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2026-05-04 - 22:48
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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 Mon May 04, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1811822997440,32cyclictest1871728-21kworker/1:109:35:151
1811822997041,28cyclictest1838506-21kworker/1:108:35:131
1811822996941,27cyclictest542542-1kworker/1:2H08:00:141
1811822996939,29cyclictest542542-1kworker/1:2H08:20:141
1811822996840,27cyclictest542542-1kworker/1:2H10:35:141
1811822996839,27cyclictest1932647-21kworker/1:010:50:141
1811822996535,29cyclictest542542-1kworker/1:2H11:10:551
181182299650,64cyclictest0-21swapper/107:25:131
1811822996461,2cyclictest0-21swapper/109:15:231
1811822996435,28cyclictest1932647-21kworker/1:010:45:151
1811822996435,27cyclictest1989750-21kworker/1:011:55:141
1811822996361,1cyclictest329-21jbd2/mmcblk0p2-12:00:321
1811822996339,22cyclictest1916259-21kworker/1:010:25:141
1811822996335,27cyclictest542542-1kworker/1:2H11:20:141
1811822996259,2cyclictest0-21swapper/107:17:101
1811822996233,28cyclictest1835423-21kworker/1:208:30:141
1811822996233,28cyclictest1835423-21kworker/1:208:30:141
1811822996142,18cyclictest1916259-21kworker/1:010:30:131
1811822996133,27cyclictest542542-1kworker/1:2H11:25:131
1811822996133,27cyclictest542542-1kworker/1:2H11:25:131
1811822996133,27cyclictest2022339-21kworker/1:012:20:131
1811845996048,9cyclictest3402818-1kworker/2:1H11:40:132
1811822996045,14cyclictest2017502-21kworker/1:112:34:561
1811822996041,18cyclictest1888155-21kworker/1:209:55:141
1811822996041,18cyclictest1857072-21kworker/1:009:20:141
1811822996040,19cyclictest1849572-21kworker/1:209:25:141
1811822996040,19cyclictest1813207-21kworker/1:007:30:141
1811822996034,25cyclictest1906539-21kworker/1:010:15:021
1811822995943,15cyclictest1832015-21kworker/1:108:15:021
1811822995941,16cyclictest542542-1kworker/1:2H11:00:531
1811822995941,16cyclictest542542-1kworker/1:2H11:00:531
1811822995934,24cyclictest1821430-21kworker/1:107:45:001
181182299592,2cyclictest0-21swapper/110:11:191
1811822995843,14cyclictest1932647-21kworker/1:010:40:511
1811822995841,16cyclictest1813207-21kworker/1:007:24:561
1811822995839,17cyclictest1829820-21kworker/1:308:10:151
1811822995830,27cyclictest1818361-21kworker/1:207:35:141
1811822995826,30cyclictest1978742-21kworker/1:211:40:021
1811822995742,14cyclictest542542-1kworker/1:2H08:40:151
1811822995741,15cyclictest1968903-21kworker/1:011:31:351
1811822995741,15cyclictest1842202-21kworker/1:308:50:381
1811822995740,16cyclictest2002995-21kworker/1:212:15:141
1811822995737,19cyclictest1826097-21kworker/1:008:05:131
1811845995642,12cyclictest3402818-1kworker/2:1H10:35:002
1811822995653,2cyclictest0-21swapper/107:11:151
1811822995641,14cyclictest1992927-21kworker/1:311:45:161
1811822995641,14cyclictest1978742-21kworker/1:211:35:281
1811822995641,14cyclictest1888155-21kworker/1:210:05:141
1811822995640,15cyclictest1848031-21kworker/1:009:01:101
1811822995640,15cyclictest1821430-21kworker/1:107:50:011
1811822995639,16cyclictest1871728-21kworker/1:109:45:141
1811822995639,16cyclictest1871728-21kworker/1:109:45:141
1811845995550,3cyclictest1900094-21kworker/2:110:20:532
1811845995540,12cyclictest3402818-1kworker/2:1H07:55:002
1811822995540,14cyclictest2029486-21kworker/1:012:28:261
1811822995540,14cyclictest2017502-21kworker/1:112:35:001
1811822995540,14cyclictest1989750-21kworker/1:011:50:151
1811822995540,14cyclictest1943367-21kworker/1:210:55:001
1811822995540,14cyclictest1848031-21kworker/1:009:10:151
1811822995540,14cyclictest1848031-21kworker/1:009:05:151
1811822995540,14cyclictest1842202-21kworker/1:308:55:131
1811822995539,15cyclictest1948283-21kworker/1:111:07:271
1811822995539,15cyclictest1871728-21kworker/1:109:50:151
1811822995539,15cyclictest1871728-21kworker/1:109:50:141
1811822995539,15cyclictest1871728-21kworker/1:109:34:541
1811822995539,15cyclictest1821430-21kworker/1:107:45:151
1811822995537,17cyclictest1895474-21kworker/1:010:00:151
1811818995532,3cyclictest2022713-21kworker/0:012:20:000
1811845995450,3cyclictest3402818-1kworker/2:1H09:14:262
1811822995439,14cyclictest2002995-21kworker/1:212:05:131
1811822995439,14cyclictest1962903-21kworker/1:211:18:291
1811855995350,2cyclictest1829255-21kworker/3:008:44:033
1811855995348,3cyclictest1811694-21kworker/3:207:36:273
1811845995342,8cyclictest3402818-1kworker/2:1H09:30:132
1811822995338,14cyclictest1911382-21kworker/1:110:20:151
1811822995338,14cyclictest1835423-21kworker/1:208:25:131
1811822995337,15cyclictest542542-1kworker/1:2H08:45:161
1811822995337,15cyclictest2012713-21kworker/1:012:10:011
1811822995333,19cyclictest1873450-21kworker/1:309:40:141
1811855995249,2cyclictest1829255-21kworker/3:008:10:273
1811855995147,2cyclictest1927383-21kworker/3:112:15:233
1811845995148,2cyclictest1991205-21kworker/2:011:46:372
1811822995136,14cyclictest1826097-21kworker/1:007:55:121
1811855995047,2cyclictest1927383-21kworker/3:112:30:313
1811855995045,3cyclictest546374-1kworker/3:0H09:51:523
1811855995045,3cyclictest546374-1kworker/3:0H09:51:523
1811845995045,3cyclictest3402818-1kworker/2:1H08:50:322
1811845995045,3cyclictest3402818-1kworker/2:1H07:43:562
1811845995044,4cyclictest3402818-1kworker/2:1H08:45:322
1811845995035,12cyclictest3402818-1kworker/2:1H08:05:162
1811818995047,2cyclictest1830739-21kworker/0:108:56:260
1811818995047,2cyclictest1830739-21kworker/0:108:51:410
1811818995046,2cyclictest2604461-1kworker/0:2H09:25:140
1811818995045,3cyclictest2604461-1kworker/0:2H11:25:130
1811818995045,3cyclictest2604461-1kworker/0:2H11:25:130
1811855994946,2cyclictest1829255-21kworker/3:008:16:273
1811845994944,3cyclictest3402818-1kworker/2:1H10:10:472
1811845994940,7cyclictest3402818-1kworker/2:1H09:05:012
1811855994845,2cyclictest1927383-21kworker/3:111:43:573
1811855994845,2cyclictest1829255-21kworker/3:009:44:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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