You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-18 - 08:55
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 rackeslot5.osadl.org (updated Mon May 18, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8073993128,2cyclictest9921-21cron22:39:591
807299300,1cyclictest307-21systemd-journal22:35:000
807999290,28cyclictest31383-21perf20:00:013
807999290,28cyclictest0-21swapper/323:35:123
807999290,28cyclictest0-21swapper/321:05:123
807599290,28cyclictest32188-21apt-get21:10:122
807599290,28cyclictest31400-21munin-run20:00:012
807599290,28cyclictest18404-21apt-get21:50:132
807599290,28cyclictest0-21swapper/221:05:132
8073992928,1cyclictest25474-21apt-get00:20:121
807399290,28cyclictest25193-21apt-get20:55:111
807399290,28cyclictest0-21swapper/122:25:121
807399290,28cyclictest0-21swapper/100:35:121
807299290,28cyclictest22223-21apt-get23:05:130
8079992827,1cyclictest0-21swapper/300:05:023
807999280,27cyclictest0-21swapper/321:50:123
807999280,0cyclictest0-21swapper/321:10:113
8075992826,1cyclictest11416-21apt-get21:35:132
807599280,0cyclictest0-21swapper/223:35:112
807599280,0cyclictest0-21swapper/222:50:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional