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2026-01-03 - 02:46
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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 Fri Jan 02, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196778499681,3cyclictest1977778-21kworker/1:207:45:171
196778499640,62cyclictest2070207-21sh12:34:591
1967784996341,19cyclictest1760125-1kworker/1:1H08:30:011
196778499630,62cyclictest0-21swapper/110:25:271
1967784996145,15cyclictest2040163-21kworker/1:011:00:351
1967784996139,20cyclictest2040163-21kworker/1:011:05:141
1967784996139,20cyclictest1760125-1kworker/1:1H10:25:001
1967784996044,15cyclictest2047679-21kworker/1:311:25:341
1967784996044,15cyclictest1985498-21kworker/1:008:35:011
1967784996041,17cyclictest2032331-21kworker/1:010:40:131
1967784996040,18cyclictest2016899-21kworker/1:109:50:141
1967784996040,18cyclictest1985498-21kworker/1:008:30:131
1967784995943,15cyclictest2053173-21kworker/1:011:40:021
1967784995943,15cyclictest2047679-21kworker/1:311:20:161
1967784995943,15cyclictest2021790-21kworker/1:110:05:131
1967784995943,15cyclictest2019090-21kworker/1:009:55:161
1967784995943,15cyclictest2017501-21kworker/1:309:45:181
1967784995943,15cyclictest2004283-21kworker/1:209:05:131
1967784995943,15cyclictest1996306-21kworker/1:208:40:131
1967784995943,15cyclictest1985498-21kworker/1:008:20:001
1967784995943,15cyclictest1980881-21kworker/1:307:58:501
1967784995942,16cyclictest1980881-21kworker/1:307:50:151
1967784995940,18cyclictest2037474-21kworker/1:110:50:151
1967784995939,19cyclictest1980881-21kworker/1:308:00:131
1967784995842,15cyclictest2008189-21kworker/1:209:40:001
1967784995842,15cyclictest1994764-21kworker/1:108:56:491
1967784995840,17cyclictest2030789-21kworker/1:210:35:001
1967784995840,17cyclictest2007875-21kworker/1:109:15:151
1967784995840,17cyclictest1760125-1kworker/1:1H09:04:481
1967784995839,18cyclictest2020233-21kworker/1:210:00:001
1967784995839,17cyclictest2054772-21kworker/1:111:45:171
1967784995839,17cyclictest2007875-21kworker/1:109:20:131
1967784995742,14cyclictest1760125-1kworker/1:1H10:15:131
1967784995741,15cyclictest2050095-21kworker/1:211:35:471
1967784995741,15cyclictest2047679-21kworker/1:311:35:001
1967784995741,15cyclictest2021790-21kworker/1:110:10:071
1967784995741,15cyclictest1971314-21kworker/1:107:25:161
1967784995741,15cyclictest1760125-1kworker/1:1H11:55:061
1967784995741,15cyclictest1760125-1kworker/1:1H08:09:161
1967784995740,16cyclictest2040163-21kworker/1:011:10:001
1967784995740,16cyclictest2008189-21kworker/1:209:38:181
1967784995740,16cyclictest1977778-21kworker/1:207:44:131
1967784995740,16cyclictest1760125-1kworker/1:1H07:21:141
1967784995739,17cyclictest1985498-21kworker/1:008:10:411
1967784995739,16cyclictest1760125-1kworker/1:1H12:10:151
1967784995737,18cyclictest2035683-21kworker/1:210:47:471
1967784995640,15cyclictest2058397-21kworker/1:212:05:051
1967784995640,15cyclictest2054772-21kworker/1:111:50:131
1967784995640,15cyclictest1994764-21kworker/1:108:45:001
1967784995639,16cyclictest2032331-21kworker/1:010:35:151
1967784995639,16cyclictest2008189-21kworker/1:209:30:411
1967784995639,16cyclictest1985498-21kworker/1:008:15:231
1967784995639,16cyclictest1974415-21kworker/1:207:30:161
1967784995638,17cyclictest2008189-21kworker/1:209:25:011
1967784995638,17cyclictest1994764-21kworker/1:108:50:161
196778499560,55cyclictest0-21swapper/107:35:061
1967784995537,17cyclictest2040163-21kworker/1:011:17:191
1967784995537,17cyclictest1953561-21kworker/1:207:15:141
1967784995536,18cyclictest2058397-21kworker/1:212:00:171
1967784995535,18cyclictest2067069-21kworker/1:212:35:151
1967784995535,18cyclictest2037474-21kworker/1:110:55:121
1967774995550,3cyclictest3267985-1kworker/0:1H11:02:470
1967784995437,16cyclictest2067069-21kworker/1:212:25:141
1967784995437,16cyclictest2064576-21kworker/1:012:15:151
1967784995436,16cyclictest2006336-21kworker/1:309:10:151
1967784995434,18cyclictest2062433-21kworker/1:112:20:001
1967774995448,4cyclictest1972870-21kworker/0:207:24:160
1967774995348,3cyclictest2062688-21kworker/0:212:17:480
1967774995348,3cyclictest1974664-21kworker/0:107:36:480
1967774995346,4cyclictest3267985-1kworker/0:1H08:53:140
1967774995247,3cyclictest2048547-21kworker/0:211:49:490
1967774995246,4cyclictest1999399-21kworker/0:208:56:480
1967774995246,4cyclictest1995018-21kworker/0:008:40:520
1967774995245,4cyclictest3267985-1kworker/0:1H10:50:150
1967784995133,17cyclictest1969266-21kworker/1:007:14:011
1967774995147,2cyclictest2059337-21kworker/0:012:07:130
1967774995146,3cyclictest3267985-1kworker/0:1H10:44:130
1967774995146,3cyclictest2059337-21kworker/0:012:04:180
1967795995045,3cyclictest703680-1kworker/2:0H08:37:492
1967774995046,2cyclictest1999399-21kworker/0:209:50:030
1967774995046,2cyclictest1974664-21kworker/0:108:03:190
1967774995045,3cyclictest1964398-21kworker/0:007:19:230
1967797994944,3cyclictest4145281-1kworker/3:1H09:39:593
1967795994947,1cyclictest1979327-21kworker/2:007:45:172
1967795994945,3cyclictest703680-1kworker/2:0H09:13:472
1967795994945,3cyclictest703680-1kworker/2:0H08:54:492
1967795994945,2cyclictest1967437-21kworker/2:107:14:012
1967795994944,3cyclictest703680-1kworker/2:0H09:44:472
1967795994944,3cyclictest2001192-21kworker/2:208:58:122
1967795994943,4cyclictest703680-1kworker/2:0H07:30:162
1967774994945,2cyclictest1999399-21kworker/0:209:32:170
1967774994944,3cyclictest3267985-1kworker/0:1H08:45:220
1967774994942,3cyclictest3267985-1kworker/0:1H09:15:130
1967797994843,3cyclictest4145281-1kworker/3:1H07:30:193
1967797994843,3cyclictest1988633-21kworker/3:009:30:293
1967795994845,2cyclictest703680-1kworker/2:0H12:39:542
1967795994845,2cyclictest703680-1kworker/2:0H09:35:102
1967795994844,3cyclictest703680-1kworker/2:0H11:23:472
1967795994844,3cyclictest703680-1kworker/2:0H10:19:442
1967795994844,2cyclictest2027692-21kworker/2:010:23:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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