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2025-12-04 - 16:41
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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 rackeslot3.osadl.org (updated Thu Dec 04, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281995899650,63cyclictest0-21swapper/108:49:551
2819958996461,2cyclictest0-21swapper/112:07:561
281995899640,62cyclictest0-21swapper/110:26:001
281995899640,1cyclictest0-21swapper/111:31:141
281995899630,62cyclictest0-21swapper/110:03:011
2819958996159,1cyclictest0-21swapper/108:32:281
281995899610,60cyclictest0-21swapper/107:10:201
2819958996042,17cyclictest2911179-21kworker/1:011:50:141
2819958995956,2cyclictest0-21swapper/109:20:531
2819958995944,14cyclictest2827595-21kworker/1:207:45:011
2819958995944,14cyclictest2827595-21kworker/1:207:30:141
2819958995943,15cyclictest2863056-21kworker/1:010:32:561
2819958995943,15cyclictest2827595-21kworker/1:207:50:381
2819958995942,15cyclictest642929-1kworker/1:1H11:40:151
2819958995942,15cyclictest642929-1kworker/1:1H07:35:131
2819958995941,16cyclictest2827595-21kworker/1:208:25:131
2819958995843,14cyclictest2918049-21kworker/1:112:20:151
2819958995843,14cyclictest2918049-21kworker/1:112:15:001
2819958995843,14cyclictest2918049-21kworker/1:112:15:001
2819958995843,14cyclictest2890897-21kworker/1:211:10:151
2819958995843,14cyclictest2890897-21kworker/1:210:45:451
2819958995843,14cyclictest2863056-21kworker/1:010:35:161
2819958995843,14cyclictest2863056-21kworker/1:010:20:161
2819958995843,14cyclictest2863056-21kworker/1:010:05:011
2819958995843,14cyclictest2827595-21kworker/1:208:10:011
2819958995841,16cyclictest2816690-21kworker/1:107:20:161
2819958995755,1cyclictest0-21swapper/112:11:271
2819958995755,1cyclictest0-21swapper/108:50:061
2819958995742,14cyclictest2907329-21kworker/1:211:35:311
2819958995742,14cyclictest2899556-21kworker/1:011:20:241
2819958995742,14cyclictest2863056-21kworker/1:009:40:141
2819958995742,14cyclictest2863056-21kworker/1:009:40:141
2819958995742,14cyclictest2863056-21kworker/1:009:30:161
2819958995742,14cyclictest2827595-21kworker/1:208:35:141
2819958995742,14cyclictest2827595-21kworker/1:208:24:551
2819958995742,14cyclictest2827595-21kworker/1:208:15:061
2819958995742,14cyclictest2827595-21kworker/1:208:02:291
2819958995742,14cyclictest2827595-21kworker/1:207:55:131
2819958995742,14cyclictest2827595-21kworker/1:207:40:011
2819958995740,16cyclictest642929-1kworker/1:1H12:36:171
2819958995739,17cyclictest642929-1kworker/1:1H09:30:001
2819958995739,17cyclictest2890897-21kworker/1:210:50:161
2819958995737,19cyclictest2861371-21kworker/1:109:15:141
2819958995641,14cyclictest2923578-21kworker/1:012:30:581
2819958995641,14cyclictest2863056-21kworker/1:010:40:141
2819958995641,14cyclictest2863056-21kworker/1:010:15:491
2819958995641,14cyclictest2863056-21kworker/1:009:35:251
2819958995641,14cyclictest2827595-21kworker/1:209:10:011
2819958995641,14cyclictest2816690-21kworker/1:107:25:151
2819958995641,14cyclictest2816690-21kworker/1:107:15:161
2819958995639,16cyclictest2890897-21kworker/1:210:55:161
2819958995639,15cyclictest2863056-21kworker/1:009:45:171
2819958995632,23cyclictest642929-1kworker/1:1H11:05:141
2819958995632,23cyclictest642929-1kworker/1:1H11:05:141
2819963995551,2cyclictest99490-1kworker/2:2H11:15:172
2819963995549,4cyclictest99490-1kworker/2:2H08:35:332
2819958995540,14cyclictest2863056-21kworker/1:009:55:151
2819958995539,15cyclictest2863056-21kworker/1:009:50:121
2819958995537,17cyclictest2915501-21kworker/1:212:00:141
2819958995439,14cyclictest2863056-21kworker/1:010:10:161
2819958995438,15cyclictest642929-1kworker/1:1H12:25:321
2819958995350,2cyclictest0-21swapper/111:50:021
2819958995338,14cyclictest2827595-21kworker/1:208:40:011
281995899531,2cyclictest0-21swapper/111:30:001
281995899530,2cyclictest2897352-21cron11:05:001
2819948995349,2cyclictest2917137-21kworker/0:312:09:300
2819963995246,4cyclictest99490-1kworker/2:2H11:23:002
2819958995237,14cyclictest2899556-21kworker/1:011:15:011
281995899520,2cyclictest0-21swapper/108:05:151
2819948995247,3cyclictest1751615-1kworker/0:0H10:15:140
2819972995147,2cyclictest2827000-21kworker/3:208:14:283
2819972995146,3cyclictest1395319-1kworker/3:0H11:36:093
2819963995147,2cyclictest99490-1kworker/2:2H10:35:322
2819958995136,14cyclictest2827595-21kworker/1:209:05:161
2819958995135,15cyclictest2911179-21kworker/1:011:55:161
281995899511,48cyclictest2855511-21fschecks_time08:55:171
2819948995147,2cyclictest2874604-21kworker/0:009:59:020
2819948995146,3cyclictest2917137-21kworker/0:312:11:350
2819972995044,3cyclictest1395319-1kworker/3:0H11:15:173
2819963995045,3cyclictest99490-1kworker/2:2H11:32:562
2819963995045,3cyclictest99490-1kworker/2:2H10:35:012
2819963995045,3cyclictest2881154-21kworker/2:211:50:132
2819963995040,2cyclictest2831899-21kworker/2:008:20:002
2819958995034,15cyclictest2827595-21kworker/1:209:00:171
2819948995045,3cyclictest2820214-21kworker/0:007:15:230
2819948995045,3cyclictest1751615-1kworker/0:0H10:50:300
2819948995045,3cyclictest1751615-1kworker/0:0H08:25:130
2819972994945,3cyclictest2827000-21kworker/3:208:55:243
2819963994944,4cyclictest99490-1kworker/2:2H08:07:332
2819963994944,3cyclictest2881154-21kworker/2:211:55:112
2819948994946,2cyclictest2925182-21kworker/0:012:36:280
2819948994945,2cyclictest1751615-1kworker/0:0H09:49:560
2819948994945,2cyclictest1751615-1kworker/0:0H08:09:280
2819948994944,3cyclictest1751615-1kworker/0:0H11:45:150
2819972994845,2cyclictest2827000-21kworker/3:207:54:283
2819972994844,3cyclictest1395319-1kworker/3:0H10:45:323
2819972994844,2cyclictest1395319-1kworker/3:0H08:54:553
2819972994843,3cyclictest2821581-21kworker/3:107:30:003
2819972994843,3cyclictest1395319-1kworker/3:0H12:35:223
2819972994842,4cyclictest1395319-1kworker/3:0H09:25:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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