,148cyclictest4907-21CPU10
91349920144,148cyclictest4907-21CPU10
9081992018,83cyclictest26048-21TaskSchedulerSi21:45:1523
9081992018,83cyclictest26048-21TaskSchedulerSi21:45:1523
9081992018,83cyclictest26048-21TaskSchedulerSi21:45:1523
9150992001,190cyclictest0-21swapper/2222:55:1915
9150992001,190cyclictest0-21swapper/2222:55:1915
9098992001,179cyclictest0-21swapper/800:20:2038
9098992001,179cyclictest0-21swapper/800:20:2038
9157991975,51cyclictest23182-21inotify_reader22:05:1921
9157991975,51cyclictest23182-21inotify_reader22:05:1921
9157991975,51cyclictest23182-21inotify_reader22:05:1921
9081991961,104cyclictest0-21swapper/322:15:1823
9081991961,104cyclictest0-21swapper/322:15:1823
907199196182,12cyclictest0-21swapper/023:45:050
907199196182,12cyclictest0-21swapper/023:45:050
919199195184,9cyclictest0-21swapper/3421:17:2828
919199195184,9cyclictest0-21swapper/3421:17:2728
91049919591,81cyclictest15982-21CPU2
91049919591,81cyclictest15982-21CPU2
915399193184,7cyclictest0-21swapper/2523:55:0118
915399193184,7cyclictest0-21swapper/2523:55:0118
915399193184,7cyclictest0-21swapper/2523:55:0118
90919919321,41cyclictest36796-21nfsd23:25:2036
90919919321,41cyclictest36796-21nfsd23:25:2036
90919919321,41cyclictest36796-21nfsd23:25:2036
915799191152,34cyclictest4898-21qemu-system-x8622:20:1821
915799191152,34cyclictest4898-21qemu-system-x8622:20:1821
913399191184,4cyclictest0-21swapper/1722:40:159
913399191184,4cyclictest0-21swapper/1722:40:159
9159991891,65cyclictest0-21swapper/3021:25:2024
9159991891,65cyclictest0-21swapper/3021:25:1924
915999189150,36cyclictest0-21swapper/3000:30:4324
915999189150,36cyclictest0-21swapper/3000:30:4324
9098991891,82cyclictest0-21swapper/820:20:1838
9098991891,82cyclictest0-21swapper/820:20:1738
91599918861,91cyclictest39033-21inotify_reader21:55:1824
91599918861,91cyclictest39033-21inotify_reader21:55:1824
91599918861,91cyclictest39033-21inotify_reader21:55:1824
915799188175,8cyclictest0-21swapper/2820:53:1321
915799188175,8cyclictest0-21swapper/2820:53:1221
91539918822,151cyclictest26737-21inotify_reader21:40:1918
91539918822,151cyclictest26737-21inotify_reader21:40:1918
91539918822,151cyclictest26737-21inotify_reader21:40:1918
915399188174,10cyclictest0-21swapper/2522:02:0218
915399188174,10cyclictest0-21swapper/2522:02:0218
9195991870,97cyclictest28748-21inotify_reader22:10:2030
9195991870,97cyclictest28748-21inotify_reader22:10:2030
915999187118,67cyclictest0-21swapper/3022:07:3124
915999187118,67cyclictest0-21swapper/3022:07:3124
915999187118,67cyclictest0-21swapper/3022:07:3124
915199186166,9cyclictest0-21swapper/2321:10:0316
915199186166,9cyclictest0-21swapper/2321:10:0316
915199186166,9cyclictest0-21swapper/2321:10:0216
9113991844,176cyclictest0-21swapper/1322:40:145
9113991844,176cyclictest0-21swapper/1322:40:145
9113991841,3cyclictest0-21swapper/1322:20:185
9113991841,3cyclictest0-21swapper/1322:20:185
9105991841,6cyclictest11627-21NetworkChangeNo20:40:173
9105991841,6cyclictest11627-21NetworkChangeNo20:40:173
9098991831,161cyclictest3800-21inotify_reader20:55:2038
9098991831,161cyclictest3800-21inotify_reader20:55:2038
9081991831,179cyclictest0-21swapper/322:10:2123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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