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2025-06-28 - 23:13
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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 Jun 28, 2025 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2379213338,77sleep10-21swapper/107:05:201
37419911085,16cyclictest14-21ksoftirqd/010:50:210
37419910971,25cyclictest14-21ksoftirqd/008:35:190
37419910846,47cyclictest261-21systemd-journal10:15:180
37419910846,47cyclictest261-21systemd-journal10:15:180
37419910812,81cyclictest0-21swapper/007:15:150
37419910812,81cyclictest0-21swapper/007:15:140
37419910812,80cyclictest0-21swapper/008:45:160
37419910712,80cyclictest0-21swapper/012:00:150
3741991037,43cyclictest14742-31find07:40:140
37419910311,78cyclictest0-21swapper/012:30:150
37419910156,33cyclictest14-21ksoftirqd/010:55:170
37419910065,26cyclictest14-21ksoftirqd/011:40:150
3741999754,33cyclictest14-21ksoftirqd/007:25:130
3741999754,31cyclictest0-21swapper/009:05:160
374199956,60cyclictest515-21ntpd07:55:130
3741999556,29cyclictest14-21ksoftirqd/010:25:190
3741999449,33cyclictest14-21ksoftirqd/007:20:170
3741999449,32cyclictest14-21ksoftirqd/008:15:180
3741999449,32cyclictest14-21ksoftirqd/007:35:180
3741999412,66cyclictest0-21swapper/009:55:130
3741999319,53cyclictest0-21swapper/008:30:140
3741999313,65cyclictest0-21swapper/009:30:200
3741999250,31cyclictest14-21ksoftirqd/007:30:140
3741999249,30cyclictest14-21ksoftirqd/011:35:180
3741999241,34cyclictest14-21ksoftirqd/009:15:160
3741999211,66cyclictest0-21swapper/012:20:160
374199907,64cyclictest14881-21diskmemload09:10:150
3741999035,38cyclictest14-21ksoftirqd/012:10:150
3741999021,46cyclictest0-21swapper/010:35:180
3741999012,62cyclictest0-21swapper/008:10:130
3741999012,62cyclictest0-21swapper/007:10:190
3741999012,61cyclictest0-21swapper/011:20:160
374199899,64cyclictest0-21swapper/011:30:260
3741998921,45cyclictest0-21swapper/008:20:190
3741998917,54cyclictest0-21swapper/009:40:160
3741998916,53cyclictest0-21swapper/010:40:160
3741998914,55cyclictest0-21swapper/011:50:180
3741998912,62cyclictest0-21swapper/009:25:150
3741998911,66cyclictest0-21swapper/011:10:190
3741998910,64cyclictest0-21swapper/009:20:150
3741998822,44cyclictest0-21swapper/010:20:160
3741998815,54cyclictest0-21swapper/008:00:180
3741998815,53cyclictest0-21swapper/012:25:170
3741998813,51cyclictest0-21swapper/008:40:140
3741998731,36cyclictest14-21ksoftirqd/010:10:150
3741998717,52cyclictest9944-21runrttasks11:57:240
3741998717,51cyclictest0-21swapper/011:15:190
3741998712,63cyclictest0-21swapper/012:35:140
3741998712,61cyclictest0-21swapper/010:45:150
3741998712,57cyclictest0-21swapper/011:25:170
3741998711,57cyclictest0-21swapper/007:50:180
374199868,56cyclictest32573-21chrt10:00:200
374199867,58cyclictest817-21gpm11:00:210
374199866,56cyclictest10951-21chrt10:30:130
3741998619,45cyclictest0-21swapper/007:45:150
3741998616,49cyclictest0-21swapper/009:50:150
3741998613,30cyclictest0-21swapper/012:15:170
3741998612,59cyclictest0-21swapper/010:05:140
3741998515,48cyclictest0-21swapper/008:05:150
3741998513,52cyclictest0-21swapper/011:45:150
374499846,61cyclictest7468-21apt-get10:20:151
3741998416,47cyclictest0-21swapper/009:00:180
3741998414,49cyclictest0-21swapper/012:05:150
3741998412,50cyclictest0-21swapper/008:50:140
3741998318,46cyclictest0-21swapper/011:05:180
3741998313,49cyclictest0-21swapper/009:45:150
3741998313,48cyclictest0-21swapper/009:35:150
3741998013,48cyclictest0-21swapper/008:55:170
