You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-09 - 11:46
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
Characteristics of the 20 highest latencies:
System rackeslot2.osadl.org (updated Sun Aug 09, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2539228993321,7cyclictest759-1atopacctd22:05:040
2539233992926,2cyclictest0-21swapper/121:00:011
2539228992724,2cyclictest664-21dbus-daemon21:55:010
2539228992711,6cyclictest0-21swapper/023:25:350
2539228992521,3cyclictest2772880-21tail22:05:360
2539228992521,3cyclictest2772880-21tail22:05:360
2539228992514,5cyclictest759-1atopacctd00:20:370
2539228992512,6cyclictest0-21swapper/021:50:020
2539228992511,5cyclictest2726236-21if_eno121:35:350
2539228992511,5cyclictest2548363-21cstates19:15:310
2539228992420,3cyclictest2681485-21apt-get21:05:000
2539228992411,5cyclictest0-21swapper/022:35:010
2539233992321,1cyclictest2843679-21ssh22:55:021
2539228992314,5cyclictest2953440-21runrttasks00:07:270
253922899229,6cyclictest0-21swapper/023:00:340
253922899229,5cyclictest2988058-21kthreadcore00:30:370
2539228992213,5cyclictest0-21swapper/021:10:010
253922899221,16cyclictest2657181-21/usr/sbin/munin20:45:340
2539228992211,6cyclictest0-21swapper/022:25:290
1157598220,3rtkit-daemon1300-21mta-sts-daemon19:30:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional