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2026-06-23 - 09:19
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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 Tue Jun 23, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1821195997346,25cyclictest1845449-21kworker/1:320:30:141
1821195997138,32cyclictest2016083-21kworker/1:000:05:141
1821195997037,32cyclictest1861645-21kworker/1:121:30:161
182119599691,1cyclictest0-21swapper/123:50:401
182119599670,64cyclictest0-21swapper/121:58:581
1821195996662,2cyclictest0-21swapper/119:51:351
1821195996641,23cyclictest1845449-21kworker/1:320:40:141
1821195996631,32cyclictest2026004-21kworker/1:000:20:191
1821195996542,20cyclictest2026004-21kworker/1:000:30:141
1821195996535,28cyclictest2037870-21kworker/1:300:27:391
1821195996535,28cyclictest1975584-21kworker/1:023:20:101
1821195996452,9cyclictest1909949-21fschecks_time22:05:161
1821195996445,17cyclictest1878723-21kworker/1:221:37:461
1821195996443,19cyclictest1290408-1kworker/1:0H19:35:051
1821195996442,20cyclictest1929935-21kworker/1:122:35:151
1821195996344,18cyclictest2026004-21kworker/1:000:35:151
1821195996344,18cyclictest2026004-21kworker/1:000:35:151
1821195996342,19cyclictest1983249-21kworker/1:323:45:151
1821195996331,30cyclictest1956434-21kworker/1:123:10:141
1821195996331,29cyclictest1290408-1kworker/1:0H19:40:141
1821195996242,18cyclictest1861645-21kworker/1:121:15:141
1821195996241,20cyclictest1837220-21kworker/1:120:10:001
1821195996240,21cyclictest2011066-21kworker/1:300:00:021
1821195996144,16cyclictest1851990-21kworker/1:220:50:141
1821195996141,18cyclictest2011066-21kworker/1:300:00:161
1821195996130,29cyclictest1290408-1kworker/1:0H20:10:141
1821195996056,2cyclictest0-21swapper/120:57:361
1821195996043,16cyclictest1956434-21kworker/1:123:15:011
1821195996041,18cyclictest1845449-21kworker/1:320:25:151
1821195996040,18cyclictest1868459-21kworker/1:321:20:161
1821195996038,20cyclictest1290408-1kworker/1:0H22:10:151
1821195995956,2cyclictest0-21swapper/120:02:421
1821195995956,2cyclictest0-21swapper/120:02:411
1821195995943,15cyclictest1893449-21kworker/1:221:49:281
1821195995942,16cyclictest2021190-21kworker/1:100:11:121
1821195995942,15cyclictest1290408-1kworker/1:0H22:50:211
1821195995941,17cyclictest2026004-21kworker/1:000:15:291
1821195995941,16cyclictest1949757-21kworker/1:022:55:011
1821195995941,16cyclictest1949757-21kworker/1:022:55:011
1821195995941,16cyclictest1855977-21kworker/1:021:10:141
1821195995937,20cyclictest1983249-21kworker/1:323:35:141
1821195995855,2cyclictest0-21swapper/119:46:591
1821195995843,14cyclictest1983249-21kworker/1:323:32:281
182119599580,56cyclictest0-21swapper/122:03:271
1821194995838,2cyclictest1897321-21kworker/0:222:17:140
1821195995742,14cyclictest1949757-21kworker/1:022:49:551
1821195995742,14cyclictest1920333-21kworker/1:222:25:111
1821195995742,14cyclictest1883784-21kworker/1:021:50:061
1821195995742,14cyclictest1855977-21kworker/1:021:07:071
1821195995742,14cyclictest1845449-21kworker/1:320:35:131
1821195995738,17cyclictest1824606-21kworker/1:019:25:131
1821195995641,14cyclictest1956434-21kworker/1:123:02:221
1821195995641,14cyclictest1956434-21kworker/1:123:02:211
1821195995641,14cyclictest1909451-21kworker/1:122:15:131
1821195995640,15cyclictest1983249-21kworker/1:323:25:141
1821195995637,18cyclictest1820193-21kworker/1:319:15:141
1821195995633,21cyclictest1851990-21kworker/1:221:00:171
1821198995550,3cyclictest1829301-21kworker/3:220:17:353
1821198995550,3cyclictest1346134-1kworker/3:1H19:20:123
1821198995550,3cyclictest1346134-1kworker/3:1H19:10:273
1821197995549,4cyclictest2427282-1kworker/2:0H21:36:262
1821195995540,14cyclictest1965962-21kworker/1:023:07:221
1821195995540,14cyclictest1939511-21kworker/1:022:40:031
1821195995540,14cyclictest1829249-21kworker/1:319:56:401
1821195995539,15cyclictest1983249-21kworker/1:323:40:221
1821195995538,16cyclictest1845449-21kworker/1:320:45:141
1821195995535,19cyclictest1837220-21kworker/1:120:15:121
1821195995439,14cyclictest1888672-21kworker/1:121:43:581
1821195995439,14cyclictest1824606-21kworker/1:019:33:381
1821195995339,14cyclictest1837220-21kworker/1:120:22:041
1821195995338,14cyclictest1929935-21kworker/1:122:30:141
1821195995338,14cyclictest1825284-21kworker/1:219:20:131
1821195995337,15cyclictest1920333-21kworker/1:222:20:131
1821195995336,16cyclictest1808256-21kworker/1:119:10:131
1821195995326,26cyclictest1290408-1kworker/1:0H21:25:131
1821198995248,2cyclictest1829301-21kworker/3:220:11:173
1821198995248,2cyclictest1829301-21kworker/3:219:40:413
1821198995230,2cyclictest1941157-1kworker/3:2H00:36:223
1821198995230,2cyclictest1941157-1kworker/3:2H00:36:223
1821194995249,2cyclictest2013251-21kworker/0:200:00:120
1821194995247,3cyclictest1087385-1kworker/0:2H22:40:040
1821194995244,6cyclictest1087385-1kworker/0:2H22:07:140
1821198995149,1cyclictest1829301-21kworker/3:219:52:063
1821198995147,2cyclictest1829301-21kworker/3:220:00:313
1821198995147,2cyclictest1829301-21kworker/3:220:00:313
1821198995146,3cyclictest1941157-1kworker/3:2H23:55:133
1821198995146,3cyclictest1346134-1kworker/3:1H21:00:143
1821197995148,2cyclictest1846745-21kworker/2:220:32:052
1821197995145,4cyclictest2427282-1kworker/2:0H22:00:212
1821198995046,3cyclictest1829301-21kworker/3:220:26:513
1821198995045,3cyclictest1941157-1kworker/3:2H23:10:063
1821197995047,2cyclictest1829241-21kworker/2:119:41:432
1821197995045,3cyclictest2427282-1kworker/2:0H21:18:532
1821197995045,3cyclictest1880500-21kworker/2:221:34:032
1821198994945,3cyclictest1854508-21kworker/3:021:08:273
1821197994946,2cyclictest1920572-21kworker/2:122:16:392
1821197994946,2cyclictest1880500-21kworker/2:221:43:332
1821197994945,3cyclictest2427282-1kworker/2:0H23:23:542
1821194994945,2cyclictest1087385-1kworker/0:2H23:00:150
1821194994945,2cyclictest1087385-1kworker/0:2H23:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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