You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-19 - 18:54
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 Wed Aug 19, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1599829910789,18cyclictest0-21swapper/309:10:223
159982997739,19cyclictest511ktimers/310:45:203
159982997635,18cyclictest197439-21missed_timers08:15:203
159982997132,2cyclictest0-21swapper/312:01:493
159982997131,19cyclictest0-21swapper/311:16:163
159982997112,40cyclictest204541-21/usr/sbin/munin08:30:223
159982996929,19cyclictest0-21swapper/311:53:553
159982996911,39cyclictest191639-21modprobe08:05:163
15998299668,39cyclictest304751-21/usr/sbin/munin11:30:163
15998299645,59cyclictest187274-21taskset07:57:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional