You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-17 - 08:53
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.

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 rackeslot4.osadl.org (updated Fri Apr 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3522071993331,1cyclictest3478817-21kworker/0:2+pm20:59:240
3522081992723,2cyclictest0-21swapper/300:05:163
352208199272,21cyclictest3532447-21apt-get19:20:113
352207699271,22cyclictest3598279-21apt-get20:25:101
352208199262,22cyclictest3588170-21apt-get20:15:113
352208199261,21cyclictest3716275-21apt-get22:20:123
352207899262,21cyclictest3690530-21apt-get21:55:122
352207899261,21cyclictest3792439-21apt-get23:35:122
352207699262,20cyclictest3762018-21apt-get23:05:111
352207699261,21cyclictest3537522-21apt-get19:25:101
3522081992519,4cyclictest3757438-21sed23:00:163
352208199251,21cyclictest3675342-21tr21:40:163
352208199251,21cyclictest0-21swapper/320:45:143
352208199250,4cyclictest3833135-21cron00:15:003
352207899252,20cyclictest3797471-21apt-get23:40:132
3522078992521,2cyclictest3527366-21apt-get19:15:112
352207899251,20cyclictest3562834-21apt-get19:50:122
352207699252,21cyclictest3838494-21apt-get00:20:111
3522076992520,3cyclictest3833415-21apt-get00:15:121
3522076992520,3cyclictest3741685-21apt-get22:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional