You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-04 - 23:07
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 Tue Aug 04, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2841021740,3sleep12577199cyclictest09:35:131
3267821520,5sleep22577299cyclictest10:50:242
2494321420,6sleep02577099cyclictest08:15:280
134491700,4ptp4l11788-21ntp_states12:25:232
134491670,3ptp4l0-21swapper/212:35:592
134491640,4ptp4l5426-21users12:10:282
2577399628,8cyclictest0-21swapper/310:25:223
2577399627,7cyclictest0-21swapper/311:10:233
134491610,3ptp4l10018-21df_inode08:55:162
2577399609,7cyclictest0-21swapper/310:30:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional