You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 15:04
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot3.osadl.org (updated Wed Sep 17, 2025 12:50:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101072920,0sleep50-21swapper/510:20:195
1466629078,6sleep50-21swapper/507:05:235
1568728450,29sleep70-21swapper/707:09:507
1559428247,30sleep30-21swapper/307:08:343
1558228247,30sleep00-21swapper/007:08:220
1562228146,30sleep20-21swapper/207:08:572
1560828146,30sleep60-21swapper/607:08:456
1540128148,29sleep40-21swapper/407:05:454
1523927641,29sleep10-21swapper/107:05:271
264582670,1sleep31613599cyclictest10:12:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional