You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-14 - 16:33
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 Nov 14, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1984107994034,4cyclictest2163717-21kworker/3:2+pm11:25:023
1984101993717,10cyclictest2288732-21ssh11:31:491
198410799312,21cyclictest2120021-21apt-get09:20:143
198410799312,21cyclictest2120021-21apt-get09:20:133
198410799301,21cyclictest2126300-21apt-get09:25:123
198410199301,2cyclictest0-21swapper/111:40:001
198410199300,29cyclictest0-21swapper/110:25:211
198410199291,2cyclictest0-21swapper/109:25:121
198410199291,27cyclictest2107128-21diskmemload09:50:341
198410199290,2cyclictest2212446-21ssh10:30:231
198410199290,28cyclictest2336545-21cut12:10:181
198410199290,28cyclictest2144106-21ssh09:37:531
198410199290,26cyclictest2347578-21chrt12:20:181
198410199281,25cyclictest2090878-21ntpq08:50:221
198410199281,1cyclictest0-21swapper/108:10:011
198410199280,27cyclictest0-21swapper/111:24:361
198410199280,27cyclictest0-21swapper/110:53:001
198410199280,21cyclictest2257983-21ssh11:09:141
1984107992723,3cyclictest2081452-21sh08:44:593
198410799271,22cyclictest2086901-21apt-get08:50:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional