You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-02 - 20:07
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 02, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
376815521120,1sleep00-21swapper/009:55:480
38150062960,2sleep30-21swapper/310:25:533
3552549992522,1cyclictest0-21swapper/209:20:012
3552547992520,1cyclictest37945802phc2sys-jitter10:10:550
3552547992516,2cyclictest0-21swapper/007:30:570
3552548992413,6cyclictest0-21swapper/110:40:521
3552547992421,2cyclictest1-21systemd11:10:010
3552547992416,7cyclictest3865969-21kthreadcore11:00:530
3552549992320,1cyclictest0-21swapper/212:20:012
3552548992320,2cyclictest3597486-21sh07:45:011
3552548992314,3cyclictest3734480-21kthreadcore09:30:541
3552548992313,3cyclictest0-21swapper/110:30:301
3552547992320,2cyclictest3811263-21apt10:25:000
3552547992312,7cyclictest3713612-21ls09:15:540
3552549992219,1cyclictest0-21swapper/210:40:012
3552548992219,2cyclictest664-21dbus-daemon09:50:011
3552548992219,2cyclictest664-21dbus-daemon09:50:011
3552548992219,2cyclictest3863284-21sendmail11:00:011
3552548992219,2cyclictest3640179-21/usr/sbin/munin08:20:021
3552548992212,3cyclictest0-21swapper/112:40:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional