You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-05 - 21:26
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional