You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-25 - 18:29
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 rackeslot6.osadl.org (updated Thu Dec 25, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3211786999285,5cyclictest3273022-21kworker/u8:2+events_unbound11:20:000
3211786998673,11cyclictest266-21systemd-journal09:20:200
3211786998472,9cyclictest266-21systemd-journal10:10:200
3211786997871,5cyclictest3262628-21kworker/u8:3+flush-179:010:39:590
3211786997869,7cyclictest3286215-21/usr/sbin/munin11:00:240
3211787997567,5cyclictest3282786-21latency_hist10:50:021
3211786997465,7cyclictest3276164-21apt-get10:30:010
3211786997246,8cyclictest3218042-21latency_hist07:30:010
3211786997061,7cyclictest3255448-21/usr/sbin/munin09:25:230
3211786997049,6cyclictest3306674-21latency_hist12:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional