You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-19 - 06:27
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
Characteristics of the 20 highest latencies:
System rackeslot2.osadl.org (updated Sat Jul 19, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252638021840,2sleep30-21swapper/322:50:493
23638532800,2sleep1649346-1atop21:20:011
26498432710,1sleep02649846-21unixbench_multi00:00:280
25010913418,14phc2sys0-21swapper/322:12:583
2198159993111,17cyclictest1761-21gdbus20:40:020
244872622718,3sleep30-21swapper/322:06:543
2198159992719,6cyclictest2261416-21systemd20:00:020
2198159992521,3cyclictest1695-21dbus-daemon22:40:010
25010912418,3phc2sys0-21swapper/322:55:223
25010912418,2phc2sys0-21swapper/321:56:403
25010912418,2phc2sys0-21swapper/321:53:243
25010912418,2phc2sys0-21swapper/321:43:463
25010912418,2phc2sys0-21swapper/321:24:543
25010912418,2phc2sys0-21swapper/321:15:203
25010912418,2phc2sys0-21swapper/321:14:523
25010912418,2phc2sys0-21swapper/320:52:443
25010912418,2phc2sys0-21swapper/319:46:403
25010912418,2phc2sys0-21swapper/319:36:543
25010912418,2phc2sys0-21swapper/319:36:543
25010912417,3phc2sys0-21swapper/323:55:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional