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2026-07-23 - 06:04
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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 Thu Jul 23, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
881518997132,37cyclictest2165544-1kworker/1:1H21:05:001
88151899650,64cyclictest0-21swapper/119:58:051
88151899650,2cyclictest0-21swapper/120:28:291
881518996462,1cyclictest0-21swapper/120:48:061
88151899630,62cyclictest0-21swapper/120:21:011
881518996260,1cyclictest0-21swapper/121:26:351
881518996038,21cyclictest2165544-1kworker/1:1H20:35:001
881518995942,16cyclictest998031-21kworker/1:223:00:011
881518995942,15cyclictest2165544-1kworker/1:1H23:40:481
881518995941,16cyclictest998031-21kworker/1:222:55:141
881518995841,16cyclictest907711-21kworker/1:220:35:151
881518995754,2cyclictest0-21swapper/120:19:551
881518995742,14cyclictest1066631-21kworker/1:000:00:021
881518995742,14cyclictest1046835-21kworker/1:123:39:401
881518995742,14cyclictest1024034-21kworker/1:123:15:441
881518995741,15cyclictest938865-21kworker/1:321:50:261
881518995741,15cyclictest918369-21kworker/1:021:15:191
881518995741,15cyclictest918369-21kworker/1:021:10:141
881518995741,15cyclictest881643-21kworker/1:219:15:151
881518995740,16cyclictest938865-21kworker/1:321:35:151
881518995739,17cyclictest971428-21kworker/1:122:20:141
881518995739,17cyclictest952134-21kworker/1:221:45:161
881518995738,18cyclictest892037-21kworker/1:319:50:121
881518995736,20cyclictest913229-21kworker/1:220:50:181
881518995654,1cyclictest0-21swapper/122:01:301
881518995641,14cyclictest998031-21kworker/1:222:48:401
881518995641,14cyclictest935785-21kworker/1:021:30:061
881518995641,14cyclictest926119-21kworker/1:121:20:151
881518995641,14cyclictest895997-21kworker/1:120:10:141
881518995641,14cyclictest892037-21kworker/1:319:45:011
881518995641,14cyclictest890156-21kworker/1:219:39:581
881518995641,14cyclictest890156-21kworker/1:219:39:581
881518995641,14cyclictest884026-21kworker/1:319:22:281
881518995641,14cyclictest1092459-21kworker/1:000:25:121
881518995641,14cyclictest1081161-21kworker/1:000:10:001
881518995640,15cyclictest957849-21kworker/1:022:10:321
881518995640,15cyclictest938865-21kworker/1:321:40:151
881518995640,15cyclictest2165544-1kworker/1:1H23:30:061
881518995640,15cyclictest1046835-21kworker/1:123:45:251
881518995640,15cyclictest1024034-21kworker/1:123:10:141
881518995639,16cyclictest895997-21kworker/1:120:05:141
881518995638,17cyclictest895997-21kworker/1:120:00:141
881518995540,14cyclictest976381-21kworker/1:222:15:331
881518995540,14cyclictest957849-21kworker/1:022:05:311
881518995540,14cyclictest1102014-21kworker/1:000:38:461
881518995540,14cyclictest1088441-21kworker/1:300:30:151
881518995540,14cyclictest1071498-21kworker/1:100:19:241
881518995540,14cyclictest1071498-21kworker/1:100:05:001
881518995540,14cyclictest1002866-21kworker/1:022:44:421
881518995538,16cyclictest884026-21kworker/1:319:25:151
881518995439,14cyclictest957849-21kworker/1:021:55:151
881518995439,14cyclictest905501-21kworker/1:020:40:141
881518995439,14cyclictest884026-21kworker/1:319:30:011
881518995439,14cyclictest1024034-21kworker/1:123:06:111
88151899540,2cyclictest1072347-21cron00:00:011
881524995349,3cyclictest493060-1kworker/3:0H00:19:553
881524995348,3cyclictest493060-1kworker/3:0H00:37:023
881519995348,3cyclictest1028207-21kworker/2:223:25:402
881518995338,14cyclictest994429-21kworker/1:122:39:401
881518995337,15cyclictest998031-21kworker/1:222:54:111
881518995337,15cyclictest998031-21kworker/1:222:54:111
881518995337,15cyclictest913229-21kworker/1:220:55:141
881518995337,15cyclictest878543-21kworker/1:119:11:551
881518995336,16cyclictest1024034-21kworker/1:123:20:061
881524995248,3cyclictest493060-1kworker/3:0H20:52:553
881524995247,3cyclictest493060-1kworker/3:0H19:49:563
881519995247,4cyclictest3592471-1kworker/2:0H20:46:302
881519995247,3cyclictest915022-21kworker/2:021:03:002
881518995248,2cyclictest0-21swapper/123:50:051
881518995237,14cyclictest990942-21kworker/1:022:30:361
881518995236,15cyclictest986071-21kworker/1:222:25:011
881516995249,2cyclictest985452-21kworker/0:223:27:100
881524995146,3cyclictest493060-1kworker/3:0H20:48:553
881519995148,2cyclictest925860-21kworker/2:021:27:342
881519995148,2cyclictest1042805-21kworker/2:023:36:012
881519995147,3cyclictest3592471-1kworker/2:0H23:50:402
881519995147,2cyclictest888045-21kworker/2:219:38:302
881519995147,2cyclictest888045-21kworker/2:219:38:302
881519995146,3cyclictest3592471-1kworker/2:0H22:10:382
881518995136,14cyclictest892037-21kworker/1:319:40:141
88151899510,49cyclictest1093240-21cron00:25:011
88151899510,49cyclictest1093240-21cron00:25:001
881516995145,4cyclictest2207670-1kworker/0:1H00:01:490
881516995144,4cyclictest2207670-1kworker/0:1H19:50:130
881524995046,2cyclictest493060-1kworker/3:0H19:40:153
881524995045,3cyclictest493060-1kworker/3:0H00:30:133
881519995046,3cyclictest3592471-1kworker/2:0H22:25:212
881519995045,3cyclictest903971-21kworker/2:220:39:302
881519995045,3cyclictest3592471-1kworker/2:0H22:16:302
881518995035,14cyclictest918369-21kworker/1:021:05:201
881518995035,14cyclictest1037530-21kworker/1:223:25:171
881516995046,2cyclictest891115-21kworker/0:119:45:060
881516995045,3cyclictest2207670-1kworker/0:1H21:34:490
881516995043,4cyclictest2207670-1kworker/0:1H23:05:430
881524994945,2cyclictest960524-21kworker/3:122:11:303
881519994946,2cyclictest918121-21kworker/2:221:06:072
881519994944,3cyclictest3592471-1kworker/2:0H00:25:122
881516994946,2cyclictest899092-21kworker/0:020:36:120
881516994946,2cyclictest1087116-21kworker/0:100:31:340
881524994845,2cyclictest493060-1kworker/3:0H20:29:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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