You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-11 - 11:20
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 rackdslot3.osadl.org (updated Thu Dec 11, 2025 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198682215150,22sleep00-21swapper/019:09:000
197972205171,22sleep10-21swapper/119:08:061
137191204170,22phc2sys0-21swapper/319:08:183
197052198165,22sleep20-21swapper/219:06:532
1994428763,15sleep30-21swapper/319:10:013
2023799773,72cyclictest20480-21kworker/1:119:47:071
253432600,2sleep00-21swapper/022:40:210
2023699586,16cyclictest21217-21grep19:10:190
2023699574,10cyclictest0-21swapper/021:05:170
2023699554,15cyclictest0-21swapper/020:55:010
2023699553,16cyclictest0-21swapper/021:20:170
2023699533,17cyclictest0-21swapper/020:35:000
136991530,1ptp4l401ktimersoftd/319:40:213
2023699524,17cyclictest13663-21ls00:30:200
2023699506,7cyclictest31595-21apt-config22:55:010
2023699505,8cyclictest32233-21apt-get21:50:130
2023699501,17cyclictest0-21swapper/020:40:170
2023699496,9cyclictest8116-21sed23:10:270
2023699496,8cyclictest7086-21ls00:15:260
2023699496,10cyclictest9527-21cat22:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional