You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-25 - 21:36
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack0slot3.osadl.org (updated Thu Apr 25, 2024 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30411392360340,13sleep90-21swapper/907:07:0115
30412072356350,4sleep60-21swapper/607:07:4712
30411902348328,14sleep100-21swapper/1007:07:352
30412242347309,31sleep30-21swapper/307:08:009
30413372345324,14sleep150-21swapper/1507:09:167
30412342345338,5sleep120-21swapper/1207:08:094
30413612344323,15sleep140-21swapper/1407:09:316
30412852343303,13sleep20-21swapper/207:08:478
30412582343301,13sleep00-21swapper/007:08:290
30412962342323,13sleep80-21swapper/807:08:5314
30411092342320,15sleep10-21swapper/107:06:371
30413592340319,14sleep130-21swapper/1307:09:305
30411852340319,14sleep50-21swapper/507:07:2911
30410762339318,14sleep40-21swapper/407:06:0810
30412662338317,14sleep70-21swapper/707:08:3613
30411412336315,14sleep110-21swapper/1107:07:033
30547652600,0sleep150-21swapper/1507:25:007
3041606995716,0cyclictest0-21swapper/707:51:5913
304161399423,14cyclictest0-21swapper/1408:13:526
304161099390,19cyclictest0-21swapper/1107:52:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional