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2025-10-30 - 08:36
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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 50 highest latencies:
System rack6slot0.osadl.org (updated Thu Oct 30, 2025 01:00:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1609999301295,3cyclictest0-21swapper/3600:35:0030
1609999301295,3cyclictest0-21swapper/3600:35:0030
1609999281235,23cyclictest9721-21sh23:15:1930
1609999281235,23cyclictest9721-21sh23:15:1930
1609999281235,23cyclictest9721-21sh23:15:1930
160649923818,206cyclictest23182-21inotify_reader20:30:214
160649923818,206cyclictest23182-21inotify_reader20:30:214
160509923110,148cyclictest0-21swapper/121:06:221
160509923110,148cyclictest0-21swapper/121:06:221
160509923110,148cyclictest0-21swapper/121:06:221
1606799227192,14cyclictest23640-21NetworkChangeNo21:25:197
1606799227192,14cyclictest23640-21NetworkChangeNo21:25:197
160989922591,125cyclictest0-21swapper/3522:30:1929
160989922591,125cyclictest0-21swapper/3522:30:1929
16065992211,78cyclictest0-21swapper/1323:30:185
16065992211,78cyclictest0-21swapper/1323:30:185
16065992211,78cyclictest0-21swapper/1323:30:185
1605799220205,8cyclictest0-21swapper/721:48:3937
1605799220205,8cyclictest0-21swapper/721:48:3937
1605799220205,8cyclictest0-21swapper/721:48:3937
1607299219215,2cyclictest0-21swapper/2019:45:1713
1607299219215,2cyclictest0-21swapper/2019:45:1713
1610199217189,21cyclictest0-21swapper/3821:35:2132
1610199217189,21cyclictest0-21swapper/3821:35:2132
1609999216199,15cyclictest0-21swapper/3620:05:0130
1609999216199,15cyclictest0-21swapper/3620:05:0130
1605799212197,13cyclictest0-21swapper/723:10:0637
1605799212197,13cyclictest0-21swapper/723:10:0637
16070992106,92cyclictest23543-21inotify_reader19:40:1810
16070992106,92cyclictest23543-21inotify_reader19:40:1810
16075992082,202cyclictest26587-21NetworkChangeNo19:20:2115
1605999207203,2cyclictest0-21swapper/800:38:0638
1605999207203,2cyclictest0-21swapper/800:38:0638
1605699207173,22cyclictest0-21swapper/622:06:3136
1605699207173,22cyclictest0-21swapper/622:06:3136
160659920510,191cyclictest16307-21inotify_reader21:05:175
160659920510,191cyclictest16307-21inotify_reader21:05:175
160659920510,191cyclictest16307-21inotify_reader21:05:175
1606099205151,49cyclictest3067-21lxd21:06:2239
1606099205151,49cyclictest3067-21lxd21:06:2239
1606099205151,49cyclictest3067-21lxd21:06:2239
1609999204170,14cyclictest35759-21NetworkChangeNo22:25:1930
1609999204170,14cyclictest35759-21NetworkChangeNo22:25:1930
1608299203125,70cyclictest30925-21inotify_reader19:50:1918
1608299203125,70cyclictest30925-21inotify_reader19:50:1918
1604999203193,7cyclictest0-21swapper/023:02:200
1604999203193,7cyclictest0-21swapper/023:02:200
1604999201188,7cyclictest0-21swapper/021:36:200
1604999201188,7cyclictest0-21swapper/021:36:200
16082992002,193cyclictest0-21swapper/2521:39:5118
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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