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2026-03-26 - 19:18
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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 Thu Mar 26, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071352996462,1cyclictest0-21swapper/110:57:271
207135299640,63cyclictest0-21swapper/112:30:281
2071352996342,19cyclictest2115083-21kworker/1:009:25:121
207135299630,62cyclictest0-21swapper/108:20:161
2071352996260,1cyclictest0-21swapper/109:31:041
2071352996260,1cyclictest0-21swapper/108:42:491
2071352996259,2cyclictest0-21swapper/111:53:501
2071352996245,16cyclictest2139092-21kworker/1:209:50:171
2071352996242,18cyclictest2205081-21kworker/1:111:15:131
207135299620,1cyclictest0-21swapper/111:05:471
207135299620,1cyclictest0-21swapper/107:34:551
2071352996159,1cyclictest0-21swapper/112:24:261
207135299610,60cyclictest0-21swapper/108:29:141
2071352996058,1cyclictest0-21swapper/112:07:161
2071352996058,1cyclictest0-21swapper/111:01:061
2071352996042,16cyclictest2129448-21kworker/1:109:35:121
2071352996041,17cyclictest2092118-21kworker/1:208:15:141
2071352995956,2cyclictest0-21swapper/110:30:371
2071352995944,14cyclictest2265846-21kworker/1:012:25:141
2071352995944,14cyclictest2173186-21kworker/1:310:37:221
2071352995943,15cyclictest2164115-21kworker/1:110:21:511
2071352995942,16cyclictest2139092-21kworker/1:210:00:131
2071352995856,1cyclictest0-21swapper/112:00:051
2071352995842,15cyclictest2270823-21kworker/1:112:35:021
2071352995841,16cyclictest2151658-21kworker/1:110:05:131
2071352995743,14cyclictest2226883-21kworker/1:011:45:421
2071352995743,14cyclictest2105789-21kworker/1:009:00:231
2071352995742,14cyclictest2097260-21kworker/1:208:35:191
2071352995742,14cyclictest2076428-21kworker/1:307:25:291
2071352995741,16cyclictest2182583-21kworker/1:210:45:001
2071352995741,15cyclictest2103831-21kworker/1:308:55:131
2071352995741,15cyclictest2090579-21kworker/1:108:10:131
2071352995741,15cyclictest2087227-21kworker/1:008:05:201
2071352995741,15cyclictest2080974-21kworker/1:107:50:141
2071352995739,17cyclictest2080974-21kworker/1:107:55:131
2071352995654,1cyclictest0-21swapper/107:19:431
2071352995641,14cyclictest2221892-21kworker/1:111:35:131
2071352995641,14cyclictest2182583-21kworker/1:210:50:221
2071352995641,14cyclictest2182583-21kworker/1:210:46:091
2071352995641,14cyclictest2080974-21kworker/1:107:45:031
2071352995641,14cyclictest2071177-21kworker/1:207:10:131
2071352995640,15cyclictest2097260-21kworker/1:208:45:131
2071352995640,15cyclictest1401756-1kworker/1:1H08:30:141
2071352995639,16cyclictest2164115-21kworker/1:110:25:141
2071352995639,16cyclictest2155812-21kworker/1:210:10:131
2071352995635,20cyclictest1401756-1kworker/1:1H08:50:141
2071352995553,1cyclictest0-21swapper/111:56:521
2071352995541,14cyclictest2129448-21kworker/1:109:40:171
2071352995538,16cyclictest2109358-21kworker/1:209:10:131
2071352995537,17cyclictest2139092-21kworker/1:209:55:151
2071352995536,17cyclictest1401756-1kworker/1:1H09:23:261
2071355995449,3cyclictest2237186-21kworker/3:211:58:513
2071355995449,3cyclictest2133149-21kworker/3:010:13:293
2071352995439,14cyclictest2105789-21kworker/1:009:05:061
2071352995439,14cyclictest2080974-21kworker/1:107:40:131
2071352995436,16cyclictest2109358-21kworker/1:209:15:151
2071352995338,14cyclictest2205081-21kworker/1:111:20:391
2071352995337,15cyclictest2076428-21kworker/1:307:35:041
2071352995336,16cyclictest2159954-21kworker/1:010:15:221
2071348995349,2cyclictest3115968-1kworker/0:0H12:15:130
2071352995237,14cyclictest2239662-21kworker/1:212:15:331
2071352995237,14cyclictest2134925-21kworker/1:009:48:231
2071352995237,14cyclictest2074800-21kworker/1:107:20:131
2071355995148,2cyclictest2237186-21kworker/3:212:25:463
2071355995146,3cyclictest3728265-1kworker/3:2H09:48:163
2071355995146,3cyclictest2176769-21kworker/3:010:45:333
2071352995136,14cyclictest2226883-21kworker/1:011:40:131
207135299510,50cyclictest2222842-21sshd11:30:411
207135299510,1cyclictest0-21swapper/111:13:501
2071348995147,2cyclictest2208838-21kworker/0:311:37:210
2071348995147,2cyclictest2208838-21kworker/0:311:28:210
2071348995146,3cyclictest3115968-1kworker/0:0H07:40:060
2071348995146,3cyclictest3115968-1kworker/0:0H07:33:250
2071354995045,3cyclictest3471580-1kworker/2:1H11:52:212
2071354995045,3cyclictest2183892-21kworker/2:210:56:132
2071352995035,14cyclictest2239662-21kworker/1:212:10:001
2071348995047,2cyclictest2266947-21kworker/0:112:30:050
2071348995046,3cyclictest3115968-1kworker/0:0H09:35:370
2071348995046,2cyclictest2107819-21kworker/0:109:08:160
2071355994946,2cyclictest2198557-21kworker/3:211:15:383
2071355994944,3cyclictest3728265-1kworker/3:2H08:35:013
2071354994943,4cyclictest3471580-1kworker/2:1H07:20:002
2071354994943,3cyclictest3471580-1kworker/2:1H10:25:292
2071352994934,14cyclictest2215005-21kworker/1:011:25:401
2071352994921,26cyclictest1401756-1kworker/1:1H08:05:001
2071348994946,2cyclictest2240240-21kworker/0:012:21:560
2071348994945,3cyclictest2188667-21kworker/0:210:57:160
2071348994944,3cyclictest3115968-1kworker/0:0H12:05:130
2071355994845,2cyclictest2090627-21kworker/3:108:24:553
2071355994843,3cyclictest3728265-1kworker/3:2H11:30:453
2071355994843,3cyclictest3728265-1kworker/3:2H10:05:133
2071354994843,3cyclictest3471580-1kworker/2:1H11:59:222
2071348994845,2cyclictest2090582-21kworker/0:208:13:150
2071348994843,3cyclictest3115968-1kworker/0:0H10:15:140
2071355994744,2cyclictest2050477-21kworker/3:207:11:213
2071355994741,4cyclictest2079504-21kworker/3:107:50:003
2071354994744,2cyclictest3471580-1kworker/2:1H10:00:512
2071354994743,3cyclictest3471580-1kworker/2:1H12:03:512
2071354994742,3cyclictest3471580-1kworker/2:1H09:05:132
2071354994742,3cyclictest3471580-1kworker/2:1H08:46:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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