You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-25 - 12:56
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 Sun Feb 25, 2024 00:50:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1443229964,31sleep10-21swapper/119:08:311
1434528844,39sleep60-21swapper/619:07:156
1431328752,30sleep30-21swapper/319:06:483
1442928348,30sleep70-21swapper/719:08:297
1435728045,30sleep00-21swapper/019:07:250
1442727945,29sleep50-21swapper/519:08:275
1436127843,30sleep40-21swapper/419:07:294
1435027843,30sleep20-21swapper/219:07:192
112452710,0sleep10-21swapper/123:31:151
220672560,0sleep40-21swapper/421:45:344
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional