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2025-12-06 - 05:01
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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 Sat Dec 06, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290609911989,20cyclictest26-21ksoftirqd/122:05:241
290579911981,24cyclictest14-21ksoftirqd/023:30:150
290609910976,21cyclictest26-21ksoftirqd/120:45:231
290609910878,19cyclictest26-21ksoftirqd/123:55:141
290579910713,80cyclictest0-21swapper/022:55:130
290579910613,80cyclictest0-21swapper/022:35:220
290579910534,59cyclictest0-21swapper/022:25:190
290579910514,78cyclictest0-21swapper/019:15:150
290579910414,77cyclictest0-21swapper/021:15:160
290579910413,79cyclictest0-21swapper/023:25:170
290579910413,78cyclictest0-21swapper/022:05:220
290579910413,78cyclictest0-21swapper/020:15:130
290579910412,78cyclictest0-21swapper/000:15:130
290579910358,30cyclictest14-21ksoftirqd/021:55:130
290579910356,32cyclictest14-21ksoftirqd/023:20:150
290579910314,75cyclictest0-21swapper/019:40:140
290579910314,74cyclictest0-21swapper/019:55:140
290579910313,77cyclictest0-21swapper/000:30:150
290579910313,76cyclictest0-21swapper/023:10:130
290579910312,80cyclictest0-21swapper/019:30:120
290579910214,74cyclictest0-21swapper/021:40:120
290579910213,76cyclictest0-21swapper/021:05:160
290579910212,78cyclictest0-21swapper/021:00:240
290579910212,77cyclictest0-21swapper/000:00:130
290579910212,76cyclictest0-21swapper/020:10:170
290579910212,75cyclictest0-21swapper/021:30:130
290579910211,78cyclictest0-21swapper/021:20:150
290579910115,73cyclictest0-21swapper/022:45:130
290579910114,74cyclictest0-21swapper/023:15:160
290579910113,75cyclictest0-21swapper/023:00:140
290579910112,75cyclictest0-21swapper/020:05:120
290579910111,78cyclictest0-21swapper/023:40:230
290579910111,76cyclictest0-21swapper/023:35:240
290579910110,77cyclictest0-21swapper/020:20:160
290579910110,77cyclictest0-21swapper/020:20:150
290609910065,24cyclictest26-21ksoftirqd/119:10:121
290579910018,69cyclictest0-21swapper/020:00:150
290579910015,73cyclictest0-21swapper/000:35:130
290579910014,73cyclictest0-21swapper/021:50:130
290579910014,73cyclictest0-21swapper/021:50:120
290579910012,75cyclictest0-21swapper/020:30:160
290579910012,74cyclictest0-21swapper/000:20:230
290579910011,75cyclictest0-21swapper/022:00:130
290579910011,74cyclictest0-21swapper/021:10:150
29057999914,72cyclictest0-21swapper/022:15:180
29057999913,72cyclictest0-21swapper/021:45:130
29057999911,74cyclictest0-21swapper/023:50:140
29060999863,23cyclictest26-21ksoftirqd/123:35:261
29057999813,73cyclictest0-21swapper/019:20:250
29057999812,70cyclictest0-21swapper/023:45:150
29057999711,73cyclictest0-21swapper/020:25:150
29060999656,28cyclictest26-21ksoftirqd/123:25:171
29060999554,27cyclictest26-21ksoftirqd/100:30:171
29060999553,30cyclictest26-21ksoftirqd/123:15:161
29057999413,62cyclictest0-21swapper/000:10:110
29060999352,29cyclictest26-21ksoftirqd/100:25:191
29057999312,61cyclictest0-21swapper/022:40:150
2906099927,72cyclictest26-21ksoftirqd/123:05:141
29060999250,30cyclictest26-21ksoftirqd/119:40:161
29057999210,24cyclictest0-21swapper/022:10:140
29057999210,20cyclictest0-21swapper/019:25:130
29060999052,27cyclictest26-21ksoftirqd/121:45:131
29060998949,31cyclictest26-21ksoftirqd/121:25:141
29060998948,32cyclictest26-21ksoftirqd/100:00:151
29060998943,38cyclictest26-21ksoftirqd/123:10:121
29060998920,38cyclictest26-21ksoftirqd/100:05:131
29060998920,38cyclictest26-21ksoftirqd/100:05:121
2905799897,22cyclictest0-21swapper/019:45:160
29060998851,28cyclictest26-21ksoftirqd/119:50:131
29060998846,32cyclictest26-21ksoftirqd/122:40:161
29060998813,62cyclictest0-21swapper/123:50:141
29060998747,29cyclictest26-21ksoftirqd/119:45:151
29060998740,35cyclictest26-21ksoftirqd/119:55:131
29060998712,30cyclictest0-21swapper/121:20:151
29057998712,65cyclictest0-21swapper/020:35:130
29057998712,65cyclictest0-21swapper/020:35:120
29060998650,28cyclictest26-21ksoftirqd/120:55:131
29060998636,40cyclictest26-21ksoftirqd/120:20:131
29060998636,40cyclictest26-21ksoftirqd/120:20:131
29060998635,39cyclictest26-21ksoftirqd/121:35:131
29060998635,38cyclictest26-21ksoftirqd/120:05:101
2905799857,27cyclictest3738-21chrt22:30:150
29060998412,60cyclictest0-21swapper/119:25:101
29057998410,20cyclictest11058-21apt-get22:50:160
29057998410,20cyclictest11058-21apt-get22:50:160
29060998336,38cyclictest26-21ksoftirqd/121:30:121
29060998335,40cyclictest26-21ksoftirqd/122:50:161
29060998335,40cyclictest26-21ksoftirqd/122:50:151
29060998332,41cyclictest26-21ksoftirqd/120:30:161
29060998234,39cyclictest0-21swapper/123:00:111
29060998234,38cyclictest26-21ksoftirqd/122:30:121
29060998232,41cyclictest26-21ksoftirqd/121:40:101
2905799829,19cyclictest16291-21apt-get23:05:120
29057998212,60cyclictest0-21swapper/022:20:180
29060998132,40cyclictest26-21ksoftirqd/123:45:161
29060998132,39cyclictest26-21ksoftirqd/122:35:261
2905799818,20cyclictest16561-21apt-get21:35:140
2731428135,30sleep00-21swapper/019:05:140
29060998031,35cyclictest26-21ksoftirqd/123:30:111
29060998013,57cyclictest0-21swapper/122:15:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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