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2025-12-03 - 16:14
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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 Dec 03, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369836997846,30cyclictest449758-21kworker/1:123:25:121
369836997342,30cyclictest374083-21kworker/1:019:30:151
369836997142,27cyclictest364256-21kworker/1:119:15:161
369836997136,18cyclictest2197392-1kworker/1:2H00:30:141
369836996942,25cyclictest414870-21kworker/1:321:45:001
36983699690,67cyclictest0-21swapper/120:02:281
36983699690,67cyclictest0-21swapper/120:02:281
369836996739,16cyclictest2197392-1kworker/1:2H19:25:161
369836996739,15cyclictest473835-21kworker/1:000:25:181
369836996738,19cyclictest405059-21kworker/1:221:05:141
369836996640,16cyclictest2197392-1kworker/1:2H21:20:151
369836996541,23cyclictest442723-21kworker/1:022:50:151
369836996538,18cyclictest2197392-1kworker/1:2H20:10:001
369836996538,17cyclictest422988-21kworker/1:022:05:151
369836996514,34cyclictest1756130-21systemd-journal22:00:001
369836996461,2cyclictest0-21swapper/121:18:191
369836996442,21cyclictest2197392-1kworker/1:2H20:50:071
369836996342,19cyclictest431299-21kworker/1:222:25:141
369836996341,21cyclictest455704-21kworker/1:023:45:161
369836996338,17cyclictest2197392-1kworker/1:2H22:35:001
369836996244,17cyclictest455704-21kworker/1:023:35:171
369836996241,20cyclictest449758-21kworker/1:123:20:131
369836996158,2cyclictest0-21swapper/123:50:191
369836996146,14cyclictest405059-21kworker/1:221:10:161
369836996139,21cyclictest431299-21kworker/1:222:16:251
369836995943,15cyclictest455704-21kworker/1:023:30:161
369836995943,15cyclictest414870-21kworker/1:321:31:251
369836995943,15cyclictest414870-21kworker/1:321:28:251
369836995943,15cyclictest374083-21kworker/1:019:23:551
369836995942,16cyclictest455704-21kworker/1:023:40:151
369836995939,18cyclictest2197392-1kworker/1:2H23:00:121
369836995842,15cyclictest465443-21kworker/1:200:00:011
369836995842,15cyclictest405059-21kworker/1:221:02:411
369836995842,15cyclictest374083-21kworker/1:019:35:161
369836995841,16cyclictest465443-21kworker/1:200:00:141
369836995841,16cyclictest431299-21kworker/1:222:40:151
369836995840,17cyclictest2197392-1kworker/1:2H23:15:211
369836995837,20cyclictest465443-21kworker/1:200:10:131
369840995741,13cyclictest1395319-1kworker/3:0H00:14:593
369836995741,15cyclictest465443-21kworker/1:200:06:251
369836995741,15cyclictest414870-21kworker/1:321:38:221
369836995741,15cyclictest414870-21kworker/1:321:38:211
369836995741,15cyclictest380219-21kworker/1:220:12:301
369836995740,16cyclictest431299-21kworker/1:222:47:261
369836995740,16cyclictest422988-21kworker/1:022:00:141
369836995740,16cyclictest364256-21kworker/1:119:10:151
369836995735,21cyclictest449758-21kworker/1:123:10:141
369840995642,11cyclictest1395319-1kworker/3:0H23:24:593
369836995640,15cyclictest473835-21kworker/1:000:35:011
369836995640,15cyclictest431299-21kworker/1:222:35:181
369836995640,15cyclictest422988-21kworker/1:021:50:171
369836995640,15cyclictest414870-21kworker/1:321:45:151
369836995640,15cyclictest396954-21kworker/1:020:30:151
369836995639,16cyclictest465443-21kworker/1:200:15:151
369836995639,16cyclictest380219-21kworker/1:219:40:241
369836995634,20cyclictest431299-21kworker/1:222:20:141
369836995551,2cyclictest0-21swapper/122:10:071
369836995539,15cyclictest442723-21kworker/1:022:55:061
369836995539,15cyclictest442723-21kworker/1:022:55:051
369836995539,15cyclictest380219-21kworker/1:220:25:211
369836995538,16cyclictest396954-21kworker/1:020:35:441
369835995551,3cyclictest459180-21kworker/0:000:11:550
369835995551,2cyclictest429425-21kworker/0:122:18:230
369837995437,13cyclictest99490-1kworker/2:2H23:10:152
369836995438,15cyclictest447797-21kworker/1:223:05:331
369836995438,15cyclictest396954-21kworker/1:020:42:351
369836995438,15cyclictest2197392-1kworker/1:2H19:49:491
369836995437,16cyclictest405059-21kworker/1:220:55:131
369836995435,17cyclictest396954-21kworker/1:020:45:161
369835995450,2cyclictest393523-21kworker/0:320:22:240
369835995450,2cyclictest375106-21kworker/0:219:31:240
369835995449,3cyclictest396956-21kworker/0:020:51:020
369835995349,2cyclictest473777-21kworker/0:100:30:320
369835995348,3cyclictest441303-21kworker/0:223:28:310
369835995347,4cyclictest1751615-1kworker/0:0H00:15:140
369840995248,2cyclictest1395319-1kworker/3:0H22:08:303
369837995241,9cyclictest99490-1kworker/2:2H00:15:002
369836995249,2cyclictest0-21swapper/119:54:501
369836995249,2cyclictest0-21swapper/119:54:491
369836995236,15cyclictest465443-21kworker/1:200:20:061
369836995236,15cyclictest380219-21kworker/1:220:15:151
369835995248,2cyclictest1751615-1kworker/0:0H23:20:060
369840995146,3cyclictest1395319-1kworker/3:0H23:26:203
369836995135,15cyclictest380219-21kworker/1:220:20:011
369835995148,2cyclictest429425-21kworker/0:122:45:260
369835995148,2cyclictest405060-21kworker/0:121:02:250
369835995145,3cyclictest1751615-1kworker/0:0H22:40:150
369840995047,2cyclictest384038-21kworker/3:020:04:563
369840995047,2cyclictest384038-21kworker/3:020:04:553
369840995047,2cyclictest366649-21kworker/3:119:25:223
369840995047,2cyclictest1395319-1kworker/3:0H22:57:303
369840995047,2cyclictest1395319-1kworker/3:0H22:57:303
369840995045,3cyclictest1395319-1kworker/3:0H23:56:353
369840995045,3cyclictest1395319-1kworker/3:0H23:41:503
369840995045,3cyclictest1395319-1kworker/3:0H22:41:513
369840995037,3cyclictest1395319-1kworker/3:0H22:34:543
369840995034,3cyclictest1395319-1kworker/3:0H21:30:143
369837995045,3cyclictest99490-1kworker/2:2H20:50:012
369835995047,2cyclictest431040-21kworker/0:022:14:500
369835995045,3cyclictest1751615-1kworker/0:0H21:40:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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