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2025-12-12 - 15:35
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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 Fri Dec 12, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1546121370,5chrt15460-21cut23:20:201
228549912829,85cyclictest26-21ksoftirqd/120:50:181
228549912829,85cyclictest26-21ksoftirqd/120:50:171
228549912639,77cyclictest0-21swapper/123:10:161
228469911383,20cyclictest14-21ksoftirqd/019:35:120
228469910976,19cyclictest14-21ksoftirqd/023:50:140
228469910879,18cyclictest14-21ksoftirqd/019:40:140
228549910761,35cyclictest26-21ksoftirqd/100:20:131
22427210316,40sleep00-21swapper/019:07:340
228469910231,60cyclictest0-21swapper/019:30:140
228549910028,62cyclictest0-21swapper/123:25:151
228469910061,24cyclictest14-21ksoftirqd/022:55:160
228469910016,71cyclictest0-21swapper/000:10:150
228469910016,71cyclictest0-21swapper/000:10:140
228469910011,74cyclictest0-21swapper/022:15:160
22846999967,20cyclictest14-21ksoftirqd/021:25:150
22846999912,75cyclictest0-21swapper/000:35:160
22846999911,72cyclictest0-21swapper/019:50:250
22846999911,72cyclictest0-21swapper/019:50:240
22846999860,26cyclictest14-21ksoftirqd/020:10:140
22846999857,28cyclictest14-21ksoftirqd/023:00:160
22846999835,52cyclictest14-21ksoftirqd/020:00:130
22846999815,69cyclictest0-21swapper/023:30:150
22846999813,72cyclictest0-21swapper/021:45:160
22846999812,67cyclictest0-21swapper/023:35:160
22846999762,22cyclictest14-21ksoftirqd/022:20:230
22846999713,72cyclictest0-21swapper/021:20:160
22846999713,70cyclictest0-21swapper/020:55:120
22846999660,25cyclictest14-21ksoftirqd/023:05:140
22846999613,71cyclictest0-21swapper/022:35:150
22846999613,71cyclictest0-21swapper/022:35:140
22846999613,69cyclictest0-21swapper/023:20:160
22846999612,72cyclictest0-21swapper/023:40:120
22846999612,72cyclictest0-21swapper/021:00:150
22846999612,71cyclictest0-21swapper/022:30:150
22846999612,70cyclictest0-21swapper/022:25:140
2285499957,67cyclictest786-21diskmemload21:10:131
22846999516,69cyclictest0-21swapper/000:00:170
22846999516,66cyclictest0-21swapper/023:45:140
22846999515,68cyclictest0-21swapper/021:05:180
22846999513,71cyclictest0-21swapper/022:05:170
2249829517,32sleep10-21swapper/119:08:191
22854999432,43cyclictest26-21ksoftirqd/123:55:161
22854999410,66cyclictest0-21swapper/100:00:131
22846999460,25cyclictest14-21ksoftirqd/022:45:230
22846999460,25cyclictest14-21ksoftirqd/022:45:220
22846999415,68cyclictest22839-21cyclictest21:50:150
22846999414,68cyclictest0-21swapper/021:30:160
22846999413,69cyclictest0-21swapper/022:10:140
22846999413,69cyclictest0-21swapper/020:25:150
22846999412,69cyclictest0-21swapper/000:25:170
22846999411,70cyclictest0-21swapper/019:20:160
22846999411,69cyclictest0-21swapper/020:50:170
22846999411,69cyclictest0-21swapper/020:50:170
2284699939,71cyclictest0-21swapper/020:20:130
2284699936,58cyclictest0-21swapper/000:30:400
22846999314,66cyclictest0-21swapper/019:10:160
22846999313,68cyclictest0-21swapper/021:40:150
22846999313,68cyclictest0-21swapper/019:55:120
22846999313,68cyclictest0-21swapper/000:15:140
22846999312,70cyclictest0-21swapper/020:35:170
22846999312,69cyclictest0-21swapper/023:55:150
22846999312,67cyclictest0-21swapper/021:15:170
22846999311,70cyclictest0-21swapper/023:10:160
22846999311,70cyclictest0-21swapper/019:15:130
22846999311,68cyclictest0-21swapper/022:40:130
22854999212,63cyclictest0-21swapper/100:05:141
22846999256,24cyclictest14-21ksoftirqd/020:40:120
22846999213,68cyclictest0-21swapper/022:50:160
22846999212,68cyclictest0-21swapper/021:35:120
22846999212,68cyclictest0-21swapper/019:25:140
22846999212,66cyclictest0-21swapper/000:05:160
22854999130,45cyclictest9678-21seq21:35:111
22846999113,66cyclictest0-21swapper/023:25:130
22846999111,68cyclictest0-21swapper/020:30:150
22846999111,67cyclictest786-21diskmemload21:10:140
22846999111,67cyclictest0-21swapper/019:45:120
22846999013,66cyclictest0-21swapper/021:55:200
22846999012,67cyclictest0-21swapper/020:05:140
22846999010,68cyclictest0-21swapper/020:45:150
22854998911,57cyclictest0-21swapper/122:20:251
2284699895,55cyclictest0-21swapper/023:15:230
22854998816,53cyclictest0-21swapper/120:35:161
22846998812,64cyclictest0-21swapper/020:15:140
22854998711,55cyclictest0-21swapper/100:30:181
22854998612,53cyclictest0-21swapper/121:30:121
2284699865,52cyclictest0-21swapper/000:20:270
22854998336,31cyclictest0-21swapper/120:05:141
22854998233,30cyclictest0-21swapper/100:10:181
22854998233,30cyclictest0-21swapper/100:10:171
22854998032,31cyclictest0-21swapper/122:10:121
22854997933,26cyclictest0-21swapper/120:45:151
22854997839,17cyclictest26-21ksoftirqd/119:10:301
2284699777,60cyclictest18767-21apt-get22:00:140
2285499766,51cyclictest0-21swapper/122:05:181
22854997528,29cyclictest0-21swapper/119:50:241
22854997528,29cyclictest0-21swapper/119:50:231
22854997331,27cyclictest0-21swapper/123:50:131
2285499732,52cyclictest0-21swapper/121:55:171
22854997232,24cyclictest0-21swapper/123:00:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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