You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-18 - 23:02
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 rackbslot1.osadl.org (updated Thu Dec 18, 2025 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14008682214159,13sleep20-21swapper/207:07:462
14009992210159,41sleep10-21swapper/107:09:221
14008452209173,10sleep00-21swapper/007:07:280
14009912177153,14sleep30-21swapper/307:09:163
1401268996258,3cyclictest1479123-21kworker/u8:3+flush-179:009:50:150
1401275996150,10cyclictest1701282-21kworker/u8:1+events_unbound12:10:141
1401268996158,2cyclictest1300200-21kworker/u8:2+flush-179:008:40:100
1401282995955,3cyclictest1546639-21kworker/u8:2+flush-179:009:45:123
1401282995853,4cyclictest1618923-21kworker/u8:0+flush-179:011:00:343
1401282995752,4cyclictest1577567-21kworker/u8:1+flush-179:010:10:003
1401268995740,15cyclictest1516365-21/usr/share/muni09:00:030
1401282995649,5cyclictest1443920-21/usr/share/muni07:50:103
1401275995652,3cyclictest1479123-21kworker/u8:3+flush-179:009:05:301
1401268995652,3cyclictest1649973-21kworker/u8:2+events_unbound11:15:170
1401278995536,18cyclictest1438702-26chrome07:45:022
1401275995552,2cyclictest1432954-21kworker/u8:0+flush-179:007:40:161
1401275995549,4cyclictest1600234-21apt-get10:20:141
1401268995551,3cyclictest1349322-21kworker/u8:1+flush-179:007:25:150
1401268995539,15cyclictest1685888-21kworker/u8:0+flush-179:011:45:180
1401278995450,3cyclictest1675624-21munin-update11:35:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional