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2025-07-06 - 00:27
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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 376 highest latencies:
System rack3slot6.osadl.org (updated Sat Jul 05, 2025 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191929913566,27cyclictest26-21ksoftirqd/107:50:141
191869912188,20cyclictest14-21ksoftirqd/009:25:150
191869912053,54cyclictest14-21ksoftirqd/009:45:140
191869911178,21cyclictest14-21ksoftirqd/011:20:150
191869910980,17cyclictest14-21ksoftirqd/007:25:160
191869910970,25cyclictest14-21ksoftirqd/007:35:140
191869910865,29cyclictest14-21ksoftirqd/008:10:150
191929910771,23cyclictest26-21ksoftirqd/108:30:151
191869910712,80cyclictest0-21swapper/010:30:130
191869910712,80cyclictest0-21swapper/007:10:150
19186991059,32cyclictest0-21swapper/008:50:150
191869910510,79cyclictest0-21swapper/010:05:140
191869910413,79cyclictest0-21swapper/008:05:130
191869910413,79cyclictest0-21swapper/007:40:130
191869910313,78cyclictest0-21swapper/007:55:140
191869910012,70cyclictest0-21swapper/008:25:160
19186999961,27cyclictest14-21ksoftirqd/012:35:160
19186999915,72cyclictest0-21swapper/011:25:130
19186999912,73cyclictest0-21swapper/009:50:150
19186999853,33cyclictest14-21ksoftirqd/008:15:140
1918699982,68cyclictest5465-21basename08:00:190
19186999813,72cyclictest0-21swapper/012:20:130
19186999812,72cyclictest0-21swapper/007:20:190
19186999811,74cyclictest0-21swapper/012:15:160
19186999810,27cyclictest0-21swapper/009:30:160
1918699975,63cyclictest0-21swapper/009:10:350
19186999744,41cyclictest14-21ksoftirqd/009:00:140
19186999714,69cyclictest0-21swapper/010:50:150
19186999712,72cyclictest0-21swapper/010:45:120
19186999712,72cyclictest0-21swapper/010:40:160
19186999712,69cyclictest0-21swapper/011:10:160
19186999710,66cyclictest0-21swapper/008:35:150
19186999710,66cyclictest0-21swapper/008:35:150
1876329717,31sleep10-21swapper/107:07:251
19186999613,72cyclictest0-21swapper/009:55:130
19186999612,72cyclictest0-21swapper/011:15:150
19186999612,72cyclictest0-21swapper/009:20:150
19186999612,72cyclictest0-21swapper/009:20:150
19186999612,72cyclictest0-21swapper/009:15:130
19186999611,71cyclictest0-21swapper/010:25:140
19186999611,71cyclictest0-21swapper/008:20:140
19186999611,70cyclictest0-21swapper/010:35:140
19186999611,70cyclictest0-21swapper/010:35:140
19186999610,73cyclictest0-21swapper/010:55:120
19192999548,35cyclictest26-21ksoftirqd/110:55:141
19186999513,67cyclictest0-21swapper/009:35:150
19186999511,71cyclictest0-21swapper/012:05:160
19186999511,70cyclictest0-21swapper/011:05:160
19186999511,69cyclictest0-21swapper/011:00:140
19192999444,34cyclictest26-21ksoftirqd/111:15:171
19186999413,66cyclictest0-21swapper/012:25:150
19186999412,69cyclictest0-21swapper/007:50:170
19186999412,68cyclictest0-21swapper/010:10:140
1918699939,70cyclictest0-21swapper/011:55:230
19186999313,66cyclictest0-21swapper/008:55:220
19186999311,67cyclictest0-21swapper/009:05:150
19186999311,66cyclictest0-21swapper/009:40:150
19192999213,26cyclictest0-21swapper/110:00:151
19186999211,68cyclictest0-21swapper/011:45:160
19186999211,67cyclictest0-21swapper/007:30:140
19186999211,62cyclictest0-21swapper/012:00:130
19186999210,66cyclictest0-21swapper/007:45:160
19192999144,33cyclictest26-21ksoftirqd/109:00:141
1918699919,66cyclictest0-21swapper/011:40:140
19186999110,65cyclictest0-21swapper/008:40:190
19192999011,64cyclictest0-21swapper/111:25:151
19192999010,63cyclictest0-21swapper/109:30:151
19186999032,39cyclictest14-21ksoftirqd/010:15:140
