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2026-03-22 - 08:18
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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 Mar 22, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1791276998015,63cyclictest0-21swapper/119:47:301
179127699690,66cyclictest0-21swapper/122:31:051
179127699651,62cyclictest0-21swapper/100:39:041
179127699650,63cyclictest0-21swapper/123:58:111
179127699641,1cyclictest0-21swapper/123:08:541
179127699640,63cyclictest0-21swapper/122:40:411
179127699640,2cyclictest0-21swapper/123:15:051
1791276996159,1cyclictest0-21swapper/120:42:531
1791276996158,2cyclictest0-21swapper/100:23:171
1791276996141,18cyclictest1805799-21kworker/1:020:00:161
1791276996045,14cyclictest1944063-21kworker/1:323:35:011
1791276996044,15cyclictest3440490-1kworker/1:2H00:15:341
1791276996040,19cyclictest1788335-21kworker/1:119:10:141
1791276996039,19cyclictest1933273-21kworker/1:023:20:151
1791276996037,21cyclictest3440490-1kworker/1:2H19:45:001
1791276995957,1cyclictest0-21swapper/119:54:181
1791276995956,2cyclictest0-21swapper/119:37:231
1791276995944,14cyclictest1798345-21kworker/1:019:32:271
1791276995938,19cyclictest3440490-1kworker/1:2H20:22:351
1791276995856,1cyclictest0-21swapper/122:58:241
1791276995856,1cyclictest0-21swapper/120:33:131
1791276995856,1cyclictest0-21swapper/120:11:181
1791276995841,16cyclictest1953066-21kworker/1:200:00:141
1791276995841,16cyclictest1917717-21kworker/1:123:10:131
1791276995841,15cyclictest3440490-1kworker/1:2H20:15:141
1791276995742,14cyclictest1919080-21kworker/1:223:00:211
1791276995742,14cyclictest1899547-21kworker/1:322:45:121
1791276995741,15cyclictest1836165-21kworker/1:021:30:051
1791276995741,15cyclictest1802983-21kworker/1:119:55:131
1791276995741,15cyclictest1802983-21kworker/1:119:55:131
1791276995738,17cyclictest1899547-21kworker/1:322:50:001
1791276995735,20cyclictest1937593-21kworker/1:123:25:141
1791276995641,14cyclictest1873145-21kworker/1:022:09:561
1791276995641,14cyclictest1855728-21kworker/1:021:50:311
1791276995641,14cyclictest1838305-21kworker/1:321:20:151
1791276995641,14cyclictest1838305-21kworker/1:321:20:141
1791276995641,14cyclictest1827976-21kworker/1:021:05:191
1791276995641,14cyclictest1810494-21kworker/1:320:29:241
1791276995640,15cyclictest1990964-21kworker/1:200:26:561
1791276995640,15cyclictest1953066-21kworker/1:223:50:151
1791276995640,15cyclictest1941881-21kworker/1:023:39:561
1791276995640,15cyclictest1879734-21kworker/1:122:15:081
1791276995640,15cyclictest1820006-21kworker/1:020:50:021
1791276995640,15cyclictest1807341-21kworker/1:220:05:151
1791276995639,16cyclictest1792702-21kworker/1:019:15:141
1791276995553,1cyclictest0-21swapper/120:47:221
1791276995540,14cyclictest1855728-21kworker/1:021:55:001
1791276995540,14cyclictest1826416-21kworker/1:120:55:231
1791276995539,15cyclictest1879734-21kworker/1:122:14:551
1791276995539,15cyclictest1864572-21kworker/1:222:00:231
1791276995538,16cyclictest1887416-21kworker/1:222:20:151
179127699552,50cyclictest0-21swapper/100:30:141
179127699552,50cyclictest0-21swapper/100:30:141
1791278995449,3cyclictest3426682-1kworker/2:1H23:42:172
1791276995452,1cyclictest0-21swapper/123:45:531
1791276995439,14cyclictest1850839-21kworker/1:221:40:131
1791276995439,14cyclictest1810494-21kworker/1:320:37:411
1791276995438,15cyclictest1891488-21kworker/1:122:35:151
1791276995438,15cyclictest1855728-21kworker/1:021:45:151
1791276995437,15cyclictest3440490-1kworker/1:2H21:00:391
1791276995436,16cyclictest1827976-21kworker/1:021:10:151
1791276995436,16cyclictest1827976-21kworker/1:021:10:151
1791272995451,2cyclictest1953051-21kworker/0:023:44:520
1791276995338,14cyclictest1977055-21kworker/1:100:10:151
1791276995338,14cyclictest1953066-21kworker/1:223:40:171
1791276995338,14cyclictest1836165-21kworker/1:021:25:151
1791276995338,14cyclictest1796308-21kworker/1:119:25:061
1791276995338,14cyclictest1792702-21kworker/1:019:20:131
1791276995337,15cyclictest1884357-21kworker/1:022:25:011
1791272995348,3cyclictest2494205-1kworker/0:2H19:15:140
1791281995247,3cyclictest1823157-21kworker/3:222:38:523
1791278995247,3cyclictest1857681-21kworker/2:121:47:502
1791276995236,15cyclictest1970901-21kworker/1:000:09:591
1791276995233,18cyclictest3440490-1kworker/1:2H21:15:151
179127699520,51cyclictest0-21swapper/121:39:281
1791272995249,2cyclictest1813514-21kworker/0:220:21:200
1791272995247,3cyclictest2494205-1kworker/0:2H19:43:000
1791281995148,2cyclictest1952262-21kworker/3:000:22:533
1791281995148,2cyclictest1823157-21kworker/3:222:40:533
1791281995147,3cyclictest3728265-1kworker/3:2H23:15:533
1791281995147,2cyclictest1823157-21kworker/3:220:55:063
1791278995147,2cyclictest1844243-21kworker/2:021:34:002
1791278995147,2cyclictest1805807-21kworker/2:220:02:182
1791272995147,2cyclictest1806059-21kworker/0:020:05:050
1791281995047,2cyclictest1794827-21kworker/3:120:33:133
1791281995047,2cyclictest1794827-21kworker/3:120:11:183
1791281995046,3cyclictest3728265-1kworker/3:2H22:58:243
1791281995046,2cyclictest1794827-21kworker/3:119:25:543
1791281995045,3cyclictest3728265-1kworker/3:2H19:55:013
1791281995038,10cyclictest1794827-21kworker/3:120:16:523
1791278995045,3cyclictest1808898-21kworker/2:020:13:182
1791278995045,3cyclictest1797846-21kworker/2:119:52:382
1791272995047,2cyclictest1806059-21kworker/0:019:58:590
1791272995047,2cyclictest1806059-21kworker/0:019:58:580
1791272995046,2cyclictest1804264-21kworker/0:120:01:540
1791272995045,3cyclictest2494205-1kworker/0:2H23:30:140
1791272995045,3cyclictest1979150-21kworker/0:200:20:130
1791281994946,2cyclictest1823157-21kworker/3:221:02:453
1791281994946,2cyclictest1794827-21kworker/3:120:29:543
1791278994945,3cyclictest1828234-21kworker/2:121:06:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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