You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 03:32
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 10 highest latencies:
System rackdslot1.osadl.org (updated Wed Apr 22, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491900,3ptp4l1317-21runrttasks21:18:310
134491900,3ptp4l1317-21runrttasks21:18:310
134491660,5ptp4l0-21swapper/021:35:220
134491660,3ptp4l29972-21apt-get20:10:112
134491650,4ptp4l10325-21ntp_states19:25:210
134491620,5ptp4l3701-21timerandwakeup20:20:260
134491610,4ptp4l0-21swapper/019:45:150
134491610,3ptp4l28435-21df_inode23:35:152
215099601,56cyclictest0-21swapper/319:43:493
134491590,24ptp4l25-21ksoftirqd/123:26:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional