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2026-04-15 - 11:13
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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 Wed Apr 15, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1901596996866,1cyclictest0-21swapper/122:35:101
1901596996461,2cyclictest0-21swapper/123:59:361
190159699620,61cyclictest0-21swapper/119:44:391
1901596996146,14cyclictest1960988-21kworker/1:321:35:151
1901596995942,16cyclictest2086089-21kworker/1:000:09:591
1901596995942,16cyclictest2040726-21kworker/1:223:15:151
1901596995942,15cyclictest1358121-1kworker/1:1H22:20:141
1901596995941,17cyclictest2054195-21kworker/1:223:35:021
1901596995941,17cyclictest1985443-21kworker/1:322:10:111
1901596995938,19cyclictest1358121-1kworker/1:1H19:40:001
1901596995843,14cyclictest2049623-21kworker/1:023:30:001
1901596995842,15cyclictest2023504-21kworker/1:022:52:181
1901596995842,15cyclictest1927168-21kworker/1:120:35:431
1901596995842,15cyclictest1908132-21kworker/1:019:32:451
1901596995842,15cyclictest1358121-1kworker/1:1H23:41:091
1901596995828,16cyclictest1913367-21kworker/1:319:55:131
1901592995853,3cyclictest3989358-1kworker/0:0H21:10:000
1901596995742,14cyclictest2086089-21kworker/1:000:15:011
1901596995742,14cyclictest1960988-21kworker/1:321:50:531
1901596995742,14cyclictest1930249-21kworker/1:220:45:011
1901596995742,14cyclictest1358121-1kworker/1:1H19:15:151
1901596995741,15cyclictest2068691-21kworker/1:200:00:151
1901596995741,15cyclictest2063108-21kworker/1:023:50:061
1901596995741,15cyclictest1936415-21kworker/1:021:00:141
1901596995741,15cyclictest1911214-21kworker/1:219:45:111
1901596995741,14cyclictest1941546-21kworker/1:221:25:141
1901596995741,14cyclictest1358121-1kworker/1:1H20:55:071
1901596995740,16cyclictest1358121-1kworker/1:1H20:40:061
1901596995735,21cyclictest1358121-1kworker/1:1H21:15:451
1901596995641,14cyclictest2103402-21kworker/1:200:30:141
1901596995641,14cyclictest2103402-21kworker/1:200:30:141
1901596995641,14cyclictest2068691-21kworker/1:200:10:221
1901596995641,14cyclictest2049623-21kworker/1:023:25:001
1901596995641,14cyclictest2040726-21kworker/1:223:22:181
1901596995641,14cyclictest2019197-21kworker/1:122:56:031
1901596995641,14cyclictest1965345-21kworker/1:021:40:461
1901596995641,14cyclictest1936415-21kworker/1:021:05:161
1901596995641,14cyclictest1901404-21kworker/1:219:10:011
1901596995640,15cyclictest2032167-21kworker/1:023:10:321
1901596995640,15cyclictest2014123-21kworker/1:322:41:051
1901596995640,15cyclictest1980906-21kworker/1:222:00:131
1901596995640,15cyclictest1922272-21kworker/1:220:15:161
1901596995639,16cyclictest1990642-21kworker/1:022:25:131
1901596995639,16cyclictest1930249-21kworker/1:220:50:141
1901596995639,16cyclictest1925629-21kworker/1:220:28:161
1901596995540,14cyclictest2099068-21kworker/1:000:35:011
1901596995540,14cyclictest2032167-21kworker/1:023:05:151
1901596995540,14cyclictest2014123-21kworker/1:322:45:151
1901596995540,14cyclictest1919191-21kworker/1:120:10:141
1901596995539,15cyclictest1358121-1kworker/1:1H21:34:471
1901596995538,16cyclictest2099068-21kworker/1:000:27:181
1901596995538,16cyclictest2068691-21kworker/1:200:20:141
1901596995538,16cyclictest2005406-21kworker/1:122:30:161
1901596995537,17cyclictest1960988-21kworker/1:321:45:141
1901596995537,17cyclictest1941546-21kworker/1:221:20:131
1901592995547,6cyclictest1990874-21kworker/0:022:40:590
1901605995449,3cyclictest1677842-1kworker/3:0H22:01:453
1901600995449,3cyclictest3819399-1kworker/2:0H21:48:172
1901596995439,14cyclictest1974429-21kworker/1:021:55:131
1901596995439,14cyclictest1913367-21kworker/1:320:00:141
1901596995438,15cyclictest1924068-21kworker/1:020:20:161
1901596995437,16cyclictest1990642-21kworker/1:022:15:151
1901596995437,16cyclictest1936415-21kworker/1:021:10:011
1901596995437,16cyclictest1913367-21kworker/1:320:05:131
1901592995449,3cyclictest3989358-1kworker/0:0H19:15:060
1901592995449,3cyclictest1990874-21kworker/0:022:19:180
1901592995448,4cyclictest3989358-1kworker/0:0H23:25:060
1901592995446,5cyclictest3989358-1kworker/0:0H22:32:480
1901600995348,3cyclictest3819399-1kworker/2:0H21:22:452
1901596995337,15cyclictest2027830-21kworker/1:223:02:471
1901596995337,15cyclictest1913367-21kworker/1:319:50:131
1901592995348,3cyclictest2066292-21kworker/0:200:05:220
1901605995248,3cyclictest2001058-21kworker/3:023:35:243
1901605995248,2cyclictest2001058-21kworker/3:022:32:163
1901600995248,2cyclictest1937980-21kworker/2:221:08:512
1901600995247,3cyclictest1928711-21kworker/2:220:39:162
1901596995236,15cyclictest1980906-21kworker/1:222:05:011
1901596995236,15cyclictest1927168-21kworker/1:120:30:141
1901592995246,4cyclictest1901409-21kworker/0:319:30:140
1901592995245,5cyclictest3989358-1kworker/0:0H00:37:180
1901592995244,4cyclictest3989358-1kworker/0:0H00:20:130
1901605995147,3cyclictest2001058-21kworker/3:023:11:473
1901605995147,2cyclictest631174-21kworker/3:019:26:403
1901600995148,2cyclictest2074872-21kworker/2:000:11:432
1901600995148,2cyclictest1944108-21kworker/2:221:16:482
1901596995135,15cyclictest1901404-21kworker/1:219:27:151
1901596995135,15cyclictest1901404-21kworker/1:219:20:111
1901592995145,4cyclictest51650irq/160-enp0s2921:10:060
1901592995144,5cyclictest3989358-1kworker/0:0H23:33:170
1901605995047,2cyclictest1928705-21kworker/3:021:00:063
1901605995047,2cyclictest1677842-1kworker/3:0H20:24:553
1901600995047,2cyclictest1936421-21kworker/2:121:02:412
1901600995047,2cyclictest1903738-21kworker/2:219:34:392
1901600995045,3cyclictest3819399-1kworker/2:0H22:41:382
1901596995033,16cyclictest2063108-21kworker/1:023:45:011
1901592995045,3cyclictest1920739-21kworker/0:120:15:200
1901592995043,4cyclictest3989358-1kworker/0:0H22:50:130
1901592995042,5cyclictest3989358-1kworker/0:0H21:40:450
1901605994946,2cyclictest1677842-1kworker/3:0H21:20:233
1901605994945,3cyclictest2001058-21kworker/3:023:47:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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