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2026-06-08 - 22:46
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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 rack1slot3.osadl.org (updated Mon Jun 08, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
344523099140,12cyclictest0-21swapper/308:05:133
344523099130,1cyclictest0-21swapper/307:35:243
344523099130,11cyclictest0-21swapper/307:10:123
344523099120,8cyclictest0-21swapper/308:00:113
344523099120,11cyclictest0-21swapper/312:00:123
344523099120,11cyclictest0-21swapper/311:15:013
344523099120,11cyclictest0-21swapper/310:20:113
344523099120,11cyclictest0-21swapper/310:19:563
3445230991111,0cyclictest0-21swapper/310:55:143
3445230991110,0cyclictest0-21swapper/310:35:013
3445230991110,0cyclictest0-21swapper/309:50:163
344523099110,1cyclictest0-21swapper/309:45:173
344523099110,10cyclictest0-21swapper/312:25:173
344523099110,10cyclictest0-21swapper/311:55:203
344523099110,10cyclictest0-21swapper/311:55:013
344523099110,10cyclictest0-21swapper/311:05:003
344523099110,10cyclictest0-21swapper/311:00:203
344523099110,10cyclictest0-21swapper/308:40:193
344523099110,10cyclictest0-21swapper/307:50:013
344523099110,0cyclictest0-21swapper/309:00:113
344523099110,0cyclictest0-21swapper/307:20:123
344523099109,0cyclictest0-21swapper/308:10:113
3445230991010,0cyclictest0-21swapper/310:50:143
344523099100,9cyclictest0-21swapper/312:15:193
344523099100,10cyclictest0-21swapper/308:55:143
344523099100,10cyclictest0-21swapper/307:30:173
344523099100,0cyclictest0-21swapper/310:10:173
344523099100,0cyclictest0-21swapper/310:00:113
344523099100,0cyclictest0-21swapper/309:55:133
344523099100,0cyclictest0-21swapper/309:35:013
344523099100,0cyclictest0-21swapper/308:25:183
344523099100,0cyclictest0-21swapper/308:25:173
34449332101,5sleep30-21swapper/307:08:153
34452309999,0cyclictest0-21swapper/311:30:193
34452309999,0cyclictest0-21swapper/310:35:153
34452309999,0cyclictest0-21swapper/309:25:113
34452309999,0cyclictest0-21swapper/309:20:123
34452309999,0cyclictest0-21swapper/309:10:123
34452309999,0cyclictest0-21swapper/308:30:163
34452309998,0cyclictest0-21swapper/311:40:133
34452309998,0cyclictest0-21swapper/309:35:133
34452309998,0cyclictest0-21swapper/307:40:013
34452309988,0cyclictest0-21swapper/312:34:273
34452309988,0cyclictest0-21swapper/310:40:123
34452309988,0cyclictest0-21swapper/307:15:113
34452309987,0cyclictest0-21swapper/308:50:213
34452309985,1cyclictest0-21swapper/309:05:113
34452309980,0cyclictest0-21swapper/312:35:183
34452309977,0cyclictest0-21swapper/312:05:113
34452309977,0cyclictest0-21swapper/311:36:333
34452309977,0cyclictest0-21swapper/311:24:563
34452309977,0cyclictest0-21swapper/311:20:013
34452309977,0cyclictest0-21swapper/310:05:123
34452309966,0cyclictest0-21swapper/312:10:183
34452309966,0cyclictest0-21swapper/310:30:003
34452309966,0cyclictest0-21swapper/308:15:113
34452309966,0cyclictest0-21swapper/307:50:173
3451595250,2sleep03451621-21apt-get07:25:130
34452309955,0cyclictest0-21swapper/312:20:143
34452309955,0cyclictest0-21swapper/309:44:233
34452309955,0cyclictest0-21swapper/308:35:163
34452309950,4cyclictest0-21swapper/311:25:103
3444793250,1sleep20-21swapper/207:06:262
3518026240,3sleep03518110-21irqstats10:10:150
3477454240,2sleep23477480-21apt-get08:30:112
34452309944,0cyclictest0-21swapper/310:46:593
34452309944,0cyclictest0-21swapper/308:23:273
34452309944,0cyclictest0-21swapper/307:25:033
34452309940,3cyclictest3557799-21chrt11:45:063
34452309940,3cyclictest3463803-21chrt07:55:133
34452309940,3cyclictest0-21swapper/309:15:123
34452309940,2cyclictest0-21swapper/308:45:113
3444884242,1sleep10-21swapper/107:07:371
3564079230,1sleep23564105-21apt-get12:00:112
3560049230,1sleep03560292-21expr11:50:120
3529853230,2sleep03530095-21cmp10:40:010
3463772230,1sleep23463800-21apt-get07:55:132
3443856231,1sleep00-21swapper/007:05:150
3580776220,1sleep13580972-21latency_hist12:40:021
3574944220,1sleep00-21swapper/012:25:160
3562098220,1sleep10-21swapper/111:55:151
3555449220,0sleep00-21swapper/011:40:000
3552060220,0sleep00-21swapper/011:30:160
3549870220,1sleep13549945-21ssh11:25:131
3539266220,0sleep00-21swapper/011:00:180
3538271220,1sleep00-21swapper/010:58:130
3526079220,1sleep23526366-21df10:30:142
3516024220,1sleep20-21swapper/210:05:172
3515253220,1sleep23515291-21latency_hist10:05:002
3511352220,1sleep00-21swapper/009:55:140
3508964220,2sleep23508967-21sendmail-mta09:50:082
3508028220,1sleep23508185-21users09:45:182
3495540220,0sleep20-21swapper/209:15:182
3494797220,0sleep03494823-21apt-get09:15:120
3492279221,0sleep04049252-21kworker/0:0+events09:06:430
3487197220,0sleep00-21swapper/008:55:130
3482232220,1sleep23482387-21sed08:40:182
3479398220,1sleep00-21swapper/008:35:130
3450301220,1sleep03450451-21ntp_states07:20:170
3580766210,0sleep00-21swapper/012:39:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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