You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-23 - 10:59
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 20 highest latencies:
System rack9slot2.osadl.org (updated Thu Apr 23, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133812300263,25sleep00-21swapper/00
1361799284276,5cyclictest18266-21sendmail3
121052244196,16sleep30-21swapper/33
132862238180,45sleep10-21swapper/11
131142234197,24sleep20-21swapper/22
1360699197191,3cyclictest325-21systemd-journal0
1361499174167,4cyclictest18265-21perf2
1461521450,1sleep30-21swapper/33
931021410,4sleep31361799cyclictest3
1361099136130,3cyclictest512-21dbus-daemon1
240362590,3sleep10-21swapper/11
146792560,1sleep10-21swapper/11
319522470,2sleep20-21swapper/22
24342470,1sleep20-21swapper/22
15152330,1sleep00-21swapper/00
1361799313,8cyclictest31493-21apt-get3
58012270,2sleep00-21swapper/00
13617992419,3cyclictest30550-21/usr/sbin/munin3
13606992419,3cyclictest9-21ksoftirqd/00
1361499234,17cyclictest17692-21awk2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional