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2026-07-02 - 08:00
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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 Thu Jul 02, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307209911080,19cyclictest14-21ksoftirqd/023:25:120
234121100,7chrt2343-21grep23:50:340
307219910010,67cyclictest0-21swapper/122:35:121
307209910072,19cyclictest14-21ksoftirqd/021:35:130
30720999868,19cyclictest14-21ksoftirqd/019:55:120
3072199979,64cyclictest0-21swapper/100:05:161
3072199978,69cyclictest0-21swapper/119:40:141
3072199977,70cyclictest0-21swapper/122:25:121
30720999768,18cyclictest14-21ksoftirqd/023:20:140
3072199947,69cyclictest0-21swapper/120:45:121
30720999467,18cyclictest14-21ksoftirqd/023:05:150
3072199938,64cyclictest0-21swapper/123:20:161
3072199936,67cyclictest0-21swapper/120:35:131
30721999312,61cyclictest0-21swapper/122:50:131
30720999366,15cyclictest0-21swapper/020:05:110
30720999364,19cyclictest14-21ksoftirqd/023:10:140
3072199929,65cyclictest0-21swapper/120:30:131
3072199929,62cyclictest0-21swapper/119:45:121
3072199928,66cyclictest0-21swapper/121:45:221
3072199928,63cyclictest0-21swapper/123:00:161
3072199928,63cyclictest0-21swapper/121:30:151
3072199927,66cyclictest0-21swapper/123:35:131
3072199927,65cyclictest0-21swapper/119:35:151
3072199927,62cyclictest0-21swapper/120:20:101
3072199926,66cyclictest0-21swapper/122:30:111
3072199926,65cyclictest0-21swapper/119:30:111
3072199918,66cyclictest0-21swapper/100:10:161
3072199918,64cyclictest0-21swapper/119:10:241
3072199917,66cyclictest0-21swapper/121:00:151
3072199917,66cyclictest0-21swapper/121:00:151
3072199917,64cyclictest0-21swapper/123:15:131
3025629129,49sleep10-21swapper/119:07:101
3072199909,61cyclictest0-21swapper/123:50:141
3072199898,63cyclictest0-21swapper/100:15:111
30720998956,19cyclictest14-21ksoftirqd/023:45:130
3072199888,62cyclictest0-21swapper/120:05:131
3072199888,59cyclictest0-21swapper/123:40:111
30720998855,23cyclictest14-21ksoftirqd/021:50:130
3072199877,64cyclictest0-21swapper/100:30:131
3072199877,62cyclictest0-21swapper/121:15:151
3072199877,62cyclictest0-21swapper/121:15:141
30721998711,59cyclictest0-21swapper/122:05:121
30721998710,57cyclictest0-21swapper/120:25:121
30721998710,21cyclictest0-21swapper/123:55:141
30721998710,21cyclictest0-21swapper/123:55:141
30720998756,21cyclictest14-21ksoftirqd/021:20:110
3072199868,64cyclictest0-21swapper/120:50:251
3072199868,61cyclictest0-21swapper/122:20:141
3072199867,60cyclictest0-21swapper/119:55:141
3072199867,60cyclictest0-21swapper/119:25:141
3072199867,59cyclictest0-21swapper/100:35:231
30720998654,19cyclictest14-21ksoftirqd/022:50:120
30720998651,22cyclictest14-21ksoftirqd/023:40:120
3072199859,60cyclictest0-21swapper/120:10:221
3072199856,60cyclictest0-21swapper/100:20:121
30721998510,56cyclictest0-21swapper/123:30:141
3072199849,59cyclictest0-21swapper/121:25:141
30721998410,56cyclictest0-21swapper/119:50:131
3072199838,23cyclictest0-21swapper/121:05:111
3072199828,59cyclictest0-21swapper/122:40:141
3072199827,60cyclictest0-21swapper/123:45:121
3072199827,58cyclictest0-21swapper/119:20:111
3072199826,62cyclictest0-21swapper/120:00:151
3072199818,57cyclictest0-21swapper/100:00:111
3072199817,15cyclictest0-21swapper/119:15:141
3072199807,59cyclictest0-21swapper/120:15:161
3072199807,17cyclictest0-21swapper/122:55:241
3072199806,59cyclictest0-21swapper/122:00:121
30720998034,40cyclictest14-21ksoftirqd/000:00:110
3072099798,58cyclictest9484-21apt-get21:10:130
30720997950,18cyclictest14-21ksoftirqd/000:25:120
30720997912,53cyclictest0-21swapper/019:35:150
30720997840,9cyclictest14-21ksoftirqd/023:30:110
3072199775,19cyclictest24984-21apt-get23:25:111
3072199768,14cyclictest0-21swapper/122:15:141
30721997620,50cyclictest0-21swapper/121:40:201
3072199758,58cyclictest0-21swapper/120:55:121
30720997536,29cyclictest14-21ksoftirqd/022:55:150
3072199746,19cyclictest23800-21apt-get21:50:131
30720997443,26cyclictest14-21ksoftirqd/019:20:140
30720997435,28cyclictest14-21ksoftirqd/020:40:130
30720997435,28cyclictest14-21ksoftirqd/020:40:130
30720997339,26cyclictest14-21ksoftirqd/022:40:130
30720997338,23cyclictest14-21ksoftirqd/020:10:250
30720997314,48cyclictest0-21swapper/022:00:100
30720997311,52cyclictest0-21swapper/021:40:130
3032127315,49sleep00-21swapper/019:07:540
3072099728,49cyclictest17407-21apt-get00:35:150
30720997236,28cyclictest14-21ksoftirqd/019:25:120
30720997233,27cyclictest14-21ksoftirqd/022:15:120
182282720,5sleep10-21swapper/123:05:181
3072199717,17cyclictest0-21swapper/121:10:121
3072199716,19cyclictest12988-21apt-get21:20:101
3072199716,13cyclictest0-21swapper/122:45:131
30720997133,9cyclictest14-21ksoftirqd/021:55:330
30720997133,9cyclictest14-21ksoftirqd/021:55:320
3072199707,16cyclictest19746-21apt-get23:10:141
30720997040,23cyclictest14-21ksoftirqd/020:25:310
30720997010,46cyclictest0-21swapper/020:00:120
3072199697,55cyclictest0-21swapper/121:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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