You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 13:19
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 28, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11585211214,36sleep011627-21latency_hist21:23:080
17229910414,81cyclictest19677-21munin-node20:08:560
1648210417,18sleep01633-21ls19:13:080
12244210114,16sleep012245-21irqstats23:03:390
12147210114,74sleep012178-21munin-node19:43:470
23857210014,17sleep023859-21munin-node21:59:000
17229910020,71cyclictest7463-21munin-node22:48:440
912029914,16sleep09142-21switchtime19:33:580
2821529914,21sleep028219-21iostat20:33:360
1417929914,20sleep014191-21munin-node19:49:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional