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2026-08-17 - 18:48
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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 Mon Aug 17, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3661687996257,3cyclictest0-21swapper/108:37:561
366168799621,4cyclictest954417-21systemd-journal09:00:011
3661687996145,15cyclictest3767485-21kworker/1:110:35:151
3661687996143,17cyclictest3701803-21kworker/1:009:15:131
3661687996140,19cyclictest3767485-21kworker/1:110:25:141
3661687996044,15cyclictest3835199-21kworker/1:012:10:061
3661687996044,15cyclictest3835199-21kworker/1:011:55:121
3661687996044,15cyclictest3688342-21kworker/1:109:00:211
3661687996044,15cyclictest3678164-21kworker/1:008:02:581
3661687996044,15cyclictest3657349-21kworker/1:107:11:581
3661687996043,16cyclictest3825351-21kworker/1:211:35:531
3661687996043,16cyclictest3794671-21kworker/1:310:56:221
3661687996043,16cyclictest3719392-21kworker/1:109:35:151
3661687996043,16cyclictest3719392-21kworker/1:109:35:141
3661687996043,15cyclictest1573611-1kworker/1:1H07:45:151
3661687996042,17cyclictest3743390-21kworker/1:110:10:281
3661687996042,16cyclictest3724216-21kworker/1:209:55:161
3661687996041,18cyclictest3685261-21kworker/1:008:27:281
3661687996040,18cyclictest3743390-21kworker/1:110:07:231
3661687996038,19cyclictest3672899-21kworker/1:107:50:151
3661687996032,27cyclictest3675119-21kworker/1:207:55:151
3661687995943,15cyclictest3882424-21kworker/1:212:30:161
3661687995943,15cyclictest3871585-21kworker/1:112:25:151
3661687995943,15cyclictest3871585-21kworker/1:112:20:171
3661687995943,15cyclictest3836354-21kworker/1:311:40:141
3661687995943,15cyclictest3835199-21kworker/1:012:00:581
3661687995943,15cyclictest3835199-21kworker/1:011:45:171
3661687995943,15cyclictest3778633-21kworker/1:010:40:021
3661687995943,15cyclictest3762703-21kworker/1:010:24:571
3661687995943,15cyclictest3743390-21kworker/1:110:00:151
3661687995943,15cyclictest3708833-21kworker/1:309:25:151
3661687995943,15cyclictest3688342-21kworker/1:109:05:131
3661687995943,15cyclictest3686804-21kworker/1:208:30:061
3661687995943,15cyclictest3670679-21kworker/1:007:36:291
3661687995943,15cyclictest3668915-21kworker/1:307:40:581
3661687995942,16cyclictest3835199-21kworker/1:011:51:051
3661687995942,16cyclictest3820493-21kworker/1:011:25:521
3661687995942,16cyclictest3810574-21kworker/1:111:11:571
3661687995942,16cyclictest3778633-21kworker/1:011:00:141
3661687995942,16cyclictest3767485-21kworker/1:110:33:571
3661687995942,16cyclictest3688342-21kworker/1:109:14:231
3661687995942,16cyclictest3672899-21kworker/1:108:15:011
3661687995942,16cyclictest3672899-21kworker/1:108:13:301
3661687995942,16cyclictest3663104-21kworker/1:207:24:521
3661687995941,17cyclictest3724216-21kworker/1:209:54:571
3661687995939,19cyclictest3663104-21kworker/1:207:25:141
3661687995938,20cyclictest3778633-21kworker/1:010:45:171
3661687995842,15cyclictest3825351-21kworker/1:211:34:571
3661687995842,15cyclictest3805714-21kworker/1:211:10:001
3661687995842,15cyclictest3701803-21kworker/1:009:30:151
3661687995842,15cyclictest3701803-21kworker/1:009:30:141
3661687995842,15cyclictest3672899-21kworker/1:108:20:151
3661687995842,15cyclictest3672899-21kworker/1:108:20:151
3661687995841,16cyclictest3810574-21kworker/1:111:20:521
3661687995841,16cyclictest3657349-21kworker/1:107:15:141
3661687995840,17cyclictest3856800-21kworker/1:212:05:011
3661687995840,17cyclictest3743390-21kworker/1:110:15:141
3661687995840,17cyclictest3724216-21kworker/1:209:40:181
3661687995840,17cyclictest3724216-21kworker/1:209:40:171
3661687995840,17cyclictest3688342-21kworker/1:108:50:161
3661687995840,17cyclictest3663104-21kworker/1:207:31:581
3661687995840,16cyclictest3871585-21kworker/1:112:20:001
3661687995838,18cyclictest3724216-21kworker/1:209:45:011
3661687995740,16cyclictest3810574-21kworker/1:111:19:581
3661687995740,16cyclictest3810574-21kworker/1:111:19:571
3661687995740,16cyclictest3708833-21kworker/1:309:23:231
3661687995738,17cyclictest3882424-21kworker/1:212:36:041
3661687995639,16cyclictest3788155-21kworker/1:110:50:011
3661687995538,16cyclictest3688342-21kworker/1:108:45:011
3661687995535,18cyclictest1573611-1kworker/1:1H08:40:161
3661685995550,3cyclictest2318914-1kworker/0:1H10:05:280
3661689995347,4cyclictest3824426-21kworker/3:111:45:433
3661689995346,4cyclictest2713781-1kworker/3:1H10:15:133
3661689995246,4cyclictest2713781-1kworker/3:1H07:45:073
3661689995246,3cyclictest2713781-1kworker/3:1H08:20:153
3661689995246,3cyclictest2713781-1kworker/3:1H08:20:143
3661688995245,4cyclictest3685223-1kworker/2:2H07:45:142
3661689995147,3cyclictest3824426-21kworker/3:111:31:113
3661689995146,3cyclictest3753276-21kworker/3:010:59:553
3661689995144,4cyclictest2713781-1kworker/3:1H10:40:153
3661688995147,3cyclictest3685223-1kworker/2:2H11:17:342
3661688995147,3cyclictest3685223-1kworker/2:2H11:17:332
3661688995147,3cyclictest3685223-1kworker/2:2H08:30:582
3661688995145,4cyclictest3685223-1kworker/2:2H10:24:582
3661688995145,4cyclictest3685223-1kworker/2:2H09:06:582
3661687995133,16cyclictest3672899-21kworker/1:108:05:581
3661689995046,3cyclictest2713781-1kworker/3:1H07:21:013
3661689995045,3cyclictest3726784-21kworker/3:209:58:293
3661689995045,3cyclictest2713781-1kworker/3:1H08:43:583
3661689995045,3cyclictest2713781-1kworker/3:1H07:59:553
3661689995044,4cyclictest2713781-1kworker/3:1H10:52:583
3661689995044,4cyclictest2713781-1kworker/3:1H10:35:323
3661689995044,4cyclictest2713781-1kworker/3:1H09:17:343
3661689995044,4cyclictest2713781-1kworker/3:1H07:13:233
3661688995045,3cyclictest3685223-1kworker/2:2H09:00:062
3661688995044,3cyclictest3685223-1kworker/2:2H12:25:152
3661685995045,3cyclictest3689888-21kworker/0:009:21:050
3661689994944,3cyclictest2713781-1kworker/3:1H07:30:253
3661689994943,4cyclictest2713781-1kworker/3:1H11:29:593
3661688994943,4cyclictest3685223-1kworker/2:2H10:04:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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