3741997724,35cyclictest14-21ksoftirqd/008:25:270
374499766,48cyclictest14742-31find07:40:151
343127518,48sleep00-21swapper/007:08:380
62162680,6chrt6214-21aten2.4_r3power07:15:191
62162680,6chrt6214-21aten2.4_r3power07:15:191
3744996246,9cyclictest26-21ksoftirqd/107:12:151
374499618,44cyclictest25590-21apt-get09:40:161
374499615,37cyclictest0-21swapper/111:00:231
3744996142,11cyclictest26-21ksoftirqd/112:05:371
3744996138,10cyclictest26-21ksoftirqd/107:55:291
3744996137,17cyclictest25029-21aten2.4_r3power11:10:201
3744996042,11cyclictest26-21ksoftirqd/108:15:341
3744996040,13cyclictest26-21ksoftirqd/111:15:391
3744996039,16cyclictest26-21ksoftirqd/110:00:161
3744996036,18cyclictest26-21ksoftirqd/112:20:211
3744996031,16cyclictest26-21ksoftirqd/108:25:221
374499595,49cyclictest0-21swapper/109:15:131
3744995942,10cyclictest26-21ksoftirqd/112:30:201
3744995942,10cyclictest26-21ksoftirqd/107:50:311
3744995941,10cyclictest26-21ksoftirqd/107:45:201
3744995941,10cyclictest26-21ksoftirqd/107:24:351
3744995939,15cyclictest26-21ksoftirqd/111:06:291
3744995939,12cyclictest26-21ksoftirqd/109:25:201
3744995931,21cyclictest6292-21sshd11:45:411
3744995842,10cyclictest26-21ksoftirqd/111:30:081
3744995841,11cyclictest26-21ksoftirqd/110:25:211
3744995841,10cyclictest26-21ksoftirqd/108:40:011
3744995841,10cyclictest26-21ksoftirqd/108:30:401
3744995840,12cyclictest26-21ksoftirqd/108:50:371
3744995840,11cyclictest26-21ksoftirqd/112:35:291
3744995840,11cyclictest26-21ksoftirqd/110:55:201
3744995840,11cyclictest26-21ksoftirqd/109:10:231
3744995840,10cyclictest26-21ksoftirqd/109:55:311
3744995839,13cyclictest26-21ksoftirqd/108:05:151
3744995839,12cyclictest26-21ksoftirqd/110:45:201
3744995839,11cyclictest26-21ksoftirqd/111:40:391
3744995839,11cyclictest26-21ksoftirqd/107:30:011
3744995839,10cyclictest26-21ksoftirqd/112:10:271
3744995839,10cyclictest26-21ksoftirqd/110:10:221
3744995838,13cyclictest26-21ksoftirqd/109:20:201
374499583,37cyclictest151rcu_preempt11:40:001
3744995741,10cyclictest26-21ksoftirqd/109:50:211
3744995741,10cyclictest26-21ksoftirqd/109:05:251
3744995740,11cyclictest26-21ksoftirqd/109:45:241
3744995740,11cyclictest26-21ksoftirqd/109:00:291
3744995740,10cyclictest26-21ksoftirqd/112:00:241
3744995740,10cyclictest26-21ksoftirqd/110:50:361
3744995740,10cyclictest26-21ksoftirqd/110:15:421
3744995740,10cyclictest26-21ksoftirqd/110:15:421
3744995740,10cyclictest26-21ksoftirqd/107:30:201
3744995739,11cyclictest26-21ksoftirqd/111:25:381
3744995739,11cyclictest26-21ksoftirqd/110:30:201
3744995739,11cyclictest26-21ksoftirqd/110:06:571
3744995739,11cyclictest26-21ksoftirqd/108:45:211
3744995739,10cyclictest26-21ksoftirqd/110:35:231
3744995739,10cyclictest26-21ksoftirqd/108:25:021
3744995739,10cyclictest26-21ksoftirqd/107:35:201
3744995738,11cyclictest26-21ksoftirqd/109:30:041
3744995737,12cyclictest26-21ksoftirqd/111:20:371
3744995737,12cyclictest26-21ksoftirqd/110:40:301
3744995734,16cyclictest26-21ksoftirqd/112:20:001
3744995733,18cyclictest26-21ksoftirqd/109:35:401
3744995733,10cyclictest26-21ksoftirqd/112:25:221
3744995728,16cyclictest26-21ksoftirqd/108:00:341
3744995640,9cyclictest26-21ksoftirqd/108:10:041
3744995640,10cyclictest26-21ksoftirqd/111:55:181
3744995639,10cyclictest26-21ksoftirqd/108:55:181
3744995639,10cyclictest26-21ksoftirqd/108:40:331
3744995637,10cyclictest26-21ksoftirqd/111:50:181
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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