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2026-08-02 - 08:11
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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 Aug 02, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2145978996940,27cyclictest4121334-1kworker/1:0H21:30:001
2145978996938,29cyclictest2260690-21kworker/1:122:45:171
2145978996741,24cyclictest4121334-1kworker/1:0H23:15:161
2145978996740,25cyclictest2244531-21kworker/1:222:25:141
2145978996540,14cyclictest2155870-21kworker/1:019:50:141
214597899651,62cyclictest0-21swapper/122:44:061
2145978996448,15cyclictest2312842-21kworker/1:123:40:151
2145978996337,16cyclictest2356174-21kworker/1:200:25:141
2145978996259,1cyclictest0-21swapper/100:23:081
2145978996139,15cyclictest4121334-1kworker/1:0H22:55:061
2145978996139,14cyclictest2308180-21kworker/1:223:35:161
2145978996043,16cyclictest2218239-21kworker/1:321:55:161
2145978996041,17cyclictest2165797-21kworker/1:320:30:151
2145978996035,15cyclictest2175946-21kworker/1:120:50:171
2145978995956,2cyclictest0-21swapper/120:20:211
2145978995943,15cyclictest2328000-21kworker/1:323:52:411
2145978995939,19cyclictest2198824-21kworker/1:021:30:131
2145978995842,15cyclictest2338842-21kworker/1:200:05:101
2145978995840,17cyclictest2312842-21kworker/1:123:45:151
2145978995840,16cyclictest2202763-21kworker/1:121:35:171
2145978995839,18cyclictest2346869-21kworker/1:300:10:121
2145978995741,15cyclictest2165797-21kworker/1:320:13:091
2145978995740,16cyclictest2165797-21kworker/1:320:25:211
2145978995739,17cyclictest2145801-21kworker/1:219:40:151
2145978995735,20cyclictest4121334-1kworker/1:0H20:47:151
2145984995652,2cyclictest2172904-21kworker/3:000:24:543
2145978995652,2cyclictest2174398-21cron20:40:001
2145978995641,14cyclictest4121334-1kworker/1:0H19:13:381
2145978995641,14cyclictest2303466-21kworker/1:023:23:101
2145978995641,14cyclictest2283175-21kworker/1:023:03:151
2145978995640,15cyclictest4121334-1kworker/1:0H22:13:381
2145978995640,15cyclictest2312842-21kworker/1:123:55:161
2145978995640,15cyclictest2303466-21kworker/1:023:30:141
2145978995640,15cyclictest2261079-21kworker/1:222:35:211
2145978995640,15cyclictest2182373-21kworker/1:321:15:151
2145978995637,18cyclictest2182373-21kworker/1:321:05:151
2145978995539,15cyclictest2338842-21kworker/1:200:04:391
2145978995539,15cyclictest2249347-21kworker/1:022:30:151
2145978995539,15cyclictest2155870-21kworker/1:020:05:131
2145978995538,16cyclictest2235149-21kworker/1:122:15:151
2145978995537,17cyclictest2145801-21kworker/1:219:35:141
2145978995536,17cyclictest2202763-21kworker/1:121:40:141
214597899552,2cyclictest0-21swapper/122:51:381
214597899552,2cyclictest0-21swapper/121:21:081
2145984995449,3cyclictest493060-1kworker/3:0H21:56:393
2145983995449,3cyclictest985620-1kworker/2:2H21:47:072
2145978995438,15cyclictest4121334-1kworker/1:0H22:07:341
2145978995438,15cyclictest2244531-21kworker/1:222:24:101
2145978995438,15cyclictest2179026-21kworker/1:021:01:091
2145978995438,15cyclictest2179026-21kworker/1:020:57:071
214597899541,52cyclictest0-21swapper/123:07:071
2145977995450,3cyclictest50918-1kworker/0:2H00:06:380
2145977995450,2cyclictest2143006-21kworker/0:019:24:380
2145977995449,3cyclictest50918-1kworker/0:2H23:21:070
2145977995449,3cyclictest2263847-21kworker/0:022:49:080
2145978995350,2cyclictest0-21swapper/100:15:411
2145978995338,14cyclictest2182373-21kworker/1:321:12:181
2145978995338,14cyclictest2145801-21kworker/1:219:30:121
2145978995337,15cyclictest4121334-1kworker/1:0H23:10:151
2145978995337,15cyclictest2145801-21kworker/1:219:16:071
2145978995336,16cyclictest2303466-21kworker/1:023:25:131
2145978995336,16cyclictest2218239-21kworker/1:321:50:141
2145978995336,16cyclictest2155870-21kworker/1:019:55:131
2145984995248,2cyclictest2172904-21kworker/3:023:49:083
2145984995246,3cyclictest493060-1kworker/3:0H20:02:103
2145983995248,2cyclictest2165118-21kworker/2:020:20:322
2145983995247,3cyclictest985620-1kworker/2:2H00:28:182
2145983995247,3cyclictest2314211-21kworker/2:223:55:052
2145978995250,1cyclictest0-21swapper/100:35:461
2145978995249,2cyclictest0-21swapper/120:40:181
2145978995249,2cyclictest0-21swapper/100:34:331
2145978995237,14cyclictest2155870-21kworker/1:020:00:371
2145978995237,14cyclictest2145801-21kworker/1:219:20:141
2145978995236,15cyclictest2225027-21kworker/1:222:00:071
2145978995236,15cyclictest2145801-21kworker/1:219:28:091
2145984995147,3cyclictest2172904-21kworker/3:022:55:273
2145984995147,3cyclictest2172904-21kworker/3:000:30:223
2145984995147,2cyclictest2172904-21kworker/3:023:25:483
2145984995146,3cyclictest493060-1kworker/3:0H23:00:133
2145983995147,2cyclictest2259995-21kworker/2:022:41:082
2145983995146,3cyclictest985620-1kworker/2:2H23:50:062
2145983995145,3cyclictest985620-1kworker/2:2H19:20:142
2145977995148,2cyclictest2154053-21kworker/0:119:41:320
2145977995147,2cyclictest2180566-21kworker/0:021:03:070
2145977995147,2cyclictest2157158-21kworker/0:219:49:080
2145977995145,4cyclictest50918-1kworker/0:2H23:11:180
2145977995145,3cyclictest50918-1kworker/0:2H20:30:150
2145984995046,2cyclictest2172904-21kworker/3:021:09:423
2145983995046,2cyclictest2179030-21kworker/2:021:12:242
2145983995045,3cyclictest2259995-21kworker/2:022:51:372
2145983995045,2cyclictest985620-1kworker/2:2H22:15:152
2145978995034,15cyclictest2157782-21kworker/1:319:45:141
2145977995046,2cyclictest2163316-21kworker/0:020:10:320
2145977995044,3cyclictest50918-1kworker/0:2H00:10:120
2145984994945,3cyclictest493060-1kworker/3:0H23:30:013
2145984994945,3cyclictest2172904-21kworker/3:023:53:083
2145983994946,2cyclictest2285412-21kworker/2:023:03:152
2145983994945,3cyclictest2230869-21kworker/2:122:07:392
2145983994945,2cyclictest2230869-21kworker/2:122:29:072
2145983994945,2cyclictest2171308-21kworker/2:220:37:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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