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2025-07-06 - 03:30
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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 Sat Jul 05, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50788997543,30cyclictest140142-21kworker/1:211:45:011
5078899730,72cyclictest0-21swapper/109:05:011
50788997240,30cyclictest68016-21kworker/1:108:30:011
50788997141,29cyclictest140142-21kworker/1:212:15:151
50788996835,31cyclictest140142-21kworker/1:211:45:181
50788996737,29cyclictest151730-21kworker/1:112:25:141
50788996736,30cyclictest49127-21kworker/1:207:25:001
50788996642,23cyclictest68016-21kworker/1:108:20:001
50788996640,24cyclictest49127-21kworker/1:207:30:161
50788996639,26cyclictest3011280-1kworker/1:2H07:15:001
50788996637,28cyclictest128781-21kworker/1:111:20:141
50788996635,30cyclictest116377-21kworker/1:310:35:001
50788996541,23cyclictest116377-21kworker/1:310:50:161
50788996433,29cyclictest116377-21kworker/1:310:40:161
5078899640,2cyclictest0-21swapper/109:20:221
5078899640,1cyclictest0-21swapper/111:51:271
5078899640,1cyclictest0-21swapper/110:55:261
50788996333,29cyclictest151730-21kworker/1:112:35:191
5078899631,3cyclictest384844-21systemd-journal07:19:591
50788996145,15cyclictest116377-21kworker/1:311:00:171
50788996142,18cyclictest92037-21kworker/1:109:30:161
50788996138,22cyclictest92037-21kworker/1:109:55:171
50788996057,2cyclictest0-21swapper/111:07:261
50788996057,2cyclictest0-21swapper/110:06:521
50788996044,15cyclictest92037-21kworker/1:109:35:171
50788996043,15cyclictest3011280-1kworker/1:2H07:45:151
50788996042,17cyclictest140142-21kworker/1:211:55:141
50788996042,16cyclictest140142-21kworker/1:212:10:141
5078899600,58cyclictest0-21swapper/110:25:131
50788995943,15cyclictest116377-21kworker/1:310:45:011
50788995842,15cyclictest110432-21kworker/1:210:19:561
50788995841,16cyclictest92037-21kworker/1:109:50:171
50788995841,16cyclictest68016-21kworker/1:108:50:171
50788995841,16cyclictest68016-21kworker/1:108:14:281
50788995841,16cyclictest3011280-1kworker/1:2H09:05:171
50788995841,16cyclictest3011280-1kworker/1:2H07:39:161
50788995837,19cyclictest92037-21kworker/1:110:10:161
50788995828,29cyclictest89350-21kworker/1:009:10:151
50788995755,1cyclictest0-21swapper/109:40:511
50788995741,15cyclictest92037-21kworker/1:110:03:581
50788995741,15cyclictest92037-21kworker/1:109:15:431
50788995739,17cyclictest151730-21kworker/1:112:30:181
50788995738,18cyclictest116377-21kworker/1:310:35:161
50788995738,17cyclictest68016-21kworker/1:108:35:161
50788995737,18cyclictest68016-21kworker/1:108:45:151
50788995736,20cyclictest64168-21kworker/1:007:50:211
50788995734,21cyclictest140142-21kworker/1:212:10:001
5078899570,52cyclictest0-21swapper/111:10:331
50788995640,15cyclictest3011280-1kworker/1:2H07:59:511
50788995640,15cyclictest151730-21kworker/1:112:20:181
50788995640,15cyclictest128781-21kworker/1:111:30:161
50788995640,15cyclictest128781-21kworker/1:111:20:011
50788995640,15cyclictest128781-21kworker/1:111:20:001
50788995639,16cyclictest128781-21kworker/1:111:35:281
50793995549,4cyclictest3359109-1kworker/3:0H09:45:173
50788995539,15cyclictest68016-21kworker/1:108:20:421
50788995539,15cyclictest68016-21kworker/1:108:05:241
50788995539,15cyclictest49127-21kworker/1:207:28:581
50788995537,17cyclictest68016-21kworker/1:108:55:131
50788995536,17cyclictest128781-21kworker/1:111:25:151
50788995534,20cyclictest140142-21kworker/1:212:00:171
5078899551,51cyclictest0-21swapper/108:25:181
5078899550,52cyclictest332-21jbd2/mmcblk0p2-08:04:271
50788995438,15cyclictest92037-21kworker/1:109:45:061
50788995438,15cyclictest92037-21kworker/1:109:25:171
50788995438,15cyclictest68016-21kworker/1:108:42:581
50793995348,3cyclictest123064-21kworker/3:010:55:553
50788995337,15cyclictest60959-21kworker/1:107:40:171
50788995333,18cyclictest113066-21kworker/1:010:20:161
50787995348,3cyclictest3103946-1kworker/0:1H09:20:000
50787995348,3cyclictest104959-21kworker/0:010:00:310
50793995148,2cyclictest90369-21kworker/3:209:27:273
50793995147,2cyclictest85493-21kworker/3:208:55:213
50793995145,3cyclictest3359109-1kworker/3:0H10:00:163
50787995147,2cyclictest75522-21kworker/0:108:25:330
50787995146,3cyclictest113128-21kworker/0:310:30:050
50787995145,4cyclictest57662-21kworker/0:207:37:260
50787995136,5cyclictest3103946-1kworker/0:1H07:40:160
50793995047,2cyclictest87113-21kworker/3:109:04:263
50793995044,3cyclictest3359109-1kworker/3:0H07:15:153
50787995045,3cyclictest147646-21kworker/0:012:25:270
50787995044,4cyclictest3103946-1kworker/0:1H09:25:180
50793994944,3cyclictest3359109-1kworker/3:0H11:05:503
50787994946,2cyclictest70655-21kworker/0:108:10:330
50787994944,4cyclictest109836-21kworker/0:210:21:170
50787994944,3cyclictest85496-21kworker/0:009:00:270
50787994944,3cyclictest57662-21kworker/0:208:45:370
50787994944,3cyclictest57662-21kworker/0:207:45:070
50787994944,3cyclictest119806-21kworker/0:110:38:570
50787994944,3cyclictest111452-21kworker/0:110:13:260
50787994944,3cyclictest104959-21kworker/0:009:57:520
50787994943,4cyclictest134673-21kworker/0:211:56:030
50793994845,2cyclictest144397-21kworker/3:212:00:243
50793994843,3cyclictest59275-21kworker/3:108:25:293
50791994844,3cyclictest824389-1kworker/2:0H12:04:542
50791994843,3cyclictest824389-1kworker/2:0H11:35:002
50791994843,3cyclictest824389-1kworker/2:0H09:18:522
50791994843,3cyclictest824389-1kworker/2:0H07:17:312
50787994844,2cyclictest57662-21kworker/0:208:05:380
50787994843,3cyclictest98476-21kworker/0:209:47:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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