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2026-07-07 - 22:06
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6.osadl.org (updated Tue Jul 07, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9585999467,13cyclictest14-21ksoftirqd/011:25:120
907029219,27sleep00-21swapper/007:06:290
899929221,24sleep10-21swapper/107:05:441
9585999057,21cyclictest14-21ksoftirqd/009:25:150
9585998765,11cyclictest14-21ksoftirqd/007:30:160
301512870,6sleep10-21swapper/109:35:331
320982840,9chrt0-21swapper/108:10:231
9585998253,18cyclictest14-21ksoftirqd/009:55:120
9585998153,16cyclictest14-21ksoftirqd/011:15:150
9585998153,16cyclictest14-21ksoftirqd/007:15:250
9585998152,18cyclictest14-21ksoftirqd/010:00:160
9585998150,18cyclictest0-21swapper/008:55:130
9585998150,17cyclictest14-21ksoftirqd/011:30:140
9585998115,50cyclictest0-21swapper/010:30:240
958599787,29cyclictest23921-21tr09:20:000
9585997851,16cyclictest14-21ksoftirqd/009:45:120
9585997850,17cyclictest14-21ksoftirqd/010:05:130
9585997844,22cyclictest14-21ksoftirqd/011:10:130
9585997752,17cyclictest14-21ksoftirqd/008:05:150
9585997651,17cyclictest14-21ksoftirqd/009:40:220
9585997526,43cyclictest0-21swapper/007:10:140
9585997245,17cyclictest14-21ksoftirqd/011:05:150
9585997241,17cyclictest0-21swapper/011:42:110
100602720,5chrt9573-21apt-get08:40:061
9585997142,16cyclictest0-21swapper/010:10:130
9585997141,17cyclictest0-21swapper/010:15:250
9585997140,23cyclictest0-21swapper/012:35:150
9585997139,20cyclictest14-21ksoftirqd/012:05:130
9585997045,16cyclictest14-21ksoftirqd/008:40:250
9585997042,17cyclictest0-21swapper/008:35:150
9585997042,16cyclictest0-21swapper/010:50:140
9585997041,22cyclictest14-21ksoftirqd/008:30:170
9585996942,17cyclictest14-21ksoftirqd/007:40:150
9585996941,15cyclictest0-21swapper/007:45:140
9585996941,15cyclictest0-21swapper/007:45:140
9585996937,25cyclictest14-21ksoftirqd/007:55:140
959099686,45cyclictest151rcu_preempt09:05:181
9590996844,9cyclictest26-21ksoftirqd/108:53:451
9590996844,9cyclictest26-21ksoftirqd/107:49:571
9590996844,9cyclictest26-21ksoftirqd/107:49:571
9585996839,16cyclictest0-21swapper/010:45:250
9585996837,18cyclictest0-21swapper/010:55:260
9590996743,9cyclictest26-21ksoftirqd/107:43:361
9585996739,15cyclictest0-21swapper/011:50:160
9585996739,15cyclictest0-21swapper/010:25:140
9585996739,15cyclictest0-21swapper/010:25:140
958599673,58cyclictest20413-21diskmemload09:10:280
9590996626,21cyclictest26-21ksoftirqd/109:20:001
9585996638,17cyclictest0-21swapper/011:45:130
9585996638,16cyclictest0-21swapper/008:10:150
9585996638,16cyclictest0-21swapper/008:00:130
9585996536,16cyclictest0-21swapper/008:45:150
9585996535,18cyclictest0-21swapper/011:35:130
9585996535,18cyclictest0-21swapper/011:35:130
9585996535,18cyclictest0-21swapper/010:35:140
9585996442,12cyclictest0-21swapper/008:25:130
9585996438,16cyclictest0-21swapper/012:30:130
9585996438,14cyclictest246262sleep007:50:090
9585996435,16cyclictest0-21swapper/009:00:150
9585996420,38cyclictest2897-21aten2.4-expect08:20:190
9585996414,40cyclictest2535-21aten2.4-expect09:50:160
9590996313,18cyclictest13824-21aten2.4-expect11:50:171
958599638,48cyclictest0-21swapper/009:30:310
9585996340,13cyclictest0-21swapper/010:20:140
9585996337,16cyclictest0-21swapper/012:20:270
9585996333,18cyclictest0-21swapper/009:35:130
9585996312,35cyclictest0-21swapper/012:10:110
9590996226,30cyclictest0-21swapper/107:20:151
958599625,51cyclictest0-21swapper/008:50:300
9585996232,18cyclictest0-21swapper/010:40:130
9585996232,17cyclictest0-21swapper/012:00:160
9585996231,20cyclictest14-21ksoftirqd/012:15:140
9590996122,21cyclictest26-21ksoftirqd/108:31:351
9590996121,24cyclictest26-21ksoftirqd/111:50:001
9590996119,19cyclictest26-21ksoftirqd/112:31:301
9590996115,14cyclictest151rcu_preempt10:15:041
9590996114,17cyclictest1315-21diskstats08:15:191
9590996110,15cyclictest151rcu_preempt07:15:071
9585996133,20cyclictest16635-21find07:25:340
9585996114,37cyclictest0-21swapper/007:35:150
959099603,40cyclictest4459-21cat11:25:011
9590996025,12cyclictest26-21ksoftirqd/109:25:011
9590996018,20cyclictest26-21ksoftirqd/110:31:401
9590996018,14cyclictest26-21ksoftirqd/110:51:001
9590996013,21cyclictest26-21ksoftirqd/111:40:361
958599606,22cyclictest16651-21runrttasks11:56:200
9585996033,15cyclictest562-21runrttasks08:15:100
9585996030,17cyclictest0-21swapper/012:25:150
9585996029,19cyclictest0-21swapper/007:20:140
959099599,17cyclictest26-21ksoftirqd/112:15:171
959099597,13cyclictest26-21ksoftirqd/111:00:111
959099592,36cyclictest9584-21sendmail08:40:001
9590995919,20cyclictest26-21ksoftirqd/110:22:161
9590995919,19cyclictest26-21ksoftirqd/107:13:401
9590995917,19cyclictest26-21ksoftirqd/111:26:261
9590995916,17cyclictest26964-21users09:25:381
9590995913,15cyclictest151rcu_preempt07:35:011
9590995912,19cyclictest9223-21seq10:09:011
9590995911,14cyclictest151rcu_preempt11:09:001
9585995930,17cyclictest0-21swapper/011:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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