You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-18 - 10:19
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.

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 10 highest latencies:
System rackeslot4.osadl.org (updated Thu Sep 18, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335036899310,3cyclictest3629290-21cat23:20:003
335036899310,3cyclictest3629290-21cat23:20:003
335036099291,24cyclictest3610357-21sshd23:05:151
335036099272,22cyclictest3507546-21apt-get21:40:131
335036099272,22cyclictest3371334-21apt-get19:30:141
335036099271,21cyclictest0-21swapper/123:50:131
335036399261,20cyclictest3432760-21apt-get20:30:122
335036399260,21cyclictest3517746-21grep21:45:182
335036099262,21cyclictest3547141-21apt-get22:15:121
335036099261,22cyclictest3629477-21apt-get23:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional