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2025-11-24 - 08:21
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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 rackdslot0.osadl.org (updated Mon Nov 24, 2025 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1014299330,33cyclictest0-21swapper/019:20:170
1014299210,20cyclictest0-21swapper/021:25:050
10151992014,4cyclictest2049-21systemd-journal23:00:502
1014699200,17cyclictest0-21swapper/120:40:141
10151991917,1cyclictest0-21swapper/220:47:332
10151991916,2cyclictest4530-21H212:26:332
1015199190,2cyclictest4526-21H212:26:332
1015199190,2cyclictest21618-21nfsd423:15:172
1015199190,16cyclictest4538-21H212:26:332
1014699193,15cyclictest0-21swapper/121:23:531
10146991915,3cyclictest4523-21H212:26:331
10146991914,2cyclictest4532-21H212:26:331
1014699190,2cyclictest4593-21H212:26:331
1014699190,16cyclictest4530-21H212:26:331
1014299192,16cyclictest4526-21H212:26:330
10142991916,2cyclictest4532-21H212:26:330
1014299191,17cyclictest2410-21nfsd421:45:180
1014299190,18cyclictest0-21swapper/020:34:180
1015199182,15cyclictest4532-21H212:26:332
1015199182,15cyclictest4532-21H212:26:332
1015199182,15cyclictest28-21ksoftirqd/223:37:452
10151991817,0cyclictest0-21swapper/221:05:162
10151991816,1cyclictest18504-21grep21:15:222
10151991816,1cyclictest0-21swapper/221:10:392
10151991814,3cyclictest4534-21H212:26:332
10151991814,3cyclictest4534-21H212:26:332
10151991814,3cyclictest4530-21H212:26:332
10151991814,3cyclictest4530-21H212:26:332
1015199181,2cyclictest4698-21chrt23:41:412
1015199180,3cyclictest4538-21H212:26:332
1015199180,2cyclictest4593-21H212:26:332
1015199180,2cyclictest4581-21H212:26:332
1015199180,2cyclictest4538-21H212:26:332
1015199180,2cyclictest4536-21H212:26:332
1015199180,2cyclictest4534-21H212:26:332
1015199180,2cyclictest4532-21H212:26:332
1015199180,2cyclictest4528-21H212:26:332
1015199180,2cyclictest4526-21H212:26:332
1015199180,2cyclictest4526-21H212:26:332
1015199180,17cyclictest4581-21H212:26:332
1015199180,17cyclictest4534-21H212:26:332
1015199180,17cyclictest4532-21H212:26:332
1015199180,17cyclictest31150-21chrt23:33:002
1015199180,17cyclictest19124-21head20:20:192
1015199180,16cyclictest4538-21H212:26:332
1015199180,15cyclictest4593-21H212:26:332
1014699182,1cyclictest21-21ksoftirqd/121:32:341
1014699182,1cyclictest0-21swapper/100:00:321
1014699182,15cyclictest21-21ksoftirqd/100:33:081
1014699182,15cyclictest0-21swapper/122:00:191
10146991814,3cyclictest23513-21grep21:25:191
1014699181,16cyclictest970-21dbus-daemon20:35:221
1014699181,16cyclictest0-21swapper/120:20:381
1014699180,2cyclictest4593-21H212:26:331
1014699180,2cyclictest4526-21H212:26:331
1014699180,17cyclictest823-21systemd-network21:08:361
1014699180,17cyclictest4593-21H212:26:331
1014699180,17cyclictest4581-21H212:26:331
1014699180,17cyclictest4532-21H212:26:331
1014699180,16cyclictest4536-21H212:26:331
1014299183,14cyclictest0-21swapper/022:33:030
10142991816,1cyclictest9-21ksoftirqd/021:55:010
10142991816,1cyclictest0-21swapper/019:13:120
10142991815,2cyclictest4532-21H212:26:330
10142991815,2cyclictest4532-21H212:26:330
10142991815,2cyclictest15887-21expr22:10:140
10142991813,1cyclictest0-21swapper/020:30:020
10142991813,1cyclictest0-21swapper/020:30:010
1014299181,16cyclictest22590-21nfsd419:30:200
1014299180,2cyclictest4528-21H212:26:330
1014299180,2cyclictest4523-21H212:26:330
1014299180,17cyclictest4593-21H212:26:330
1014299180,17cyclictest4581-21H212:26:330
1014299180,17cyclictest4526-21H212:26:330
1014299180,16cyclictest4581-21H212:26:330
1014299180,16cyclictest4536-21H212:26:330
1014299180,16cyclictest4526-21H212:26:330
1014299180,16cyclictest4526-21H212:26:330
1014299180,16cyclictest4523-21H212:26:330
1014299180,16cyclictest4081-21grep20:50:200
1014299180,16cyclictest4081-21grep20:50:190
1014299180,16cyclictest31017-21lxd19:46:580
1014299180,15cyclictest4536-21H212:26:330
1014299180,15cyclictest4526-21H212:26:330
10151991715,1cyclictest4530-21H212:26:332
10151991715,1cyclictest0-21swapper/223:05:152
10151991714,2cyclictest4593-21H212:26:332
10151991714,2cyclictest4538-21H212:26:332
10151991714,2cyclictest4538-21H212:26:332
10151991714,2cyclictest4534-21H212:26:332
10151991714,2cyclictest4526-21H212:26:332
10151991714,2cyclictest1820-21fschecks_count00:35:152
10151991714,2cyclictest10587-21df22:00:152
10151991713,3cyclictest4526-21H212:26:332
10151991713,2cyclictest4534-21H212:26:332
1015199171,15cyclictest32704-21cpuspeed_turbos22:40:122
1015199171,15cyclictest0-21swapper/200:05:202
1015199170,2cyclictest4534-21H212:26:332
1015199170,2cyclictest4532-21H212:26:332
1015199170,2cyclictest2930-21cstates20:50:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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