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2025-12-10 - 03:46
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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 Dec 10, 2025 01:00:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12436992706,248cyclictest15983-21CPU33
12436992706,248cyclictest15983-21CPU33
12436992706,248cyclictest15983-21CPU33
12436992691,256cyclictest25194-21NetworkChangeNo22:05:1933
12436992691,256cyclictest25194-21NetworkChangeNo22:05:1933
12436992691,256cyclictest25194-21NetworkChangeNo22:05:1933
1234099227203,12cyclictest0-21swapper/200:00:1812
1234099227203,12cyclictest0-21swapper/200:00:1812
1234099227203,12cyclictest0-21swapper/200:00:1812
1233499224218,3cyclictest9007-21sshd23:53:501
1233499224218,3cyclictest9007-21sshd23:53:501
1241799221198,16cyclictest0-21swapper/3420:50:2128
12367992211,108cyclictest10320-21inotify_reader00:35:196
12367992211,108cyclictest10320-21inotify_reader00:35:196
12367992211,108cyclictest10320-21inotify_reader00:35:196
1234099215206,5cyclictest7663-21tune2fs22:40:1812
1234099215206,5cyclictest7663-21tune2fs22:40:1812
12436992131,209cyclictest0-21swapper/3922:15:1533
12436992131,209cyclictest0-21swapper/3922:15:1533
12436992111,193cyclictest0-21swapper/3922:03:1433
12436992111,193cyclictest0-21swapper/3922:03:1333
12436992111,193cyclictest0-21swapper/3922:03:1333
123979921188,73cyclictest30895-21inotify_reader22:00:2024
123979921188,73cyclictest30895-21inotify_reader22:00:2024
123979921188,73cyclictest30895-21inotify_reader22:00:2024
123889920810,107cyclictest0-21swapper/2620:30:1819
123889920810,107cyclictest0-21swapper/2620:30:1819
12436992021,190cyclictest0-21swapper/3922:11:2733
12436992021,190cyclictest0-21swapper/3922:11:2733
12436992021,190cyclictest0-21swapper/3922:11:2733
1234099201191,8cyclictest34243-21gdbus21:27:1912
1234099201191,8cyclictest34243-21gdbus21:27:1912
1234099201191,8cyclictest34243-21gdbus21:27:1912
12436991981,78cyclictest25195-21inotify_reader20:30:1833
12436991981,78cyclictest25195-21inotify_reader20:30:1833
12341991971,120cyclictest0-21swapper/319:35:1923
12341991971,120cyclictest0-21swapper/319:35:1923
1234099197190,5cyclictest0-21swapper/221:44:3112
1234099197190,5cyclictest0-21swapper/221:44:3112
1243699196146,34cyclictest0-21swapper/3921:13:0333
1243699196146,34cyclictest0-21swapper/3921:13:0333
1243699196146,34cyclictest0-21swapper/3921:13:0333
123809919548,75cyclictest19457-21inotify_reader23:35:2014
123809919548,75cyclictest19457-21inotify_reader23:35:2014
1234799193116,58cyclictest10136-21TaskSchedulerSi23:35:2138
1234799193116,58cyclictest10136-21TaskSchedulerSi23:35:2038
1234099193185,5cyclictest0-21swapper/219:40:1712
1234099193185,5cyclictest0-21swapper/219:40:1712
1243699191109,52cyclictest0-21swapper/3923:40:1933
1243699191109,52cyclictest0-21swapper/3923:40:1933
1243699191108,69cyclictest34994-21inotify_reader21:45:2033
1243699191108,69cyclictest34994-21inotify_reader21:45:1933
1243399190159,16cyclictest0-21swapper/3621:05:1930
1243399190159,16cyclictest0-21swapper/3621:05:1930
1243399190159,16cyclictest0-21swapper/3621:05:1930
12380991893,173cyclictest15978-21CPU14
12380991893,173cyclictest15978-21CPU14
12380991893,173cyclictest15978-21CPU14
123449918868,85cyclictest0-21swapper/623:45:1936
123449918868,85cyclictest0-21swapper/623:45:1936
123419918825,76cyclictest5520-21inotify_reader20:30:1823
123419918825,76cyclictest5520-21inotify_reader20:30:1823
12436991861,182cyclictest0-21swapper/3920:02:5233
12436991861,182cyclictest0-21swapper/3920:02:5233
12436991860,179cyclictest0-21swapper/3922:20:3033
12436991860,179cyclictest0-21swapper/3922:20:3033
12356991861,89cyclictest0-21swapper/920:25:2139
12356991861,89cyclictest0-21swapper/920:25:2139
1234099186180,4cyclictest23458-21inotify_reader19:15:2012
1234099186180,4cyclictest23458-21inotify_reader19:15:2012
1233499186166,13cyclictest0-21swapper/100:20:491
1233499186166,13cyclictest0-21swapper/100:20:491
1243699185108,66cyclictest31703-21NetworkChangeNo20:45:2033
124119918515,163cyclictest31900-21inotify_reader00:20:2027
124119918515,163cyclictest31900-21inotify_reader00:20:2027
12367991851,110cyclictest0-21swapper/1420:40:196
12367991851,110cyclictest0-21swapper/1420:40:196
123349918516,43cyclictest0-21swapper/120:15:221
123349918516,43cyclictest0-21swapper/120:15:221
124369918477,91cyclictest33138-21inotify_reader21:20:1833
124369918477,91cyclictest33138-21inotify_reader21:20:1833
124339918417,148cyclictest0-21swapper/3620:30:1830
124339918417,148cyclictest0-21swapper/3620:30:1830
12436991831,125cyclictest0-21swapper/3900:25:2133
12436991831,125cyclictest0-21swapper/3900:25:2133
123909918314,152cyclictest5042-21inotify_reader22:35:2220
123909918314,152cyclictest5042-21inotify_reader22:35:2220
1237099182101,75cyclictest28196-21NetworkChangeNo21:00:208
1237099182101,75cyclictest28196-21NetworkChangeNo21:00:208
123349918212,166cyclictest0-21swapper/122:10:181
123349918212,166cyclictest0-21swapper/122:10:181
123349918212,166cyclictest0-21swapper/122:10:181
124179918110,20cyclictest30602-21NetworkChangeNo19:30:1928
124179918110,20cyclictest30602-21NetworkChangeNo19:30:1828
123979918158,106cyclictest18119-21NetworkChangeNo00:00:1924
123979918158,106cyclictest18119-21NetworkChangeNo00:00:1924
123979918158,106cyclictest18119-21NetworkChangeNo00:00:1924
12380991811,150cyclictest14844-21sshd23:30:1814
12380991811,150cyclictest14844-21sshd23:30:1814
1234099181139,12cyclictest0-21swapper/200:14:2212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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