You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-13 - 13:31
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 20 highest latencies:
System rackeslot3.osadl.org (updated Mon Jul 13, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
381420099661,64cyclictest0-21swapper/123:20:001
381420099630,51cyclictest0-21swapper/123:23:411
3814200996141,19cyclictest3846912-21kworker/1:221:15:151
3814200996138,22cyclictest3925818-21kworker/1:022:30:161
3814200996042,17cyclictest3934803-21kworker/1:322:43:421
3814200996042,17cyclictest3909353-21kworker/1:022:16:151
3814200996042,16cyclictest3833632-21kworker/1:120:15:151
3814200995944,14cyclictest3809635-21kworker/1:019:35:141
3814200995942,16cyclictest3809635-21kworker/1:019:15:011
3814200995925,33cyclictest3846912-21kworker/1:220:55:161
3814200995843,14cyclictest3995746-21kworker/1:000:24:481
3814200995843,14cyclictest3995746-21kworker/1:000:06:211
3814200995843,14cyclictest3948214-21kworker/1:322:56:461
3814200995843,14cyclictest3892335-21kworker/1:022:00:131
3814200995843,14cyclictest3877561-21kworker/1:021:40:161
3814200995843,14cyclictest3823186-21kworker/1:319:40:021
3814200995843,14cyclictest3652887-1kworker/1:0H22:10:271
3814200995842,15cyclictest3995746-21kworker/1:023:50:131
3814200995842,15cyclictest3995746-21kworker/1:000:15:021
3814200995842,15cyclictest3809635-21kworker/1:019:27:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional