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2026-04-25 - 22:54
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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 Sat Apr 25, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1308915997344,28cyclictest1320347-21kworker/1:207:45:181
1308915997340,31cyclictest1513832-21kworker/1:112:35:161
1308915997340,31cyclictest1307309-21kworker/1:007:15:121
1308915997143,27cyclictest1355674-21kworker/1:309:25:011
1308915997140,30cyclictest1332689-21kworker/1:008:25:151
1308915997043,26cyclictest1310545-21kworker/1:107:20:171
1308915997038,30cyclictest1314742-1kworker/1:2H07:25:141
1308915997037,31cyclictest1451964-21kworker/1:211:20:191
1308915996941,27cyclictest1464877-21kworker/1:211:35:151
1308915996941,27cyclictest1314742-1kworker/1:2H09:00:221
1308915996937,31cyclictest1314742-1kworker/1:2H07:50:151
1308915996736,29cyclictest1314742-1kworker/1:2H11:09:591
1308915996645,19cyclictest1314742-1kworker/1:2H12:25:001
1308915996533,30cyclictest1314742-1kworker/1:2H09:14:591
130891599650,62cyclictest1356050-21missed_timers09:20:161
1308915996435,27cyclictest1334228-21kworker/1:208:40:141
1308915996336,25cyclictest1475722-21kworker/1:012:00:141
1308915996332,29cyclictest1314742-1kworker/1:2H10:25:011
1308915996234,27cyclictest1314742-1kworker/1:2H12:10:141
1308915996234,27cyclictest1314742-1kworker/1:2H08:55:151
1308915996145,15cyclictest1318759-21kworker/1:107:40:141
1308915996131,29cyclictest1471154-21kworker/1:311:40:141
1308915996128,31cyclictest1314742-1kworker/1:2H11:45:141
1308915996127,32cyclictest1456312-21kworker/1:111:25:131
1308915996043,16cyclictest1420989-21kworker/1:310:45:001
1308915996043,16cyclictest1314742-1kworker/1:2H10:56:131
1308915996035,24cyclictest1369156-21kworker/1:109:45:131
1308915996029,29cyclictest3686827-1kworker/1:0H07:10:281
1308915995943,15cyclictest1446936-21kworker/1:011:13:401
1308915995943,15cyclictest1429788-21kworker/1:210:51:041
1308915995943,15cyclictest1412466-21kworker/1:010:30:061
1308915995943,15cyclictest1390716-21kworker/1:210:05:141
1308915995943,15cyclictest1334228-21kworker/1:208:35:151
1308915995929,28cyclictest1341945-21kworker/1:209:15:151
1308915995843,14cyclictest1460624-21kworker/1:011:30:081
1308915995843,14cyclictest1334228-21kworker/1:208:30:141
1308915995842,15cyclictest1504967-21kworker/1:012:25:111
1308915995842,15cyclictest1420989-21kworker/1:311:00:251
1308915995842,15cyclictest1377496-21kworker/1:009:55:161
1308915995842,15cyclictest1377496-21kworker/1:009:52:421
1308915995842,15cyclictest1326521-21kworker/1:108:05:011
1308915995842,15cyclictest1326521-21kworker/1:108:05:001
1308915995842,15cyclictest1314742-1kworker/1:2H12:17:371
1308915995842,15cyclictest1314742-1kworker/1:2H12:07:061
1308915995842,15cyclictest1314742-1kworker/1:2H10:17:111
1308915995842,15cyclictest1314742-1kworker/1:2H08:45:511
1308915995841,16cyclictest1504967-21kworker/1:012:30:121
1308915995841,16cyclictest1476619-21kworker/1:211:50:051
1308915995841,16cyclictest1326521-21kworker/1:108:10:011
1308915995841,16cyclictest1314742-1kworker/1:2H07:31:401
1308915995840,17cyclictest1420989-21kworker/1:310:40:151
1308915995830,27cyclictest1321887-21kworker/1:007:55:161
1308915995830,27cyclictest1321887-21kworker/1:007:55:151
1308915995828,29cyclictest1446936-21kworker/1:011:15:161
1308915995828,29cyclictest1446936-21kworker/1:011:15:161
1308915995742,14cyclictest1314949-21kworker/1:007:35:151
1308915995741,15cyclictest1377496-21kworker/1:010:00:211
1308915995741,15cyclictest1326521-21kworker/1:108:15:101
1308915995740,16cyclictest1324963-21kworker/1:208:03:111
1308915995740,16cyclictest1314742-1kworker/1:2H09:05:061
130891599573,52cyclictest1368706-21timerwakeupswit09:35:191
1308915995640,15cyclictest1475722-21kworker/1:011:55:011
1308915995630,25cyclictest1355674-21kworker/1:309:30:151
1308915995616,38cyclictest0-21swapper/110:25:401
1308915995539,15cyclictest1395027-21kworker/1:110:10:141
1308915995538,16cyclictest1314742-1kworker/1:2H09:40:161
1308919995446,5cyclictest3819399-1kworker/2:0H08:00:152
1308915995450,2cyclictest0-21swapper/110:35:121
1308915995438,15cyclictest1338866-21kworker/1:008:50:431
1308909995450,2cyclictest2604461-1kworker/0:2H08:40:400
1308909995450,2cyclictest1488806-21kworker/0:112:18:070
1308909995449,3cyclictest2604461-1kworker/0:2H08:55:390
1308922995348,3cyclictest1325039-21kworker/3:109:49:593
1308915995336,16cyclictest1326521-21kworker/1:108:20:111
1308919995248,2cyclictest3819399-1kworker/2:0H10:28:092
1308909995247,3cyclictest1346584-21kworker/0:009:56:260
1308922995147,2cyclictest1677842-1kworker/3:0H09:04:553
1308922995145,3cyclictest1677842-1kworker/3:0H12:20:133
1308922995145,3cyclictest1677842-1kworker/3:0H11:35:133
1308922995145,3cyclictest1677842-1kworker/3:0H11:25:143
1308919995045,3cyclictest3819399-1kworker/2:0H10:45:202
1308909994946,2cyclictest1314140-21kworker/0:107:22:050
1308909994944,3cyclictest1478851-21kworker/0:212:10:460
1308922994844,2cyclictest1431473-21kworker/3:211:00:053
1308919994837,9cyclictest3819399-1kworker/2:0H10:00:152
1308909994845,2cyclictest1335764-21kworker/0:208:49:040
1308909994845,2cyclictest1328054-21kworker/0:108:10:400
1308909994845,2cyclictest1310066-21kworker/0:107:13:050
1308909994844,2cyclictest1400390-21kworker/0:011:04:050
1308922994743,2cyclictest1677842-1kworker/3:0H08:27:403
1308919994735,11cyclictest3819399-1kworker/2:0H12:05:162
1308909994744,2cyclictest2604461-1kworker/0:2H11:25:410
1308909994744,2cyclictest2604461-1kworker/0:2H09:49:500
1308909994743,3cyclictest2604461-1kworker/0:2H11:38:100
1308909994743,3cyclictest1318786-21kworker/0:207:50:390
1308922994643,2cyclictest1677842-1kworker/3:0H07:20:053
1308922994643,2cyclictest1462569-21kworker/3:212:35:003
1308922994643,2cyclictest1462569-21kworker/3:212:10:143
1308922994643,2cyclictest1325039-21kworker/3:109:34:553
1308922994643,2cyclictest1325039-21kworker/3:109:20:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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