You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-12-12 - 06:13
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 rackeslot5.osadl.org (updated Thu Dec 12, 2024 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1177299321,30cyclictest609-21dbus-daemon21:30:013
11771993028,2cyclictest811-21runrttasks21:55:122
11772992928,1cyclictest22161-21apt-get00:05:113
1177299290,28cyclictest7858-21apt-get20:10:123
1177299290,1cyclictest609-21dbus-daemon22:25:013
1177299290,1cyclictest609-21dbus-daemon22:25:003
1177199290,28cyclictest15391-21apt-get21:35:122
1177199290,28cyclictest0-21swapper/223:15:012
1176699290,28cyclictest0-21swapper/119:30:141
1176199290,1cyclictest0-21swapper/022:10:000
11772992826,1cyclictest1646-21cron22:15:013
1177299280,0cyclictest0-21swapper/320:35:133
1177299280,0cyclictest0-21swapper/319:55:133
11771992828,0cyclictest2794-21apt-get23:25:102
11771992828,0cyclictest0-21swapper/221:30:122
11771992827,1cyclictest31771-21apt-get00:25:112
1177199280,1cyclictest0-21swapper/220:40:012
11766992828,0cyclictest0-21swapper/120:50:131
11766992827,1cyclictest523-21apt-get19:55:121
1176699280,28cyclictest0-21swapper/119:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional