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2026-08-01 - 10:10
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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 Aug 01, 2026 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117729910978,18cyclictest26-21ksoftirqd/120:45:131
117729910977,21cyclictest26-21ksoftirqd/121:05:131
11770991097,24cyclictest0-21swapper/019:10:120
117729910775,19cyclictest26-21ksoftirqd/122:35:111
117729910475,18cyclictest26-21ksoftirqd/120:00:121
117729910374,21cyclictest26-21ksoftirqd/122:15:241
117729910372,19cyclictest26-21ksoftirqd/121:15:131
117729910270,20cyclictest26-21ksoftirqd/123:45:231
117729910175,16cyclictest26-21ksoftirqd/121:20:131
11772999868,20cyclictest26-21ksoftirqd/100:30:151
11772999768,19cyclictest26-21ksoftirqd/122:25:111
11772999767,19cyclictest26-21ksoftirqd/122:10:131
11772999766,19cyclictest26-21ksoftirqd/122:05:131
11772999663,20cyclictest26-21ksoftirqd/123:10:151
11772999661,20cyclictest26-21ksoftirqd/123:05:131
11772999567,19cyclictest26-21ksoftirqd/120:30:121
11772999464,19cyclictest26-21ksoftirqd/100:35:121
11772999260,19cyclictest26-21ksoftirqd/122:45:131
11772999163,19cyclictest26-21ksoftirqd/120:50:121
11772998958,19cyclictest26-21ksoftirqd/122:50:121
11772998955,21cyclictest26-21ksoftirqd/121:55:161
11772998858,21cyclictest26-21ksoftirqd/123:40:111
11772998755,21cyclictest26-21ksoftirqd/123:55:141
11772998755,21cyclictest26-21ksoftirqd/119:45:141
11772998644,28cyclictest26-21ksoftirqd/121:00:131
11772998551,22cyclictest26-21ksoftirqd/119:20:151
11772998451,21cyclictest26-21ksoftirqd/121:35:141
11772998351,21cyclictest26-21ksoftirqd/121:30:151
11772998348,22cyclictest26-21ksoftirqd/120:20:101
11772998248,21cyclictest26-21ksoftirqd/119:10:131
11772998148,21cyclictest26-21ksoftirqd/100:10:111
11772998146,22cyclictest26-21ksoftirqd/121:25:131
11772998143,25cyclictest26-21ksoftirqd/122:30:241
11772998042,27cyclictest26-21ksoftirqd/123:15:141
11772997945,22cyclictest26-21ksoftirqd/119:55:121
11772997942,25cyclictest26-21ksoftirqd/119:30:131
1135027921,48sleep00-21swapper/019:07:280
1177299789,54cyclictest562-21runrttasks00:25:151
11770997837,28cyclictest14-21ksoftirqd/019:40:280
11772997730,36cyclictest26-21ksoftirqd/122:40:121
11772997730,36cyclictest26-21ksoftirqd/122:40:121
11772997611,32cyclictest0-21swapper/120:40:131
11772997512,50cyclictest0-21swapper/119:15:151
11772997439,24cyclictest26-21ksoftirqd/122:20:131
11772997410,50cyclictest562-21runrttasks19:35:141
11770997432,37cyclictest14-21ksoftirqd/020:25:260
11772997339,21cyclictest0-21swapper/121:50:141
11772997334,26cyclictest26-21ksoftirqd/100:00:151
11772997313,29cyclictest0-21swapper/121:45:151
11770997334,33cyclictest14-21ksoftirqd/022:40:010
11772997218,44cyclictest0-21swapper/100:20:151
1177099726,23cyclictest20701-21apt-get00:10:110
1139027218,42sleep10-21swapper/119:07:551
11772997038,20cyclictest0-21swapper/123:35:151
1177099707,54cyclictest31620-21apt-get20:05:150
11770997048,12cyclictest23809-21apt-get22:45:100
11770997029,24cyclictest0-21swapper/000:30:120
11772996940,17cyclictest0-21swapper/123:30:121
11772996938,19cyclictest0-21swapper/123:50:141
11772996934,22cyclictest0-21swapper/120:35:151
11772996933,23cyclictest0-21swapper/122:55:251
1177099697,46cyclictest0-21swapper/021:35:120
11770996934,29cyclictest14-21ksoftirqd/021:31:370
11770996927,28cyclictest14-21ksoftirqd/022:07:330
11772996833,21cyclictest0-21swapper/120:25:161
1177099686,52cyclictest2193-21apt-get23:15:160
11770996836,27cyclictest14-21ksoftirqd/021:05:290
11770996836,27cyclictest14-21ksoftirqd/019:30:310
1177099676,53cyclictest24211-21apt-get00:20:150
11770996736,8cyclictest14-21ksoftirqd/019:50:220
11772996623,29cyclictest0-21swapper/120:55:141
11770996639,12cyclictest14-21ksoftirqd/022:30:000
11772996530,23cyclictest0-21swapper/119:50:191
1177299651,53cyclictest0-21swapper/123:00:121
11772996510,44cyclictest22153-21diskmemload21:10:121
11770996538,21cyclictest14-21ksoftirqd/020:10:330
11770996536,23cyclictest14-21ksoftirqd/022:10:170
11770996532,28cyclictest14-21ksoftirqd/023:35:240
11770996532,26cyclictest14-21ksoftirqd/022:15:280
11772996429,23cyclictest0-21swapper/119:40:131
11772996419,33cyclictest0-21swapper/123:25:101
1177099645,19cyclictest14110-21apt-get19:15:140
11770996436,22cyclictest14-21ksoftirqd/022:20:250
11770996435,22cyclictest14-21ksoftirqd/020:54:060
1177099643,26cyclictest27120-21apt-get22:55:130
11770996432,27cyclictest14-21ksoftirqd/023:20:350
11770996432,27cyclictest14-21ksoftirqd/023:20:350
11770996420,23cyclictest22385-21aten2.4-expect21:10:170
11772996319,31cyclictest0-21swapper/119:25:161
11770996338,20cyclictest14-21ksoftirqd/000:15:360
11770996331,27cyclictest14-21ksoftirqd/023:00:220
11772996227,25cyclictest0-21swapper/120:05:141
11772996218,33cyclictest0-21swapper/121:40:131
11770996234,22cyclictest14-21ksoftirqd/023:25:180
11770996231,24cyclictest14-21ksoftirqd/020:15:220
11770996227,19cyclictest14-21ksoftirqd/021:41:390
11770996222,34cyclictest18393-21aten2.4-expect00:00:160
11772996125,25cyclictest0-21swapper/122:00:151
11772996115,32cyclictest0-21swapper/120:10:201
1177099617,37cyclictest14-21ksoftirqd/019:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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