You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-01 - 03:30
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.

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 rackeslot4.osadl.org (updated Fri May 01, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103728299311,20cyclictest261-21systemd-journal22:25:001
103729099301,20cyclictest261-21systemd-journal21:10:003
103729099300,2cyclictest1042307-21turbostat.cron19:15:003
103728299301,20cyclictest0-21swapper/120:15:011
103729099289,9cyclictest1216060-21turbostat22:09:553
103729099281,24cyclictest1318386-21apt-get23:45:133
103729099280,2cyclictest1339277-21chrt00:10:083
103728299281,20cyclictest1272453-21apt-get23:00:141
103728299281,19cyclictest1339274-21apt-get00:10:081
103728299280,19cyclictest0-21swapper/100:30:131
103728299280,19cyclictest0-21swapper/100:30:121
103729099270,19cyclictest1302952-21awk23:29:593
103729099260,1cyclictest1078187-21unin-run19:50:013
103728299263,21cyclictest0-21swapper/121:50:241
1037282992619,1cyclictest0-21swapper/123:41:081
103729099252,20cyclictest1303226-21apt-get23:30:123
103729099250,1cyclictest0-21swapper/320:35:103
103728599250,23cyclictest1273398-21kthreadcore23:00:172
1037282992519,1cyclictest0-21swapper/119:35:101
103728299251,21cyclictest1282961-21apt-get23:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional