You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-17 - 19:54
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 Tue Mar 17, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3206395998966,19cyclictest3301152-21df10:00:122
3206395998629,38cyclictest3206392-21cyclictest08:54:132
3206395997719,39cyclictest413-21systemd-journal10:15:002
3206395997516,39cyclictest3220894-21/usr/sbin/munin07:35:142
3206395997354,19cyclictest0-21swapper/210:05:162
3206395997336,18cyclictest3288296-21ntp_states09:35:202
320639599688,59cyclictest0-21swapper/212:35:412
320639599679,19cyclictest0-21swapper/211:36:502
3206395996324,19cyclictest0-21swapper/212:10:262
3206395996222,39cyclictest0-21swapper/212:02:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional