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2026-05-31 - 15:59
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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 Sun May 31, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143029910538,19cyclictest14296-21cyclictest11:10:150
143029910417,22cyclictest0-21swapper/010:35:140
13729210117,37sleep00-21swapper/007:05:450
14302999518,19cyclictest0-21swapper/007:20:210
1381129530,53sleep10-21swapper/107:06:381
1430299948,36cyclictest65-21kswapd007:40:130
14302999469,11cyclictest14-21ksoftirqd/011:25:140
1430299929,41cyclictest801-21gpm11:05:130
14302998958,18cyclictest14-21ksoftirqd/012:00:220
14302998958,18cyclictest14-21ksoftirqd/012:00:220
14302998757,17cyclictest14-21ksoftirqd/012:10:130
14302998757,16cyclictest14-21ksoftirqd/012:20:120
14302998657,18cyclictest14-21ksoftirqd/008:38:230
14304998517,7cyclictest0-21swapper/109:15:111
14302998559,17cyclictest14-21ksoftirqd/010:20:250
1430499849,12cyclictest0-21swapper/107:30:141
1430499839,13cyclictest0-21swapper/110:40:141
1430499838,13cyclictest0-21swapper/108:30:171
14302998355,19cyclictest14-21ksoftirqd/009:30:100
1430499829,13cyclictest0-21swapper/112:05:161
1430499827,12cyclictest0-21swapper/111:40:111
1430499826,20cyclictest0-21swapper/111:00:111
14302998255,17cyclictest14-21ksoftirqd/011:30:130
14302998251,17cyclictest14-21ksoftirqd/009:40:140
164802810,8chrt0-21swapper/111:45:301
1430499818,13cyclictest0-21swapper/109:50:141
1430499816,18cyclictest15004-21apt-get08:38:231
1430499815,23cyclictest17482-21apt-get11:50:121
14304998123,17cyclictest12929-21tail10:05:181
14302998155,16cyclictest14-21ksoftirqd/011:50:110
14302998154,17cyclictest14-21ksoftirqd/012:25:140
14302998152,18cyclictest14-21ksoftirqd/008:55:140
1430499807,63cyclictest0-21swapper/112:15:121
1430499806,17cyclictest21853-21apt-get10:30:131
1430499797,19cyclictest16649-21apt-get07:15:131
1430499797,17cyclictest15446-21apt-get08:40:121
1430499795,17cyclictest8357-21apt-get08:20:131
14304997910,14cyclictest0-21swapper/109:35:131
14304997910,11cyclictest0-21swapper/109:55:141
1430499788,13cyclictest0-21swapper/107:50:131
1430499787,14cyclictest0-21swapper/111:30:141
1430499787,14cyclictest0-21swapper/108:10:121
1430499787,11cyclictest0-21swapper/109:00:121
1430499786,25cyclictest20663-21apt-get08:55:141
1430499786,18cyclictest17182-21apt-get08:45:131
1430499785,66cyclictest0-21swapper/107:55:341
1430499776,18cyclictest27919-21apt-get07:45:131
1430499775,19cyclictest32093-21apt-get12:30:111
14304997718,55cyclictest2258-21python312:35:351
1430499766,13cyclictest3472-21apt-get11:10:131
1430499762,66cyclictest20289-21latency_hist07:25:021
14302997649,18cyclictest14-21ksoftirqd/010:10:100
14302997648,16cyclictest0-21swapper/007:55:120
1430499756,19cyclictest12192-21apt-get11:35:161
1430499756,18cyclictest8711-21apt-get11:25:151
1430499755,22cyclictest27139-21apt-get10:45:121
1430499747,20cyclictest20106-21apt-get10:25:121
1430499745,18cyclictest20752-21apt-get07:25:251
14302997440,20cyclictest0-21swapper/011:15:110
14302997418,48cyclictest0-21swapper/008:50:120
309842730,4sleep1251rcuc/110:55:221
1430499739,10cyclictest0-21swapper/108:05:331
1430499737,12cyclictest0-21swapper/109:30:111
1430499736,20cyclictest16303-21apt-get10:15:141
1430499736,13cyclictest0-21swapper/111:20:121
1430499733,64cyclictest25895-31find07:40:021
1430499733,16cyclictest3013-21runrttasks11:07:321
1430499727,20cyclictest14559-21apt-get10:10:111
1430499727,17cyclictest25111-21apt-get12:10:131
1430499725,17cyclictest23592-21apt-get10:35:141
1430499725,17cyclictest21282-21apt-get12:00:241
1430499725,17cyclictest21282-21apt-get12:00:241
14304997225,9cyclictest26124-21grep09:10:191
14304997225,9cyclictest26124-21grep09:10:191
14304997220,19cyclictest6921-21sed11:20:011
14304997216,18cyclictest26829-21tail07:40:321
14304997214,53cyclictest0-21swapper/109:45:221
14304997211,12cyclictest0-21swapper/109:25:111
14302997245,18cyclictest14-21ksoftirqd/007:15:130
14302997244,19cyclictest14-21ksoftirqd/009:05:150
1430499717,10cyclictest0-21swapper/112:20:331
1430499716,10cyclictest0-21swapper/108:15:331
1430499716,10cyclictest0-21swapper/108:15:331
14302997142,18cyclictest0-21swapper/011:45:140
1430499708,14cyclictest0-21swapper/112:25:131
1430499708,13cyclictest0-21swapper/107:10:141
1430499708,10cyclictest0-21swapper/110:20:211
1430499708,10cyclictest0-21swapper/110:00:211
1430499706,20cyclictest18922-21apt-get08:50:131
1430499705,11cyclictest0-21swapper/109:40:211
1430499702,18cyclictest562-21runrttasks09:07:371
14302997041,17cyclictest0-21swapper/008:00:150
1430499696,10cyclictest0-21swapper/108:00:251
14304996918,14cyclictest19756-21sort11:55:251
14302996936,18cyclictest0-21swapper/012:30:120
14302996930,29cyclictest14-21ksoftirqd/007:39:310
1430499686,18cyclictest28880-21apt-get10:50:141
1430499685,10cyclictest0-21swapper/109:20:091
1430499682,16cyclictest11368-21taskset08:26:561
14302996835,21cyclictest0-21swapper/010:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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