You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-21 - 02:07
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.

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 rackeslot4.osadl.org (updated Thu Nov 20, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32709999300,3cyclictest0-21swapper/312:12:383
32709999300,3cyclictest0-21swapper/311:29:523
32709999300,3cyclictest0-21swapper/310:18:213
327099992918,4cyclictest50-21ksoftirqd/311:10:453
32709999280,2cyclictest450105-21diskmemload11:03:263
32709999280,21cyclictest50-21ksoftirqd/311:58:323
327099992726,1cyclictest0-21swapper/310:48:513
327096992723,3cyclictest646136-21fwupd11:42:132
32709699271,21cyclictest352695-21apt-get07:35:112
32709999265,20cyclictest481rcuc/310:21:313
327099992625,0cyclictest0-21swapper/310:53:513
327099992624,1cyclictest0-21swapper/310:13:203
327099992624,1cyclictest0-21swapper/309:52:483
327099992624,1cyclictest0-21swapper/309:16:133
327099992623,2cyclictest491ktimers/310:40:153
327099992621,3cyclictest50-21ksoftirqd/308:45:123
32709999260,5cyclictest0-21swapper/309:11:123
32709699260,6cyclictest670221-21ld12:00:202
32709999257,1cyclictest0-21swapper/312:15:463
327099992523,1cyclictest481rcuc/307:40:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional