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2026-05-13 - 00:55
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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 Tue May 12, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3683843991411,1cyclictest0-21swapper/308:40:123
368384399138,3cyclictest0-21swapper/309:00:133
3683843991311,1cyclictest0-21swapper/310:35:133
368384399130,1cyclictest0-21swapper/309:10:143
368384399130,1cyclictest0-21swapper/309:10:133
368384399130,12cyclictest0-21swapper/308:35:123
368384399130,11cyclictest0-21swapper/312:25:113
3683843991211,0cyclictest0-21swapper/312:35:013
3683843991211,0cyclictest0-21swapper/310:40:123
368384399120,1cyclictest0-21swapper/309:05:123
368384399120,11cyclictest0-21swapper/309:50:023
368384399120,11cyclictest0-21swapper/309:15:213
368384399120,11cyclictest0-21swapper/308:00:193
368384399120,10cyclictest0-21swapper/310:30:123
3683843991110,0cyclictest0-21swapper/311:27:133
368384399110,10cyclictest0-21swapper/311:10:183
368384399110,10cyclictest0-21swapper/307:50:183
368384399110,10cyclictest0-21swapper/307:50:013
368384399110,0cyclictest0-21swapper/310:10:133
368384399110,0cyclictest0-21swapper/307:45:003
368384399109,0cyclictest0-21swapper/307:10:123
3683843991010,0cyclictest0-21swapper/311:40:003
3683843991010,0cyclictest0-21swapper/311:30:113
3683843991010,0cyclictest0-21swapper/310:45:143
3683843991010,0cyclictest0-21swapper/310:05:143
3683843991010,0cyclictest0-21swapper/309:55:183
3683843991010,0cyclictest0-21swapper/309:30:183
3683843991010,0cyclictest0-21swapper/307:32:383
368384399100,9cyclictest0-21swapper/308:55:013
368384399100,0cyclictest0-21swapper/310:50:183
368384399100,0cyclictest0-21swapper/309:20:123
368384399100,0cyclictest0-21swapper/308:30:013
368384399100,0cyclictest0-21swapper/307:25:003
368384399100,0cyclictest0-21swapper/307:20:013
36838439999,0cyclictest0-21swapper/309:40:143
36838439999,0cyclictest0-21swapper/309:35:133
36838439999,0cyclictest0-21swapper/308:15:123
36838439999,0cyclictest0-21swapper/307:55:123
36838439998,0cyclictest0-21swapper/312:10:133
36838439998,0cyclictest0-21swapper/309:45:123
36838439998,0cyclictest0-21swapper/307:20:123
36838439990,8cyclictest0-21swapper/312:30:363
36838439990,8cyclictest0-21swapper/311:19:553
36838439990,8cyclictest0-21swapper/311:05:013
36838439990,0cyclictest0-21swapper/307:35:173
36838439988,0cyclictest0-21swapper/311:05:133
36838439988,0cyclictest0-21swapper/310:15:173
36838439988,0cyclictest0-21swapper/309:29:573
36838439988,0cyclictest0-21swapper/308:15:013
36838439988,0cyclictest0-21swapper/308:05:113
36838439977,0cyclictest0-21swapper/312:05:173
36838439977,0cyclictest0-21swapper/308:35:003
36838439970,6cyclictest0-21swapper/310:00:193
3682818271,4sleep30-21swapper/307:05:203
36838439966,0cyclictest0-21swapper/311:55:013
36838439966,0cyclictest0-21swapper/311:45:193
36838439966,0cyclictest0-21swapper/310:26:563
36838439966,0cyclictest0-21swapper/310:20:123
36838439966,0cyclictest0-21swapper/308:55:023
36838439960,0cyclictest0-21swapper/311:55:213
36838439955,0cyclictest0-21swapper/312:15:133
36838439955,0cyclictest0-21swapper/312:04:583
36838439955,0cyclictest0-21swapper/311:42:393
36838439955,0cyclictest0-21swapper/311:20:123
36838439955,0cyclictest0-21swapper/310:57:483
36838439954,0cyclictest0-21swapper/308:20:143
36838439940,3cyclictest3813549-21chrt12:24:193
36838439940,3cyclictest3722987-21chrt08:46:443
3682936241,2sleep00-21swapper/007:05:210
3682085240,2sleep23682226-21sh07:05:152
3682045241,1sleep10-21swapper/107:05:141
3819354230,1sleep03819604-21users12:35:210
3807613230,2sleep13807731-21stty12:10:131
3788932230,2sleep23789123-21grep11:25:152
3717734230,1sleep13717760-21apt-get08:35:101
3705983230,0sleep00-21swapper/008:05:120
3817665220,1sleep00-21swapper/012:33:520
3812595220,1sleep23812771-21python312:20:192
3811860220,1sleep13811978-21aten2.4-expect12:20:141
3811055220,1sleep00-21swapper/012:15:510
3807732220,1sleep23807999-21expr12:10:132
3805280220,1sleep20-21swapper/212:05:012
3800919220,1sleep13800921-21ssh11:53:271
3797279220,1sleep03797426-21cpuspeed11:45:140
3790665220,1sleep03790701-21munin-run11:30:000
3785090220,1sleep03785173-21kernelversion11:15:160
3777751220,0sleep00-21swapper/010:56:380
3772308220,1sleep13772391-21ssh10:45:161
3770227220,1sleep20-21swapper/210:40:152
3769937220,1sleep10-21swapper/110:40:141
3768436220,1sleep23768532-21awk10:35:202
3760479220,1sleep00-21swapper/010:16:440
3748959220,0sleep00-21swapper/009:50:140
3742219220,1sleep13742489-21df_inode09:35:141
3738006220,1sleep03738117-21aten_r1power_po09:25:130
3736072220,1sleep13736259-21cat09:20:131
3733686220,1sleep03733729-21aten_r1power_cu09:15:130
3730133220,1sleep13730275-21ntp_states09:05:171
3729145221,1sleep23729146-21sshd09:03:372
3723674220,1sleep03723921-21diskstats08:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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