19186999013,61cyclictest0-21swapper/011:30:140
19186999011,64cyclictest0-21swapper/007:15:140
19192998912,63cyclictest0-21swapper/108:45:151
19192998911,65cyclictest0-21swapper/110:20:151
1918699899,68cyclictest0-21swapper/010:00:140
19192998812,59cyclictest0-21swapper/111:35:161
19192998810,59cyclictest0-21swapper/111:00:161
1918699886,72cyclictest22608-21apt-get10:20:150
19192998738,33cyclictest26-21ksoftirqd/112:35:151
19192998613,60cyclictest0-21swapper/112:20:161
1919299853,61cyclictest0-21swapper/108:10:131
1919299838,60cyclictest0-21swapper/109:35:131
19192998311,53cyclictest0-21swapper/112:10:151
1918699835,57cyclictest0-21swapper/011:35:150
19192998212,50cyclictest0-21swapper/109:20:161
19192998212,50cyclictest0-21swapper/109:20:161
1918699817,63cyclictest29364-21apt-get12:10:120
19192998010,48cyclictest30014-21diskmemload09:10:301
1918699803,70cyclictest429-21rs:main0
19192997836,31cyclictest0-21swapper/112:05:131
19192997834,29cyclictest0-21swapper/107:20:171
19192997832,35cyclictest0-21swapper/107:35:131
1918699785,10cyclictest0-21swapper/012:30:300
1866927818,49sleep00-21swapper/007:06:230
19192997630,26cyclictest0-21swapper/110:25:171
19192997627,29cyclictest0-21swapper/110:15:171
1918699765,66cyclictest0-21swapper/008:50:010
19192997534,29cyclictest0-21swapper/108:35:171
19192997534,29cyclictest0-21swapper/108:35:171
19192997529,29cyclictest0-21swapper/108:40:171
19192997526,31cyclictest0-21swapper/111:40:141
1918699757,59cyclictest15821-21apt-get08:30:150
1919299748,48cyclictest0-21swapper/112:30:181
19192997429,27cyclictest0-21swapper/110:45:141
19192997224,28cyclictest0-21swapper/109:25:181
19192997213,37cyclictest0-21swapper/109:45:131
19192997129,25cyclictest0-21swapper/112:25:141
19192996924,28cyclictest0-21swapper/107:45:151
19192996924,27cyclictest0-21swapper/107:15:171
19192996916,29cyclictest0-21swapper/107:40:151
19192996913,32cyclictest0-21swapper/108:00:141
19192996813,34cyclictest0-21swapper/111:50:151
19192996722,27cyclictest0-21swapper/109:15:161
19192996613,32cyclictest0-21swapper/111:45:181
19192996612,31cyclictest0-21swapper/110:10:151
19192996612,31cyclictest0-21swapper/109:55:141
19192996412,31cyclictest0-21swapper/111:05:171
19192996312,31cyclictest0-21swapper/110:50:161
19192996312,30cyclictest0-21swapper/111:10:191
19192996212,29cyclictest0-21swapper/109:40:171
19192996137,16cyclictest27664-21awk10:35:001
19192996110,16cyclictest26-21ksoftirqd/110:10:011
19192996042,12cyclictest0-21swapper/111:55:201
19192996010,15cyclictest26-21ksoftirqd/108:10:011
19192995928,14cyclictest26-21ksoftirqd/108:55:001
1919299592,12cyclictest25314-21appstreamcli07:25:041
19192995831,19cyclictest420-21dbus-daemon10:39:001
19192995831,19cyclictest420-21dbus-daemon10:39:001
19192995816,14cyclictest26-21ksoftirqd/107:15:011
1919299573,47cyclictest25390-21uname08:55:351
19192995730,19cyclictest29979-21sshd10:40:221
19192995633,17cyclictest26-21ksoftirqd/111:30:371
19192995438,10cyclictest0-21swapper/109:05:351
1919299543,27cyclictest5182-21cat08:00:011
1919299543,11cyclictest27406-21df07:30:201
19192995332,15cyclictest26565-21ntp_states12:00:311
1919299533,20cyclictest13918-21munin-run08:25:011
1919299533,13cyclictest12341-21grep09:50:191
19192995326,20cyclictest11621-21sshd08:15:371
19192995236,9cyclictest26-21ksoftirqd/111:22:511
1919299523,11cyclictest32698-21munin-run12:20:011
1919299503,24cyclictest15335-21taskset08:26:441
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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