You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-09 - 13:43
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 rackfslot7.osadl.org (updated Tue Jun 09, 2026 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
374403099870,0cyclictest0-21swapper/722:45:127
374403099870,0cyclictest0-21swapper/722:45:117
3744027997636,19cyclictest3860450-21ntpq22:40:194
3744026997353,1cyclictest511ktimers/321:40:163
3744027997133,18cyclictest0-21swapper/419:10:434
374402699710,2cyclictest0-21swapper/300:00:003
3744029997010,59cyclictest0-21swapper/622:55:156
3744027997032,19cyclictest3868321-21hddtemp_smartct22:55:144
3744027996950,19cyclictest1086-21runrttasks22:13:074
374402699680,1cyclictest0-21swapper/322:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional