You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-06 - 21:04
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 Mon Apr 06, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25724679910549,18cyclictest511ktimers/311:20:153
2572466998426,58cyclictest2665045-21sendmail_mailst09:55:222
2572466998426,58cyclictest2665045-21sendmail_mailst09:55:222
2572466997617,39cyclictest2598815-21ntpq07:55:182
2572466997315,39cyclictest2703622-21ld11:05:202
2572464997354,19cyclictest171ktimers/011:00:150
2572466997133,38cyclictest0-21swapper/208:38:402
2572466997112,39cyclictest2575051-21taskset07:14:522
2572466997032,38cyclictest0-21swapper/209:26:242
2572468996911,19cyclictest0-21swapper/411:30:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional