You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 10:38
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 rack7slot8.osadl.org (updated Fri Nov 22, 2024 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5069215920,118sleep05119-21mailstats19:05:320
57669913651,42cyclictest5739-21apt-get21:17:120
57669913353,60cyclictest10082-21processes19:25:420
57669913270,43cyclictest1424-21nginx23:03:440
57669912957,53cyclictest29100-21/usr/sbin/munin22:50:210
57669912951,22cyclictest16072-21apt-get22:02:100
57669912853,38cyclictest14547-21/usr/sbin/munin00:00:530
57669912853,20cyclictest30657-21apt-get20:52:080
57669912760,50cyclictest12154-21runrttasks21:43:250
57669912668,40cyclictest1356-21snmpd21:10:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional