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2026-06-20 - 17:10
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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 rack1slot3.osadl.org (updated Sat Jun 20, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103531699147,6cyclictest0-21swapper/307:38:513
103531699140,2cyclictest0-21swapper/311:15:103
103531699130,12cyclictest1059324-21sleep08:10:013
103531699130,11cyclictest0-21swapper/312:35:123
103531699130,11cyclictest0-21swapper/310:30:003
103531699130,11cyclictest0-21swapper/308:25:133
1035316991211,1cyclictest0-21swapper/311:40:023
1035316991211,0cyclictest0-21swapper/312:30:123
1035316991211,0cyclictest0-21swapper/310:50:123
1035316991211,0cyclictest0-21swapper/309:25:143
103531699120,11cyclictest0-21swapper/312:00:213
103531699120,11cyclictest0-21swapper/311:30:023
103531699120,11cyclictest0-21swapper/309:30:133
103531699120,11cyclictest0-21swapper/308:30:113
1035316991111,0cyclictest0-21swapper/307:55:173
1035316991110,0cyclictest0-21swapper/310:35:013
1035316991110,0cyclictest0-21swapper/310:15:133
103531699110,10cyclictest0-21swapper/310:05:133
103531699110,10cyclictest0-21swapper/308:25:013
103531699110,10cyclictest0-21swapper/307:30:203
103531699110,10cyclictest0-21swapper/307:25:193
103531699110,0cyclictest0-21swapper/310:45:003
103531699110,0cyclictest0-21swapper/310:10:123
103531699109,0cyclictest0-21swapper/310:00:163
103531699109,0cyclictest0-21swapper/307:10:193
1035316991010,0cyclictest0-21swapper/312:20:163
1035316991010,0cyclictest0-21swapper/311:25:173
1035316991010,0cyclictest0-21swapper/308:55:193
1035316991010,0cyclictest0-21swapper/308:10:133
103531699100,9cyclictest0-21swapper/311:55:013
103531699100,9cyclictest0-21swapper/307:40:193
103531699100,9cyclictest0-21swapper/307:15:113
103531699100,10cyclictest0-21swapper/310:20:143
103531699100,0cyclictest0-21swapper/311:10:193
103531699100,0cyclictest0-21swapper/310:35:173
103531699100,0cyclictest0-21swapper/307:50:193
10353169999,0cyclictest0-21swapper/312:25:113
10353169999,0cyclictest0-21swapper/309:15:123
10353169999,0cyclictest0-21swapper/308:45:143
10353169998,0cyclictest0-21swapper/312:10:133
10353169998,0cyclictest0-21swapper/309:20:123
10353169998,0cyclictest0-21swapper/308:55:003
10353169990,0cyclictest0-21swapper/307:25:013
10353169988,0cyclictest0-21swapper/312:07:493
10353169988,0cyclictest0-21swapper/311:20:333
10353169988,0cyclictest0-21swapper/309:35:173
10353169988,0cyclictest0-21swapper/309:00:153
10353169988,0cyclictest0-21swapper/307:45:123
10353169980,0cyclictest0-21swapper/311:45:163
10353169977,0cyclictest0-21swapper/312:18:493
10353169977,0cyclictest0-21swapper/311:40:193
10353169977,0cyclictest0-21swapper/311:05:123
10353169977,0cyclictest0-21swapper/310:55:153
10353169977,0cyclictest0-21swapper/310:55:153
10353169977,0cyclictest0-21swapper/308:05:013
10353169970,0cyclictest0-21swapper/312:00:003
1033918271,4sleep30-21swapper/307:05:153
10353169966,0cyclictest0-21swapper/311:00:183
10353169966,0cyclictest0-21swapper/310:45:183
10353169966,0cyclictest0-21swapper/309:55:123
10353169966,0cyclictest0-21swapper/309:10:143
10353169966,0cyclictest0-21swapper/309:05:123
10353169962,4cyclictest0-21swapper/309:45:143
10353169961,2cyclictest1071042-21taskset08:39:563
1034848262,2sleep20-21swapper/207:06:062
10353169954,0cyclictest0-21swapper/308:40:173
10353169950,3cyclictest0-21swapper/309:50:163
1111537240,3sleep01111577-21aten_r1power_cu10:20:130
1103824240,3sleep11103959-21ntpq10:00:161
1088851240,2sleep01088879-21apt-get09:25:140
10353169944,0cyclictest0-21swapper/309:42:123
10353169940,3cyclictest1061449-21chrt08:15:073
1033491241,1sleep01033517-21apt-get07:05:130
1033246242,1sleep10-21swapper/107:05:011
1161167230,2sleep21160301-21/usr/sbin/munin12:15:192
1158221230,1sleep00-21swapper/012:10:110
1107346230,2sleep11107406-21aten_r1power_en10:10:131
1100695230,0sleep20-21swapper/209:53:532
1082910230,2sleep11083210-21cstates09:10:141
1057634230,1sleep01057660-21apt-get08:05:130
1163256220,1sleep21163381-21python312:20:182
1160392220,1sleep11160642-21cpuspeed_turbos12:15:141
1158379220,1sleep21158652-21df_inode12:10:132
1155625220,0sleep00-21swapper/012:02:400
1151212220,0sleep20-21swapper/211:50:372
1133335220,1sleep11133430-21ntp_states11:10:171
1128219220,1sleep20-21swapper/211:00:022
1128219220,1sleep20-21swapper/211:00:012
1124309220,0sleep20-21swapper/210:50:132
1123274220,1sleep11123523-21users10:45:201
1113617220,1sleep01113643-21apt-get10:25:130
1108097220,1sleep21108210-21ps10:10:172
1093266220,1sleep21093419-21memory09:35:162
1091522220,1sleep11091623-21awk09:30:191
1090840220,1sleep01090866-21apt-get09:30:140
1089538220,1sleep11089631-21ntp_states09:25:191
1088551220,0sleep20-21swapper/209:24:312
1087250220,1sleep11087306-21basename09:20:131
1084863220,1sleep10-21swapper/109:15:141
1083424220,1sleep01083573-21ntp_states09:10:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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