You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-10 - 01:00
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 Thu Apr 09, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20157129910224,58cyclictest2187762-21fschecks_time12:20:143
2015712999292,0cyclictest413-21systemd-journal10:20:003
2015712999112,59cyclictest2162103-21chrt11:34:243
2015712999012,59cyclictest3862161-21munin-node07:35:103
2015712997921,39cyclictest2087060-21kworker/u32:3+xprtiod09:46:003
201571299780,59cyclictest2172997-21taskset11:54:103
2015712997233,39cyclictest0-21swapper/309:44:063
2015712997031,39cyclictest0-21swapper/311:12:503
2015712997031,39cyclictest0-21swapper/310:23:503
2015712996829,39cyclictest0-21swapper/310:14:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional