You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-30 - 13:07
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 rack1slot3.osadl.org (updated Sun Nov 30, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196949499140,12cyclictest0-21swapper/323:55:133
196949499138,0cyclictest0-21swapper/320:05:013
196949499130,12cyclictest0-21swapper/321:50:133
196949499130,12cyclictest0-21swapper/300:00:163
196949499130,11cyclictest0-21swapper/322:20:133
1969494991211,1cyclictest69450irq/121-eno100:30:183
1969494991211,1cyclictest0-21swapper/322:15:163
1969494991211,1cyclictest0-21swapper/300:10:133
196949499120,1cyclictest0-21swapper/300:05:133
196949499120,11cyclictest69450irq/121-eno123:37:073
196949499120,11cyclictest69450irq/121-eno121:58:313
196949499120,11cyclictest0-21swapper/319:15:023
1969494991111,0cyclictest69450irq/121-eno122:05:213
1969494991111,0cyclictest0-21swapper/322:30:123
1969494991111,0cyclictest0-21swapper/319:15:013
1969494991111,0cyclictest0-21swapper/319:15:013
1969494991110,1cyclictest69450irq/121-eno119:50:133
1969494991110,0cyclictest0-21swapper/322:45:143
1969494991110,0cyclictest0-21swapper/322:25:123
1969494991110,0cyclictest0-21swapper/320:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional