You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-11 - 02:47
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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack3slot7.osadl.org (updated Sat Apr 11, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/029001-21kworker/0:218:57:410
318579815413cyclictest3599-21aten2.4-expect22:42:530
318579815012cyclictest27931-21needreboot00:02:430
318579814914cyclictest20186-21nfs_client20:07:390
318579814911cyclictest31851-21munin-node21:47:200
318579814813cyclictest1071-21munin-node00:22:230
318579814812cyclictest31242-21timerandwakeup22:27:510
318579814811cyclictest23010-21swap20:17:290
318579814715cyclictest13678-21df23:17:280
318579814713cyclictest3019-21runrttasks23:32:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional