You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-18 - 11:53
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 Mon May 18, 2026 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25176599138125,10cyclictest345091-40logrotate00:00:010
25176599114105,6cyclictest327086-21apt-get23:05:030
2517689910395,6cyclictest290434-21kworker/u8:2+events_unbound21:10:241
2517659910394,7cyclictest332120-21latency_hist23:20:010
2517659910394,7cyclictest332120-21latency_hist23:20:010
251768999988,8cyclictest298357-21latency_hist21:35:011
251768999984,12cyclictest1213033-21systemd-journal22:00:001
251765999783,12cyclictest348618-21apt-get00:10:000
251768999484,8cyclictest298593-21/usr/sbin/munin21:35:251
251768999386,5cyclictest306367-21kworker/u8:2+events_unbound22:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional