You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-09 - 05:47
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.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri May 09, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151149020,0ktimers/0111491sleep19:09:070
1514720,0ktimers/0318531sleep23:33:220
112459940594,0cyclictest20768-21cron21:10:170
1124599405103,0cyclictest22325-21cron21:30:170
1124599403117,0cyclictest0-21swapper23:00:270
1124599400119,0cyclictest18843-21cron20:45:170
112459939932,0cyclictest0-21swapper19:20:310
1124599399112,0cyclictest0-21swapper00:35:240
1513970,0ktimers/0204221sleep21:05:230
1124599397122,0cyclictest296191chrt23:04:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional