You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-29 - 05:43
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 rackbslot6.osadl.org (updated Sat Nov 29, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911030,4ptp4l401ktimersoftd/320:20:083
177391960,1ptp4l401ktimersoftd/322:36:383
242752690,4sleep2848899cyclictest01:08:322
8488996654,7cyclictest33-21ksoftirqd/223:11:232
8488996352,5cyclictest33-21ksoftirqd/200:56:262
8488996149,5cyclictest33-21ksoftirqd/221:16:202
8488996047,6cyclictest33-21ksoftirqd/220:26:192
8488995848,5cyclictest33-21ksoftirqd/222:36:212
82982584,10sleep20-21swapper/220:20:112
177391580,1ptp4l401ktimersoftd/321:28:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional