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2026-03-14 - 05:47
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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 Mar 14, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1540387996461,2cyclictest1188-21cron22:10:001
154038799640,62cyclictest1575553-21apt-config21:00:001
1540387996339,23cyclictest2641011-1kworker/1:2H00:00:001
1540387996339,23cyclictest2641011-1kworker/1:2H00:00:001
1540387996158,2cyclictest0-21swapper/120:00:061
1540387996157,2cyclictest0-21swapper/100:24:261
1540387996058,1cyclictest0-21swapper/122:43:581
1540387995956,2cyclictest0-21swapper/123:45:261
1540387995943,15cyclictest1606512-21kworker/1:021:55:121
1540387995942,16cyclictest1625867-21kworker/1:322:25:151
1540387995940,17cyclictest1696218-21kworker/1:323:40:171
1540387995843,14cyclictest2641011-1kworker/1:2H19:25:141
1540387995843,14cyclictest1712642-21kworker/1:100:07:281
1540387995843,14cyclictest1561306-21kworker/1:120:35:181
1540387995843,14cyclictest1561306-21kworker/1:120:15:211
1540387995843,14cyclictest1536210-21kworker/1:319:40:071
1540387995840,16cyclictest1536210-21kworker/1:319:45:121
1540387995742,14cyclictest2641011-1kworker/1:2H20:40:141
1540387995742,14cyclictest1682999-21kworker/1:123:25:151
1540387995742,14cyclictest1561306-21kworker/1:120:30:011
1540387995741,15cyclictest2641011-1kworker/1:2H23:40:011
1540387995741,15cyclictest1729817-21kworker/1:200:25:141
1540387995740,16cyclictest1747206-21kworker/1:100:35:161
1540387995740,16cyclictest1747206-21kworker/1:100:30:131
1540387995740,16cyclictest1747206-21kworker/1:100:30:121
1540387995740,16cyclictest1712642-21kworker/1:123:50:011
1540387995740,16cyclictest1554869-21kworker/1:219:55:161
1540387995740,16cyclictest1541840-21kworker/1:019:20:111
1540387995739,17cyclictest1712642-21kworker/1:100:00:141
1540387995739,16cyclictest1536210-21kworker/1:319:15:141
1540393995651,3cyclictest1558021-21kworker/3:220:39:553
1540387995642,14cyclictest1561306-21kworker/1:120:20:061
1540387995641,14cyclictest1665083-21kworker/1:323:00:291
1540387995641,14cyclictest1637420-21kworker/1:122:55:271
1540387995641,14cyclictest1557966-21kworker/1:220:10:141
1540387995639,16cyclictest1593657-21kworker/1:021:30:001
1540387995638,17cyclictest1675855-21kworker/1:023:15:141
1540393995549,4cyclictest40564-1kworker/3:2H22:50:323
1540389995550,3cyclictest1135279-1kworker/2:1H23:22:062
1540387995540,15cyclictest1606512-21kworker/1:021:45:381
1540387995540,14cyclictest1729817-21kworker/1:200:10:061
1540387995540,14cyclictest1665083-21kworker/1:323:12:001
1540387995540,14cyclictest1637420-21kworker/1:122:50:151
1540387995540,14cyclictest1608606-21kworker/1:121:50:151
1540387995540,14cyclictest1557966-21kworker/1:220:05:351
1540387995539,15cyclictest1548701-21kworker/1:219:35:151
1540387995537,17cyclictest2641011-1kworker/1:2H20:45:161
1540387995452,1cyclictest0-21swapper/122:17:061
1540387995452,1cyclictest0-21swapper/122:10:381
1540387995450,3cyclictest1564994-21fschecks_count20:25:131
1540387995439,14cyclictest1675855-21kworker/1:023:22:001
1540387995439,14cyclictest1665083-21kworker/1:323:05:281
1540387995439,14cyclictest1625867-21kworker/1:322:31:541
1540387995439,14cyclictest1625867-21kworker/1:322:24:281
1540387995439,14cyclictest1536210-21kworker/1:319:50:171
1540387995438,15cyclictest1536210-21kworker/1:319:33:281
1540387995436,17cyclictest1585692-21kworker/1:221:35:151
1540387995436,17cyclictest1570578-21kworker/1:321:00:141
1540387995435,17cyclictest1593657-21kworker/1:021:30:121
1540386995450,2cyclictest1739244-21kworker/0:000:25:130
1540393995348,3cyclictest1696842-21kworker/3:200:14:553
1540387995349,2cyclictest0-21swapper/121:16:331
1540387995338,14cyclictest1721221-21kworker/1:000:15:011
1540387995338,14cyclictest1606512-21kworker/1:021:44:261
1540387995338,14cyclictest1585129-21kworker/1:121:20:141
1540387995338,14cyclictest1585129-21kworker/1:121:20:131
1540387995337,15cyclictest1536210-21kworker/1:319:11:461
1540386995349,3cyclictest1707914-21kworker/0:100:04:500
1540386995348,3cyclictest2494205-1kworker/0:2H22:37:510
1540393995246,3cyclictest40564-1kworker/3:2H21:16:333
1540389995249,2cyclictest1692330-21kworker/2:023:32:082
1540389995249,2cyclictest1591750-21kworker/2:021:26:422
1540387995237,14cyclictest1637420-21kworker/1:122:45:241
1540387995237,14cyclictest1637420-21kworker/1:122:45:231
1540387995237,14cyclictest1570578-21kworker/1:321:05:021
1540387995237,14cyclictest1570578-21kworker/1:320:51:281
1540386995247,3cyclictest2494205-1kworker/0:2H22:45:110
1540386995247,3cyclictest2494205-1kworker/0:2H22:45:100
1540386995247,3cyclictest2494205-1kworker/0:2H21:47:260
1540386995247,3cyclictest1632239-21kworker/0:122:14:510
1540386995246,3cyclictest2494205-1kworker/0:2H22:00:130
1540389995148,2cyclictest1703099-21kworker/2:123:58:552
1540389995148,2cyclictest1703099-21kworker/2:123:58:542
1540389995146,3cyclictest1135279-1kworker/2:1H00:07:532
1540387995136,14cyclictest1570578-21kworker/1:321:10:151
1540387995135,15cyclictest1695936-21kworker/1:223:30:121
1540386995147,2cyclictest1673698-21kworker/0:223:25:280
1540393995047,2cyclictest40564-1kworker/3:2H22:37:273
1540393995046,3cyclictest40564-1kworker/3:2H21:30:443
1540393995045,3cyclictest40564-1kworker/3:2H23:32:033
1540393995045,3cyclictest40564-1kworker/3:2H23:00:123
1540389995047,2cyclictest1551801-21kworker/2:219:44:272
1540389995046,3cyclictest1678996-21kworker/2:223:12:352
1540389995045,3cyclictest1135279-1kworker/2:1H20:00:272
1540387995048,1cyclictest0-21swapper/122:00:271
1540386995047,2cyclictest1556416-21kworker/0:020:11:170
1540386995046,2cyclictest1610702-21kworker/0:021:55:260
1540386995045,3cyclictest1564406-21kworker/0:120:31:180
1540386995044,4cyclictest2494205-1kworker/0:2H00:34:100
1540386995044,4cyclictest2494205-1kworker/0:2H00:34:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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