You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-02 - 15:04
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 rackbslot7.osadl.org (updated Sat May 02, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16809991124,32cyclictest16734-21ntp_kernel_pll_11:32:290
16809991124,32cyclictest16734-21ntp_kernel_pll_11:32:290
16809991113,34cyclictest1561-21apt-get12:02:100
168299911066,37cyclictest544-21cron08:56:592
168299911066,37cyclictest544-21cron08:56:592
168099910949,12cyclictest23899-21runrttasks10:50:210
16809991094,49cyclictest3600-21/usr/sbin/munin09:22:290
16809991094,33cyclictest27482-21idleruntime-cro10:56:590
168219910451,46cyclictest13742-21sh10:32:331
16829991004,77cyclictest32195-21apt-get07:47:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional