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2026-09-06 - 19:20
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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 Sun Sep 06, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1841094997237,33cyclictest1846314-21kworker/1:307:35:151
1841094996739,27cyclictest1869491-21kworker/1:208:55:201
1841094996635,30cyclictest1912484-21kworker/1:109:50:141
184109499650,64cyclictest0-21swapper/107:45:191
184109499650,63cyclictest0-21swapper/112:05:061
1841094996441,21cyclictest3479469-1kworker/1:1H08:15:001
184109499630,62cyclictest0-21swapper/109:10:161
184109499630,2cyclictest1-21systemd09:04:591
1841094996234,27cyclictest1855847-21kworker/1:007:55:141
1841094996234,26cyclictest1992939-21kworker/1:311:25:131
1841094996215,45cyclictest1973463-21kworker/1:311:00:181
1841094996145,15cyclictest1844498-21kworker/1:207:20:101
1841094996139,21cyclictest1980319-21kworker/1:011:15:141
1841094996138,22cyclictest1969568-21kworker/1:110:55:131
1841094996133,27cyclictest1877208-21kworker/1:109:10:011
1841094996132,28cyclictest1869491-21kworker/1:208:50:191
1841094996131,29cyclictest1901232-21kworker/1:009:35:131
184109499590,57cyclictest1950263-21cron10:30:011
1841094995856,1cyclictest0-21swapper/112:03:471
1841094995855,2cyclictest0-21swapper/111:10:051
1841094995838,18cyclictest1920876-21kworker/1:210:15:131
1841094995829,28cyclictest1846314-21kworker/1:307:30:121
1841094995828,28cyclictest1893123-1kworker/1:0H10:05:131
1841094995827,30cyclictest2036560-21kworker/1:312:25:001
1841094995826,30cyclictest1893123-1kworker/1:0H12:18:381
1841094995743,11cyclictest1867074-21fschecks_time08:30:131
1841094995742,14cyclictest1893123-1kworker/1:0H10:45:131
1841094995741,15cyclictest2004615-21kworker/1:211:35:141
1841094995741,15cyclictest1901232-21kworker/1:009:35:011
1841094995741,15cyclictest1901232-21kworker/1:009:35:001
1841094995737,18cyclictest2060672-21kworker/1:012:35:171
1841094995728,28cyclictest2045644-21kworker/1:012:20:151
1841094995653,2cyclictest0-21swapper/110:35:201
184109499564,2cyclictest1887598-21cron09:19:591
1841094995641,14cyclictest3479469-1kworker/1:1H07:44:311
1841094995641,14cyclictest2018870-21kworker/1:211:52:121
1841094995641,14cyclictest1952060-21kworker/1:310:40:151
1841094995641,14cyclictest1869491-21kworker/1:208:45:451
1841094995641,14cyclictest1861773-21kworker/1:308:40:151
1841094995641,14cyclictest1855847-21kworker/1:008:00:331
1841094995641,14cyclictest1846314-21kworker/1:307:25:131
1841094995641,14cyclictest1838099-21kworker/1:007:10:061
1841094995640,15cyclictest1925746-21kworker/1:010:20:021
1841094995640,15cyclictest1925746-21kworker/1:010:10:181
184109499560,55cyclictest0-21swapper/111:35:011
1841091995650,4cyclictest3930334-1kworker/0:2H09:25:090
1841099995542,10cyclictest902212-1kworker/3:2H10:35:153
1841099995538,3cyclictest902212-1kworker/3:2H07:20:153
1841097995549,3cyclictest3683655-1kworker/2:2H12:35:162
1841094995540,14cyclictest1855847-21kworker/1:008:07:441
1841094995539,15cyclictest2018870-21kworker/1:212:10:131
1841094995537,17cyclictest2004615-21kworker/1:211:40:161
184109499551,53cyclictest0-21swapper/109:55:551
1841094995439,14cyclictest2036560-21kworker/1:312:31:131
1841094995439,14cyclictest1920876-21kworker/1:210:00:141
1841094995439,14cyclictest1889842-21kworker/1:209:25:121
184109499540,4cyclictest3479469-1kworker/1:1H08:20:181
1841097995347,3cyclictest3683655-1kworker/2:2H10:34:592
1841094995338,14cyclictest1861773-21kworker/1:308:35:011
1841094995338,14cyclictest1860223-21kworker/1:108:26:141
1841094995338,14cyclictest1838099-21kworker/1:007:15:261
1841094995337,15cyclictest2014270-21kworker/1:111:45:011
1841094995337,15cyclictest1907020-21kworker/1:209:45:081
1841091995342,8cyclictest3930334-1kworker/0:2H11:50:130
1841099995247,3cyclictest1910044-21kworker/3:110:05:303
1841097995248,3cyclictest1972217-21kworker/2:211:08:432
1841097995248,2cyclictest1836472-21kworker/2:107:18:192
1841094995237,14cyclictest1980319-21kworker/1:011:05:011
1841094995237,14cyclictest1860223-21kworker/1:108:19:461
1841094995236,15cyclictest1944850-21kworker/1:110:30:251
1841094995235,16cyclictest2018870-21kworker/1:211:55:151
1841094995235,16cyclictest1894557-21kworker/1:109:40:141
1841094995234,17cyclictest1958299-21kworker/1:210:50:141
1841091995247,3cyclictest3930334-1kworker/0:2H07:51:030
1841099995147,3cyclictest1910044-21kworker/3:110:19:433
1841099995146,3cyclictest902212-1kworker/3:2H12:05:423
1841099995146,3cyclictest902212-1kworker/3:2H11:21:133
1841099995146,3cyclictest1910044-21kworker/3:110:34:133
1841097995148,2cyclictest1860509-21kworker/2:208:50:302
1841097995148,2cyclictest1860509-21kworker/2:208:11:432
1841097995147,3cyclictest1875659-21kworker/2:009:09:142
184109499512,3cyclictest0-21swapper/109:20:141
1841091995146,3cyclictest3930334-1kworker/0:2H12:20:140
1841091995146,3cyclictest1913257-21kworker/0:010:25:000
1841091995133,3cyclictest3930334-1kworker/0:2H09:35:010
1841091995133,3cyclictest3930334-1kworker/0:2H09:35:000
1841099995046,2cyclictest1910044-21kworker/3:110:00:393
1841099995045,3cyclictest902212-1kworker/3:2H11:15:183
1841099995045,3cyclictest2012241-21kworker/3:212:24:553
1841097995047,2cyclictest1895018-21kworker/2:009:39:432
1841097995045,3cyclictest3683655-1kworker/2:2H08:59:382
1841094995035,14cyclictest1992939-21kworker/1:311:23:121
184109499503,45cyclictest1855643-21systemd07:55:001
1841099994946,2cyclictest1844582-21kworker/3:208:40:123
1841099994944,3cyclictest902212-1kworker/3:2H08:00:003
1841099994944,3cyclictest902212-1kworker/3:2H07:45:513
1841099994944,2cyclictest902212-1kworker/3:2H11:50:143
1841099994943,4cyclictest902212-1kworker/3:2H09:43:393
1841099994943,3cyclictest2012241-21kworker/3:211:55:313
1841099994937,2cyclictest902212-1kworker/3:2H07:30:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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