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2026-05-09 - 17:43
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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 May 09, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416878099150,9cyclictest0-21swapper/308:10:133
416878099140,12cyclictest0-21swapper/308:00:113
416878099130,12cyclictest0-21swapper/307:25:003
4168780991212,0cyclictest0-21swapper/312:24:463
4168780991211,0cyclictest0-21swapper/310:45:173
4168780991211,0cyclictest0-21swapper/308:25:133
416878099120,8cyclictest0-21swapper/310:55:123
416878099120,11cyclictest0-21swapper/311:55:023
416878099120,10cyclictest0-21swapper/308:40:113
4168780991111,0cyclictest0-21swapper/311:00:203
4168780991111,0cyclictest0-21swapper/309:40:013
4168780991111,0cyclictest0-21swapper/308:40:013
4168780991110,1cyclictest0-21swapper/310:35:123
4168780991110,0cyclictest0-21swapper/311:30:123
4168780991110,0cyclictest0-21swapper/310:25:143
4168780991110,0cyclictest0-21swapper/308:50:123
4168780991110,0cyclictest0-21swapper/308:45:113
416878099110,8cyclictest0-21swapper/309:15:203
416878099110,10cyclictest0-21swapper/310:25:003
416878099110,0cyclictest0-21swapper/307:25:173
416878099109,0cyclictest0-21swapper/312:15:113
416878099109,0cyclictest0-21swapper/312:10:123
416878099109,0cyclictest0-21swapper/311:10:113
416878099109,0cyclictest0-21swapper/310:40:153
416878099108,1cyclictest0-21swapper/308:55:103
4168780991010,0cyclictest0-21swapper/311:45:163
4168780991010,0cyclictest0-21swapper/311:40:113
4168780991010,0cyclictest0-21swapper/311:15:123
4168780991010,0cyclictest0-21swapper/310:05:133
4168780991010,0cyclictest0-21swapper/309:55:183
4168780991010,0cyclictest0-21swapper/309:40:133
4168780991010,0cyclictest0-21swapper/308:30:173
4168780991010,0cyclictest0-21swapper/307:45:013
416878099100,8cyclictest0-21swapper/311:55:123
416878099100,0cyclictest0-21swapper/312:30:013
416878099100,0cyclictest0-21swapper/309:05:183
41687809999,0cyclictest0-21swapper/311:35:153
41687809999,0cyclictest0-21swapper/309:25:133
41687809999,0cyclictest0-21swapper/308:20:143
41687809999,0cyclictest0-21swapper/307:45:113
41687809998,0cyclictest0-21swapper/311:20:133
41687809998,0cyclictest0-21swapper/307:30:203
41687809998,0cyclictest0-21swapper/307:15:123
41687809997,1cyclictest0-21swapper/309:50:123
41687809990,8cyclictest0-21swapper/311:05:173
41687809990,8cyclictest0-21swapper/310:00:163
41687809988,0cyclictest0-21swapper/312:35:023
41687809988,0cyclictest0-21swapper/312:00:123
41687809988,0cyclictest0-21swapper/309:20:123
41687809988,0cyclictest0-21swapper/307:50:193
4166975281,4sleep30-21swapper/307:05:133
41687809970,6cyclictest0-21swapper/309:30:173
41687809970,0cyclictest0-21swapper/307:35:133
41687809970,0cyclictest0-21swapper/307:10:173
41687809966,0cyclictest0-21swapper/307:55:213
41687809965,0cyclictest0-21swapper/311:25:133
41687809965,0cyclictest0-21swapper/310:20:013
41687809965,0cyclictest0-21swapper/310:10:193
41687809964,1cyclictest0-21swapper/308:15:123
4168276260,4sleep24168277-21sshd07:05:252
41687809955,0cyclictest0-21swapper/309:10:133
41687809955,0cyclictest0-21swapper/309:10:123
41687809954,0cyclictest0-21swapper/310:30:183
41687809951,2cyclictest0-21swapper/310:50:113
41687809950,5cyclictest0-21swapper/309:45:173
41687809950,2cyclictest0-21swapper/312:05:133
4177069240,3sleep14177095-21apt-get07:30:141
41687809944,0cyclictest0-21swapper/312:36:143
41687809940,4cyclictest0-21swapper/308:05:203
41687809940,2cyclictest0-21swapper/309:00:133
4168297242,1sleep10-21swapper/107:05:401
86894230,1sleep086920-21apt-get11:45:110
70288230,2sleep070527-21expr11:05:130
4181077231,1sleep0171ktimers/007:40:120
4167066231,1sleep00-21swapper/007:05:150
89243220,0sleep189269-21apt-get11:50:131
84036220,0sleep00-21swapper/011:35:310
80624220,1sleep00-21swapper/011:30:100
80372220,1sleep280399-21perf11:30:012
63207220,0sleep00-21swapper/010:45:490
62301220,1sleep162814-21lsb_release10:45:181
57322220,1sleep10-21swapper/110:35:121
5725220,1sleep25942-21users08:25:222
52540220,0sleep00-21swapper/010:21:470
4776220,1sleep00-21swapper/008:25:160
4187487220,1sleep24187069-21/usr/sbin/munin07:55:162
4183418220,1sleep24183502-21irqstats07:45:162
4175601220,0sleep04175766-21load07:25:150
36468220,0sleep00-21swapper/009:45:120
34614220,1sleep134758-21cat09:40:181
30036220,1sleep20-21swapper/209:30:132
105940220,1sleep2105966-21apt-get12:30:132
99416210,0sleep00-21swapper/012:15:010
99020210,1sleep20-21swapper/212:11:272
97648210,0sleep00-21swapper/012:10:130
96304210,0sleep20-21swapper/212:05:202
95507210,0sleep00-21swapper/012:05:130
94227210,0sleep20-21swapper/212:00:182
93468210,0sleep10-21swapper/112:00:131
93428210,0sleep00-21swapper/012:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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