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2025-12-02 - 18:46
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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 Tue Dec 02, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2364523996562,2cyclictest0-21swapper/107:14:551
2364523996360,2cyclictest0-21swapper/110:20:421
2364523996343,18cyclictest2446793-21kworker/1:211:45:151
2364523996335,27cyclictest2380942-21kworker/1:107:59:551
2364523996335,27cyclictest2380942-21kworker/1:107:59:551
2364523996258,2cyclictest1756130-21systemd-journal08:40:011
2364523996240,20cyclictest2197392-1kworker/1:2H10:40:001
2364523996138,22cyclictest2197392-1kworker/1:2H12:10:161
2364523996044,15cyclictest2197392-1kworker/1:2H11:36:511
2364523996036,15cyclictest2197392-1kworker/1:2H12:08:541
2364523995944,14cyclictest2446793-21kworker/1:211:30:001
2364523995941,17cyclictest2376348-21kworker/1:007:50:161
2364523995843,14cyclictest2437160-21kworker/1:010:45:151
2364523995843,14cyclictest2396226-21kworker/1:209:20:141
2364523995842,15cyclictest2437160-21kworker/1:011:00:131
2364523995842,15cyclictest2396226-21kworker/1:208:50:151
2364523995841,16cyclictest2446793-21kworker/1:211:15:151
2364523995841,16cyclictest2419618-21kworker/1:110:05:011
2364523995840,16cyclictest2396226-21kworker/1:209:15:171
2364523995742,15cyclictest2385315-21kworker/1:008:20:001
2364523995742,14cyclictest2446793-21kworker/1:212:36:021
2364523995742,14cyclictest2446793-21kworker/1:212:26:061
2364523995742,14cyclictest2446793-21kworker/1:211:20:141
2364523995742,14cyclictest2419618-21kworker/1:110:05:151
2364523995742,14cyclictest2197392-1kworker/1:2H07:30:171
2364523995741,15cyclictest2437160-21kworker/1:011:13:261
2364523995740,16cyclictest2396226-21kworker/1:209:45:001
2364523995740,15cyclictest2437160-21kworker/1:011:05:151
2364523995739,17cyclictest2446793-21kworker/1:211:25:131
2364524995651,3cyclictest2414506-21kworker/2:110:54:542
2364523995641,14cyclictest2446793-21kworker/1:212:20:061
2364523995641,14cyclictest2446793-21kworker/1:211:41:021
2364523995641,14cyclictest2437160-21kworker/1:010:50:151
2364523995641,14cyclictest2396226-21kworker/1:209:10:181
2364523995641,14cyclictest2396226-21kworker/1:208:55:071
2364523995641,14cyclictest2385315-21kworker/1:008:40:001
2364523995641,14cyclictest2385315-21kworker/1:008:10:151
2364523995641,14cyclictest2383109-21kworker/1:208:05:011
2364523995641,14cyclictest2366029-21kworker/1:007:25:251
2364523995641,14cyclictest2366029-21kworker/1:007:15:141
2364523995640,15cyclictest2426310-21kworker/1:010:13:511
2364523995640,15cyclictest2385315-21kworker/1:008:28:241
2364523995635,20cyclictest2197392-1kworker/1:2H07:50:001
2364523995540,14cyclictest2446793-21kworker/1:211:50:111
2364523995540,14cyclictest2446793-21kworker/1:211:50:111
2364523995540,14cyclictest2419618-21kworker/1:109:55:411
2364523995540,14cyclictest2396226-21kworker/1:208:45:371
2364523995540,14cyclictest2385315-21kworker/1:008:20:131
2364523995539,15cyclictest2396226-21kworker/1:209:40:231
2364523995539,15cyclictest2396226-21kworker/1:209:05:001
2364523995538,16cyclictest2366029-21kworker/1:007:20:151
2364523995537,17cyclictest2428450-21kworker/1:210:30:141
2364524995450,2cyclictest2453041-21kworker/2:211:47:562
2364524995448,3cyclictest99490-1kworker/2:2H09:25:342
2364524995448,3cyclictest99490-1kworker/2:2H09:25:332
2364523995439,14cyclictest2437160-21kworker/1:010:55:161
2364523995439,14cyclictest2428450-21kworker/1:210:25:001
2364523995439,14cyclictest2396226-21kworker/1:209:35:161
2364523995439,14cyclictest2396226-21kworker/1:209:30:061
2364523995439,14cyclictest2396226-21kworker/1:209:30:061
2364523995439,14cyclictest2396226-21kworker/1:209:04:561
2364523995437,16cyclictest2426310-21kworker/1:010:15:151
236452399540,53cyclictest50-21kcompactd012:34:501
2364522995448,3cyclictest1751615-1kworker/0:0H08:40:150
2364527995349,2cyclictest2387961-21kworker/3:008:29:553
2364524995349,3cyclictest2414506-21kworker/2:110:57:552
2364523995350,2cyclictest0-21swapper/108:32:351
2364523995338,14cyclictest2446793-21kworker/1:212:15:231
2364523995338,14cyclictest2434988-21kworker/1:110:40:151
2364523995337,15cyclictest2446793-21kworker/1:212:01:271
2364523995337,15cyclictest2446793-21kworker/1:211:55:151
2364523995337,15cyclictest2380942-21kworker/1:108:00:121
2364523995337,15cyclictest2197392-1kworker/1:2H09:50:151
2364522995349,2cyclictest2394454-21kworker/0:109:16:080
2364522995348,3cyclictest2463031-21kworker/0:012:04:240
2364527995247,3cyclictest1395319-1kworker/3:0H10:06:253
2364524995248,2cyclictest2453041-21kworker/2:212:23:252
2364523995237,14cyclictest2373670-21kworker/1:107:40:011
2364523995236,15cyclictest2373670-21kworker/1:107:39:561
2364522995248,2cyclictest2371451-21kworker/0:207:35:170
2364527995147,2cyclictest1395319-1kworker/3:0H07:50:123
2364524995147,3cyclictest99490-1kworker/2:2H08:40:012
2364524995147,2cyclictest2453041-21kworker/2:212:29:552
2364524995147,2cyclictest2374782-21kworker/2:207:45:222
2364524995146,3cyclictest2414506-21kworker/2:110:36:252
2364523995148,2cyclictest0-21swapper/109:29:251
2364523995148,2cyclictest0-21swapper/109:29:241
2364522995148,2cyclictest1751615-1kworker/0:0H11:47:250
2364522995146,3cyclictest1751615-1kworker/0:0H07:20:150
2364527995046,2cyclictest1395319-1kworker/3:0H11:25:003
2364522995047,2cyclictest1751615-1kworker/0:0H10:20:420
2364522995046,3cyclictest2456301-21kworker/0:111:50:210
2364522995046,3cyclictest2456301-21kworker/0:111:50:210
2364524994945,2cyclictest2407687-21kworker/2:009:32:502
2364524994945,2cyclictest2407687-21kworker/2:009:32:492
2364524994945,2cyclictest2374782-21kworker/2:208:12:502
2364522994946,2cyclictest2433307-21kworker/0:010:46:310
2364522994945,3cyclictest2417952-21kworker/0:209:52:000
2364522994945,2cyclictest2412816-21kworker/0:109:56:190
2364527994840,5cyclictest1395319-1kworker/3:0H09:55:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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