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2025-11-29 - 15:19
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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 Sat Nov 29, 2025 13:01:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
871399245234,3cyclictest0-21swapper/1907:50:1911
871399245234,3cyclictest0-21swapper/1907:50:1911
871399245226,8cyclictest4911-21CPU11
871399245226,8cyclictest4911-21CPU11
871399245226,8cyclictest4911-21CPU11
871399245226,8cyclictest0-21swapper/1909:00:1911
871399245226,8cyclictest0-21swapper/1909:00:1911
8686992257,209cyclictest33518-21inotify_reader07:45:1838
8686992257,209cyclictest33518-21inotify_reader07:45:1838
878199223202,10cyclictest11726-21inotify_reader11:30:1933
878199223202,10cyclictest11726-21inotify_reader11:30:1933
869999223189,10cyclictest9079-21inotify_reader09:25:187
869999223189,10cyclictest9079-21inotify_reader09:25:187
869999223189,10cyclictest9079-21inotify_reader09:25:187
8684992211,98cyclictest0-21swapper/711:20:2037
8684992211,98cyclictest0-21swapper/711:20:1937
8684992211,98cyclictest0-21swapper/711:20:1937
878199212188,14cyclictest795-21inotify_reader10:20:2033
878199212188,14cyclictest795-21inotify_reader10:20:2033
878199212188,14cyclictest795-21inotify_reader10:20:2033
8676992081,200cyclictest5972-21inotify_reader12:20:200
8676992081,200cyclictest5972-21inotify_reader12:20:200
8684992062,105cyclictest0-21swapper/711:03:1537
8684992062,105cyclictest0-21swapper/711:03:1537
878199205183,12cyclictest5132-21inotify_reader10:25:2133
878199205183,12cyclictest5132-21inotify_reader10:25:2133
869099205201,2cyclictest0-21swapper/1208:25:204
8686992033,179cyclictest10003-21inotify_reader12:20:2038
8686992033,179cyclictest10003-21inotify_reader12:20:1938
87519920139,36cyclictest40025-21inotify_reader09:05:2125
87519920139,36cyclictest40025-21inotify_reader09:05:2125
87249920142,133cyclictest4624-21qemu-system-x8610:05:2022
87249920142,133cyclictest4624-21qemu-system-x8610:05:2022
8715992011,197cyclictest0-21swapper/2111:15:2014
8715992011,197cyclictest0-21swapper/2111:15:2014
8715992011,197cyclictest0-21swapper/2111:15:2014
87049920029,167cyclictest3079-21CPU8
87049920029,167cyclictest3079-21CPU8
87049920029,167cyclictest3079-21CPU8
877699199145,48cyclictest0-21swapper/3509:25:1929
877699199145,48cyclictest0-21swapper/3509:25:1929
877699199145,48cyclictest0-21swapper/3509:25:1929
875199198180,14cyclictest0-21swapper/3110:51:0825
875199198180,14cyclictest0-21swapper/3110:51:0825
875199198180,14cyclictest0-21swapper/3110:51:0825
869099197116,69cyclictest26033-21inotify_reader09:40:194
869099197116,69cyclictest26033-21inotify_reader09:40:194
8676991974,170cyclictest4624-21qemu-system-x8610:25:210
8676991974,170cyclictest4624-21qemu-system-x8610:25:210
86849919550,141cyclictest40592-21NetworkChangeNo07:15:1837
86849919550,141cyclictest40592-21NetworkChangeNo07:15:1837
86769919587,97cyclictest11999-21sshd11:55:190
86769919587,97cyclictest11999-21sshd11:55:190
8676991951,90cyclictest0-21swapper/007:20:210
8676991951,90cyclictest0-21swapper/007:20:210
87249919428,48cyclictest38995-21bash11:00:2022
87249919428,48cyclictest38995-21bash11:00:2022
871299193134,50cyclictest36795-21nfsd11:35:2010
871299193134,50cyclictest36795-21nfsd11:35:2010
871299193134,50cyclictest36795-21nfsd11:35:2010
8721991911,181cyclictest0-21swapper/2710:25:2120
8721991911,181cyclictest0-21swapper/2710:25:2120
867999190175,4cyclictest40242-21inotify_reader09:50:2023
867999190175,4cyclictest40242-21inotify_reader09:50:2023
867999190175,4cyclictest40242-21inotify_reader09:50:2023
87219918914,171cyclictest30131-21inotify_reader12:30:2120
87219918914,171cyclictest30131-21inotify_reader12:30:2120
87219918914,171cyclictest30131-21inotify_reader12:30:2020
8715991881,102cyclictest0-21swapper/2109:40:1814
8715991881,102cyclictest0-21swapper/2109:40:1814
869999188178,7cyclictest12393-21run-parts09:15:507
869999188178,7cyclictest12393-21run-parts09:15:507
869999188178,7cyclictest12393-21run-parts09:15:507
86829918827,8cyclictest12402-21inotify_reader11:35:1835
86829918827,8cyclictest12402-21inotify_reader11:35:1835
86829918827,8cyclictest12402-21inotify_reader11:35:1835
878199186164,12cyclictest0-21swapper/3910:30:2733
878199186164,12cyclictest0-21swapper/3910:30:2733
878199186164,12cyclictest0-21swapper/3910:30:2733
8721991861,181cyclictest0-21swapper/2712:20:2020
8721991861,181cyclictest0-21swapper/2712:20:1920
87179918625,14cyclictest0-21swapper/2307:20:2116
87179918625,14cyclictest0-21swapper/2307:20:2116
8715991861,181cyclictest37334-21inotify_reader11:20:2014
8715991861,181cyclictest37334-21inotify_reader11:20:1914
8715991861,181cyclictest37334-21inotify_reader11:20:1914
8690991868,97cyclictest0-21swapper/1208:05:214
8690991868,97cyclictest0-21swapper/1208:05:214
8676991863,163cyclictest11903-21CPU0
877899185104,75cyclictest19853-21inotify_reader08:05:2030
877899185104,75cyclictest19853-21inotify_reader08:05:2030
8676991840,173cyclictest4951-21sshd11:35:190
8676991840,173cyclictest4951-21sshd11:35:190
8676991840,173cyclictest4951-21sshd11:35:180
8718991835,172cyclictest15980-21CPU17
8718991835,172cyclictest15980-21CPU17
8718991835,172cyclictest15980-21CPU17
8715991833,139cyclictest15985-21CPU14
8715991833,139cyclictest15985-21CPU14
8715991833,139cyclictest15985-21CPU14
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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